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Objective. The objective is to investigate the effect of minimally invasive treatment of nonmuscle invasive bladder cancer (NMIBC) by transurethral endoscopic submucosal dissection of bladder tumor (BT-ESD) under general intravenous anesthesia and the expression of Akt in NMIBC and to study the effect of upregulation of intracellular phosphatidylinositol kinase (PI3K)/protein kinase B (Akt) on tumor recurrence. Method. 130 patients with NMIBC were selected as the research subjects, including 101 males and 29 females. The patients were divided into transurethral resection of bladder tumor (TURBT) group, BT-ESD learning group A (early 20 cases of chief surgeon), and BT-ESD learning group B (follow-up cases of the chief surgeon). The general information (male and female prevalence ratio and average age), operation duration, postoperative bladder irrigation duration, postoperative indwelling catheter time, postoperative hospitalization time, and postoperative complications were compared among the patients in all groups. The normal bladder tissues and pathological tissues of NMIBC patients were stained by immunohistochemistry. Results. No significant difference is identified in age among the three groups ( ), but there are significant differences in the operation duration, postoperative bladder irrigation time, postoperative indwelling catheter time, and postoperative hospital stay ( ). At the same time, compared with BT-ESD group A and BT-ESD group B, the number of postoperative complications in TURBT group is statistically different ( ). Akt has a strong positive expression in the nucleus of patients, which indicates that Akt activated by cellular PI3K will form the PI3K/Akt signaling pathway and reduce the recurrence rate of bladder tumor.

biomed research international

The Use of BT-ESD Technology under General Intravenous Anesthesia in the Treatment of Nonmuscle Invasive Bladder Cancer and the Effect of PI3K/Akt Signaling Pathway on Tumor Recurrence