International urology and nephrology · 2021
Ureteral reconstruction for complex strictures: a review of the current literature.
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Bilotta Alyssa, Wiegand Lucas R, Heinsimer Kevin R
Аннотация
PURPOSE: Frequently employed procedures for ureteral reconstruction include balloon dilation, pyeloplasty and ureteral re-implants. However, these procedures do not work for complex ureteral disease. The goal of this literature review is to report on techniques and success rates for the following techniques: buccal graft ureteroplasty, appendiceal interposition, transureteroureterostomy, ileal ureter and autotransplantation.
METHODS: A comprehensive literature search for English-language original and review articles was conducted using PubMed. The following terms were queried: "ureteral reconstruction", "buccal graft", "appendiceal interposition", "ileal ureter", "transureteroureterostomy", "autotransplantation".
RESULTS: Procedures involving the buccal mucosa or appendix offer minimally invasive techniques and low morbidity with good short-term success. Drawbacks to appendiceal interposition include the availability and length of appendix, and 10-20% of patients may have insufficient appendix upon intra-operative assessment. Transureteroureterostomy is typically limited to extensive exonerations due to concerns of injury to the contralateral kidney, even with reported success rates > 90%. Ileal ureter may carry a risk of metabolic acidosis in patients with renal insufficiency along with bowel-related complications. Ileal ureter and autotransplantation are reserved for the most severe cases due to their high morbidity but do offer options for the complex patient.
CONCLUSION: Ureteral stricture disease not amenable to pyeloplasty, ureteroureterostomy or ureteroneocystostomy offers a challenge to urologist. Careful patient selection with pre-operative assessment of renal and bladder is vital to a successful operation with minimal complications.
METHODS: A comprehensive literature search for English-language original and review articles was conducted using PubMed. The following terms were queried: "ureteral reconstruction", "buccal graft", "appendiceal interposition", "ileal ureter", "transureteroureterostomy", "autotransplantation".
RESULTS: Procedures involving the buccal mucosa or appendix offer minimally invasive techniques and low morbidity with good short-term success. Drawbacks to appendiceal interposition include the availability and length of appendix, and 10-20% of patients may have insufficient appendix upon intra-operative assessment. Transureteroureterostomy is typically limited to extensive exonerations due to concerns of injury to the contralateral kidney, even with reported success rates > 90%. Ileal ureter may carry a risk of metabolic acidosis in patients with renal insufficiency along with bowel-related complications. Ileal ureter and autotransplantation are reserved for the most severe cases due to their high morbidity but do offer options for the complex patient.
CONCLUSION: Ureteral stricture disease not amenable to pyeloplasty, ureteroureterostomy or ureteroneocystostomy offers a challenge to urologist. Careful patient selection with pre-operative assessment of renal and bladder is vital to a successful operation with minimal complications.