Thermal effect of holmium laser lithotripsy under ureteroscopy

[...]this study monitored the temperature changes of the lavage fluid in the operative field during the actual holmium laser lithotripsy process under an ureteroscope, with the aim of providing more information for the etiology study of ureteral stricture after ureteroscopy with holmium laser lithot...

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Veröffentlicht in:Chinese medical journal 2019-08, Vol.132 (16), p.2004-2007
Hauptverfasser: Wang, Xin-Kun, Jiang, Zhi-Qiang, Tan, Jing, Yin, Guang-Ming, Huang, Kai
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Sprache:eng
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Zusammenfassung:[...]this study monitored the temperature changes of the lavage fluid in the operative field during the actual holmium laser lithotripsy process under an ureteroscope, with the aim of providing more information for the etiology study of ureteral stricture after ureteroscopy with holmium laser lithotripsy. (3) Clearance of the calculi: a 550-μm optical fiber was inserted through another operation channel of the ureteroscope, and the corresponding power was set to crush the calculi (the power setting and all operations in the surgery were determined by the surgeon according to the surgical situation and were not influenced by this study). [...]the corresponding incidence of postoperative ureteral stricture is also increasing. [...]how to effectively prevent the occurrence of ureteral stricture after ureteroscopy with holmium laser lithotripsy is an issue that is attracting increasing attention by clinical physicians. According to the specific heat capacity of water, 1 J of energy can raise the temperature of 1 mL of water by 0.24°C.[3] Therefore, in such a relatively small closed space, repetitive excitation of the holmium laser is very likely to cause the water temperature in the working area to increase sharply, thereby resulting in the possibility of thermal damage to the ureteral wall.
ISSN:0366-6999
2542-5641
DOI:10.1097/CM9.0000000000000300