Selective stent post-dilatation (PD) in a cohort of STEMI patients did not affect major adverse cardiac events but it did decrease device-oriented composite events, a secondary composite end point of less clear significance. This study suggests that selective stent PD in STEMI does not increase the incidence of acute no-reflow or long-term adverse clinical events. In primary PCI for STEMI, if the stent appears under-expanded, then PD, perhaps guided by intravascular imaging (which was not reported in this study), is reasonable.
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