Document Detail

Ureteropelvic junction obstruction secondary to crossing vessels-to transpose or not? The robotic experience.
MedLine Citation:
PMID:  19233419     Owner:  NLM     Status:  MEDLINE    
PURPOSE: We compared the surgical outcomes of robot assisted laparoscopic dismembered pyeloplasty in patients presenting with anterior crossing vessels with and without transposition of the crossing vessel. MATERIALS AND METHODS: A total of 107 patients with ureteropelvic junction obstruction underwent robot assisted laparoscopic dismembered pyeloplasty. Evaluation of surgical success was based on validated pain scores, diuretic renography and imaging results, including excretory urography, computerized tomography or ultrasound. RESULTS: Anterior crossing vessels were identified in 48 patients (44.9%) and vessels were transposed in 18 (37.5%) (group 1). No transposition was performed in 30 patients (62.5%) (group 2). Mean radiological followup was 52.9 weeks in group 1 and 65.3 weeks in group 2 (p = 0.181). Mean pain score on a scale of 10 was 0.82 in group 1 and 0.74 in group 2 (p = 0.917). A Whitaker test performed in 3 patients with persistent pain was negative. Preoperatively mean differential function on the affected side was 35.1% in group 1 and 36.9% in group 2 (p = 0.133). Half-time was calculated as a mean of 46.3 minutes in group 1 and 49.4 minutes in group 2 (p = 0.541). In groups 1 and 2 mean postoperative differential function improved to 41.1% and 40.9%, and mean half-time improved to 7.43 and 8.03 minutes, respectively (p = 0.491). A comparison of preoperative and postoperative differential function, and half-time in each group showed a statistically significant difference. The radiographic and symptomatic success rate was 100% with no open conversion and recurrence. CONCLUSIONS: Comparison of robot assisted laparoscopic dismembered pyeloplasty outcomes revealed similar success rates in terms of the change in symptoms and renal function in patients with or without anterior crossing vessel transposition. Transposition of crossing vessel should only be performed when the anatomical relation dictates and it should be an intraoperative decision.
Ugur Boylu; Mathew Oommen; Benjamin R Lee; Raju Thomas
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2009-02-23
Journal Detail:
Title:  The Journal of urology     Volume:  181     ISSN:  1527-3792     ISO Abbreviation:  J. Urol.     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-03-19     Completed Date:  2009-04-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376374     Medline TA:  J Urol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1751-5     Citation Subset:  AIM; IM    
Department of Urology, Tulane University School of Medicine, New Orleans, Louisiana, USA.
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MeSH Terms
Blood Vessels / abnormalities
Follow-Up Studies
Kidney Pelvis / blood supply*,  surgery*
Laparoscopy / methods*
Ureteral Obstruction / etiology*
Urologic Surgical Procedures / methods
Vascular Surgical Procedures
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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