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ORIGINAL ARTICLE
Year : 2019  |  Volume : 11  |  Issue : 1  |  Page : 46-52

Outcome following renal autotransplantation in renal artery stenosis


1 Department of Urology, Dr. D. Y. Patil Medical College, Pune, Maharashtra, India
2 Department of Urology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India
3 Department of Urology, Vedanayagam Hospital, Coimbatore, Tamil Nadu, India

Correspondence Address:
Dr. Umesh Ravikant Shelke
Department of Urology, 8th Floor, MSB Building, Seth GS Medical College and KEM Hospital, Parel, Mumbai . 400 012, Maharashtra
India
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DOI: 10.4103/UA.UA_39_18

PMID: 30787570

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Introduction: With significant advances in the area of interventional radiology, angioplasty and stenting have become preferred first-line treatment in patients with significant renal artery stenosis. However, not all patients have favorable anatomy to undergo minimally invasive treatments, and reconstruction of the renal artery is an option. In select cases, either improved renal function or maintenance of existing function and sometimes resolution of hypertension can follow surgical treatment. Material and Methods: This was a prospective observational study conducted from August 2010 to June 2016. Patients <45 years of age with uncontrolled hypertension secondary to renovascular hypertension (RVH) and refractory to medical management and renal arterial disease unfavorable for percutaneous intervention were included in the study. All patients were evaluated thoroughly using computed tomography angiography and diethylenetriaminepentaacetic acid renal scan. Patients underwent autotransplantation either into the right or left iliac fossa. Some kidneys required bench reconstruction of the renal artery and/or its branches before being implanted into either iliac fossa. Results: Nine patients were included in the study. The mean age was 27 years. Seven were males and two were females. Five patients had bilateral renal artery stenosis. After autotransplantation, initially five patients became free of antihypertensive medicines, but on the follow-up, two patients showed rising trend of blood pressure. The evaluation revealed narrowing at anastomosis site in both patients with salvageable kidney function in one patient. Angioplasty with stenting was done in this patient while the second patient underwent secondary nephrectomy. At 2 years of follow-up, four patients required no antihypertensive medicines. Conclusion: Autotransplantation can be a successful treatment of severe RVH and should be considered in patients with renal arterial disease unfavorable for percutaneous intervention.


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