Dyslipidaemias in white normotensive subjects and in white patients treated for essential hypertension.
1995
: Serum lipid profiles were evaluated in 143 white patients treated for essential hypertension (HT:31 men, 112 women, mean age 58.4 +/- 0.9 years) and in 54 normotensives (NT: 15 men, 39 women, 56.7 +/- 1.8 years). Mean values of LDL-C, HDL-C, TG and LDL-C/HDL-C ratio in hypertensives and normotensives were respectively 4.19 +/- 0.08 vs 4.01 +/- 0.16 mmol/l; 1.14 +/- 0.03 vs 1.22 +/- 0.05 mmol/l, 1.80 +/- 0.10 vs 1.30 +/- 0.06 mmol/l, and 4.0 +/- 0.1 vs 3.5 +/- 0.2; TG and ratio values of both groups differed significantly. Normotensives and hypertensives showed the same prevalence of IIa dyslipidaemia phenotype (37%). Hypertriglyceridaemic phenotypes and associated low HDL-C were more frequent in hypertensives than in normotensives (respectively 20% vs 6% and 14% vs 7%). The IIa phenotype was more prevalent in normotensive women than in men (44% vs 20%). This gender difference was absent in hypertensives (men, 39% vs women, 37%). Isolated low HDL-C was more prevalent in men than in women: NT, 20% vs 8%; HT, 16% vs 4%. IIa prevalence was greater in the age group > 50 years than in the age group < or = 50 years: NT, 22% vs 44%; HT, 12% vs 46%. The prevalence of hypertriglyceridaemic dyslipidaemias was similar in both age groups, in hypertensives (18% vs 21%) and normotensives (6% vs 6%). IIa, IIb and IV dyslipidaemias were more frequent in obese hypertensives. Positive correlations between BMI vs LDL-C and TG values were found in normotensives. In conclusion, the prevalence of dyslipidaemias was similarly high in both NT and HT groups (54% vs 64%), with some qualitative differences concerning phenotypes.
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