| アブストラクト | BACKGROUND: Young patients (aged < 40 years) with type 2 diabetes (T2D) have a high lifetime risk of developing cardiovascular disease (CVD). However, little is known about the CVD risk profile of this cohort in the UK primary care setting. AIM: To determine CVD risk profile of young patients with T2D without CVD compared to older (aged >40 years) subjects. DESIGN: A cross-sectional study using The Health Improvement Network (THIN) database, which contains anonymized patient information from more than 300 general practices throughout England and Wales. METHODS: T2D subjects above the age of 18 years without previous CVD and not on lipid or blood pressure lowering therapy were randomly selected. Data on glycaemic control and CVD risk factors [weight, body mass index (BMI), lipid profile] were collected. RESULTS: A total of 49,919 patients with T2D were identified, of whom 2756 (0.5%) and 47,163 (99.5%) were aged below and above 40 years, respectively. Despite being at least 30 years younger (mean age: early vs. later onset; 33.8 vs. 66.9 years, P < 0.001), the proportions of adverse CVD risk profiles for young patients were similar to the older cohort with T2D. For young vs. old patients: the prevalence of BMI >25: 84.4% vs. 85.3%, P = 0.77; total cholesterol >4 mmol/l: 53.4% vs. 53.8%, P = 0.76; systolic hypertension: 58.2 vs. 58.4%, P = 0.36 and diastolic hypertension: 28.1 vs. 28.5%, P = 0.73). Glycaemic controls were similarly suboptimal between the two groups (mean HbA1c: young vs. old; 7.6% vs. 7.5%, P = 0.49). The prevalence of risk factor clustering were also similar between young vs. old patients with T2D. DISCUSSION: Young T2D subjects possess risk factors that confer high lifetime risk for macrovascular complications, and therefore merits aggressive cardioprotective treatment. |
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