Combined use of a 980‑nm diode laser and preoperative intravesical instillation of pirarubicin for the prevention of short‑term recurrence of non‑muscle invasive bladder cancer: A pilot study

Tang,Zhen; Peng,Jiao; Wu,Shangxin; Zhao,Fenfen; Wu,Mingui

doi:10.3892/ol.2023.13908

Combined use of a 980‑nm diode laser and preoperative intravesical instillation of pirarubicin for the prevention of short‑term recurrence of non‑muscle invasive bladder cancer: A pilot study

Authors:
- Zhen Tang
- Jiao Peng
- Shangxin Wu
- Fenfen Zhao
- Mingui Wu
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Affiliations: Department of Urology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, Guangxi Zhuang Autonomous Region 545005, P.R. China, Department of Medical Imaging, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, Guangxi Zhuang Autonomous Region 545005, P.R. China
Published online on: June 13, 2023 https://doi.org/10.3892/ol.2023.13908
Article Number: 322
Copyright: © Tang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

At present, transurethral resection of bladder tumors (TURBT) is the main surgical method for treating non‑muscle invasive bladder cancer (NMIBC), but its postoperative recurrence needs to be prevented. The aim of the present study was to investigate the efficacy of a 980‑nm diode laser combined with preoperative intravesical instillation of pirarubicin (THP) for the prevention of NMIBC recurrence. The data of 120 patients with NMIBC who underwent transurethral resection between May 2021 and July 2022 were retrospectively collected, and these patients were followed up. The patients were divided into four groups based on the surgical method used and preoperative intravesical instillation of THP as follows: i) 980‑nm diode laser with THP (LaT); ii) 980‑nm diode laser alone (La); iii) TURBT with THP (TUT); and iv) TURBT alone (TU). Clinicopathological variables, postoperative complications and short‑term outcomes among the aforementioned groups were analyzed. The blood loss volume and the incidence of perforation and delayed bleeding were significantly lower in the LaT and La groups compared with those in the TUT and TU groups. The days of bladder irrigation, catheter extubation and postoperative hospitalization were significantly shorter in the LaT and La groups compared with the TUT and TU groups. The detection rate of suspicious lesions was significantly higher in the THP irrigation groups (LaT and TUT) compared with that in the saline irrigation groups (La and TU). Tumor diameter and number, 980‑nm laser and THP irrigation were shown to be independent risk factors in the Cox regression analysis. In addition, the recurrence‑free survival (RFS) rate of the LaT group was significantly higher than that of the other three groups. In conclusion, a 980‑nm diode laser can effectively reduce intraoperative blood loss and the incidence of perforation, and accelerate postoperative recovery. Preoperative intravesical instillation of THP is conducive to identifying suspicious lesions. The combination of a 980‑nm laser with preoperative THP intravesical instillation can significantly prolong RFS time.

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