统治者机器人支气管检查的诊断性能,带有和没有移动圆束CT支
Jingjing Chen1, Dakota McNierney1, Joe G Zein1
1Division of Pulmonary Medicine, Mayo Clinic, Phoenix, AZ, United States.
Lung cancer (Amsterdam, Netherlands)
|January 20, 2026
概括
将移动圆束CT (mCBCT) 添加到机器人辅助支气管镜 (RAB) 没有改善周围肺病变的诊断产量. 虽然mCBCT的手术时间较短,但它显著增加了辐射暴露,但没有减少并发症.
科学领域:
- 肺部病理学 肺部病理学
- 干预性放射学 干预性放射学
- 医疗成像医学成像
背景情况:
- 机器人辅助支气管镜 (RAB) 面临着由于CT-to-body分歧的局限性,影响了工具对损伤的对齐.
- 形束CT (CBCT) 集成,特别是移动CBCT (mCBCT) 集成到像MonarchTM这样的RAB系统中,对于外围肺损伤 (PPL) 活检没有得到充分研究.
- 这项研究解决了评估MonarchTM RAB与mCBCT或没有mCBCT的诊断性能的需要.
研究的目的:
- 为了比较单独使用MonarchTM RAB的诊断产量 (DY) 和并发症率,与用于PPL活检的MonarchTM RAB加上mCBCT进行比较.
- 调查mCBCT整合对手术持续时间和辐射剂量的影响.
- 测试mCBCT在PPL活检程序中改善DY的假设.
主要方法:
- 一个单一中心的回顾性研究包括2019年5月至2023年3月期间接受PPLRAB活检的成年患者.
- 患者被分为两个组:单独使用MonarchTM和 MonarchTM加mCBCT.
- 用严格的定义来评估诊断产量,并比较临床特征,结果,手术持续时间和并发症率.
主要成果:
- 在MonarchTM和MonarchTM加mCBCT组之间,没有发现诊断收益率 (70.9%与71.7%,p=0.976) 或并发症率 (7.3%与3.9%,p=0.291) 的显著差异.
- 蒙纳克TM加mCBCT组的治疗时间显著缩短 (69分钟比77分钟,p=0.002),但辐射剂量显著增加 (285.9mGy比7.4mGy,p<0.001).
- 调整后的分析表明mCBCT与改善DY (OR [95%CI]: 1.33[0.78-2.28]) 或减少并发症 (OR [95%CI]: 0.41 [0.13; 1.14]) 无关. 较大的结节大小与增加的DY相关.
结论:
- 将mCBCT添加到MonarchTM RAB中并没有显著提高PPL活检的诊断产量或降低PPL活检的并发症率.
- 虽然mCBCT的整合减少了手术时间,但却以显著增加辐射暴露为代价.
- 这些发现表明,目前的mCBCT整合在这种情况下对PPL活检结果没有令人信服的优势.
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