• M Costa and J V Robbs.
• Br J Surg. 1986 Jul 1; 73 (7): 554558554-8.

AbstractWith exclusion of vascular trauma 2182 patients (1302 black and 880 white) have been treated in our Vascular Service over a period of 3 years. Sixty black patients (4.6 per cent) and 260 white patients (29.5 per cent) presented with aneurysms of the aorta and its abdominal branches. The aneurysms in the black group were distributed as follows: 50 aortic (9 suprarenal, 41 infrarenal), 6 common iliac artery, 2 superior mesenteric and 2 renal artery aneurysms. None of the 260 aneurysms seen in white patients involved arteries other than the aorta (16 suprarenal, 244 infrarenal). In the black group there was an almost equal distribution among sexes, whereas in the white group there was a male to female ratio of 2:1. The mean age was 49.4 years among the black patients, and 67.1 years among the white patients. Surgery was performed on 47 black patients and 245 white patients. Among the black patients 16 aneurysms were atherosclerotic (34 per cent), 22 were of non-atherosclerotic origin (47 per cent) and 9 were of uncertain nature (19 per cent). Of the 22 non-atherosclerotic aneurysms 14 were due to non-specific aorto-arteritis, 4 were due to tuberculous arteritis, 2 were due to intimomedial mucoid degeneration, 1 was due to syphilitic aortitis and 1 was a mycotic aneurysm. In the white group 243 aneurysms were atherosclerotic and 2 had changes of intimomedial mucoid degeneration. All aneurysms were treated along standard surgical lines, antituberculous treatment was initiated when appropriate. It was concluded that abdominal aneurysm is an uncommon disease in black patients. When it occurs a more heterogeneous pathology can be expected with an unusually high prevalence of aorto-arteritis compared with the white population.

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