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Urol Ann. 2018 Oct-Dec;10(4):369-374. doi: 10.4103/UA.UA_5_18.

Use of ileum for complex ureteric reconstruction: Assessment of long-term outcome, complications, and impact on renal function.

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1
Department of Urology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India.

Abstract

Introduction:

Defect in ureteral continuity can be due to various etiologies. The surgical options for management of complex long-segment ureteric defects are limited. Use of ileum is indicated in these cases; however, the technique is challenging and outcomes need to be assessed in detail.

Material and Methods:

It is an observational study conducted over 4 years. After preoperative optimization, ureteric reconstruction was performed using standard techniques of ileal interposition in cases of unilateral and bilateral long-segment ureteric defects. Patients were followed up at regular interval to assess outcomes and see for complications.

Results:

A total of 14 patients were studied. Two most common indications for performing ileal ureter were iatrogenic injury and radiation-induced strictures (5-5 cases). Most common site of ureteric involvement was lower and midureter seen in 6 cases. The mean length of the ileum used was 11.2 cm. Mean preoperative nadir creatinine level was 1.57 mg/dL in this study. Average postoperative creatinine level at 4-week follow-up was 1.75 mg/dL and 1.45 mg/dL and 1.37 mg/dL, at 3 and 12 months, respectively. The most common short-term complication was paralytic ileus and long-term complication was recurrent urinary tract infection UTI. There was no mortality.

Conclusion:

Ileal ureter is found to be relatively easy and safe surgery even in patients with borderline high creatinine. There was no worsening of renal function attributable to the conduit in this study. In patients with limited surgical options, it is a suitable alternative, rather than keeping patient on permanent percutaneous nephrostomy or regular stent change. Metabolic acidosis and mucous-associated complications such as pain, infection, and stone formation can be minimized by adherence to strict protocol.

KEYWORDS:

Complex ureteral defects; ileal interposition; ileal ureter

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