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Cardiac Computed Tomography Versus Transesophageal Echocardiography for the Detection of Left Atrial Appendage Thrombus: A Systemic Review and Meta‐Analysis
Journal of the American Heart Association ( IF 5.0 ) Pub Date : 2021-11-19 , DOI: 10.1161/jaha.121.022505
Shandong Yu 1 , Heping Zhang 1 , Hongwei Li 1, 2, 3
Affiliation  

BackgroundTransesophageal echocardiography (TEE) has been considered the gold standard for left atrial appendage (LAA) thrombus detection. Nevertheless, TEE may sometimes induce discomfort and cause complications. Cardiac computed tomography has been studied extensively for LAA thrombus detection. We performed this systemic review and meta‐analysis to assess the diagnostic accuracy of cardiac computed tomography for LAA thrombus detection compared with TEE.Methods and ResultsA systemic search was conducted in the PubMed, Embase, and Cochrane Library databases from January 1977 to February 2021. Studies performed for assessment diagnostic accuracy of cardiac computed tomography on LAA thrombus compared with TEE were included. Summary sensitivity, specificity, and posterior probability of LAA thrombus was calculated by using bivariate random‐effects model. The Quality Assessment of Diagnostic Accuracy Studies‐2 tool was used for the quality assessment. A total of 27 studies involving 6960 patients were included in our study. The summary sensitivity of early imaging studies was 0.95 (95% CI, 0.79–0.99), and the specificity was 0.89 (95% CI, 0.85–0.92). The positive posterior probability was 19.11%, and the negative posterior probability was 0.16%. The summary sensitivity of delayed imaging studies was 0.98 (95% CI, 0.92–1.00), and the specificity was 1.00 (95% CI, 0.98–1.00). The positive posterior probability was 95.76%, and the negative posterior probability was 0.12%. The delayed imaging method significantly improved the specificity (1.00 versus 0.89; P<0.05) and positive posterior probability (95.76% versus 19.11%; P<0.05).ConclusionsCardiac computed tomography with a delayed imaging is a reliable alternative to TEE. It may save the patient and health care from an excess TEE.RegistrationURL: https://www.crd.york.ac.uk/PROSPERO; Unique identifier: CRD42021236352.

中文翻译:

心脏计算机断层扫描与经食管超声心动图检测左心耳血栓:系统评价和荟萃分析

背景经食管超声心动图(TEE)被认为是左心耳(LAA)血栓检测的金标准。然而,TEE 有时可能会引起不适并引起并发症。心脏计算机断层扫描已被广泛研究用于 LAA 血栓检测。我们进行了这项系统评价和荟萃分析,以评估心脏计算机断层扫描与 TEE 相比对 LAA 血栓检测的诊断准确性。方法和结果从 1977 年 1 月到 2021 年 2 月,在 PubMed、Embase 和 Cochrane 图书馆数据库中进行了系统搜索。与 TEE 相比,为评估心脏计算机断层扫描对 LAA 血栓的诊断准确性进行的研究包括在内。总结敏感性、特异性、使用双变量随机效应模型计算左心耳血栓的后验概率。诊断准确性研究的质量评估-2 工具用于质量评估。我们的研究共纳入 27 项研究,涉及 6960 名患者。早期影像学研究的总敏感性为 0.95(95% CI,0.79-0.99),特异性为 0.89(95% CI,0.85-0.92)。正后验概率为19.11%,负后验概率为0.16%。延迟成像研究的总灵敏度为 0.98(95% CI,0.92-1.00),特异性为 1.00(95% CI,0.98-1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;诊断准确性研究的质量评估-2 工具用于质量评估。我们的研究共纳入 27 项研究,涉及 6960 名患者。早期影像学研究的总敏感性为 0.95(95% CI,0.79-0.99),特异性为 0.89(95% CI,0.85-0.92)。正后验概率为19.11%,负后验概率为0.16%。延迟成像研究的总灵敏度为 0.98(95% CI,0.92-1.00),特异性为 1.00(95% CI,0.98-1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;诊断准确性研究的质量评估-2 工具用于质量评估。我们的研究共纳入 27 项研究,涉及 6960 名患者。早期影像学研究的总敏感性为 0.95(95% CI,0.79-0.99),特异性为 0.89(95% CI,0.85-0.92)。正后验概率为19.11%,负后验概率为0.16%。延迟成像研究的总灵敏度为 0.98(95% CI,0.92-1.00),特异性为 1.00(95% CI,0.98-1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;早期影像学研究的总敏感性为 0.95(95% CI,0.79-0.99),特异性为 0.89(95% CI,0.85-0.92)。正后验概率为19.11%,负后验概率为0.16%。延迟成像研究的总灵敏度为 0.98(95% CI,0.92-1.00),特异性为 1.00(95% CI,0.98-1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;早期影像学研究的总敏感性为 0.95(95% CI,0.79-0.99),特异性为 0.89(95% CI,0.85-0.92)。正后验概率为19.11%,负后验概率为0.16%。延迟成像研究的总灵敏度为 0.98(95% CI,0.92-1.00),特异性为 1.00(95% CI,0.98-1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;00 (95% CI, 0.98–1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;00 (95% CI, 0.98–1.00)。正后验概率为95.76%,负后验概率为0.12%。延迟成像方法显着提高了特异性(1.00 vs 0.89;P <0.05)和正后验概率(95.76% 对 19.11%;P <0.05)。结论心脏 CT 与延迟成像是 TEE 的可靠替代方案。它可以使患者和医疗保健免于过多的 TEE。注册网址:https://www.crd.york.ac.uk/PROSPERO;唯一标识符:CRD42021236352。
更新日期:2021-12-07
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