针对急性肺栓塞的SPECT通风/输液成像:诊断测试准确性的元分析
Imran H Iftikhar1, Nauman H Iftikhar2, Muhammad Naeem3
1Department of Medicine, Division of Pulmonary, Allergy, Critical Care & Sleep Medicine, Emory University School of Medicine, Atlanta, Georgia (I.H.I.); Atlanta Veterans Affairs Medical Center, Atlanta, Georgia (I.H.I.).
Academic radiology
|July 24, 2023
概括
这项元分析发现通风/ perfusion-single光子发射计算机断层扫描与计算机断层扫描 (V/Q-SPECT-CT) 是诊断急性肺栓塞 (PE) 的最具体的成像模式. 其他V/Q-SPECT技术显示出不同的诊断准确度,Q-SPECT是最不具体的.
科学领域:
- 放射学 放射学是一门学科.
- 核医学就是核医学.
- 诊断成像 诊断成像 诊断成像
背景情况:
- 急性肺栓塞 (PE) 是一种危及生命的疾病,需要准确及时诊断.
- 不同的成像方式,包括通风/ perfusion-single光子发射计算机断层扫描 (V/Q-SPECT) 和其CT增强的变体,用于PE诊断.
- 评估这些模式的比较诊断性能对于优化临床实践至关重要.
研究的目的:
- 系统地评估和比较不同V/Q-SPECT急性PE成像模式的诊断准确度.
- 评估V/Q-SPECT,V/Q-SPECT与低剂量CT (V/Q-SPECT-CT),Q-SPECT与低剂量CT (Q-SPECT-CT) 和Q-SPECT的敏感性,特异性和概率比.
主要方法:
- 在PubMed,Embase,CINAHL和Web of Science数据库中进行了全面的文献搜索.
- 研究包括成年参与者 (≥10) 的元分析,这些成年参与者有急性PE,报告了特定成像测试的诊断性能数据.
- 双变随机效应回归模型被用于元分析.
主要成果:
- 分析了4146名V/Q-SPECT,785名V/Q-SPECT-CT,1196名Q-SPECT-CT和728名Q-SPECT参与者的数据.
- V/Q-SPECT-CT表现出最高的特异性 (0.99) 和 76.7.7. 的积极概率比 (+LR).
- Q-SPECT表现出最低的特异性 (0.86) 和一个不太有利的负概率比率 (-LR) 0.13.
结论:
- 与其他V/Q-SPECT方式相比,V/Q-SPECT-CT为急性PE提供了更好的诊断特异性.
- 在评估的技术中,Q-SPECT显示了最低的诊断性能.
- 这些发现支持使用V/Q-SPECT-CT来提高诊断急性PE的准确性.
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