欧洲泌尿协会指南指出非肌层浸润性膀胱癌患者在电切术后行膀胱灌注辅助治疗可降低肿瘤复发和进展成肌层浸润性膀胱癌的风险。膀胱灌注化疗药物和卡介苗(BCG)都能降低TaT1期膀胱尿路上皮细胞癌复发率。然而,膀胱灌注BCG相对于化疗药物的长期疗效,特别是对于中危患 The European Urological Association guidelines state that adjuvant intravesical instillation of adjuvant non-muscle invasive bladder cancer after resection may reduce the risk of tumor recurrence and progress to invasive bladder cancer. Bladder chemotherapeutic drugs and BCG can reduce the recurrence rate of bladder urothelial carcinoma in TaT1. However, the long-term efficacy of bladder perfusion of BCG relative to chemotherapeutic agents, especially for intermediate-risk