Abstract

Objective: Hypertension and dyslipidemia are the major risk factors for athersclerotic cardiovascular disease (ASCVD). The single pill combination (SPC) covering these risk factors are commonly used but has little data. The clinical effect of these SPCs on blood pressure and lipid profile with ASCVD risk change were evaluated in middle aged borderline risk group. Design and method: Seventy-two patients (age: 53.6±10 years) who were simultaneously diagnosed with hypertension and dyslipidemia were randomized to the two SPC groups: amlodipine 5 with atorvastatin 20 (AA) versus (vs.) olmesartan20 with rosuvastatin 10mg (OR). Before and after medication for six months under the active life style change, 24-hour ambulatory blood pressure (BP) monitoring (ABPM), lipid profile, carotid ultrasonography, ankle-brachial index (ABI), and ASCVD risk parameters including glucose profiles were also compared. Results: Baseline 24-hr mean systolic BP were higher in OR group (AA vs. OR: systolic BP 142.8±8.9 vs. 148.3±8.8mmHg, p = 0.039). The level of LDL cholesterol were slightly higher without significance in OR group (LDL 121.3±31.2 vs. 136.4±26.6mg/dL, p = 0.091). Follow-up mean BP were similar on 24-hr ABPM (systolic BP 127.3±9.4 vs. 125.1±7.3mmHg, p = 0.416; diastolic BP 85.6±6.6 vs. 81.4±7.8mmHg, p = 0.083). The changes in reduction of mean systolic BP markedly greater in OR group (systolic BP -15.1±11.5 vs -22.8±11.7, p = 0.048). Reduction of LDL cholesterol were similar (-53.1±24.7 vs. -62.5±29.1 mg/dL, p = 0.331). The level of fasting glucose was increased in only OR group and those of hemoglobin A1c were increased at both group and its changes were greater in OR group (0.12±0.30 vs. 0.23±0.28%, p = 0.048). The carotid intima-media thicknesses were slightly reduced in both group while ABI were not changed. ASCVD risk score were decreased after treatment (5.3 to 2.9 vs. 6.9 to 3.8%) with its similar rate between both group (45.3 vs 45.6%). Conclusions: In treating the middle aged patients with newly diagnosed hypertension and dyslipidemia using SPCs of AA and OR, OR is beneficial in blood pressure control while AA is advantageous to glucose control. After 6-months simultaneous treatment of hypertension and dyslipidemia, their grades of ASCVD risks were shifted from borderline to lower group.

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