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Selective Arterial Embolization for Pseudoaneurysms and Arteriovenous Fistula of Renal Artery Branches Following Partial Nephrectomy.
MedLine Citation:
PMID:  21496835     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: We describe the presentation, endovascular management and functional outcomes of 15 patients with renal arterial pseudoaneurysm following open and laparoscopic partial nephrectomy. MATERIALS AND METHODS: An institutional review board approved, Health Insurance Portability and Accountability Act compliant retrospective review of a prospectively maintained database revealed that 7 of 1,160 patients who underwent open partial nephrectomy and 8 of 301 treated with laparoscopic partial nephrectomy were diagnosed with a pseudoaneurysm of a renal artery branch between 2003 and 2010. Some cases were associated with arteriovenous fistula. RESULTS: Diagnosis of pseudoaneurysm was made a median of 14 days after surgery. Gross hematuria was the most frequent symptom. Median estimated glomerular filtration rate measurements at the preoperative evaluation, postoperatively, on the day the vascular lesion was diagnosed, after embolization and at the last followup were 62, 55, 55, 56 and 58 ml/minute/1.73 m(2), respectively. Median followup was 7.8 months. All patients underwent angiography and superselective coil embolization of 1 or more pseudoaneurysms with or without arteriovenous fistula. Eleven patients had immediate cessation of symptoms while 4 had persistent gross hematuria after the procedure. Of these 4 patients 2 were treated with bedside care, 1 required repeat embolization with thrombin, which was successful, and the remaining patient had coagulopathy and underwent radical nephrectomy for persistent bleeding. CONCLUSIONS: Pseudoaneurysms and arteriovenous fistulas of the renal artery are rare complications of partial nephrectomy. Presentation is often delayed. Superselective coil embolization is a safe, minimally invasive treatment option that usually solves the clinical problem and preserves renal function.
Authors:
Tarek P Ghoneim; Raymond H Thornton; Stephen B Solomon; Ari Adamy; Ricardo L Favaretto; Paul Russo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-13
Journal Detail:
Title:  The Journal of urology     Volume:  -     ISSN:  1527-3792     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376374     Medline TA:  J Urol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved.
Affiliation:
Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York.
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