三维重建结合胸部CT在低年资胸外科医师手术教学中的初步应用
Capital Medicine(2023)
首都医科大学附属北京胸科医院
Abstract
目的 探讨三维重建结合胸部CT对低年资胸外科医师手术教学中的应用效果.方法 采用自身对照研究,研究时间为2018年7月-2021年10月,研究对象为28位低年资胸外科医师.以10套试卷评估学员的基线,每套试卷5道题,分别关于病灶位置、肺动脉、段间肺静脉、所属支气管及变异、手术设计.采用三维重建结合CT进行教学,教授学员了解肺亚段血管、支气管在CT上的位置,引导学生在脑海中进行虚拟三维重建,并在手术中验证.教学后进行理论测试和自我评价.结果 教学前基线分数为(54.1±5.2),教学后为(68.6±5.1)(P<0.001).主要失分题目为肺动脉、静脉的判断.经过教学后,学员可以在胸部平扫薄层CT上辨别肺亚段动静脉.双肺下叶静脉和支气管是教学的难点.学员自我评价肺血管三维重建较传统CT教学效果更好,学习更快.结论 采用三维重建方法可以提高学员CT阅片水平和对手术的理解,值得进一步推广.
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