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老年性收缩期高血压研究规划(SHEP)是测试治疗中老年高血压有效性的随机试验。对129例受试者进行连续颈动脉复式扫描,以观察颈动脉狭窄加剧和缓解的变化率。治疗组给予利尿剂和β-阻滞剂控制血压,对照组给予安慰剂,结果表明治疗组卒中发病率降低了36％。 用复式超声诊断扫描仪对受试者进行检查。用B型成象评定尚未引起血流量改变的轻微至中等病症。左、右颈总动脉(CCA)、颈动脉球和颈内动脉
The Senile Systolic Hypertension Program (SHEP) is a randomized trial to test the effectiveness of treating hypertension in the elderly. 129 consecutive subjects underwent continuous carotid artery scan to observe the rate of change of carotid artery stenosis and remission. The treatment group was given diuretics and β-blockers to control blood pressure and the placebo was given to the control group. The results showed a 36% reduction in the incidence of stroke in the treatment group. Subjects were examined with duplex ultrasound scanners. B-mode imaging was used to assess mild to moderate conditions that have not caused a change in blood flow. Left and right common carotid artery (CCA), carotid bulb and internal carotid artery