Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?

Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?
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DOI:
10.3389/fsurg.2017.00057
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发表时间:
2017
影响因子:
1.8
通讯作者:
Ghani KR
Ghani KR
中科院分区:
医学4区
文献类型:
--
作者:
Aldoukhi AH;Roberts WW;Hall TL;Ghani KR

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用于输尿管镜检查(URS)的现代钬激光系统为用户提供了一系列设置,即脉冲能量(PE)、脉冲频率(Fr)和脉冲宽度(PW)。这些变量允许外科医生在URS碎石术中选择对结石破碎有特定影响的不同组合。接触式激光碎石术可以使用碎片或除尘设置进行。破碎采用低Fr和高PE的设置来破碎结石,然后用回收装置取出结石。除尘是利用高Fr和低PE设置将结石破碎成亚毫米级碎片,以便自发通过,而无需回收网篮。在碎石术期间使用长PW模式可以减少结石后移,并且越来越多地用于新一代激光器。在非接触式激光碎石术期间,结石碎片在激光脉冲中在肾盏中被快速粉碎,这导致结石破碎成细小碎片。在这篇综述中,我们讨论了不同的钬激光设置对碎石的影响,以及在一个非常不断发展的领域的临床意义。
Modern day holmium laser systems for ureteroscopy (URS) provide users with a range of settings, namely pulse energy (PE), pulse frequency (Fr), and pulse width (PW). These variables allow the surgeon to choose different combinations that have specific effects on stone fragmentation during URS lithotripsy. Contact laser lithotripsy can be performed using fragmentation or dusting settings. Fragmentation employs settings of low Fr and high PE to break stones that are then extracted with retrieval devices. Dusting is the utilization of high Fr and low PE settings to break stones into submillimeter fragments for spontaneous passage without the need for basket retrieval. Use of the long PW mode during lithotripsy can reduce stone retropulsion and is increasingly available in new generation lasers. During non-contact laser lithotripsy, stone fragments are rapidly pulverized in a calyx in laser bursts that result in stones breaking into fine fragments. In this review, we discuss the effect of different holmium laser settings on stone fragmentation, and the clinical implications in a very much evolving field.
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