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Clin J Am Soc Nephrol:2型糖尿病患者尿钾高,肾脏和心血管并发症下降缓慢

2015-11-23 phylis 译 MedSci原创

背景和目的:研究者调查了2型糖尿病患者的尿钾和钠排泄量和肾功能衰竭和心血管疾病的发生的关系。方法:1996年到2003期间,共招募623个日本2型糖尿病患者(eGFR≥60mL/min/1.73 m2),进行观察随访研究,并随访至2013年。基线时,收集24小时尿液,评估尿钾,钠的分泌。主要终点为肾病及心血管事件(RRT,心肌梗死,心绞痛,卒中和外周血管疾病)。次级肾脏终点是eGFR下降50%,进

背景和目的:研究者调查了2型糖尿病患者的尿钾和钠排泄量和肾功能衰竭和心血管疾病的发生的关系。

方法:1996年到2003期间,共招募623个日本2型糖尿病患者(eGFR≥60mL/min/1.73 m2),进行观察随访研究,并随访至2013年。基线时,收集24小时尿液,评估尿钾、钠的分泌。主要终点为肾病及心血管事件(RRT、心肌梗死、心绞痛、卒中和外周血管疾病)。次级肾脏终点是eGFR下降50%,进展为4期CKD(eGFR<30ml/min/1.73m2)及每年eGFR下降。

结果:随访时间的中位数为11年,134名患者发生主要终点。较高的尿钾排泄与主要终点发生降低相关,而尿钠排泄则无此种相关。Cox比例风险分析:与最低四分位数相比(<1.72g/d),尿钾排泄第三四分位数(2.33-2.90 g/d)和第四四分位数(> 2.90g/d)的主要终点的校正HR为0.56(95% CI,0.33-0.95)和0.33(95% CI,0.18-0.62)。次级肾脏终点有类似的结果。在尿钾排泄第四四分位数(1.3ml/min/1.73m2/y;95% CI,-1.5,- 1.0)的患者eGFR下降率比第一四分位数明显减慢(-2.2;95% CI,-2.4, - 1.8)。

结论:高尿钾与正常肾功能的2型糖尿病患者肾功能下降缓慢和心血管并发症发生率较低相关。需要进一步试验确定增加膳食钾是否有益。

原文出处:

Araki SI, Haneda M, Koya D,et al. Urinary Potassium Excretion and Renal and Cardiovascular Complications in Patients with Type 2 Diabetes and Normal Renal Function. Clin J Am Soc Nephrol. 2015,Nov 12.


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    2016-08-02 丁鹏鹏
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