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激光指导提高了CT指导干预的精度和第一通成功率:多中心随机试验

Liu Li¹, He Chuang¹, Wang Zhe²

¹Department of Nuclear Medicine (Treatment Center of Minimally Invasive Intervention and Radioactive Particles), First Affiliated Hospital of Army Medical University, Chongqing, China.

Academic radiology

|February 8, 2026

概括

与自由手方法相比,挂在吊架上的激光引导显著提高了计算机断层扫描 (CT) 引导的针刺穿精度和胸腹部病变的成功率. 这种低成本的技术提供了一个有效的替代方案,而不会增加程序时间或风险.

科学领域:

医学成像和干预性放射学
手术导航技术手术导航技术

背景情况:

自由手计算断层扫描 (CT) 引导的穿皮针刺穿的准确性有限,特别是在小型或具有挑战性的胸腹部病变中.
吊架上装的激光导航通过将计划轨迹投射到患者身上,为电磁或机器人系统提供了具有成本效益的替代方案.

研究的目的:

评估激光引导是否与传统的自由手技术相比,提高了CT引导穿孔的准确性和效率.

主要方法:

进行了一项多中心随机试验,涉及170名患有胸部或腹部病变 (≥10mm) 的成年人.
参与者被分配到激光引导干预 (n=85) 或自由手控制 (n=85) 中.
主要终点:成功的病变接入 ≤2针重新定位;次要终点:针尖错误,CT扫描数量,穿孔时间和并发症.

主要成果:

激光引导显著增加了成功穿孔率 (91.4%与37.3%,P<.001),并减少了平均准误差 (2.1±0.9毫米与3.5±0.8毫米,P<.001).
需要使用激光引导进行的确认性CT扫描较少 (4.1±2.1对比4.9±2.4,P=.014).
穿孔持续时间和主要并发症发生率在各组之间相似.

结论:

吊架上装的激光引导大大提高了CT引导胸腔腹腔穿刺的第一通成功率和精度.
它提供了一种高效,低成本的替代自由手技术,而不会增加程序时间或风险.

关键词:

通过CT指导的穿孔.第一次通过成功的成功.激光指导是指导激光的指导方式.随机化试验是指随机化的试验.目标准确性的目标准确性

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