Ann Intern Med:非透析慢性肾病患者的理想血压水平:130—159/70—89mmHg

2013-08-29 晓静 编译 cmt

美国学者探讨了未依赖透析慢性肾脏病(CKD)患者的理想血压水平,以降低这些患者的死亡率。结果表明,CKD患者的理想血压水平可能为130—159/70—89 mm Hg;CKD成人患者达到理想的收缩压后,进一步降低舒张压可能并无益处。相关论文8月20日在线发表于《内科学文献》(Ann Intern Med)。【原文下载】 该项大型研究纳入了651749例美国患CKD的退伍军



美国学者探讨了未依赖透析慢性肾脏病(CKD)患者的理想血压水平,以降低这些患者的死亡率。结果表明,CKD患者的理想血压水平可能为130—159/70—89 mm Hg;CKD成人患者达到理想的收缩压后,进一步降低舒张压可能并无益处。相关论文8月20日在线发表于《内科学文献》(Ann Intern Med)。【原文下载

该项大型研究纳入了651749例美国患CKD的退伍军人,患者的平均年龄为74岁,97%为男性,88%为白人,9%为黑人,43%合并有冠心病,43%合并有糖尿病。基线平均收缩压指标为135 mm Hg,平均舒张压为72 mm Hg,平均肾小球滤过率为50.4 mL/min·1.73 m2。研究者检查了96种所有不同血压水平的分类组合,从最低(<80/<40 mm Hg)至最高血压水平(>210/>120 mm Hg),增幅为10 mm Hg。研究期间共有238640例患者发生死亡。

结果显示,血压水平在130—159 /70—89 mm Hg的患者校正死亡率最低,而那些舒张压和收缩压均较高或均较低的患者死亡率最高。具有适度升高的收缩压和不低于70 mm Hg舒张压组合患者的死亡率低于理想收缩压和低于70 mm Hg舒张压组合患者。在尿微量白蛋白与肌酐比值升高和正常的亚组患者中,也与上述结果保持一致。

该研究的局限性在于样本多数为男性患者,不能确定因果关系以及大量的患者缺乏蛋白尿指标。

原始出处:

Csaba P. Kovesdy, MD; Anthony J. Bleyer, MD; Miklos Z. Molnar, MD, PhD; Jennie Z. Ma, PhD; John J. Sim, MD; William C. Cushman, MD; L. Darryl Quarles, MD; and Kamyar Kalantar-Zadeh, MD, PhD.Blood Pressure and Mortality in U.S. Veterans With Chronic Kidney Disease: A Cohort Study.Ann Intern Med. 2013;159(4):233-242. doi:10.7326/0003-4819-159-4-201308200-00004 【原文下载

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