PMID: 8586943Jan 1, 1995Paper

Aneurysms of the renal artery

Journal des maladies vasculaires
M Lacombe

Abstract

A retrospective study of the patients operated on for renal artery aneurysm by a single surgeon during a 30-year period was undertaken. The author's experience amounts to 123 patients of whom 74 were females (60%) and 49 males (40%). The average age of the patients was 42.8 years. Preoperative investigations included usual tests of renal function, radiological investigations (fig. 4 and 5) and especially renal arteriography and study of the repercussions of arterial hypertension when present. In most cases (90%) these aneurysms were of fibrodysplastic origin. Acquired or postoperative aneurysms accounted for only 10% of cases. Dysplastic aneurysms are usually saccular with a fibrous neck and are located at or near an arterial bifurcation (fig. 1); they may have a very thin wall that explains the possible occurrence of rupture; intrasaccular thrombosis is very rare and so are embolies in the kidneys. Associated lesions are present in about two thirds of the patients (table I) and require a complete evaluation before surgery: lesions of the renal artery (segmental stenosis or diffuse fibromuscular hyperplasia) are the most frequent (fig. 2 and 3); other arteries either in the abdomen (aorta, splenic) or in distant territories (ca...Continue Reading

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