Abstract #4833

Delays in first medical contact to primary interventional therapy and left ventricular remodeling in myocardial infarction

Jiali Wang¹, Kai Xu¹, Chunfeng Hu¹, Yankai Meng¹, Shuguang Han¹, Yuan Lu¹, Peng Wu², Lu Han², and Yongzhou Xu³

¹The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China, ²Philips Healthcare, Shanghai, China, ³Philips Healthcare, Guangzhou, China

Synopsis

Keywords: Myocardium, IschemiaEarly reperfusion and early evaluation of cardiac adverse left ventricular remodeling (ALVR) have become important aspects of treatment for ST-segment elevation myocardial infarction (STEMI) post-percutaneous coronary intervention (PCI). The aim of this study was to investigate the predictive value of emergency medical service (EMS) delays on the severity of myocardial injury in STEMI patients after PCI. Cardiac magnetic resonance (CMR) cine, myocardial strain, and scar characteristics were analyzed. The first medical contact to balloon (FMC2B) time was recorded. FMC2B time > 90 min led to poor recovery of cardiac function and was an independent predictor of ALVR.

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