Stroke:基于骨折风险的脑卒中后吡格列酮治疗评分系统

2018-12-10 xing.T MedSci原创

由此可见,识别低骨折风险患者的简单评分可有助于选择缺血性卒中或短暂性脑缺血发作后采用吡格列酮治疗能够获得益处的患者。

胰岛素增敏剂吡格列酮可降低缺血性卒中或短暂性脑缺血发作患者的血管风险,但会增加骨折风险。近日,卒中领域权威杂志Stroke上发表了一篇研究文章,研究人员对卒中后胰岛素抵抗干预试验(IRIS试验)进行了二次分析,以评估骨折治疗前风险对吡格列酮治疗净效益的影响。

IRIS试验是针对吡格列酮的随机安慰剂对照试验,其招募了在缺血性卒中或短暂性脑缺血发作发生后180天内患有胰岛素抵抗但没有糖尿病的患者。从2005年2月至2013年1月,研究人员从179个国际中心招募了参与者,随访时间中位数为4.8年。骨折风险模型是从招募时的患者特征开发而来。在骨折风险分层中,研究人员通过估计骨折和卒中或心肌梗死的相对风险和绝对5年风险差异来量化吡格列酮与安慰剂相比的效应。

骨折风险模型包含了年龄、人种-民族、性别、体重指数、残疾和药物治疗。吡格列酮治疗引起的骨折风险相对增量在较低(<评分中位数)和较高(≥评分中位数)风险分层中相似。然而,低风险组的骨折绝对风险差异(ARD)较低(吡格列酮组为5.8%,安慰剂组为4.0%; ARD为1.8%; 95%CI为-0.7%至4.4%),相比于高风险组(18.0% vs. 11.6%; ARD为6.4%; 95%CI为3.2%至9.6%)。卒中或心肌梗死风险的降低并未因骨折风险而变化(低风险ARD为-3.7%;高风险ARD为-3.5%)。在低风险患者中,吡格列酮可以预防每次骨折引起的2.0次卒中或心肌梗塞,而高风险患者则为0.5次。

由此可见,识别低骨折风险患者的简单评分可有助于选择缺血性卒中或短暂性脑缺血发作后采用吡格列酮治疗能够获得益处的患者。

原始出处:

Catherine M. Viscoli.et al. Scoring System to Optimize Pioglitazone Therapy After Stroke Based on Fracture Risk.Stroke. 2018.https://www.ahajournals.org/doi/10.1161/STROKEAHA.118.022745

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    2018-12-11 健健

    卒中虽然是临床上常见病,溶栓,取栓等血管内治疗也很成熟,但是仍然有很多未知问题有待认知!

    0

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