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Holmium:YAG laser를 이용한 요관경하쇄석술의 초기 경험 : 기존의 쇄석술과의 결과 비교
구경완,노용수,김홍섭,양상국,나공찬 건국대학교 의과학연구소 2003 건국의과학학술지 Vol.13 No.-
Purpose: Holmium:YAG lasertripsy for the 33 patients with lower ureteral calculi compared the outcome with other results using Lithoclast and ultrasonic lithotripsy. Materials and Methods: Thirty-three patients with symptomatic urinary calculi underwent Holmium:YAG lasertripsy from March 1999 to December 2000. Twelve patients were treated with Ultrasonic lithotripsy and twenty-one patients with Lithoclast lithotripsy from April 1997 to October 1999. All calculi of the above patients were located in their lower ureters. The size of ureter stones was ranged from 3.5 mm to 12 mm (mean 6.54 mm). Results: The age of the patients ranged was from 19 to 62 years (me~n 35.7 years). After a single ureteroscopic lasertripsy calculi were conlpletely cleared in 83 % of the cases for the patients with lower ureter calculi. The immediate complications of lasertripsy were gross hematuria, fever, and flank pain. However in the long term follow up (up to 3 months after the procedures) there were no further complications, such as, vesicoureteral reflux or ureteral stricture. In other two lithotripsies Lithoclast and Ultrasonic lithotripsy accomplished calculi were completely cleared in 71 % and 74 % of cases respectively. But Holmium:Y AG lasertripsy is cleared in 94 % effectiveness. Holmium:Y AG lasertripsy is more effective than two other methods compared by stratified analysis that unmasking from confounding factors such as impacted situation. Conclusions: Lasertripsy with Holmium:Y AG laser is considered effective and safe procedure for the lower urinary calculi lithotripsy (Ultrasonic, Lithoclast).
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