NYMC Faculty Publications

Relation of Left Ventricular Hypertrophy Subtype to Long-Term Mortality in Those With Subclinical Cardiovascular Disease (From the Multiethnic Study of Atherosclerosis [MESA])

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The American Journal of Cardiology

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The clinical and biochemical profile of differing Left ventricular hypertrophy phenotypes and its effect on long-term outcomes is ill-defined. The study investigated the differences in risk profiles and prognostic effect of concentric (CH) and eccentric hypertrophy (EH) on long-term adverse outcomes in a contemporary, ethnically diverse cohort. We analyzed follow-up data over 15 years from the Multiethnic Study of Atherosclerosis study. A total of 4,979 participants with cardiac magnetic resonance performed at baseline enrollment were included. Descriptive statistics, Kaplan-Meier curves, and regression models were applied. Independent variables associated with CH were black and Hispanic race/ethnicity, systolic blood pressure, and metabolic syndrome. Independent variables associated with EH were systolic blood pressure and urine creatinine, whereas serum creatinine had an inverse association. The primary end point of all-cause death (n = 1,137, 22.8%) occurred in 21.7%, 47.4%, and 56.6% of participants with no, CH, or EH, respectively (p- < 0.001). Age (hazard ratio [HR] per year = 1.10 [1.09 to 1.11], p <0.001), male gender (HR = 1.48 [1.29 to 1.69], p <0.001), black race (HR = 1.17 [1.005 to 1.36], p = 0.04), fasting glucose (HR = 1.005 [1.003 to 1.007], p <0.001), baseline creatinine (HR per mg/100 ml = 1.29 [1.15 to 1.46], p <0.001), left ventricular ejection fraction (HR per 1% = 0.98 [0.98 to 0.99], p = 0.005), IL-6 (HR per pg/ml = 1.17 [1.12 to 1.22], p <0.001), CH (HR = 1.84 [1.41 to 2.41], p <0.001), and EH (HR = 2.58 [1.77 to 3.76], p <0.001) were significant predictors of all-cause mortality. In conclusion, CH and EH are 2 distinct clinical phenotypes of left ventricular hypertrophy with differing gender and racial predisposition, both of which are associated with worse long-term adverse outcomes.