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  • Title: Left ventricular hypertrophy on long-term cardiovascular outcomes in patients with ST-elevation myocardial infarction.
    Author: Park JS, Shin JS, Lee YH, Seo KW, Choi BJ, Choi SY, Yoon MH, Hwang GS, Tahk SJ, Shin JH.
    Journal: Clin Exp Hypertens; 2015; 37(8):674-9. PubMed ID: 26151825.
    Abstract:
    BACKGROUND: Left ventricular hypertrophy (LVH) had been associated with increased adverse cardiovascular events in hypertensive patients. Prognostic significance of LVH in patients with ST-elevation myocardial infarction (STEMI) is not established. This study aimed to investigate prognostic impact of LVH on the patients with STEMI. METHODS: We analyzed the data and clinical outcomes of 30-day survivors with STEMI who underwent successful coronary intervention from 2003 to 2009. Definition of LVH was LV mass index (LVMI) >115 g/m(2) in male and >95 g/m(2) in female. Patients were classified into a LVH group and a non-LVH group. Occurrence of major adverse cardiovascular events (MACE; death, recurrent MI, target vessel revascularization (TVR)) within 5 years was evaluated. RESULTS: We enrolled 418 patients and mean follow-up duration was 43 ± 17 months. Two hundred and fourteen patients (51%) had LVH. The survival of the patients with LVH was significantly worse than the patients without LVH (log-rank p = 0.024). In a multivariate regression model, the presence of LVH was independently associated with increased risk for all-cause mortality (OR, 2.37; 95% CI, 1.096-5.123, p = 0.028). When the end points were analyzed based on LVH severity, all-cause mortality was significantly correlated with LVH severity (p = 0.011). The severe LVH was independently associated with increased risk for all-cause mortality (OR, 5.110; 95% CI, 1.454-17.9, p = 0.001). CONCLUSION: LVH was associated with increased rate of adverse clinical outcomes in 30-day survivors after STEMI, who underwent successful coronary intervention.
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