하부신배석의 체외충격파쇄석술: 요석완전소실률과 하부신배의 해부학적 모양과의 관계
- Author(s)
- 윤재식; 박철희; 김천일; Jae Sik Yoon; Choal Hee Park; Chun Il Kim
- Keimyung Author(s)
- Park, Choal Hee; Kim, Chun Il
- Department
- Dept. of Urology (비뇨의학)
- Journal Title
- 대한비뇨기과학회지
- Issued Date
- 1999
- Volume
- 40
- Issue
- 10
- Abstract
- Purpose: We analyzed our experience to determine the influence of infundibulo-pelvoureteral angle, lower calyceal width and length in predicting the clearance of fragments after extracorporal shock wave lithotripsy(ESWL) for lower calyceal stone.
Materials and Methods: From October 1995 to April 1998, a retrospective analysis of 51 patients with a solitary radiopaque lower pole calyceal stone who underwent excretory urography(IVP) preoperatively were treated ESWL with a Storz Modulith SLX third generation.
Results: The overall stone-free rate was 54.9%. Stone-free status after ESWL was significantly related to each anatomical measurement. Of the stone-free and not stone-free groups, with the infundibulo-pelvoureteral angle 40 degree or greater 21 patients were found in stone-free groups(75%) and 5 patients in not stone-free groups(21.7%), with the infundibular width >5mm 22 patients were found in stone-free groups(78.6%) and 11 patients in not stone-free groups(47.8%) and with the infundibular length ≤30mm 16 patients were found in stone-free groups(57.1%) and 5 patients in not stone-free groups(21.7%), respectively.
Conclusions: We recommend that the 3 major radiographic features of the lower pole calix should be assessed during intravenous urography to facilitate the planning of treatment for lower calyceal stones.
Key word : SWL, Lower pole anatomy, Ston free-rate
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