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  • Title: The role of percutaneous transluminal dilatation in the treatment of transplant renal artery stenosis.
    Author: Whiteside CI, Cardella CJ, Yeung H, de Veber GA, Cook GT.
    Journal: Clin Nephrol; 1982 Feb; 17(2):55-9. PubMed ID: 6461462.
    Abstract:
    The assessment of percutaneous transluminal dilatation (PTD) as a new therapeutic approach for transplant renal artery stenosis (TRAS) was prompted by allograft loss following surgical treatment. Seventeen (7.0%) of 243 allograft patients had TRAS greater than 80% diagnosed by angiography. The outcome of PTD in 4 TRAS patients was compared to antihypertensive drugs alone in 5 and attempted surgical repair in 8. Patients receiving antihypertensive drugs alone required 3.2 drugs at optimal doses to maintain diastolic BP less than or equal to 90 mm Hg. Malignant hypertension developed in 1 non-compliant patient. Three of the 8 surgical repairs resulted in loss of functioning grafts due to postoperative renal artery thrombosis; the remaining 5 had substantial reduction in diastolic BP (pre 112 +/- 8 mm Hg, post 93 +/- 8 mm Hg, P less than .05). Four patients with main renal artery stenosis had successful, uncomplicated PTD with no graft loss, a significant reduction in diastolic BP (pre 108 +/- 10 mm Hg, post 88 +/- 5 mm Hg, P less than .05) and less antihypertensive drug requirement (pre 3.0 +/- .8 drugs, post 1.0 +/- .8 drugs, P less than .05). Restenosis occurred in 1 patient during the 6 to 10 month follow-up period. PTD compared favourably with conventional management of TRAS as a new therapeutic approach.
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