Clin Chem:全球采用高敏感性心肌肌钙蛋白诊断心肌梗死情况如何?

2019-07-20 gladiator MedSci原创

心肌梗死的通用定义(<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;; mso-fareast-font-family:宋体;mso-bidi-font-family:&quot;Times New

心肌梗死的通用定义(UDMI)从某种程度上标准化了心肌梗塞的诊断管理方法。临床上建议进行高灵敏度的心肌肌钙蛋白检测,是因为这些检测方法在低浓度下具有更高的精确度,但对特异性的关注可能限制了它们的实施。

研究人员对分布在5大洲的23个国家的1902个医疗中心进行了一项全球调查,以评估UDMI的主要建议的采纳情况。参与疑似急性冠状动脉综合征患者诊断管理的受访者完成了一份结构化电话问卷,详细描述了用于识别心肌梗死的主要生物标志物、诊断阈值和临床路径。

研究显示96%的调查位点以心肌肌钙蛋白为主要诊断生物标志物。只有41%的研究中心采用了高灵敏度的检测方法,北美为7%,欧洲为60%。使用高敏感性肌钙蛋白的位点比使用前代检测的位点更频繁地使用串行采样路径(91%vs78%)和第99百分位诊断阈值(74%66%)。此外,高敏感性机构更常采用早期串行采样(3h)和加速诊断路径。不到五分之一的高敏感位点采用了性别特异性阈值(18%)

UDMI的建议已经在全球范围内取得了进展,特别是在使用第99百分位诊断阈值和连续抽样方面。然而,仍有仍只有少数使用高灵敏度检测,而使用性别特异性阈值的就更少。因此,需要进一步努力,以改善心肌梗死患者的风险分层和诊断。

原始出处:

Atul Anand, Anoop S.V. Shah,Global Adoption of High-Sensitivity Cardiac Troponins and the Universal Definition of Myocardial Infarction

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