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MINERVA UROLOGICA E NEFROLOGICA

A Journal on Nephrology and Urology


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Minerva Urologica e Nefrologica 2015 Oct 16

Copyright © 2015 EDIZIONI MINERVA MEDICA

language: English

Ho:YAG Laser Endopyelotomy is effective for primary and secondary UPJOs

Feng C. C. 1, Dong G. 2, Hang Z. 3, Jiang H. 1, Ding Q. 1, Zhang Y. 1, Wu Z. 1

1 Department of Urology, Huashan Hospital, Fudan University, 12 Central Urumqi Rd, Shanghai, PR China; 2 Department of Urology, Tengchong People’s Hospital, 139 Minghe block of Tiancheng community, Tengchong county, Baoshan, Yunnan province, PR China; 3 Department of Urology, Liyang People’s Hospital, Liyang, PR China


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PURPOSE: To assess efficacy of laser endopyelotomy in both primary and secondary ureteropelvic junction obstructions (UPJOs).
PATIENTS AND METHODS: Primary category consisted of 10 patients of congenital UPJOs. Secondary category was comprised of UPJOs in 12 status post pyeloplasty, 10 status post lithotomy, 5 status post shock wave lithotripsy, and 10 status post ureteroscopic lithotripsy. Ho:YAG laser endopyelotomy was performed in all subjects. Exclusion criteria included obstructions longer than 2 cm, ipsilateral upper urinary calculi and crossing vasculature.
RESULTS: Mean operation time was 44 min. Average inpatient duration was 1.87 days. No major complication occurred. Follow-ups were at least 12 months. Success rate for single endopyelotomy was 82.5%, leaving 7 patients for a secondary endopyelotomy. Secondary UPJO due to failed pyeloplasty had a predilection of restenosis after endopyelotomy (P = 0.0005) compared to other aetiologies.
CONCLUSIONS: Ho:YAG laser endopyelotomy is a safe and effective approach effective in both primary and secondary UPJO treatments.

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