Document Detail


Screening for renal artery stenosis in patients with aorticoiliac occlusive disease.
MedLine Citation:
PMID:  19003743     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: The prevalence of atherosclerotic renal artery disease has increased with improved life expectancy. Because renal artery stenosis is a potentially correctable cause of hypertension and ischemic nephropathy, early identification of this entity may lead to proper hypertension control and improved renal function and survival. The aim of this study was to determine the prevalence and patterns of subclinical renal artery stenosis in patients with aorticoiliac atherosclerosis.
PATIENTS AND METHODS: The abdominal angiographies of 44 patients with high-grade aorticoiliac occlusive disease (> 70% stenosis) were reviewed for evidence of renal artery stenosis. This was compared to a group of 20 patients with mild-to-moderate aorticoiliac disease (< 70% stenosis). These patients had no history of renal artery disease or renal failure.
RESULTS: In patients with high-grade aorticoiliac occlusive disease, renal artery stenosis was found in 25 patients (56.8%); 13 with unilateral (29.5%) and 12 (27.3%) with bilateral involvement. A hemodynamically significant stenosis (> 50%) was found in 11 patients (25%), one of whom had bilateral stenosis (2.3%). High-grade renal artery stenosis (> 70%) or complete arterial occlusion was noted on seven sides (7.9%). The most common sites of stenosis were the origin and first centimeter of the renal artery. In patients with mild-to-moderate aorticoiliac disease, renal artery stenosis was found in two patients (10%).
CONCLUSIONS: The present study revealed that subclinical renal artery disease may be present in more than half of the patients with high-grade aorticoiliac atherosclerosis highlighting the need for proper risk stratifications and screening programs. Based on our results, we suggest that examination of the renal arteries in these patients may be necessary in order to delay or prevent complications. Additionally, such information may have important therapeutic implications in planning reconstructive vascular surgeries or percutaneous angioplasties.
Authors:
A Shakeri; M Shoja; R S Tubbs; M Loukas; M Ardalan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  VASA. Zeitschrift für Gefässkrankheiten     Volume:  37     ISSN:  0301-1526     ISO Abbreviation:  VASA     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-11-12     Completed Date:  2009-01-09     Revised Date:  2012-10-19    
Medline Journal Info:
Nlm Unique ID:  0317051     Medline TA:  Vasa     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  333-7     Citation Subset:  IM    
Affiliation:
Department of Radiology, Tabriz University of Medical Sciences, Tabriz, Iran.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Angiography*
Aortic Diseases / physiopathology,  radiography*
Arterial Occlusive Diseases / physiopathology,  radiography*
Female
Hemodynamics
Humans
Iliac Artery / physiopathology,  radiography*
Male
Mass Screening / methods*
Middle Aged
Predictive Value of Tests
Renal Artery Obstruction / physiopathology,  radiography*
Retrospective Studies
Severity of Illness Index

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


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