Journal: Heart

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<div><h4>Eosinophilic myocarditis: systematic review.</h4><i>Techasatian W, Gozun M, Vo K, Yokoyama J, ... Zhang J, Nishimura Y</i><br /><b>Objective</b><br />In clinical practice, patients with eosinophilic myocarditis (EM) may forgo the gold standard diagnostic procedure, endomyocardial biopsy (EMB), although it is highly recommended in guidelines. This systematic review aims to summarise current approaches in diagnosing and treating EM with a particular emphasis on the utilisation and value of alternative diagnostic methods.<br /><b>Methods</b><br />Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement, we searched MEDLINE and EMBASE for all peer-reviewed articles using the keywords \"eosinophilic myocarditis\" from their inception to 10 September 2022.<br /><b>Results</b><br />We included 239 articles, including 8 observational studies and 274 cases, in this review. The median patient age was 45 years. Initial presentations were non-specific, including dyspnoea (50.0%) and chest pain (39.4%). The aetiologies of EM were variable with the most common being idiopathic (28.8%) and eosinophilic granulomatosis polyangiitis (19.3%); others included drug-induced (13.1%) and hypereosinophilic syndrome (12.8%). 82.4% received an EM diagnosis by EMB while 17.6% were diagnosed based on clinical reasoning and cardiac MRI (CMR). CMR-diagnosed patients exhibited a better risk profile at diagnosis, particularly higher left ventricular ejection fraction and less need for inotropic or mechanical circulatory supports. Glucocorticoids were the primary treatment with variability in dosages and regimens.<br /><b>Conclusion</b><br />EMB is the mainstay for diagnostic testing for EM. CMR is potentially helpful for screening in appropriate clinical scenarios. Regarding treatment, there is no consensus regarding the optimal dosage of corticosteroids. Large clinical trials are warranted to further explore the utility of CMR in the diagnosis of EM and steroid regimen in treating EM.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 13 Nov 2023; epub ahead of print</small></div>
Techasatian W, Gozun M, Vo K, Yokoyama J, ... Zhang J, Nishimura Y
Heart: 13 Nov 2023; epub ahead of print | PMID: 37963727
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<div><h4>Accuracy of visual estimation of ejection fraction in patients with heart failure using augmented reality glasses.</h4><i>Choi S, Nah S, Cho YS, Moon I, ... Moon JE, Han S</i><br /><b>Objective</b><br />Left ventricular ejection fraction (LVEF) is measured to assess haemodynamic status and cardiac function. It may be difficult to accurately measure in patients with heart failure (HF) as they are often poorly echogenic. The augmented reality (AR) technology is expected to provide real-time guidance that will enable more accurate measurements.<br /><b>Methods</b><br />A prospective, randomised, case-crossover simulation study was conducted to confirm the effect of AR glasses on echocardiographic interpretation in patients with HF. 22 emergency physicians participated. The participants were randomly assigned to two groups. Group A estimated the visual ejection fraction of echocardiographic video clips without the AR glasses, while group B estimated them with glasses. After a washout period, the two groups crossed over. The estimates were then compared with the ejection fraction measurements obtained by echocardiologists; intraclass correlation coefficient (ICC) was calculated.<br /><b>Results</b><br />The ICC with glasses (0.969, 95% CI 0.966 to 0.971) was higher than without glasses (0.705, 95% CI 0.681 to 0.727) among all participants. In the subgroup analysis, the first-year and second-year residents showed the most significant difference, with an ICC of 0.568 (95% CI 0.508 to 0.621) without glasses compared with 0.963 (95% CI 0.958 to 0.968) with glasses. For the third-year and fourth-year residents group, the ICC was 0.754 (95% CI 0.720 to 0.784) without glasses and 0.972 (95% CI 0.958 to 0.968) with glasses. Among the group of attending physicians, the ICC was 0.807 (95% CI 0.775 to 0.834) without glasses and 0.973 (95% CI 0.969 to 0.977) with glasses.<br /><b>Conclusions</b><br />AR glasses could be helpful in measuring LVEF and could be more helpful to those with little visual estimation experience.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 07 Nov 2023; epub ahead of print</small></div>
Choi S, Nah S, Cho YS, Moon I, ... Moon JE, Han S
Heart: 07 Nov 2023; epub ahead of print | PMID: 37940379
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<div><h4>Novel uses for implanted haemodynamic monitoring in adults with subaortic right ventricles.</h4><i>Marshall V WH, Mah ML, DeSalvo J, Rajpal S, ... Gajarski R, Daniels CJ</i><br /><b>Background</b><br />Pulmonary hypertension (PH) is a common complication in patients with complete dextro-transposition of the great arteries (TGA) after atrial switch (D-TGA/AS) and congenitally corrected TGA (ccTGA). In this population with subaortic right ventricles (sRVs), echocardiography is a poor screening tool for PH; implantable invasive haemodynamic monitoring (IHM) could be used for this purpose, but data are limited. The aim of this study is to report on novel uses of IHM in patients with sRV.<br /><b>Methods</b><br />This retrospective study describes the uses of IHM, impact of IHM on heart failure hospitalisation (HFH) and device-related complications in adults with sRV from a single centre (2015-2022).<br /><b>Results</b><br />IHM was placed in 18 patients with sRV (median age 43 (range 30-54) years, 8 female, 16 with D-TGA/AS, 2 with ccTGA); 16 had moderate or severe sRV systolic dysfunction, 13 had PH on catheterisation. IHM was used for (1) Medical therapy titration, (2) Medical management after ventricular assist device in patients with transplant-limiting PH and (3) Serial monitoring of pulmonary artery pressures without repeat catheterisations to help identify the optimal time for heart transplant referral. In follow-up (median 23 months), HFHs/year were similar to the year prior to IHM (median 0 (IQR 0-1.0) before vs 0 (0-0.8) after, p=0.984). Device migration occurred in one, without long-term sequelae.<br /><b>Conclusions</b><br />Uses of IHM in patients with sRV are described which may minimise the need for serial catheterisations in a population where PH is prevalent. HFHs were low overall but not impacted by IHM. One device-related complication occurred without long-term consequence.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 06 Nov 2023; epub ahead of print</small></div>
Marshall V WH, Mah ML, DeSalvo J, Rajpal S, ... Gajarski R, Daniels CJ
Heart: 06 Nov 2023; epub ahead of print | PMID: 37935570
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<div><h4>Morphology of the mural and commissural atrioventricular junction of the mitral valve.</h4><i>Krawczyk-Ożóg A, Batko J, Zdzierak B, Dziewierz A, ... Hołda J, Hołda MK</i><br /><b>Objective</b><br />This study investigates mitral annular disjunctions (MAD) in the atrial wall-mitral annulus-ventricular wall junction along the mural mitral leaflet and commissures.<br /><b>Methods</b><br />We examined 224 adult human hearts (21.9% females, 47.9±17.6 years) devoid of cardiovascular diseases (especially mitral valve disease). These hearts were obtained during forensic medical autopsies conducted between January 2018 and June 2021. MAD was defined as a spatial displacement (≥2 mm) of the leaflet hinge line towards the left atrium. We provided a detailed morphometric analysis (disjunction height) and histological examination of MADs.<br /><b>Results</b><br />MADs were observed in 19.6% of all studied hearts. They appeared in 12.1% of mural leaflets. The P1 scallop was the primary site for disjunctions (8.9%), followed by the P2 scallop (5.4%) and P3 scallop (4.5%). MADs were found in 9.8% of all superolateral and 5.8% of all inferoseptal commissures. The average height for leaflet MADs was 3.0±0.6 mm, whereas that for commissural MADs was 2.1±0.5 mm (p<0.0001). The microscopical arrangement of MADs in both the mural leaflet and commissures revealed a disjunction shifted towards left atrial aspect, filled with connective tissue and covered by elongated valve annulus. The size of the MAD remained remarkably uniform and showed no correlation with other anthropometric factors (all p>0.05).<br /><b>Conclusions</b><br />In the cohort of the patients with healthy hearts, MAD is present in about 20% of all studied hearts. The MADs identified tend to be localised, confined to a single scallop. Moreover, MADs in the commissures are notably smaller than those in the mural leaflet.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 06 Nov 2023; epub ahead of print</small></div>
