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  • Title: Early complications of endoscopic treatment for superficial bladder tumors.
    Author: Collado A, Chéchile GE, Salvador J, Vicente J.
    Journal: J Urol; 2000 Nov; 164(5):1529-32. PubMed ID: 11025697.
    Abstract:
    PURPOSE: Bladder tumors are the second most common tumors of the genitourinary system. Approximately 80% of patients initially present with a superficial lesion, which is treated with transurethral resection. Although transurethral resection is a standard procedure, it is not morbidity-free. We assessed the early complications of transurethral resection for superficial bladder cancer and analyzed various factors that may contribute to its occurrence. MATERIALS AND METHODS: Between January 1979 and December 1996, 2,821 patients with superficial bladder cancer underwent transurethral resection at our center. We assessed intraoperative and immediate postoperative complications of the initial transurethral resection procedure, and correlated them with tumor characteristics. RESULTS: Of the 2,821 patients in our study 2,461 (87%) were male and 360 (13%) were female. Average age was 65 years (range 16 to 94). Of the 145 complications (5.1%) the most common were bleeding in 78 patients (2.8%) and bladder perforation in 36 (1. 3%). Perforation was extraperitoneal in 30 cases (83%) and intraperitoneal in 6 (17%). Conservative treatment and open surgery were done in 32 (89%) and 4 (11%) patients, respectively. We noted no case of tumor seeding. A repeat procedure was done in 77 patients (2.7%) with bleeding as the leading cause of repeat intervention in 65 (84%). Blood transfusion was required in 96 cases (3.4%). The incidence of complications significantly correlated with the size and number of tumors but there was no association with tumor stage, grade or location. CONCLUSIONS: The most common complication of transurethral resection for superficial bladder cancer is bleeding. Currently bladder perforation should be managed conservatively with a minimum risk of extravesical tumor seeding. Our results imply that tumor size and multiple tumor resection are associated with a higher complication rate.
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