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Application value of computerized tomography angiography combined with ultrasound in the preoperative diagnosis of congenital vascular malformation of tetralogy of fallot |
ZHANG Zhen-hua WU Zhu-qiang▲ DING Shan |
Department of Radiology, Jiangxi Provincial Children′s Hospital, Jiangxi Province, Nanchang 333006, China |
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Abstract Objective To explore the application value of computerized tomography (CT) angiography combined with cardiac ultrasound in the preoperative diagnosis of congenital vascular malformation of tetralogy of fallot (TOF). Methods A total of 80 children patients with confirmed TOF in Jiangxi Provincial Children′s Hospital between January 2018 and July 2020 were selected as the research object retrospectively, fcardiac ultrasound and 64 rows of spiral CT angiography, the application of multiple image postprocessing technology for image reconstruction, combined with cardiac ultrasound and clinical surgery results, and the value of CT angiography combined with cardiac ultrasound in the preoperative diagnosis of TOF congenital vascular malformations was evaluated. Results The sensitivity in the diagnosis of CT angiography combined with cardiac ultrasound were higher than that in the separate diagnosis of cardiac ultrasound and CT angiography, with statistical significant differeces (P<0.05). And the accuracy in the diagnosis of CT angiography combined with cardiac ultrasound were higher than that in the separate diagnosis of cardiac ultrasound, with statistical significant differeces (P<0.05). The three inspection methods were very consistent (Kappa=0.468, 0.451, 0.628).Conclusion CT angiography combined with cardiac ultrasound can provide accurate and reliable imaging basis for the clinic, reduce unnecessary traumatic examinations, and provide favorable support for the formulation of surgical plans.
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