Percutaneous transluminal angioplasty in renal transplant arterial stenosis for relief of hypertension.

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Abstract
Seven hypertensive patients underwent percutaneous transluminal angioplasty (PTA) for relief of arterial stenosis complicating renal allotransplantation. Four had end-to-end anastomosis of the donor renal artery to the recipient hypogastric artery; all PTA were successful. Three patients had end-to-side anastomosis of the donor renal artery to the recipient external iliac artery; 2/3 PTA were successful. Prior to PTA, all patients were using several antihypertension medications. Following successful PTA, the mean blood pressure fell from 190 .+-. 10/120 .+-. 5 to 132 .+-. 16/86 .+-. 9 mm Hg (P < 0.01) and remained at that level for up to 6 mo. (average follow-up 2.85 mo.) with decreased or no antihypertension medications. Since surgical correction of arterial stenosis is difficult and may endanger the transplant kidney, PTA should be attempted first.