Nephrology Dialysis Transplantation, Vol 14, Issue 1 105-108, Copyright © 1999 by Oxford University Press
W Metcalfe, A Reid and C Geddes
Background: Recognition of the possible presence of
atherosclerotic renal artery disease (ARAD) is important because of its
progressive nature, and because of the potential for precipitating an acute
deterioration in renal function by administration of angiotensin-converting
enzyme inhibitors. The aim of this study was to identify the prevalence of
ARAD in patients undergoing peripheral angiography and its relationship to
the extent of their peripheral vascular disease (PVD).
Methods: The reports of the 218 patients who underwent
peripheral angiography to investigate PVD in one centre in a calendar year,
and in whom it was possible to image the renal arteries, were analysed
retrospectively. The presence of atherosclerotic disease in the renal,
aortic, iliac, femoral and distal areas was recorded for each patient.
Results: The prevalence of ARAD was 79/218 (36.2%).
The greater the number of atherosclerotic areas of the arterial tree, the
higher the prevalence of ARAD. Patients with aortic disease and bilateral
iliac, femoral and distal vessel disease had the highest incidence of ARAD
19/38 (50%). The incidence of ARAD in those with femoral artery
atherosclerosis was significantly higher than in those without femoral
artery atherosclerosis (42.1% compared with 9.7%, P=0.001
&khgr;2). There was no significant difference in
those groups with or without iliac and distal disease. None of the 11
patients with normal femoral and iliac arteries had ARAD.
Conclusions: Renal artery atherosclerosis is a common
occurrence in patients with PVD. If extensive PVD is recognized during
aortography, a high flush should be considered to examine the renal
arteries, if they are not included in the main study. Key
words: atherosclerosis; arteriography; peripheral vascular
disease; prevalence; renal artery
ORIGINAL ARTICLES
Prevalence of angiographic atherosclerotic renal artery disease and its relationship to the anatomical extent of peripheral vascular atherosclerosis
Renal Unit and Department of Radiology, Glasgow Royal Infirmary, Glasgow, UK; Corresponding author at: Department of Medicine and Therapeutics, Polwarth Building, Foresterhill, Aberdeen AB25 2ZD, UK
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