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  • Title: [The surgical treatment of renovascular hypertension in subjects with a single kidney].
    Author: Ghilardi G, Longhi F, Bortolani E, Giuffrida GF, Vandone PL, Negri L.
    Journal: Minerva Chir; 1993 May 15; 48(9):465-70. PubMed ID: 8355875.
    Abstract:
    Renovascular hypertension in subjects with a solitary kidney, though an infrequent condition, requires surgical direct revascularization procedures either to reduce the hypertensive state and, more important, to preserve renal function. This paper reports a series of six surgically treated cases between 1982 and 1990, with at least two years follow-up. Preoperative renal function, as evaluated by BUN and blood creatinine, was reduced in 5 cases, the remaining one being normal. All subjects were hypertensive at admission: in four cases drug therapy was ineffective for restoring normal pressure values. All subjects had previously undergone surgical nephrectomy: in 3 cases for shrunk kidney, in 2 for failure of a previous attempt of renal revascularization, and one for renal tuberculosis. 3 subjects were concomitantly affected with abdominal aortic aneurysm, and one had previously undergone aortobifemoral bypass. Treatment of the concomitant aortic lesion and renal artery revascularization were carried out at the same operation. Operations performed were TEA of residual renal artery in 3 cases, prosthetic reconstruction in 2 and intraoperative transluminal angioplasty by Gruentzig balloon catheter in one. Over a two-year follow-up renal function remained good in 4 cases, while one subject required a second surgical revascularization due to late acute thrombosis of a previous aortorenal saphenous vein graft. Acute early postoperative renal failure occurred in one case and permanent haemodialysis was instituted. No deaths were recorded in this series.
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