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  • Title: Hyperleptinemia--non-haemodynamic risk factor for the left ventricular hypertrophy development in hypertensive overweight females.
    Author: Selthofer-Relatić K, Radić R, Vizjak V, Vcev A, Kosović P, Bosnjak I, Selthofer R.
    Journal: Coll Antropol; 2008 Sep; 32(3):681-5. PubMed ID: 18982737.
    Abstract:
    Obesity is directly and strongly associated with hypertension and left ventricular hypertrophy (LVH). Development of LVH is multifactorial, caused both by haemodynamic and non-haemodynamic factors. Hypertension is the main haemodynamic factor. Humoral mechanisms, as a non-haemodynamic factor for LVH development, have not been completely explained. The aim of this study is to determine whether hyperleptinemia can be one of humoral--non-haemodynamic factor inducing LVH together with haemodynamic factors in overweight females. The study was done on thirty six adult, overweight female patients, body mass index in range 25-30 kg/m2. Patients are nondiabetic with regular renal function. Twenty one female patients were hypertensive with left ventricular hypertrophy. Control group included fifteen hypertensive female patients without left ventricular hypertrophy. In all patients was determined glucose profile and creatinine clearance, cholesterol, triglycerides, LDL, HDL. Weight, high, circumference of the waist and hips was taken. Cardiovascular determination was done applying two-dimensional ultrasound. Serum leptin level was measured using radioimmunoassay method (RIA). Results showed that serum leptin level was significantly higher in hypertensive, overweight females with LVH. This suggests that non-haemodynamic factors, such as hyperleptinemia, participate in left ventricular hypertrophy development together with haemodynamic factors in adult hypertonic, overweight females.
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