Effects of 3-month nifedipine treatment on endocrine-metabolic parameters in patients with abdominal obesity and mild hypertension
Abstract
It is widely accepted that abdominal obesity presents with exaggerated insulin secretion, insulin resistance and a trend toward glucose intolerance. Hypertension is frequently associated to abdominal obesity, and hyperinsulinism could play a role in its pathogenesis. Some studies reported that Ca-antagonists positively influence insulin sensitivity and glucose tolerance in obese patients with normal or elevated blood pressure. However, other studies reported worsening of metabolic balance during treatment with Ca-antagonists in hypertensive non-insulin-dependent diabetes mellitus (NIDDM) patients and in normal subjects. We studied 19 patients with abdominal obesity, mild hypertension and insulin resistance on balanced, mild hypocaloric diet (1400 Kcal), to verify the effects of the Ca-antagonist nifedipine on both basal and oral glucose tolerance test (OGTT)-induced glucose and insulin levels as well as on IGF-I basal and DHEA-S levels and fat mass (FM). To achieve this goal, 10 hypertensive obese subjects (HOB-NIFE, 3 males, 7 females, mean age +/- SD 44.6 +/- 1.7 yr; body mass index (BMI) 37.1 +/- 2.5 Kg/m2, WHR 0.95 +/- 0.02) received 3-month treatment with nifedipine (Adalat Crono 30 Bayer, 1 tab daily) while other 9 hypert...Continue Reading
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