在支气管动脉栓塞术前通过多排螺旋计算机断层扫描血管造影术检测肺动脉分流：一项初步研究。
Detection of Shunting Into Pulmonary Artery on Multidetector Row Computed Tomography Arteriography Before Bronchial Arterial Embolization: A Preliminary Study.
作者信息
Takeuchi Hitoshi, Matsumoto Tomohiro, Morimoto Kozo, Osawa Takeshi, Tanaka Yoshiaki, Yoshimori Kozo, Kamei Shunsuke, Yamamoto Shota, Kurosaki Atsuko, Hasebe Terumitsu
机构信息
From the Department of Diagnostic Radiology, Fukujuji Hospital, Japan Anti-Tuberculosis Association.
Department of Radiology, Tokai University Hachioji Hospital, Tokai University School of Medicine.
出版信息
J Comput Assist Tomogr. 2020 Nov/Dec;44(6):852-856. doi: 10.1097/RCT.0000000000001099.
OBJECTIVE
The aim of this study was to investigate the diagnostic performance of detecting systemic arterial pulmonary circulation shunts on multidetector row computed tomography arteriography (MDCTA).
METHODS
Thirty-five consecutive bronchial artery embolization sessions with preprocedural MDCTA were performed for 32 patients and 35 sessions. The MDCTA studies with computed tomography value of pulmonary trunk visually lower than that of ascending aorta were defined as "diagnostic MDCTA." Angiographic studies and "diagnostic MDCTA" were evaluated, respectively, for shunting into pulmonary artery. Based on the results of angiographic studies, diagnostic performance of "diagnostic MDCTA" was evaluated.
RESULTS
The rate of diagnostic MDCTA was 63% (23 of 35). On "diagnostic MDCTA," sensitivity, specificity, and positive and negative predictive values for detecting shunts were 83% 100%, 100%, 94%, respectively.
CONCLUSIONS
Systemic arterial pulmonary circulation shunts were detected on "diagnostic MDCTA" with high sensitivity and specificity.
目的
本研究旨在探讨在多排螺旋计算机断层扫描血管造影（MDCTA）上检测体循环动脉至肺循环分流的诊断效能。
方法
对32例患者进行了35次连续的支气管动脉栓塞术，术前均行MDCTA检查。将肺动脉干CT值在视觉上低于升主动脉CT值的MDCTA检查定义为“诊断性MDCTA”。分别对血管造影检查和“诊断性MDCTA”进行肺动脉分流评估。基于血管造影检查结果，评估“诊断性MDCTA”的诊断效能。
结果
诊断性MDCTA的比例为63%（35例中的23例）。在“诊断性MDCTA”上，检测分流的敏感性、特异性、阳性预测值和阴性预测值分别为83%、100%、100%、94%。
结论
在“诊断性MDCTA”上能够以高敏感性和特异性检测到体循环动脉至肺循环分流。
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