Hypertension:单纯收缩期高血压老年患者更佳降压范围是多少?

2017-01-04 xing.T MedSci原创

总之,在日本的单纯收缩期高血压老年患者中,SBP在130-145mmHg之间的患者不良预后最少并且心血管疾病和全因死亡率也有所降低。降压的最佳范围将需要在随机对照试验中进行证实。

近日,心血管权威杂志Hypertension上发表一篇研究文章,研究人员旨在评估日本单纯收缩期高血压老年患者中最佳的治疗血压目标值,从而使患者心血管疾病和全因死亡率的风险最小化。

研究人员分析所用的数据来自于VALISH研究(老年单纯收缩期高血压患者缬沙坦治疗),该研究招募了收缩压(SBP)≥160mm Hg和舒张压<90mmHg的老年人(n=3035;平均年龄为76岁)。研究人员根据患者治疗达到的目标血压值将其分为三组,分别为<130mmHg组(n=317),130-145mmHg(n=2025)组,或≥ 145mmHg(n=693)组。该研究的主要的指标为复合心血管疾病(冠心病、脑卒中、心力衰竭、心血管死亡、其他血管疾病和肾脏疾病),次要的指标为全因死亡率。研究人员采用Cox比例风险模型来评估每个组的心血管疾病风险。

研究对象的中位随访时间为3年(8022人次每年),其中有52例患者发生CVD事件,93例患者发生死亡。研究人员以治疗达到的目标血压值SBP130-145mmHg组作为参考,对多变量进行调整后,SBP<130 mm Hg组和SBP≥ 145mmHg组的CVD和全因死亡率风险的危险比和95%可信区间分别为2.08(1.12-3.83)和2.09(0.93-4.71)以及2.29(1.44-3.62)和2.51(1.35-4.66)。而舒张压治疗的目标值与CVD或全因死亡率风险不存在相关性。

总之,在日本的单纯收缩期高血压老年患者中,SBP在130-145mmHg之间的患者不良预后最少并且心血管疾病和全因死亡率也有所降低。降压的最佳范围将需要在随机对照试验中进行证实。

原始出处:

Yuichiro Yano, et al. On-Treatment Blood Pressure and Cardiovascular Outcomes in Older Adults With Isolated Systolic Hypertension. Hypertension. 2016. 

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    2017-03-15 feather89
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