Krawczyk-Ożóg A, Batko J, Zdzierak B, Dziewierz A, ... Hołda J, Hołda MK
Heart: 06 Nov 2023; epub ahead of print | PMID: 37935571
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<div><h4>New National Institute for Health and Care Excellence guidance for hypertension: a review and comparison with the US and European guidelines.</h4><i>Goldie FC, Brady AJB</i><br /><AbstractText>The UK National Institute for Health and Care Excellence (NICE) guidance for hypertension management has recently been updated. This review article summaries the main recommendations in NICE guidelines, and compares them with the American and European guidelines. NICE and the European Society of Cardiology (ESC) recommend diagnosing hypertension at a higher level than the American College of Cardiology/American Heart Association (ACC/AHA). NICE treats to less stringent targets than both the ACC/AHA and the ESC, while using similar, although non-combination pill based, treatment regimens.</AbstractText><br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 06 Nov 2023; epub ahead of print</small></div>
Abstract
<div><h4>Aortic valve perivascular adipose tissue computed tomography attenuation in patients with aortic stenosis.</h4><i>Botezatu SB, Yu X, Meah MN, Williams MC, ... Tzolos E, Dweck MR</i><br /><b>Objective</b><br />Aortic stenosis (AS) shares pathophysiological similarities with atherosclerosis including active inflammation. CT attenuation of perivascular adipose tissue provides a measure of vascular inflammation that is linked to prognosis and has the potential to be applied to the aortic valve. We investigated perivascular adipose tissue attenuation around the aortic valve in patients with AS.<br /><b>Methods</b><br />CT attenuation was measured in the perivascular adipose tissue extending 3 mm radially and 10 mm longitudinally around the aortic valve in patients with and without AS. Associations between perivascular adipose tissue attenuation and AS disease severity, activity and progression were investigated.<br /><b>Results</b><br />Perivascular adipose tissue attenuation around the aortic valve demonstrated good intraobserver and interobserver repeatability (interobserver: intraclass correlation coefficient 0.977 (95% CI: 0.94, 0.99)) but was similar between patients with AS (n=120) and control subjects (n=80) (-62.4 (-68.7, -56.5) Hounsfield units (HU) vs -61.2 (-65.3, -55.6) HU, p=0.099). There were no differences between perivascular adipose tissue attenuation in patients with mild (-60.2 (-66.9, -55.1) HU), moderate (-62.8 (-69.6, -56.80) HU) or severe (-62.3 (-69.3, -55.4) HU) AS (all p>0.05), and perivascular adipose tissue attenuation did not demonstrate an association with AS severity as assessed by echocardiography or CT calcium scoring, nor with disease activity assessed by <sup>18</sup>F-sodium fluoride positron emission tomography. Moreover, there was no association between baseline aortic valve perivascular adipose tissue attenuation and subsequent AS progression (annualised change in peak velocity: r=0.072, p=0.458). Similar results were found using five other image analysis methods.<br /><b>Conclusions</b><br />CT-derived aortic valve perivascular adipose tissue attenuation is not associated with AS disease severity, activity or progression suggesting that it has no value in the investigation and management of patients with AS.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 02 Nov 2023; epub ahead of print</small></div>
Botezatu SB, Yu X, Meah MN, Williams MC, ... Tzolos E, Dweck MR
Heart: 02 Nov 2023; epub ahead of print | PMID: 37918901
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<div><h4>Pulmonary vasodilators and exercise in Fontan circulation: a systematic review and meta-analysis.</h4><i>Kosmidis D, Arvanitaki A, Farmakis IT, Liakos A, ... Ziakas A, Giannakoulas G</i><br /><b>Objective</b><br />In Fontan circulation, pulmonary arterial hypertension (PAH)-targeted therapies could improve the patients\' exercise capacity. This study aimed to investigate the effects of PAH agents on different exercise parameters in stable Fontan patients by synthesising evidence of randomised controlled trials (RCTs).<br /><b>Methods</b><br />A systematic search of PubMed, Cochrane Central Register of Controlled Trials and Web of Science databases, as well as of ClinicalTrials.gov, was performed. Primary outcomes were specific cardiopulmonary exercise test parameters: peak oxygen uptake (peak VO<sub>2</sub>), peak heart rate (peak HR), the minute ventilation/produced carbon dioxide (VE/VCO<sub>2</sub>) slope and the oxygen uptake, both measured at the anaerobic threshold (VO<sub>2</sub>@AT).<br /><b>Results</b><br />Five RCTs were included in the analysis including 573 Fontan patients (mean age 21.2 years, 60% male). PAH-targeted therapies did not affect peak VO<sub>2</sub> (mean difference (MD) 0.72, 95% CI -0.25 to 1.70) or peak HR (MD -0.67, 95% CI -3.81 to 2.47), but resulted in a small, significant improvement in VO<sub>2</sub>@AT (standardised MD 0.24, 95% CI 0.02 to 0.47). VE/VCO<sub>2</sub> slope at the anaerobic threshold was also reduced (MD -1.13, 95% CI -2.25 to -0.01).<br /><b>Conclusions</b><br />Although PAH-targeted therapies did not affect exercise parameters at maximal effort, they induced slight improvements in indices of submaximal effort, measured at the anaerobic threshold. Pharmacological improvement of submaximal exercise seems to be a more suitable indicator of Fontan individuals\' exercise capacity. Larger RCTs, recruiting specific subpopulations and focusing also on the anaerobic threshold, are warranted to draw more robust conclusions.<br /><b>Prospero registration number</b><br />CRD42022306674.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 02 Nov 2023; epub ahead of print</small></div>
Kosmidis D, Arvanitaki A, Farmakis IT, Liakos A, ... Ziakas A, Giannakoulas G
Heart: 02 Nov 2023; epub ahead of print | PMID: 37918902
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<div><h4>Computed tomography calcium scoring in aortic stenosis: bicuspid versus tricuspid morphology.</h4><i>Ye Z, Clavel MA, Foley TA, Pibarot P, Enriquez-Sarano M, Michelena HI</i><br /><b>Objective</b><br />CT aortic valve calcium score (AVC<sub>score</sub>) and density (AVC<sub>density</sub>) thresholds have been recommended for aortic stenosis (AS) severity assessment in tricuspid aortic valve (TAV). We aimed to compare AVC<sub>score</sub> and AVC<sub>density</sub> in bicuspid aortic valve (BAV) versus TAV.<br /><b>Methods</b><br />Retrospective single-centre study of patients with echocardiographic AS-severity and CT-AVC assessments within 6 months, and left ventricular ejection fraction ≥50%, all referred for clinical AS evaluation.Severe AS was defined as aortic valve area (AVA) ≤1 cm<sup>2</sup> or indexed AVA ≤0.6cm<sup>2</sup>/m<sup>2</sup> plus mean gradient ≥40 mm Hg or peak velocity ≥4 m/s. AVC was assessed by Agatston method.<br /><b>Results</b><br />Of the 1957 patients, 328 had BAV and 1629 had TAV, age 65±11 vs 80±9 years (p<0.001), men 65% vs 56% (p=0.006), respectively. BAV morphology was associated with higher AVC<sub>score</sub> and AVC<sub>density</sub> independent of age, comorbidities and AS severity (p<0.001) in men only (sex and BAV interaction p<0.001). In patients with severe AS, mean AVC<sub>score</sub> and AVC<sub>density</sub> were higher in BAV-men than that in TAV-men (both p<0.001), but similar in BAV-women and TAV-women (both p≥0.4). Such patterns remained the same after adjustment for clinical covariates and AS severity. Best thresholds for severe AS diagnosis in BAV-men were 2916 AU by AVC<sub>score</sub> and 600 AU/cm<sup>2</sup> by AVC<sub>density</sub> which were higher than the guideline-recommended thresholds, while thresholds in BAV-women (1036 AU and 282 AU/cm<sup>2</sup>) were similar to guideline-recommended ones.<br /><b>Conclusion</b><br />Valve calcification in AS differs according to valve morphology and sex. BAV-men with severe AS exhibit greater AVC<sub>score</sub> and AVC<sub>density</sub> than TAV-men. This presents a diagnostic challenge to the current guidelines, which needs confirmation in larger studies.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 30 Oct 2023; epub ahead of print</small></div>
Ye Z, Clavel MA, Foley TA, Pibarot P, Enriquez-Sarano M, Michelena HI
Heart: 30 Oct 2023; epub ahead of print | PMID: 37903555
