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ABSTRACT
Objective: Low HDL-cholesterol is a strong independent cardiovascular risk factor recognized as a therapeutic target in recent guidelines. The Pan-European Survey on HDL-cholesterol collected data on plasma lipid profiles from 8545 dyslipidaemic patients in the care of 1339 specialist physicians in 11 European countries. The main objective was to obtain a reliable estimation of the prevalence of low HDL (< 1.03 mmol/L [< 40 mg/dL] in men; < 1.29 mmol/L [< 50 mg/dL] in women).
Research design and methods: Eligible patients were aged ≥ 18 years and had received diet and exercise plus pharmacologic lipid-modifying treatment for ≥ 3 months, or had serum cholesterol ≥ 5.18 mmol/L (≥ 200 mg/dL) and/or serum triglycerides ≥ 2.03 mmol/L (≥ 180 mg/dL) despite ≥ 3 months of diet and exercise.
Results: The survey population was overweight (mean body mass index 29.0 kg/m2), with a high prevalence of sedentary lifestyle (68%), type 2 diabetes (45%), hypertension (72%) and coronary heart disease (45%). Lipid-modifying treatment, received by 85% of patients, included lifestyle modification (85%) and/or lipid-lowering drugs (85% received a statin). The prevalence of low HDL-cholesterol despite lipid-modifying treatment was 40% (women) and 33% (men). Very low HDL-cholesterol (< 0.90 mmol/L [< 35 mg/dL]) occurred in 14% of treated patients, with similar prevalence in the subgroup of patients not receiving such treatment. Hypertriglyceridaemia (> 1.69 mmol/L [> 150 mg/dL]) occurred in 57% of men not under lipid-modifying treatment and in 47% of men receiving such treatment; corresponding values in women were 48% and 43%. Both low HDL-cholesterol and hypertriglyceridaemia occurred in 26% of men and 27% of women who were not receiving lipid-modifying treatment and in 21% of men and 25% of women receiving lipid-modifying treatment.
Conclusions: Low HDL-cholesterol and hypertriglyceridaemia are, therefore, common among European patients treated for dyslipidaemia. Clearly, physicians need to focus more of their attention on this major risk factor and to consider adequate treatment when indicated.