Circulation:BNP和cTnT/I对于晕厥患者的诊断/预后意义

2019-05-26 QQ MedSci原创

BNP(B型钠尿肽)、NT-proBNP(N末端proBNP)和hs-cTn(高敏感性心肌钙蛋白)浓度在晕厥诊断和风险分层中的作用尚不完全清楚。Jeanne du Fay de Lavallaz等人开展一前瞻性的多中心诊断研究评估BNP、NT-proBNP、hscTnT和hs-cTnI浓度作为单因素在45岁以上晕厥急诊治疗的患者人群中的诊断和预后准确性。EGSYS,晕厥特异性的诊断性评分,作为诊断

BNP(B型钠尿肽)、NT-proBNP(N末端proBNP)和hs-cTn(高敏感性心肌钙蛋白)浓度在晕厥诊断和风险分层中的作用尚不完全清楚。

Jeanne du Fay de Lavallaz等人开展一前瞻性的多中心诊断研究评估BNP、NT-proBNP、hscTnT和hs-cTnI浓度作为单因素在45岁以上晕厥急诊治疗的患者人群中的诊断和预后准确性。EGSYS,晕厥特异性的诊断性评分,作为诊断指标。30天和720天内的死亡和主要心脏不良事件为主要预后结点。主要不良心脏事件包括死亡、心肺复苏、危及生命的心律失常、植入起搏器/可植入性心律转复除颤器、急性心肌梗死、肺栓塞、中风/短暂性缺血发作、颅内出血或瓣膜手术。ROSE(急诊晕厥的危险分层)、OESIL、SFSR和CSRS作为预后指标。

在1538位符合诊断评估标准的患者中,有234位(15.2%)被确诊为心源性晕厥。心源性晕厥患者的BNP、NT-proBNP、hscTnT和hs-cTnI水平明显高于其他原因引起的晕厥患者的(p<0.01)。4个生物标志物用于心源性晕厥的诊断准确性为0.77-0.78(95%CI 0.74-0.81),优于EGSYS(0.68,[95% CI 0.65-0.71],p<0.01)。将BNP/NT-proBNP与hs-cTnT/hs-cTnI结合起来可进一步提高诊断准确性(0.81,p<0.01)。BNP、NT-proBNP、hscTnT和hs-cTnI达到了预定的敏感度和特异性阈值(95%),约占所有患者的30%。随访期间共发生450例主要心脏不良事件。对于主要心脏不良事件,BNP、NT-proBNP、hscTnT和hs-cTnI的预后准确性为中等-良好(0.75-0.79),优于ROSE、OESIL和SFSR,次于CSRS。

总体而言,BNP、NT-proBNP、hscTnT和hs-cTnI浓度为急诊晕厥患者提供了有用的诊断和预后信息。

原始出处:

Jeanne du Fay de Lavallaz,et al. B-Type Natriuretic Peptides and Cardiac Troponins for Diagnosis and Risk-Stratification of Syncope. Circulation. 21 May 2019. https://doi.org/10.1161/CIRCULATIONAHA.118.038358. 2019;139:2403–2418

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    2019-05-28 huiwelcome
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    2019-05-28 lily1616
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