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<div><h4>Triple vasodilator therapy in pulmonary arterial hypertension associated with congenital heart disease.</h4><i>Luna-Lopez R, Segura de la Cal T, Sarnago Cebada F, Martin de Miguel I, ... Arribas Ynsaurriaga F, Escribano-Subías P</i><br /><b>Objective</b><br />This study assessed the long-term effects of triple therapy with prostanoids on patients with pulmonary arterial hypertension associated with congenital heart disease (PAH-CHD), as there is limited information on the safety and efficacy of this treatment approach.<br /><b>Methods</b><br />A retrospective cohort study was conducted on patients with PAH-CHD who were actively followed up at our centre. All patients were already receiving dual combination therapy at maximum doses. Clinical characteristics, including functional class (FC), 6-minute walking test distance (6MWTD) and N-terminal pro-brain natriuretic peptide (NT-proBNP) levels, were documented before initiating triple therapy and annually for a 2-year follow-up period.<br /><b>Results</b><br />A total of 60 patients were included in the study, with a median age of 41 years and 68% being women. Of these, 32 had Eisenmenger syndrome, 9 had coincidental shunts, 18 had postoperative PAH and 1 had a significant left-to-right shunt. After 1 year of triple combination initiation, a significant improvement in 6MWTD was observed (406 vs 450; p=0.0027), which was maintained at the 2-year follow-up. FC improved in 79% of patients at 1 year and remained stable in 76% at 2 years. NT-proBNP levels decreased significantly by 2 years, with an average reduction of 199 ng/L. Side effects were experienced by 33.3% of patients but were mostly mild and manageable. Subgroup analysis showed greater benefits in patients without Eisenmenger syndrome and those with pre-tricuspid defects.<br /><b>Conclusions</b><br />Triple therapy with prostanoids is safe and effective for patients with PAH-CHD, improving FC, 6MWTD and NT-proBNP levels over 2 years. The treatment is particularly beneficial for patients with pre-tricuspid defects and non-Eisenmenger PAH-CHD.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 30 Oct 2023; epub ahead of print</small></div>
Luna-Lopez R, Segura de la Cal T, Sarnago Cebada F, Martin de Miguel I, ... Arribas Ynsaurriaga F, Escribano-Subías P
Heart: 30 Oct 2023; epub ahead of print | PMID: 37903556
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<div><h4>Association of right atrial strain and long-term outcome in severe secondary tricuspid regurgitation.</h4><i>Galloo X, Fortuni F, Meucci MC, Butcher SC, ... Bax JJ, Ajmone Marsan N</i><br /><b>Objective</b><br />Severe secondary tricuspid regurgitation (STR) causes significant right atrial (RA) volume overload, resulting in structural and functional RA-remodelling. This study evaluated whether patients with severe STR and reduced RA function, as assessed by RA-reservoir-strain (RASr), show lower long-term prognosis.<br /><b>Methods</b><br />Consecutive patients, from a single centre, with first diagnosis of severe STR and RASr measure available, were included. Extensive echocardiographic analysis comprised measures of cardiac chamber size and function, assessed also by two-dimensional speckle-tracking strain analysis. Primary outcome was all-cause mortality, analysed from inclusion until death or last follow-up. The association of RASr with the outcome was evaluated by Cox regression analysis and Akaike information criterion.<br /><b>Results</b><br />A total of 586 patients with severe STR (age 68±13 years; 52% male) were included. Patients presented with mild right ventricular (RV) dilatation (end-diastolic area 13.8±6.5 cm<sup>2</sup>/m<sup>2</sup>) and dysfunction (free-wall strain 16.2±7.2%), and with moderate-to-severe RA dilatation (max area 15.0±5.3 cm<sup>2</sup>/m<sup>2</sup>); the median value of RASr was 13%. In the overall population, 10-year overall survival was low (40%, 349 deaths), and was significantly lower in patients with lower RASr (defined by the median value): 36% (195 deaths) for RASr ≤13% compared with 45% (154 deaths) for RASr >13% (log-rank p=0.016). With a median follow-up of 6.6 years, RASr was independently associated with all-cause mortality (HR per 5% RASr increase:0.928; 95% CI 0.864 to 0.996; p=0.038), providing additional value over relevant clinical and echocardiographic covariates (including RA size and RV function/size).<br /><b>Conclusions</b><br />Patients with severe STR presented with significant RA remodelling, and lower RA function, as measured by RASr, was independently associated with all-cause mortality, potentially improving risk stratification in these patients.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 30 Oct 2023; epub ahead of print</small></div>
Galloo X, Fortuni F, Meucci MC, Butcher SC, ... Bax JJ, Ajmone Marsan N
Heart: 30 Oct 2023; epub ahead of print | PMID: 37903557
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<div><h4>Coronary physiology thresholds associated with microvascular obstruction in myocardial infarction.</h4><i>Benenati S, Montorfano M, Pica S, Crimi G, ... Ambrosio G, Camici PG</i><br /><b>Objectives</b><br />To ascertain whether invasive assessment of coronary physiology soon after recanalisation of the culprit artery by primary percutaneous coronary intervention is associated with the development of microvascular obstruction by cardiac magnetic resonance in patients with ST-segment elevation myocardial infarction (STEMI).<br /><b>Methods</b><br />Between November 2020 and December 2021, 102 consecutive patients were prospectively enrolled in five tertiary centres in Italy. Coronary flow reserve (CFR) and index of microvascular resistance (IMR) were measured in the culprit vessel soon after successful primary percutaneous coronary intervention. Optimal cut-off points of IMR and CFR to predict the presence of microvascular obstruction were estimated, stratifying the population accordingly in four groups. A comparison with previously proposed stratification models was carried out.<br /><b>Results</b><br />IMR<b>></b>31 units and CFR≤1.25 yielded the best accuracy. Patients with IMR>31 and CFR≤1.25 exhibited higher microvascular obstruction prevalence (83% vs 38%, p<0.001) and lower left ventricular ejection fraction (45±9% vs 52±9%, p=0.043) compared with those with IMR≤31 and CFR>1.25, and lower left ventricular ejection fraction compared with patients with CFR≤1.25 and IMR≤31 (45±9% vs 54±7%, p=0.025). Infarct size and area at risk were larger in the former, compared with other groups.<br /><b>Conclusions</b><br />IMR and CFR are associated with the presence of microvascular obstruction in STEMI. Patients with an IMR>31 units and a CFR≤1.25 have higher prevalence of microvascular obstruction, lower left ventricular ejection fraction, larger infarct size and area at risk.<br /><b>Trial registration number</b><br />NCT04677257.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 25 Oct 2023; epub ahead of print</small></div>
Benenati S, Montorfano M, Pica S, Crimi G, ... Ambrosio G, Camici PG
Heart: 25 Oct 2023; epub ahead of print | PMID: 37879880
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<div><h4>Reduction of moderate to severe tricuspid regurgitation after catheter ablation for atrial fibrillation.</h4><i>Cha MJ, Lee SA, Cho MS, Nam GB, Choi KJ, Kim J</i><br /><b>Objective</b><br />Tricuspid regurgitation (TR) is a progressive disease with high mortality and limited medical treatment options, and its association with atrial fibrillation (AF) has been documented. This study aimed to investigate whether successful rhythm control through catheter ablation for AF could reduce TR severity.<br /><b>Methods</b><br />A total of 106 patients with drug-refractory AF with moderate to severe secondary TR who underwent AF ablation were screened from a single-centre ablation registry. Echocardiographic parameter changes (pre-procedure vs 1 day/1 year post-procedure) were analysed. Holter monitoring was performed at 3/6/12 months to assess AF recurrence. The primary outcome was at least one grade TR reduction with its main determinants evaluated.<br /><b>Results</b><br />After excluding 36 patients (prior tricuspid valve surgery, intracardiac devices or insufficient data), 70 patients (aged 63.8±9.7 years, 50% female) were analysed. Of these, 17 (24.3%) had severe TR, 55 (78.6%) persistent AF and all restored sinus rhythm with catheter ablation. The primary outcome was achieved in 53 (75.7%) at 1-year assessment (73.6% of moderate and 82.4% of severe TR). There were significant decreases of vena contracta (6.1→3.2 mm) and tricuspid annular diameter (37.3→32.6 mm) at 1 year. Although 25 patients experienced AF recurrence within 1 year, 56 (80%) patients finally maintained sinus rhythm with medical treatment (87% in patients with TR reduction and 59% without). From the multivariate analysis, sinus rhythm maintenance was the most significant determinant of TR reduction (OR 8.3, 95% CI 1.8 to 37.4).<br /><b>Conclusion</b><br />In patients with AF with moderate to severe TR, more than two-thirds of patients experienced reduced TR severity, with notable improvements in echocardiographic parameters. Sinus rhythm maintenance was associated with significant TR reduction.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 25 Oct 2023; epub ahead of print</small></div>
