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单纯收缩期高血压(收缩压≥140毫米汞柱,舒张压<90毫米汞柱)在老年人中很常见。以往曾认为,高血压患者心脑血管事件(脑卒中及心肌梗死)的危险主要与舒张压升高相关,因而众多治疗高血压的临床试验都是针对降低舒张压进行的,而忽视了收缩压增高的风险。甚至导致一种误解,认为老年人收缩压增高是随年龄增长的一种生理性改变。
Simple systolic hypertension (systolic blood pressure ≥ 140 mmHg, diastolic blood pressure <90 mmHg) is common in the elderly. In the past, the risk of cardiovascular and cerebrovascular events (stroke and myocardial infarction) in hypertensive patients was mainly associated with elevated diastolic blood pressure. Therefore, many clinical trials of treating hypertension are aimed at reducing diastolic blood pressure while ignoring systolic blood pressure Increased risk. Even lead to a misconception that the elderly systolic blood pressure is increased with age, a physiological change.