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Relationship between left ventricular geometry and soluble ST2 in a cohort of hypertensive patients.

Research paper by Dike B DB Ojji, Lionel H LH Opie, Sandrine S Lecour, Lydia L Lacerda, Olusoji O Adeyemi, Karen K Sliwa

Indexed on: 31 Oct '13Published on: 31 Oct '13Published in: The Journal of Clinical Hypertension



Abstract

Left ventricular (LV) hypertrophy (LVH) is classified according to geometric pattern into 4 types: concentric hypertrophy, eccentric hypertrophy, concentric remodeling, and normal geometry. Prevalence of death and cardiovascular complications associated with hypertension depend on the geometric pattern. Although soluble ST2 levels, a novel cardiac biomarker of mechanical strain is increased in hypertension, the relationship with hypertensive LV geometric patterns has not been studied. The authors investigated the relationship between soluble ST2 levels and LV geometric patterns in a cohort of hypertensive patients. LVH was considered present when echocardiographic LV mass index exceeded 49.2 g/m(2.7) in men and 46.2 g/m(2.7) in women. Patients with concentric hypertrophy had higher soluble ST2 levels compared with patients with normal geometry (20.4±8.4 ng/mL vs 14.3±5.4 ng/mL, P<.002). Therefore, soluble ST2 level is not only affected by hypertensive LV, but may be a future biomarker in differentiating concentric hypertrophy from normal geometry in hypertension.