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Fifteen patients with nonfunctioning kidneys and complete main or segmental renal artery occlusion that was discovered on angiographic investigation for hypertension underwent renal artery revascularization. Renal blood flow was restored in all patients. Of these patients, 13 experienced excellent recovery of renal function, one patient had slight return of(More)
A diagnosis of paradoxical cerebral embolus (PCE) was made in five patients aged 31 to 62 years who sustained eight cerebral ischemic events. No patient had evidence of primary carotid system or left heart disease. A probe-patent foramen ovale was the presumed mechanism in four patients, and an unsuspected congenital atrial septal defect was found in the(More)
THIS follow-up study was undertaken to clarify the natural history of essential hypertension. Information of this type is indispensable to evaluation of therapy for this disease. Keith, Wagener, and Barker' in 1939 demonstrated the value of their classification of hypertensive changes in the retina as an aid to prognosis in hypertensive patients. However,(More)
Infrequently, when the aorta cannot be used for a standard renal bypass operation because of a previous aortic operation, severe degenerative atherosclerosis or complete aortic thrombosis, a unilateral (hepatic) or bilateral (hepatic and splenic) visceral bypass should be contemplated. Patients with abdominal aortic aneurysms extending above the renal(More)
A total of 97 patients underwent 107 renal revascularization procedures for restoration and preservation of renal function. Of the 4 groups of high risk surgical patients that emerged an overall successful outcome was achieved in 83%, with a 6% mortality rate and an 11% morbidity rate. Renal revascularization for restoration and preservation of renal(More)
Seventy-five patients with renal artery stenosis were studied; 50 patients had unilateral lesions and 25 had bilateral lesions. Divided renal vein renins and peripheral renins were collected under strict salt intake, drug intake, and postural conditions. Divided renal vein renin ratios and a scoring system that included peripheral renin and affected and(More)
The sudden development of cyanotic lesions on the feet may be a result of atheroembolic disease or a number of medical conditions. A careful history and physical examination, basic laboratory tests, and noninvasive vascular assessment usually distinguish between medical and surgical causes and direct the choice of further investigations. Specific therapy is(More)