Journal
KIDNEY INTERNATIONAL
Volume 59, Issue 4, Pages 1480-1483Publisher
BLACKWELL SCIENCE INC
DOI: 10.1046/j.1523-1755.2001.0590041480.x
Keywords
atherosclerosis; end-stage renal failure; renal replacement therapy; peripheral vascular disease; revascularization; hypertension; cardiovascular disease
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Background. Renal artery stenosis (RAS) is frequently encountered as an incidental finding in peripheral vascular disease. We assessed whether revascularization is indicated to prevent the practical consequences of end-stage renal failure, that is, the need for renal replacement therapy. Methods. In a retrospective study, a cohort of consecutive patients was followed who had undergone angiography 8 to 10 years previously for peripheral artery disease. Patients with untreated incidental RAS of greater than or equal to 50% diameter stenosis (68.8 +/- 9.8 years, mean +/- SD) were compared with regard to the prevalence of renal replacement therapy to controls without RAS who were matched for age and gender. Results. RAS was present in 126 of 356 evaluable patients (33%). None of these patients required renal replacement therapy during the 10-year follow-up. Serum creatinine values remained stable during follow-up. Conclusions. Incidental RAS is frequently seen in patients with peripheral vascular disease. If left untreated, incidental RAS seems not to result in end-stage renal failure or in a need for renal replacement therapy. Revascularization with the aim to prevent end-stage renal failure seems less indicated, and further prospective studies are indicated to elucidate this issue.
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