Kidney Int:慢性肾病患者,是否可以积极降压呢?

2016-10-23 MedSci MedSci原创

血压是心血管疾病(CVD)的危险因素。在血液透析的患者中,血压和死亡之间的风险呈U形相关。然而,很少有研究探讨血压与4期和5期慢性肾脏病患者心血管疾病之间的相关性。研究者研究了1795例慢性肾功能不全(CRIC)队列研究中,估计肾小球滤过率<30ml/min/ 1.73m2,且未行透析的受试者。应用Cox回归模型,校正人口统计学资料,合并症集及药物使用,收缩压(SBP),舒张压(DBP)及脉压差之

血压是心血管疾病(CVD)的危险因素。在血液透析的患者中,血压和死亡之间的风险呈U形相关。然而,很少有研究探讨血压与4期和5期慢性肾脏病患者心血管疾病之间的相关性。

研究者研究了1795例慢性肾功能不全(CRIC)队列研究中,估计肾小球滤过率<30ml/min/ 1.73m2,且未行透析的受试者。应用Cox回归模型,校正人口统计学资料,合并症集及药物使用,收缩压(SBP)、舒张压(DBP)及脉压差之与动脉粥样硬化性心血管疾病(卒中心肌梗死、或外周动脉疾病)及心力衰竭发生风险的相关性。

高收缩压(校正HR:2.04,95%CI:1.46-2.8,收缩压超过140 vs 120mmHg),高舒张压(2.52 [ 1.54-4.11 ]),DBP>90 mmHg vs <80 mmHg)及高脉压差(2.67 [ 1.82-3.92 ],脉压差> 68 mm Hg与<51 mmHg)与动脉粥样硬化性心血管疾病有显著相关性。而患者心脏衰竭仅与较高的脉压差有显著相关(1.42 [ 1.05-1.92 ],脉压差大于> 68 mm Hg与<51 mmHg),而心衰与高收缩压及高舒张压不相关。

因此, 4期和5期慢性肾脏病的受试者,高收缩压,高舒张压及高脉压差与动脉粥样硬化性心血管疾病发生的风险密切相关,然而,仅高脉压差与心衰风险增加独立相关。需要进一步的试验确定,积极降压是否可以降低4期及5期慢性肾脏病患者的心血管的风险。

原始出处:

Bansal N, McCulloch CE, et al. Different components of blood pressure are associated with increased risk of atherosclerotic cardiovascular disease versus heart failure in advanced chronic kidney disease. Kidney Int. 2016 Oct 4.


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