在阴道分娩时诊断产后出血的测试
Idnan Yunas1, Ioannis D Gallos2, Adam J Devall1
1School of Medical Sciences, Department of Metabolism and Systems Science, WHO Collaborating Centre for Global Women's Health Research, University of Birmingham, Birmingham, UK.
The Cochrane database of systematic reviews
|January 17, 2025
概括
准确诊断产后出血 (PPH) 是至关重要的. 一个经过校准的窗和观察结果显示PPH的高准确性,而视觉估计是不可靠的,缺少一半的病例.
科学领域:
- 产科和妇科 产科和妇科
- 孕产妇健康 孕产妇健康
- 诊断准确性研究 诊断准确性研究
背景情况:
- 产后出血 (PPH) 是全球领先的孕产妇死亡原因.
- 早期和准确的PPH诊断对于及时干预和改善结果至关重要.
研究的目的:
- 评估各种诊断方法的准确性,用于初级PPH (≥500毫升流血) 和严重的初级PPH (≥1000毫升流血) 在阴道分娩的妇女.
- 为了将索引测试与客观的参考标准进行比较,例如权重的血液损失测量.
主要方法:
- 诊断队列和横截面研究的系统审查和元分析.
- 包括报告指数测试2x2数据的研究 (视觉估计,校准设备,临床变量等). 与参考标准 (重力测量,体积测量) 相比.
- 评估包括的研究的偏差风险和证据确定性.
主要成果:
- 视觉估计显示PPH的敏感性低 (48%). 使用校准布进行的诊断方法与观察结果显示,PPH具有高灵敏度 (93%) 和特异性 (95%).
- 血红蛋白水平 (<10 g/dL) 对PPH具有中度敏感性 (37%),对严重PPH具有更高的敏感性 (71%).
- 冲击指数 (≥1.0) 显示严重PPH的敏感性低 (30%).
结论:
- 视觉估计对于诊断PPH是不可靠的.
- 校准的窗与临床观察相结合,为PPH诊断提供了一个高度准确的方法.
- 需要进一步的研究,以评估在非医院环境中的诊断测试准确性,并探索组合测试策略.
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