JAMA Intern Med:痛风患者肾功能下降 这个锅别嘌呤醇背不背?

2018-12-08 王淳 环球医学

2018年11月,巴西和美国学者发表在《JAMA Intern Med》的一项研究,考察了慢性肾病(CKD)与痛风治疗中别嘌呤醇使用的相关性。

2018年11月,巴西和美国学者发表在《JAMA Intern Med》的一项研究,考察了慢性肾病(CKD)与痛风治疗中别嘌呤醇使用的相关性。

重要性:当痛风患者肾功能下降时,医生常对别嘌呤醇的使用持谨慎态度。

目的:旨在评估痛风中别嘌呤醇使用与发生3期或以上CKD风险之间的相关性。

设计、地点和参与者:研究者进行了一项时间分层倾向得分匹配的基于人群的前瞻性队列研究,研究对象为初始使用别嘌呤醇(≥300mg/d)的新诊断为痛风的患者,并与未初始别嘌呤醇的患者进行了比较。患者来自于英国全科医师电子健康档案数据库,即健康改善网络(THIN)。使用Cox比例风险回归分析数据。新诊断为痛风的18~89岁成年患者中,将4760名别嘌呤醇初始者(≥300mg/d)与相同数量的别嘌呤醇未初始者进行了倾向得分匹配,排除了3期或以上的CKD患者,及痛风诊断前使用降尿酸治疗的患者。

暴露:别嘌呤醇初始治疗,每天300mg或以上剂量。

主要结局和测量指标:3期或以上CKD的发生。

结果:4760名别嘌呤醇初始者(男性3975人,女性785人)和相同数量的未初始者(男性3971人,女性789人)中,分别有579和623人发生3期或以上的CKD,分别平均随访5和4年,平均年龄为57岁,平均体重指数(BMI,千克体重除以身高米数的平方)为30。与不使用者相比,别嘌呤醇剂量至少300mg/d与较低的3期或以上CKD发生风险相关,风险比(HR)为0.87(95% CI,0.77~0.97)。初始别嘌呤醇低于300mg/d与肾功能降低不相关(HR,1.00;95% CI,0.91~1.09)。

结论和意义:在此大型队列中,别嘌呤醇剂量初始至少300mg/d与较低风险的肾功能恶化相关。由于别嘌呤醇与肾功能下降不相关,因此当痛风患者出现肾功能下降时,医生应该考虑评估其他潜在病因。

原始出处:

Vargas-Santos AB, et al. Association of Chronic Kidney Disease With Allopurinol Use in Gout Treatment. JAMA Intern Med. 2018 Nov 1;178(11):1526-1533. doi: 10.1001/jamainternmed.2018.4463.

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    2019-06-30 yese
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    2018-12-21 衣带渐宽

    学习

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    2018-12-10 hb2008ye
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    2018-12-08 天地飞扬

    了解一下,谢谢分享!

    0

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