Abstract 544: Prognostic Implications of Left Ventricular Mass and Geometry Following a First ST-Elevation Acute Myocardial Infarction

TL;DRAbstract

Left ventricular (LV) hypertrophy and alterations in LV geometry (Concentric LV hypertrophy and higher relative wall thickness: RWT) are associated with an increased risk of adverse events in a high risk acute myocardial infarction (AMI) from VALIANT echocardiography study ( JACC Img 2008 ; 1 : 582 ). However, the role of LV hypertrophy and RWT on a first ST-elevation AMI (STEMI) remains unclear. The aim of our study was to explore the impact of LV hypertrophy and geometry on a first reperfused STEMI exclusively involved. 278 consecutive STEMI patients (age = 64 ± 12years, male = 222, LMT = 5, LAD = 126, RCA = 115, LCx = 32) underwent echocardiography 2 weeks later and were followed for 36months. They underwent PCI successfully within 12 hours of onset. Patients with non-STEMI, A–C bypass, atrial fibrillation, and chronic renal failure on dialysis were excluded. LV mass index (LVMi) and RWT were calculated. Patients were classified into 4 mutually exclusive groups based on RWT and LVMi

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