This investigation provides the first population-based estimate of the prevalence of RVD among free-living, elderly black and white Americans. RVD was present in 6.8% of the study cohort. RVD showed no association with ethnicity. However, its presence was significantly and independently associated with increasing age, low high-density lipoprotein cholesterol levels, and increasing systolic blood pressure.

These data suggest that three very preventable or treatable conditions-hypertension, smoking, and prevalent vascular disease, which are associated with large and small vessel disease-are highly associated with clinically important changes in renal function in an older population.

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RAAs were repaired with low morbidity and mortality. Complex branch RAA repair using cold perfusion preservation and ex vivo techniques resulted in no unplanned nephrectomy, with an estimated primary patency of 96% at 48 months. Beneficial blood pressure response was observed in the majority of hypertensive patients. These results support selective surgical management of RAA.

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