Cha MJ, Lee SA, Cho MS, Nam GB, Choi KJ, Kim J
Heart: 25 Oct 2023; epub ahead of print | PMID: 37879881
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<div><h4>Lifetime cumulative effect of reproductive factors on ischaemic heart disease in a prospective cohort.</h4><i>Hou L, Liu W, Sun W, Cao J, ... Li X, Song P</i><br /><b>Objective</b><br />This study aimed to examine the association between lifetime oestrogen exposure and ischaemic heart disease (IHD), based on the hypothesis that higher lifetime oestrogen exposure is linked to lower cardiovascular risk.<br /><b>Methods</b><br />In 2004-2008, lifetime cumulative exposure to reproductive factors was assessed among postmenopausal females from the China Kadoorie Biobank using reproductive lifespan (RLS), endogenous oestrogen exposure (EEE) and total oestrogen exposure (TEE). EEE was calculated by subtracting pregnancy-related and contraceptive use duration from RLS, while TEE by adding up the same components except for lactation. Incident IHD during follow-up (2004-2015) was identified. Stratified Cox proportional hazards models estimated the HRs and 95% CIs of IHD for RLS, EEE and TEE.<br /><b>Results</b><br />Among 118 855 postmenopausal females, 13 162 (11.1%) developed IHD during a median follow-up of 8.9 years. The IHD incidence rates were 13.0, 12.1, 12.5, 13.8 per 1000 person-years for RLS Q1-Q4, 15.8, 12.6, 11.3, 12.1 per 1000 person-years for EEE Q1-Q4 and 13.7, 12.3, 12.2, 13.4 per 1000 person-years for TEE Q1-Q4. The highest quartile (Q4) of RLS and TEE were associated with lower risks of IHD (adjusted HR (aHR) 0.95, 95% CI 0.91 to 1.00 and 0.92, 95% CI 0.88 to 0.97, respectively) compared with the lowest quartile (Q1). Longer EEE showed progressively lower risks of incident IHD (aHR 0.93, 95% CI 0.88 to 0.97; 0.88, 95% CI 0.84 to 0.93; 0.87, 95% CI 0.83 to 0.92 for Q2-Q4 vs Q1).<br /><b>Conclusions</b><br />Longer RLS, TEE and EEE were associated with lower risks of IHD among Chinese postmenopausal females.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 18 Oct 2023; epub ahead of print</small></div>
Hou L, Liu W, Sun W, Cao J, ... Li X, Song P
Heart: 18 Oct 2023; epub ahead of print | PMID: 37852733
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<div><h4>Peak oxygen consumption by smartwatches compared with cardiopulmonary exercise test in complex congenital heart disease.</h4><i>Tran T, Steiner JM, Venkateswaran A, Buber J</i><br /><b>Objective</b><br />To evaluate for correlation between exercise capacity as assessed by peak oxygen consumption (pVO<sub>2</sub>) measurement during a cardiopulmonary exercise test (CPET) and smartwatches reporting this parameter in patients with adult congenital heart disease (ACHD) complex lesions.<br /><b>Methods</b><br />A prospective study that included patients with ACHD either a Fontan circulation or a right ventricle supporting the systemic circulation who underwent two separate CPETs at least 1 year apart. Generalised estimating equations linear regression was performed to identify factors associated with correlation between smartwatch and CPET-derived pVO<sub>2</sub>.<br /><b>Results</b><br />48 patients (71% with a Fontan circulation, 42% females, mean age 33±9 years) underwent two CPETs between May 2018 and May 2022 with echocardiograms performed within 6 months of each CPET. Apple Watch was the predominant smartwatch used (79%). Smartwatch and CPET measured peak heart rate (Pearson correlation=0.932, 95% CI (0.899, 0.954)) and pVO<sub>2</sub> (0.8627, 95% CI (0.8007, 0.9064) and 0.8634, 95% CI (0.7676, 0.9215) in the first and second CPET, respectively) correlated well, with smartwatch-measured pVO<sub>2</sub> values measuring higher by a mean of 3.146 mL/kg/min (95% CI (2.559, 3.732)). Changes in pVO<sub>2</sub> between the first and the second CPET also correlated well (Pearson correlation=0.9165, 95% CI (0.8549, 0.9525)), indicating that for every 1 mL/(min kg) change in CPET-measured pVO<sub>2</sub>, there was a corresponding 0.896 mL/(min kg) change in the smartwatch-measured pVO<sub>2</sub>.<br /><b>Conclusion</b><br />Both absolute values and changes over time in pVO<sub>2</sub> as measured by smartwatches and CPETs correlate well in patients with complex ACHD.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
Tran T, Steiner JM, Venkateswaran A, Buber J
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827554
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Abstract
<div><h4>Rationale and design of the United Kingdom Heart Failure with Preserved Ejection Fraction Registry.</h4><i>UK HFpEF Collaborative Group</i><br /><b>Objective</b><br />Heart failure with preserved ejection fraction (HFpEF) is a common heterogeneous syndrome that remains imprecisely defined and consequently has limited treatment options and poor outcomes.<br /><b>Methods</b><br />The UK Heart Failure with Preserved Ejection Fraction Registry (UK HFpEF) is a prospective data-enabled cohort and platform study. The study will develop a large, highly characterised cohort of patients with HFpEF. A biobank will be established. Deep clinical phenotyping, imaging, multiomics and centrally held national electronic health record data will be integrated at scale, in order to reclassify HFpEF into distinct subgroups, improve understanding of disease mechanisms and identify new biological pathways and molecular targets. Together, these will form the basis for developing diagnostics and targeted therapeutics specific to subgroups. It will be a platform for more effective and efficient trials, focusing on subgroups in whom targeted interventions are expected to be effective, with consent in place to facilitate rapid recruitment, and linkage for follow-up. Patients with a diagnosis of HFpEF made by a heart failure specialist, who have had natriuretic peptide levels measured and a left ventricular ejection fraction >40% are eligible. Patients with an ejection fraction between 40% and 49% will be limited to no more than 25% of the cohort.<br /><b>Conclusions</b><br />UK HFpEF will develop a rich, multimodal data resource to enable the identification of disease endotypes and develop more effective diagnostic strategies, precise risk stratification and targeted therapeutics.<br /><b>Trial registration number</b><br />NCT05441839.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
UK HFpEF Collaborative Group
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827557
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Abstract
<div><h4>Echocardiographic estimation of pulmonary pressure in patients with severe tricuspid regurgitation.</h4><i>Lemarchand L, Auffret V, Le Breton H, Bedossa M, ... Donal E, Leurent G</i><br /><b>Objectives</b><br />The estimation of systolic pulmonary artery pressure (sPAP) by transthoracic echocardiography (TTE) is challenging in patients with severe tricuspid regurgitation (TR). The study aimed to determine the reliability of the assessment of sPAP by TTE in this population.<br /><b>Methods</b><br />This study was a single-centre analysis of consecutive patients at the University Hospital of Rennes with right heart catheterisation and TTE, performed with a maximum delay of 48 hours. Lin\'s concordance coefficient (LCC) and Bland-Altman analysis were used to compare the values.<br /><b>Results</b><br />After applying the exclusion criteria, 236 patients were included in the analysis (age 71±11.5 years old; male 56%). The two principal indications were TR (34.3%) and mitral regurgitation (32.2%). The correlation between the two procedures was good in the total population (LCC=0.80; 95% limits of agreement (LOA): 0.74, 0.84), but weaker in the 78 patients (33%) with severe TR (LCC=0.67; 95% LOA: 0.49, 0.80), with a propensity to an underestimation by TTE. An elevated right atrial pressure (RAP) was associated with an underestimation by TTE of about 8 mmHg. The presence of a \'V-wave cut-off\' sign on continuous-wave Doppler (OR=3.74; 95% CI 1.48, 9.30; p<0.01), found exclusively in patients with severe TR, was an independent predictor of sPAP misestimation by TTE.<br /><b>Conclusion</b><br />The reliability of the estimation of sPAP in patients with severe TR could be altered by high RAP which cannot be estimated with current thresholds.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
