盖子尺寸是否重要:在各种连续流动内镜中对流量和压力的基板比较
Vishnuvardhan Ganesan1, Michael Borofsky1, Deepak Agarwal2
1Department of Urology, University of Minnesota, 420 Delaware St. Se. MMC 394, Minneapolis, MN, 55455, USA.
World journal of urology
|October 10, 2024
概括
在Storz 28/26Fr内镜外套提供了最好的灌外流和最低的静脉压力在一个长板研究. 较小的外尺寸减少了流量和增加了压力,指导了未来对激光核化程序的选择.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 手术技术 手术技术
- 医疗器械 医疗器械
背景情况:
- 激光无核化在程序期间使用专门的内镜进行稳定和连续流动.
- 之前的研究还没有评估不同内镜和外尺寸对灌外流和腹腔内压力的影响.
- 了解这些参数对于优化手术条件和患者结果至关重要.
研究的目的:
- 评估各种内镜和外尺寸组合对灌外流的影响.
- 在模拟过程中评估不同外配置对内压力的影响.
- 提供数据驱动的洞察力,用于在激光核化中选择最佳的外尺寸.
主要方法:
- 在这项研究中,使用了带有膀的长板模型.
- 测试了五种外部/内部外组合 (Storz 28/26Fr,Storz 26/26Fr,Wolf 26/24Fr,Wolf 26/22Fr,Wolf 24/22Fr) 进行了测试.
- 用尿动力学传感器测量肠道压力,用尿流量测量装置量化输出,进行4次1分钟试验.
主要成果:
- 斯托尔兹28F外/26F内表现出最高的外流量 (12.4±0.5毫升/秒).
- 沃尔夫24F外部/22F内部表现出最低的外流量 (7.0 ± 0.0毫升/秒).
- 斯托尔兹28/26组合导致稳定状态膀压力最低 (1.5±1.7厘米H2O),而斯托尔兹26/26显示最高 (24.2±1.9厘米H2O).
结论:
- 在本次基板研究中,Storz 28/26罩组合产生了最佳的外流和最低的静脉压力.
- 观察到一个总体趋势,即流量下降,尺寸更小.
- 腹腔内压力的增加与外围和内膜大小之间的差异较小相关,这表明外科可视化和无效试验的含义.
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