(Hypertension. 2000;36:226.)
© 2000 American Heart Association, Inc.
Scientific Contributions |
High Triglycerides and Low HDL Cholesterol and Blood Pressure and Risk of Ischemic Heart Disease
From the Copenhagen Male Study, Epidemiological Research Unit (J.J., H.O.H., P.S., F.G.), Copenhagen University Hospital, Denmark; and the Glostrup Population Studies (H.O.H), Department of Internal Medicine C, Glostrup University Hospital, Denmark.
Correspondence to Jørgen Jeppesen, Copenhagen Male Study, Epidemiological Research Unit, Copenhagen University Hospital, Bispebjerg, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark.
Abstract—Treatment of high blood pressure (BP) has not produced the expected reduction in risk of ischemic heart disease (IHD). Subjects with high BP often have the metabolic syndrome X, an aggregation of abnormalities in glucose and lipid metabolism. We tested the hypothesis that the BP level would be less predictive of risk of IHD in those with high triglycerides (TG) and low HDL cholesterol (HDL-C), the characteristic dyslipidemia in the metabolic syndrome than in those without. Baseline measurements of fasting lipids, systolic BP (SBP), diastolic BP (DBP), and other risk factors were obtained in 2906 men, age 53 to 74 years, free of overt cardiovascular disease. High TG/low HDL-C was defined as TG >1.59 mmol/L and HDL-C <1.18 mmol/L. Within an 8-year period, 229 men developed IHD. In men with high TG/low HDL-C, the incidence of IHD according to SBP (<120, 120 to 140, >140 mm Hg) was 12.5%, 12.9%, and 10.0% (P=NS), respectively, and according to DBP, the incidence of IHD was (<75, 75 to 90, >90 mm Hg) 13.7%, 10.6%, and 13.7% (P=NS), respectively. The corresponding figures for other men were 5.2%, 8.0%, and 9.7% for SBP (P<0.001), and 6.1%, 7.5%, and 9.9% for DBP (P<0.03). In conclusion, the BP level did not predict the risk of IHD in those with high TG/low HDL-C. This finding may explain the reason lowering BP has not produced the expected reduction in IHD.
Key Words: coronary disease • blood pressure • lipids • lipoproteins • risk factors
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