Lemarchand L, Auffret V, Le Breton H, Bedossa M, ... Donal E, Leurent G
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827558
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<div><h4>Pathophysiological insights into machine learning-based subphenotypes of acute heart failure with preserved ejection fraction.</h4><i>Sotomi Y, Tamaki S, Hikoso S, Nakatani D, ... Sakata Y, OCVC-Heart Failure Investigators</i><br /><b>Objective</b><br />The heterogeneous pathophysiology of the diverse heart failure with preserved ejection fraction (HFpEF) phenotypes needs to be examined. We aim to assess differences in the biomarkers among the phenotypes of HFpEF and investigate its multifactorial pathophysiology.<br /><b>Methods</b><br />This study is a retrospective analysis of the PURSUIT-HFpEF Study (N=1231), an ongoing, prospective, multicentre observational study of acute decompensated HFpEF. In this registry, there is a predefined subcohort in which we perform multibiomarker tests (N=212). We applied the previously established machine learning-based clustering model to the subcohort with biomarker measurements to classify them into four phenotypes: phenotype 1 (n=69), phenotype 2 (n=49), phenotype 3 (n=41) and phenotype 4 (n=53). Biomarker characteristics in each phenotype were evaluated.<br /><b>Results</b><br />Phenotype 1 presented the lowest value of N-terminal pro-brain natriuretic peptide (NT-proBNP), high-sensitive C reactive protein, tumour necrosis factor-α, growth differentiation factor (GDF)-15, troponin T and cystatin C, whereas phenotype 2, which is characterised by hypertension and cardiac hypertrophy, showed the highest value of these markers. Phenotype 3 showed the second highest value of GDF-15 and cystatin C. Phenotype 4 presented a low NT-proBNP value and a relatively high GDF-15.<br /><b>Conclusions</b><br />Distinctive characteristics of biomarkers in HFpEF phenotypes would indicate differential underlying mechanisms to be elucidated. The contribution of inflammation to the pathogenesis varied considerably among different HFpEF phenotypes. Systemic inflammation substantially contributes to the pathophysiology of the classic HFpEF phenotype with cardiac hypertrophy.<br /><b>Trial registration number</b><br />UMIN-CTR ID: UMIN000021831.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
Sotomi Y, Tamaki S, Hikoso S, Nakatani D, ... Sakata Y, OCVC-Heart Failure Investigators
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827559
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Abstract
<div><h4>Shortness of breath as a diagnostic factor for acute coronary syndrome in male and female callers to out-of-hours primary care.</h4><i>Spek M, Venekamp RP, Erkelens DCA, van Smeden M, ... Rutten FH, Zwart DL</i><br /><b>Objective</b><br />Chest discomfort and shortness of breath (SOB) are key symptoms in patients with acute coronary syndrome (ACS). It is, however, unknown whether SOB is valuable for recognising ACS during telephone triage in the out-of-hours primary care (OHS-PC) setting.<br /><b>Methods</b><br />A cross-sectional study performed in the Netherlands. Telephone triage conversations were analysed of callers with chest discomfort who contacted the OHS-PC between 2014 and 2017, comparing patients with SOB with those who did not report SOB. We determine the relation between SOB and (1) High urgency allocation, (2) ACS and (3) ACS or other life-threatening diseases.<br /><b>Results</b><br />Of the 2195 callers with chest discomfort, 1096 (49.9%) reported SOB (43.7% men, 56.3% women). In total, 15.3% men (13.2% in those with SOB) and 8.4% women (9.2% in those with SOB) appeared to have ACS. SOB compared with no SOB was associated with high urgency allocation (75.9% vs 60.8%, OR: 2.03; 95% CI 1.69 to 2.44, multivariable OR (mOR): 2.03; 95% CI 1.69 to 2.44), but not with ACS (10.9% vs 12.0%; OR: 0.90; 95% CI 0.69 to 1.17, mOR: 0.91; 95% CI 0.70 to 1.19) or \'ACS or other life-threatening diseases\' (15.0% vs 14.1%; OR: 1.07; 95% CI 0.85 to 1.36, mOR: 1.09; 95% CI 0.86 to 1.38). For women the relation with ACS was 9.2% vs 7.5%, OR: 1.25; 95% CI 0.83 to 1.88, and for men 13.2% vs 17.4%, OR: 0.72; 95% CI 0.51 to 1.02. For \'ACS or other life-threatening diseases\', this was 3.0% vs 8.5%, OR: 1.60; 95% CI 1.10 to 2.32 for women, and 7.5% vs 20.8%, OR: 0.81; 95% CI 0.59 to 1.12 for men.<br /><b>Conclusions</b><br />Men and women with chest discomfort and SOB who contact the OHS-PC more often receive high urgency than those without SOB. This seems to be adequate in women, but not in men when considering the risk of ACS or other life-threatening diseases.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
Spek M, Venekamp RP, Erkelens DCA, van Smeden M, ... Rutten FH, Zwart DL
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827560
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<div><h4>The role of physiology in the contemporary management of coronary artery disease.</h4><i>Rubino F, Pompei G, Brugaletta S, Collet C, Kunadian V</i><br /><AbstractText>Coronary physiology assessment, including epicardial and microvascular investigations, is a fundamental tool in the contemporary management of patients with coronary artery disease. Coronary revascularisation guided by functional evaluation has demonstrated superiority over angiography-only-guided treatment. In patients with chronic coronary syndrome, revascularisation did not demonstrate prognostic advantage in terms of mortality over optimal medical therapy (OMT). However, revascularisation of coronary stenosis, which induces myocardial ischaemia, has demonstrated better outcome than OMT alone. Pressure wire (PW) or angiography-based longitudinal coronary physiology provides a point-by-point analysis of the vessel to detect the atherosclerotic pattern of coronary disease. A careful evaluation of this disease pattern allows clinicians to choose the appropriate management strategy.Patients with diffuse disease showed a twofold risk of residual angina after percutaneous coronary intervention (PCI) than those with focal disease. Therefore, OMT alone or coronary artery bypass graft might be considered over PCI. In addition, the post-PCI physiological assessment aims to optimise the result revealing residual myocardial ischaemia. Improvement in post-PCI PW or angiography-based functional indices has been associated with better quality of life and reduced risk of cardiac events and residual angina. Therefore, the information obtained from coronary physiology allows for an optimised treatment strategy, which ultimately leads to improve patient\'s prognosis and quality of life. This review provides an overview of the latest available evidence in the literature regarding the use of functional assessment of epicardial coronary stenosis in different settings in the contemporary patient-tailored management of coronary disease.</AbstractText><br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 12 Oct 2023; epub ahead of print</small></div>
Rubino F, Pompei G, Brugaletta S, Collet C, Kunadian V
Heart: 12 Oct 2023; epub ahead of print | PMID: 37827561
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<div><h4>Left atrial appendage closure in very elderly patients in the French National Registry.</h4><i>Teiger E, Eschalier R, Amabile N, Rioufol G, ... Le Corvoisier P, French Left Atrial Appendage Closure-2 registry (FLAAC-2) investigators</i><br /><b>Objective</b><br />Left atrial appendage closure (LAAC) is recommended to decrease the stroke risk in patients with atrial fibrillation and contraindications to anticoagulation. However, age-stratified data are scarce. The aim of this study was to provide information on the safety and efficacy of LAAC, with emphasis on the oldest patients.<br /><b>Methods</b><br />A nationwide, prospective, multicentre, observational registry was established by 53 French cardiology centres in 2018-2021. The composite primary endpoint included ischaemic stroke, systemic embolism, and unexplained or cardiovascular death. Separate analyses were done in the groups <80 years and ≥80 years.<br /><b>Results</b><br />Among the 1053 patients included, median age was 79.7 (73.6-84.3) years; 512 patients (48.6%) were aged ≥80 years. Procedure-related serious adverse events were non-significantly more common in octogenarians (7.0% vs 4.4% in patients aged <80 years, respectively; p=0.07). Despite a higher mean CHA<sub>2</sub>DS<sub>2</sub>-VASc score in octogenarians, the rate of thromboembolic events during the study was similar in both groups (3.0 vs 3.1/100 patient-years; p=0.85). By contrast, all-cause mortality was significantly higher in octogenarians (15.3 vs 10.1/100 patient-years, p<0.015), due to a higher rate of non-cardiovascular deaths (8.2 vs 4.9/100 patient-years, p=0.034). The rate of the primary endpoint was 8.1/100 patient-years overall with no statistically significant difference between age groups (9.4 and 7.0/100 patient-years; p=0.19).<br /><b>Conclusion</b><br />Despite a higher mean CHA<sub>2</sub>DS<sub>2</sub>-VASc score in octogenarians, the rate of thromboembolic events after LAAC in this age group was similar to that in patients aged <80 years.<br /><b>Trial registration number</b><br />ClinicalTrials.gov Registry (NCT03434015).<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 09 Oct 2023; epub ahead of print</small></div>
