Abstract:Objective To investigate the incidence rate and risk factors of genital tract infections in patients with premenopausal or postmenopausal women underwent hysteroscopic transcervical resection of myoma (TCRM).Methods A retrospective analysis of 1068 patients underwent hysteroscopic myomectomy from 2013 to 2018 were performed. The patients were divided into premenopausal patients and postmenopausal patients according to the medical history records. Clinical baseline characteristics, size of myoma, diameter of surgery, type of Haarlem fibroids, body mass index, serum estrogen levels, endometrial cycle, presence or absence of diabetes and preoperative anemia, history of genital tract infection, pH value of cervical secretion, placement of the intrauterine device, postoperative antibiotic use, and postoperative complications were recorded. Hysteroscopic surgery associated infection was defined as the presence of fever or an increase in white blood cells at least combination with detected typical pathogens according to pathological examination of the cervix or vaginal secretions. Statistical analysis of baseline data, postoperative infection rates, and risk factors for premenopausal and postmenopausal patients by Chi-square test and logistic regression analysis respectively.Results Baseline data showed that vaginal secretion pH value was lower than those in postmenopausal patients, preoperative anemia ratio, serum estrogen level, intrauterine device placement rate, and the proportion of patients with simple submucosal myoma were higher than those in postmenopausal patients. The incidence of postoperative infection in postmenopausal patients was significantly higher than that in premenopausal patients, and the statistical difference was significant (P = 0.004). Logistic regression analysis suggests that for premenopausal patients, preoperative vaginal secretion PH values and surgical procedures are independent risk factors for postoperative TCRM infection. The size of the tumor in the postmenopausal patients, preoperative anemia combined with preoperative diabetes, postoperative antibiotic use is an independent risk factor for postoperative infection.Conclusion The incidence of reproductive tract infection after TCRM in the postmenopausal patients is significantly higher than that in premenopausal patients. There are differences in the risk factors of postoperative genital tract infection in premenopausal and late uterine fibroids.