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Effects of Different 980‐nm Diode Laser Parameters in Hepatectomy

机译:不同的980 nm应承担的二极管激光器参数的影响在肝切除术

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摘要

Background and Objective Despite the successful application of laser in animal experiments and clinics, the adjustment of laser parameters during surgery is still unclear. This study aimed to investigate the effect of different 980‐nm diode laser parameters in hepatectomy. This could provide a clear protocol for using 980‐nm diode laser in hepatectomy. Study Design/Materials and Methods In total, 48 Sprague–Dawley rats were used to explore the effects of different 980‐nm diode laser parameters in hepatectomy, by setting different parameter combinations. The rats were randomly divided into eight groups, including the continuous wave group and quasi‐continuous wave group. The effects were assessed in terms of liver resection speed, extent of intraoperative bleeding, and thermal damage. Results In the quasi‐continuous wave group, there was a significant difference in resection speed at the different laser parameters ( P ??0.001); however, there was no significant difference in intraoperative bleeding and thermal damage. In the continuous wave group, there was a significant difference in resection speed, intraoperative bleeding, and thermal damage at different parameters. Conclusion The study showed that the average power determined hemostasis efficiency and thermal damage, and peak power determined the liver resection speed, whereas the pulse width and repetition frequency are not independent factors. When using 980‐nm diode laser in hepatectomy, the average power should be decreased to prove hemostasis efficiency in delicate operations, and the peak power should be decreased to accelerate the procedure without worsening thermal damage. Lasers Surg. Med. ? 2019 Wiley Periodicals, Inc.
机译:背景和目的尽管成功激光在动物实验中的应用诊所、激光参数的调整在手术过程中还不清楚。调查的影响不同的980 nm二极管激光器参数在肝切除术。提供一个清晰的协议使用980 nm二极管激光在肝切除术。方法总共48 Sprague-Dawley老鼠用于探索的影响不同的980 nm在肝切除术二极管激光器参数,通过设置不同的参数组合。随机分为8组,包括连续波组和准连续波组。肝切除的速度,术中出血和热损伤。准连续波应承担的组中,有一个在切除速度显著差异不同的激光参数(P & ? 0.001);然而,没有显著差异术中出血和热损伤。连续波组,有一个显著差异在切除速度,术中出血,和热损伤不同的参数。平均功率确定止血效率和热损伤和峰值功率肝切除的速度决定的,而脉冲宽度和重复频率独立的因素。激光在肝切除术,平均功率证明止血效率下降微妙的操作,峰值功率加速过程没有下降恶化的热损伤。2019年威利期刊、公司。

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