Teiger E, Eschalier R, Amabile N, Rioufol G, ... Le Corvoisier P, French Left Atrial Appendage Closure-2 registry (FLAAC-2) investigators
Heart: 09 Oct 2023; epub ahead of print | PMID: 37813560
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<div><h4>Cognitive impairment and outcomes in older adults with non-ST-elevation acute coronary syndrome.</h4><i>Dirjayanto VJ, Alkhalil M, Dodson J, Mills G, ... Rubino F, Kunadian V</i><br /><b>Objective</b><br />This study aimed to explore the prognostic impact of cognitive impairment on the long-term risk of major adverse cardiovascular events (MACEs) in older patients with non-ST-elevation acute coronary syndrome (NSTEACS) undergoing invasive treatment.<br /><b>Methods</b><br />Patients aged ≥75 years with NSTEACS undergoing an invasive strategy were included in the multicentre prospective study (NCT01933581). Montreal Cognitive Assessment was used to evaluate cognitive status at baseline (scores ≥26 classified as normal, <26 as cognitive impairment). Long-term follow-up data were obtained from electronic patient care records. The primary endpoint was MACE as a composite of all-cause deaths, reinfarction, stroke/transient ischaemic attack, urgent revascularisation and significant bleeding.<br /><b>Results</b><br />239 patients with baseline cognitive assessment completed long-term follow-up. Median age was 80.9 years (IQR 78.2-83.9 years) and 62.3% were male. On 5-year follow-up, there was no significant difference in the occurrence of MACE between the cognitively impaired group and the normal cognition group (p=0.155). Cognition status was not associated with MACE (HR 1.37 (95% CI 0.96 to 1.95); p=0.082). However, there was significantly more deaths (p=0.005) in those with cognitive impairment. Kaplan-Meier survival analysis (log-rank p=0.003) and Cox regression analysis (aHR 1.85 (95% CI 1.11 to 3.08); p=0.018) revealed increased risk of all-cause mortality, even after adjusting for frailty and GRACE (Global Registry of Acute Coronary Events) score.<br /><b>Conclusion</b><br />Cognitive impairment in older patients with NSTEACS undergoing an invasive strategy was associated with long-term all-cause mortality. Routine cognitive screening may aid risk stratification and further studies are needed to identify how this should influence management strategies and individual decision-making in this patient group.<br /><b>Trial registration number</b><br />NCT01933581.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 09 Oct 2023; epub ahead of print</small></div>
Dirjayanto VJ, Alkhalil M, Dodson J, Mills G, ... Rubino F, Kunadian V
Heart: 09 Oct 2023; epub ahead of print | PMID: 37813562
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<div><h4>Aetiology, ejection fraction and mortality in chronic heart failure: a mediation analysis.</h4><i>Fritz J, Belovari K, Ulmer H, Zaruba MM, ... Bauer A, Poelzl G</i><br /><b>Objective</b><br />Clinical decision making in chronic heart failure (CHF) is based primarily on left ventricular ejection fraction (LVEF), and only secondarily on aetiology of the underlying disease. Our aim was to investigate the mediating role of LVEF in the relationship between aetiology and mortality.<br /><b>Methods</b><br />Using data of 2056 Austrian patients with CHF (mean age 57.2 years; mean follow-up 8.8 years), effects of aetiology on LVEF and overall mortality were estimated using multivariable-adjusted linear and Cox regression models. In causal mediation analyses, we decomposed the total effect of aetiology on mortality into direct and indirect (mediated through LVEF) effects.<br /><b>Results</b><br />For the analysed aetiologies (dilated (DCM, n=1009) and hypertrophic (HCM, n=89) cardiomyopathy; ischaemic (IHD, n=529) and hypertensive (HHD, n=320) heart disease; cardiac amyloidosis (CA, n=109)), the effect of LVEF on mortality was similar (HR<sub>5%-points lower LVEF</sub>=1.07, 95% CI 1.04 to 1.10; p<sub>interaction</sub>=0.718). HCM and CA were associated with significantly higher, and IHD and DCM with significantly lower LVEF compared with other aetiologies. Compared with respective other aetiologies, the corresponding total effect HRs for mortality were 0.77 (95% CI 0.67 to 0.89), 0.47 (95% CI 0.25 to 0.88), 1.40 (95% CI 1.21 to 1.62), 0.79 (95% CI 0.67 to 0.95) and 2.36 (95% CI 1.81 to 3.08) for DCM, HCM, IHD, HHD and CA, respectively. CA had the highest mortality despite a HR<sub>indirect effect</sub> of 0.74 (95% CI 0.65 to 0.83). For all other aetiologies, <20% of the total mortality effects were mediated through LVEF.<br /><b>Conclusions</b><br />The direct effect of aetiology on mortality dominates the indirect effect through LVEF. Therefore, clarification of aetiology is as important as measurement of LVEF.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 18 Sep 2023; epub ahead of print</small></div>
Fritz J, Belovari K, Ulmer H, Zaruba MM, ... Bauer A, Poelzl G
Heart: 18 Sep 2023; epub ahead of print | PMID: 37722825
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<div><h4>QRS complex and T wave planarity for the efficacy prediction of automatic implantable defibrillators.</h4><i>Hnatkova K, Andršová I, Novotný T, Vanderberk B, ... Zabel M, Malik M</i><br /><b>Objective</b><br />To test the hypothesis that in recipients of primary prophylactic implantable cardioverter-defibrillators (ICDs), the non-planarity of ECG vector loops predicts (a) deaths despite ICD protection and (b) appropriate ICD shocks.<br /><b>Methods</b><br />Digital pre-implant ECGs were collected in 1948 ICD recipients: 21.4% females, median age 65 years, 61.5% ischaemic heart disease (IHD). QRS and T wave three-dimensional loops were constructed using singular value decomposition that allowed to measure the vector loop planarity. The non-planarity, that is, the twist of the three-dimensional loops out of a single plane, was related to all-cause mortality (n=294; 15.3% females; 68.7% IHD) and appropriate ICD shocks (n=162; 10.5% females; 87.7% IHD) during 5-year follow-up after device implantation. Using multivariable Cox regression, the predictive power of QRS and T wave non-planarity was compared with that of age, heart rate, left ventricular ejection fraction, QRS duration, spatial QRS-T angle, QTc interval and T-peak to T-end interval.<br /><b>Results</b><br />QRS non-planarity was significantly (p<0.001) associated with follow-up deaths despite ICD protection with HR of 1.339 (95% CI 1.165 to 1.540) but was only univariably associated with appropriate ICD shocks. Non-planarity of the T wave loop was the only ECG-derived index significantly (p<0.001) associated with appropriate ICD shocks with multivariable Cox regression HR of 1.364 (1.180 to 1.576) but was not associated with follow-up mortality.<br /><b>Conclusions</b><br />The analysed data suggest that QRS and T wave non-planarity might offer distinction between patients who are at greater risk of death despite ICD protection and those who are likely to use the defibrillator protection.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY. Published by BMJ.<br /><br /><small>Heart: 15 Sep 2023; epub ahead of print</small></div>
Hnatkova K, Andršová I, Novotný T, Vanderberk B, ... Zabel M, Malik M
Heart: 15 Sep 2023; epub ahead of print | PMID: 37714697
