脉冲持续时间可改变的激光尿路光学光三对上尿路结石的影响
Hideo Otsuki1, Hironori Kojima1, Tomohiro Hongo1
1Department of Urology, Abiko Toho Hospital Abiko, Chiba 270-1166, Japan.
American journal of clinical and experimental urology
|August 30, 2023
概括
与传统的固定脉冲激光相比,一种可改变脉冲持续时间的新型霍尔-YAG (Ho:YAG) 激光改善了尿道镜性石 (URSL) 后的无石头率 (SFR). 这一进步为患有上泌尿道结石的患者提供了更好的结果.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 激光光电三症是什么意思
- 医疗技术 医疗技术 医学技术
背景情况:
- 尿道镜性石 (URSL) 是一种常见的上泌尿道结石手术.
- 传统的荷-YAG (Ho:YAG) 激光器具有固定的脉冲持续时间被广泛使用.
- 优化激光参数可能会增强石块的碎片化和清除.
研究的目的:
- 为了比较脉冲持续时间可变的Ho:YAG激光器与常规固定脉冲Ho:YAG激光器的有效性.
- 评估对上尿路结石 (≥9毫米和<30毫米) 后无结石率 (SFR) 的影响.
主要方法:
- 对接受URSL治疗的患者病历的回顾性分析.
- 两组:传统的Ho:YAG激光器 (C组,n=228) 和可以改变脉冲持续时间的Ho:YAG激光器 (A组,n=188).
- 使用标准化激光设置 (0.8 J,10 Hz) 和272μm光纤;使用提取方法进行主动碎片化.
主要成果:
- 与常规组相比,可变脉冲持续时间组 (A组80.3%) 的SFR显著更高 (C组71.5%;P=0.035).
- 多变量分析表明,传统的激光使用与残留石碎片 (非SFR) 的可能性更高 (OR 1.090,P = 0.040).
- 手术时间和手术后发烧性尿路感染率在两组之间是可比的.
结论:
- 可改变脉冲持续时间的Ho:YAG激光在URSL后实现更高的SFR方面表现出卓越的性能.
- 这项技术比传统的固定脉冲Ho:YAG激光系统更为先进,用于治疗上尿路结石.
- 这些发现表明,可调节的脉冲持续时间可能是优化激光石术结果的关键因素.
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