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治疗高血压的最新指南建议降低血压到特定目标值,但未提及血压应维持在多少之上。较低的血压水平是否也与不良事件风险增加相关还不确定。较多研究指出血压与心血管事件存在J形曲线关系,高血压或低血压均增加心血管事件的风险[1-2]。血压与脑卒中风险是否也存在相似的J形相关性尚未可知。此外,一些观察研究表明,低舒张压伴高收缩压与心血管不良结局相关。低舒张压与心血管结局风险的相关性是否独立于收缩压还不清楚。虽然有研究表明血压水
The latest guidelines for the treatment of hypertension suggest lowering blood pressure to a specific target, but it does not mention how much blood pressure should be maintained. Whether lower blood pressure levels are also associated with an increased risk of adverse events remains uncertain. More studies have pointed out that blood pressure and cardiovascular events exist J-shaped curve, hypertension or hypotension are increased risk of cardiovascular events [1-2]. It is unclear whether there is a similar J-shaped correlation between blood pressure and stroke risk. In addition, some observational studies have shown that low diastolic blood pressure with high systolic blood pressure is associated with poor cardiovascular outcome. Whether low-diastolic blood pressure and cardiovascular outcomes are independent of systolic BP is unclear. Although studies have shown that blood pressure water