Surgical prostate resection using Aquablation showed noninferior symptom relief compared to transurethral prostate resection but with a lower risk of sexual dysfunction. Larger prostates (50 to 80 ml) demonstrated a more pronounced superior safety and efficacy benefit. Longer term followup would help assess the clinical value of Aquablation.

Expenses associated with instrument repair can significantly impact a procedure's net revenue, thus efforts should be made to minimize instrument breakage. The expense of repairing a flexible ureteroscope per procedure can be significant and needs to be considered when pricing this procedure.

The established treatment for ureterointestinal anastomotic strictures is open surgical revision. In an effort to evaluate the efficacy of endourological surgery for this problem, we compared 7 patients (9 strictures) who underwent open revision to 6 patients (7 strictures) who underwent endoscopic incision and balloon dilation of the stricture. The success rate (that is patent ureter and no stent) was 89 per cent for the open revision group and 71 per cent (5 of 7) for the endoscopic group. All open revisions required use of general anesthesia, while 3 of the endoscopic procedures were performed with the patient under assisted local anesthesia. The endoscopic group had markedly shorter hospitalization, decreased blood loss, diminished patient discomfort and no postoperative complications. While the endoscopic procedure for ureteroileal anastomotic strictures is less successful than open revision, the lower morbidity, decreased cost and shorter hospital stay associated with the endourological approach favor its use over open revision. For elderly patients who fail initial endoscopic revision and for patients with metastatic transitional cell cancer, placement of an indwelling stent is a reasonable alternative. Given these guidelines, less than 30 per cent of the patients who suffer a ureteroileal anastomotic stricture will require open surgical revision.

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