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<div><h4>Long-term cardiac follow-up of athletes infected with SARS-CoV-2 after resumption of elite-level sports.</h4><i>van Hattum JC, Daems JJN, Verwijs SM, Wismans LV, ... Wilde AAM, Jørstad HT</i><br /><b>Objective</b><br />Longitudinal consequences and potential interactions of COVID-19 and elite-level sports and exercise are unclear. Therefore, we determined the long-term detrimental cardiac effects of the interaction between SARS-CoV-2 infection and the highest level of sports and exercise.<br /><b>Methods</b><br />This prospective controlled study included elite athletes from the Evaluation of Lifetime participation in Intensive Top-level sports and Exercise cohort. Athletes infected with SARS-CoV-2were offered structured, additional cardiovascular screenings, including cardiovascular MRI (CMR). We compared ventricular volumes and function, late gadolinium enhancement (LGE) and T1 relaxation times, between infected and non-infected elite athletes, and collected follow-up data on cardiac adverse events, ventricular arrhythmia burden and the cessation of sports careers.<br /><b>Results</b><br />We included 259 elite athletes (mean age 26±5 years; 40% women), of whom 123 were infected (9% cardiovascular symptoms) and 136 were controls. We found no differences in function and volumetric CMR parameters. Four infected athletes (3%) demonstrated LGE (one reversible), compared with none of the controls. During the 26.7 (±5.8) months follow-up, all four athletes resumed elite-level sports, without an increase in ventricular arrhythmias or adverse cardiac remodelling. None of the infected athletes reported new cardiac symptoms or events. The majority (n=118; 96%) still participated in elite-level sports; no sports careers were terminated due to SARS-CoV-2.<br /><b>Conclusions</b><br />This prospective study demonstrates the safety of resuming elite-level sports after SARS-CoV-2 infection. The medium-term risks associated with SARS-CoV-2 infection and elite-level sports appear low, as the resumption of elite sports did not lead to detrimental cardiac effects or increases in clinical events, even in the four elite athletes with SARS-CoV-2 associated myocardial involvement.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 07 Sep 2023; epub ahead of print</small></div>
van Hattum JC, Daems JJN, Verwijs SM, Wismans LV, ... Wilde AAM, Jørstad HT
Heart: 07 Sep 2023; epub ahead of print | PMID: 37678891
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<div><h4>Biomarkers in heart failure: a focus on natriuretic peptides.</h4><i>Eltayeb M, Squire I, Sze S</i><br /><AbstractText>While progress has been made in the management of most aspects of cardiovascular disease, the incidence and prevalence of heart failure (HF) remains high. HF affects around a million people in the UK and has a worse prognosis than most cancers. Patients with HF are often elderly with complex comorbidities, making accurate assessment of HF challenging. A timely diagnosis and initiation of evidence-based treatments are key to prevent hospitalisation and improve outcomes in this population. Biomarkers have dramatically impacted the way patients with HF are evaluated and managed. The most studied biomarkers in HF are natriuretic peptides (NPs). Since their discovery in the 1980s, there has been an explosion of work in the field of NPs and they have become an important clinical tool used in everyday practice to guide diagnosis and prognostic assessment of patients with HF. In this article, we will review the physiology of NPs and study their biological effects. Then, we will discuss the role of NPs in the diagnosis, management and prognostication of patients with HF. We will also explore the role of NPs as a potential therapeutic agent.</AbstractText><br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 06 Sep 2023; epub ahead of print</small></div>
Eltayeb M, Squire I, Sze S
Heart: 06 Sep 2023; epub ahead of print | PMID: 37673654
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<div><h4>Associations between air pollution and the risk of first admission and multiple readmissions for cardiovascular diseases.</h4><i>Zhang S, Chen L, Qian ZM, Li D, ... Li H, Lin H</i><br /><b>Objectives</b><br />We aimed to investigate the associations between air pollutants and the risk of admission and multiple readmission events for cardiovascular disease (CVD).<br /><b>Methods</b><br />A total of 285 009 participants free of CVD at baseline from the UK Biobank were included in this analysis. Four major cardiovascular admission events were identified during the follow-up: chronic ischaemic heart disease (CIHD), cerebrovascular disease, atrial fibrillation and heart failure. We used Prentice, Williams and Peterson-Total Time model to examine the association between ambient air pollution and first admission, as well as multiple readmissions for these CVDs.<br /><b>Results</b><br />During a median follow-up of 12 years, 17 176 (6.03%) participants were hospitalised with CVDs, and 6203 (36.11%) patients with CVD had subsequent readmission events for CVDs. We observed significant associations between air pollution and both first admission and readmission for CVDs, with generally stronger associations on readmission for cardiovascular events. For example, the adjusted HRs for the first admission and subsequent readmission for cerebrovascular disease were 1.130 (95% CI 1.070 to 1.194) and 1.270 (95% CI 1.137 to 1.418) for each IQR increase of particulate matter with a diameter ≤2.5 µm. The corresponding HRs for CIHD were 1.060 (95% CI 1.008 to 1.114) and 1.120 (95% CI 1.070 to 1.171). Sex stratified analyses showed that the associations were generally more pronounced among females than males.<br /><b>Conclusion</b><br />This study provides evidence that ambient air pollutants might play an important role in both first admission and readmission for cardiovascular events. In addition, patients with pre-existing CVDs may be more vulnerable to air pollution compared with healthy population.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 06 Sep 2023; epub ahead of print</small></div>
Zhang S, Chen L, Qian ZM, Li D, ... Li H, Lin H
Heart: 06 Sep 2023; epub ahead of print | PMID: 37673655
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<div><h4>Beta-blockers and renin-angiotensin system inhibitors for Takotsubo syndrome recurrence: a network meta-analysis.</h4><i>Santoro F, Sharkey S, Citro R, Miura T, ... Eitel I, Brunetti ND</i><br /><b>Introduction</b><br />Takotsubo syndrome (TTS) is an acute heart failure syndrome, featured by transient left ventricular systolic dysfunction. Recurrences of TTS are not infrequent and there is no standard preventive therapy. The aim of this study was to evaluate in a network meta-analysis if beta-blockers (BB) and ACE inhibitors/angiotensin receptor blockers (ACEi/ARBs), in combination or not, can effectively prevent TTS recurrences.<br /><b>Methods</b><br />We performed a systematic network meta-analysis, using MEDLINE/EMBASE and the Cochrane Central Register of Controlled Trials for clinical studies published between January 2010 and September 2022. We considered all those studies including patients receiving medical therapy with BB, ACEi/ARBs. The primary outcome was TTS recurrence.<br /><b>Results</b><br />We identified 6 clinical studies encompassing a total of 3407 patients with TTS. At 40±10 months follow-up, TTS recurrence was reported in 160 (4.7%) out of 3407 patients. Mean age was 69.8±2 years and 394 patients (11.5%) out of 3407 were male. There were no differences in terms of TTS recurrence when comparing ACEi/ARBs versus control (OR 0.83; 95% CI 0.47 to 1.47, p=0.52); BB versus control (OR 1.01; 95% CI 0.63 to 1.61, p=0.96) and ACEi/ARBs versus BB (OR 0.88; 95% CI 0.51 to 1.53, p=0.65).Combination of BB and ACEi/ARBs was also not effective in reducing the risk of recurrence versus control (OR 0.91; 95% CI 0.58 to 1.43, p=0.68) vs ACEi/ARBs (OR 0.79; 95% CI 0.46 to 1.34, p=0.38)) and vs BB (OR 0.77; 95% CI 0.49 to 1.21, p=0.26).<br /><b>Conclusions</b><br />Our study did not find sufficient statistical evidence regarding combination therapy with BB and ACEi/ARBs in reduction of TTS recurrence.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 04 Sep 2023; epub ahead of print</small></div>
Santoro F, Sharkey S, Citro R, Miura T, ... Eitel I, Brunetti ND
Heart: 04 Sep 2023; epub ahead of print | PMID: 37666647
