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  • Title: Initial experience with surrounding en bloc transurethral resection of bladder tumor and simultaneous intravesical treating for non-muscle invasive bladder cancer.
    Author: Teng L, Li C, Wang W, Li D.
    Journal: BMC Urol; 2022 Nov 23; 22(1):189. PubMed ID: 36419012.
    Abstract:
    PURPOSE: The high recurrence rate after traditional transurethral resection of bladder tumor (TURBT) remains a challenge for management of non-muscle invasive bladder tumor (NMIBC). The aim of this study was to evaluate feasibility, efficacy and safety of surrounding en bloc resection using a general wire bipolar loop electrode and simultaneous intravesical chemotherapy. METHODS: We retrospectively analyzed data of 111 consecutive patients with NMIBC treated from June 2018 to December 2021. These patients underwent conventional TURBT and immediate intravesical chemotherapy (n = 45) or surrounding en bloc TURBT and simultaneous intravesical chemotherapy in the Urology Department of Harbin Medical University Cancer Hospital, The former and latter were defined as the conventional TURBT group and the surrounding en bloc TURBT group, respectively. All patients were followed up from 6 to 40 months, with an average of 24 months. Demographic characteristics, location and number of tumors, perioperative and postoperative data, pathological results and recurrence were documented. RESULTS: There were no significant differences in clinicopathological data between the conventional TURBT group (n = 45) and the surrounding en bloc TURBT group (n = 66). Operative time and complications associated with TURBT were comparable in the two groups. Recurrent tumors were found during follow-up in 2 (3.0%) of 66 patients in the surrounding en bloc group and 9 (20%) of 45 patients in the conventional group (p < 0.05). Lower urinary tract symptoms developed in 2 (3.0%) of 66 patients after surrounding en bloc TURBT and in 11(24.4%) of 45 patients after conventional TURBT (p < 0.05). CONCLUSION: Surrounding en bloc TURBT and simultaneous intravesical chemotherapy might significantly decrease the recurrence rate of NMIBC, and showed favorable safety and tolerability profiles. The general bipolar loop electrode was appropriate to complete the procedure.
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