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<div><h4>Association between catheter ablation of atrial fibrillation and mortality or stroke.</h4><i>Akerström F, Hutter J, Charitakis E, Tabrizi F, ... Türkmen Y, Jensen-Urstad M</i><br /><b>Objective</b><br />Catheter ablation of atrial fibrillation effectively reduces symptomatic burden. However, its long-term effect on mortality and stroke is unclear. We investigated if patients with atrial fibrillation who undergo catheter ablation have lower risk for all-cause mortality or stroke than patients who are managed medically.<br /><b>Methods</b><br />We retrospectively included 5628 consecutive patients who underwent first-time catheter ablation for atrial fibrillation between 2008 and 2018 at three major Swedish electrophysiology units. Control individuals with an atrial fibrillation diagnosis but without previous stroke were selected from the Swedish National Patient Register, resulting in a control group of 48 676 patients. Propensity score matching was performed to produce two cohorts of equal size (n=3955) with similar baseline characteristics. The primary endpoint was a composite of all-cause mortality or stroke.<br /><b>Results</b><br />Patients who underwent catheter ablation were healthier (mean CHA<sub>2</sub>DS<sub>2</sub>-VASc score 1.4±1.4 vs 1.6±1.5, p<0.001), had a higher median income (288 vs 212 1000 Swedish krona [KSEK]/year, p<0.001) and had more frequently received university education (45.1% vs 28.9%, p<0.001). Mean follow-up was 4.5±2.8 years. After propensity score matching, catheter ablation was associated with lower risk for the combined primary endpoint (HR 0.58, 95% CI 0.48 to 0.69). The result was mainly driven by a decrease in all-cause mortality (HR 0.51, 95% CI 0.41 to 0.63), with stroke reduction showing a trend in favour of catheter ablation (HR 0.75, 95% CI 0.53 to 1.07).<br /><b>Conclusions</b><br />Catheter ablation of atrial fibrillation was associated with a reduction in the primary endpoint of all-cause mortality or stroke. This result was driven by a marked reduction in all-cause mortality.<br /><br />© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 01 Sep 2023; epub ahead of print</small></div>
Akerström F, Hutter J, Charitakis E, Tabrizi F, ... Türkmen Y, Jensen-Urstad M
Heart: 01 Sep 2023; epub ahead of print | PMID: 37657914
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<div><h4>Optimal antiplatelet strategy following coronary artery bypass grafting: a meta-analysis.</h4><i>Agrawal A, Kumar A, Majid M, Badwan O, ... Menon V, Wang TKM</i><br /><b>Objective</b><br />Coronary artery bypass grafting (CABG) is an established revascularisation strategy for multivessel and left main coronary artery disease. Although aspirin is routinely recommended for patients with CABG, the optimal antiplatelet regimen after CABG remains unclear. We evaluated the efficacies and risks of different antiplatelet regimens (dual (DAPT) versus single (SAPT), and dual with clopidogrel (DAPT-C) versus dual with ticagrelor or prasugrel (DAPT-T/P)) after CABG.<br /><b>Methods</b><br />We followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and performed a comprehensive literature search using PubMed, Ovid Medline, Ovid Embase and Cochrane Central Register of Controlled Trials. Data were extracted and pooled using random-effects models and Review Manager (V.5.4).<br /><b>Results</b><br />Among the 2970 article abstracts screened, 215 full-text articles were reviewed and 38 studies totaling 77 447 CABG patients were included for analyses. DAPT compared with SAPT was associated with significantly lower all-cause mortality (OR 0.65 with 95% CI 0.50 to 0.86; p=0.002), cardiovascular mortality (OR 0.53, 95% CI 0.33 to 0.84; p=0.008), and major adverse cardiac and cerebrovascular events (MACCE) (OR 0.68, 95% CI 0.51 to 0.91; p=0.01), but higher rates of major (OR 1.30, 95% CI 1.08 to 1.56; p=0.007) and minor bleeding (OR 1.87, 95% CI 1.28 to 2.74; p=0.001) after CABG. DAPT-T/P compared with DAPT-C was associated with significantly lower all-cause (OR 0.43, 95% CI 0.29 to 0.65; p≤0.0001) and cardiovascular mortality (OR 0.44, 95% CI 0.24 to 0.80; p=0.008), and no differences on other cardiovascular or bleeding outcomes after CABG.<br /><b>Conclusion</b><br />In patients with CABG, DAPT compared with SAPT and DAPT-T/P compared with DAPT-C were associated with reduction in all-cause and cardiovascular mortality, especially in patients with acute coronary syndrome. Additionally, DAPT was associated with reduction in MACCE, but higher rates of major and minor bleeding. An individualised approach to choosing antiplatelet regimen is necessary for patients with CABG based on ischaemic and bleeding risks.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 30 Aug 2023; epub ahead of print</small></div>
Agrawal A, Kumar A, Majid M, Badwan O, ... Menon V, Wang TKM
Heart: 30 Aug 2023; epub ahead of print | PMID: 37648436
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<div><h4>Temporal trends in mortality of aortic dissection and rupture in the UK, Japan, the USA and Canada.</h4><i>Hibino M, Verma S, Jarret CM, Shimamura J, ... Nienaber CA, Pelletier MP</i><br /><b>Objective</b><br />Aortic dissection and aortic aneurysm rupture are aortic emergencies and their clinical outcomes have improved over the past two decades; however, whether this has translated into lower mortality across countries remains an open question. The purpose of this study was to compare mortality trends from aortic dissection and rupture between the UK, Japan, the USA and Canada.<br /><b>Methods</b><br />We analysed the WHO mortality database to determine trends in mortality from aortic dissection and rupture in four countries from 2000 to 2019. Age-standardised mortality rates per 100 000 persons were calculated, and annual percentage change was estimated using joinpoint regression.<br /><b>Results</b><br />Age-standardised mortality rates per 100 000 persons from aortic dissection and rupture in 2019 were 1.04 and 1.80 in the UK, 2.66 and 1.16 in Japan, 0.76 and 0.52 in the USA, and 0.67 and 0.81 in Canada, respectively. There was significantly decreasing trends in age-standardised mortality from aortic rupture in all four countries and decreasing trends in age-standardised mortality from aortic dissection in the UK over the study period. There was significantly increasing trends in mortality from aortic dissection in Japan over the study period. Joinpoint regression identified significant changes in the aortic dissection trends from decreasing to increasing in the USA from 2010 and Canada from 2012. In sensitivity analyses stratified by sex, similar trends were observed.<br /><b>Conclusions</b><br />Trends in mortality from aortic rupture are decreasing; however, mortality from aortic dissection is increasing in Japan, the USA and Canada. Further study to explain these trends is warranted.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 30 Aug 2023; epub ahead of print</small></div>
Hibino M, Verma S, Jarret CM, Shimamura J, ... Nienaber CA, Pelletier MP
Heart: 30 Aug 2023; epub ahead of print | PMID: 37648437
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<div><h4>Role of lipoprotein(a) concentrations in bioprosthetic aortic valve degeneration.</h4><i>Farina JM, Chao CJ, Pereyra M, Roarke M, ... Arsanjani R, Marcotte F</i><br /><b>Objectives</b><br />Lipoprotein(a) (Lp(a)) is associated with an increased incidence of native aortic stenosis, which shares similar pathological mechanisms with bioprosthetic aortic valve (bAV) degeneration. However, evidence regarding the role of Lp(a) concentrations in bAV degeneration is lacking. This study aims to evaluate the association between Lp(a) concentrations and bAV degeneration.<br /><b>Methods</b><br />In this retrospective multicentre study, patients who underwent a bAV replacement between 1 January 2010 and 31 December 2020 and had a Lp(a) measurement were included. Echocardiography follow-up was performed to determine the presence of bioprosthetic valve degeneration, which was defined as an increase >10 mm Hg in mean gradient from baseline with concomitant decrease in effective orifice area and Doppler Velocity Index, or new moderate/severe prosthetic regurgitation. Levels of Lp(a) were compared between patients with and without degeneration and Cox regression analysis was performed to investigate the association between Lp(a) levels and bioprosthetic valve degeneration.<br /><b>Results</b><br />In total, 210 cases were included (mean age 74.1±9.4 years, 72.4% males). Median time between baseline and follow-up echocardiography was 4.4 (IQR 3.7) years. Bioprostheses degeneration was observed in 33 (15.7%) patients at follow-up. Median serum levels of Lp(a) were significantly higher in patients affected by degeneration versus non-affected cases: 50.0 (IQR 72.0) vs 15.6 (IQR 48.6) mg/dL, p=0.002. In the regression analysis, high Lp(a) levels (≥30 mg/dL) were associated with degeneration both in a univariable analysis (HR 3.6, 95% CI 1.7 to 7.6, p=0.001) and multivariable analysis adjusted by other risk factors for bioprostheses degeneration (HR 4.4, 95% CI 1.9 to 10.4, p=0.001).<br /><b>Conclusions</b><br />High serum Lp(a) is associated with bAV degeneration. Prospective studies are needed to confirm these findings and to investigate whether lowering Lp(a) levels could slow bioprostheses degradation.<br /><br />© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.<br /><br /><small>Heart: 29 Aug 2023; epub ahead of print</small></div>
Farina JM, Chao CJ, Pereyra M, Roarke M, ... Arsanjani R, Marcotte F
Heart: 29 Aug 2023; epub ahead of print | PMID: 37643771
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This program is still in alpha version.