Pelvic organ prolaps (POP) is the most common gynecological condition in women and its incidence increases with age. Among all treatments option available, the most commonly used was pessary treatment. However, the use of pessary has several side effects, and the most common one is leucorrhoea due to Bacterial Vaginosis (BV) or Aerobic Vaginitis (AV). This study aims to evaluate the incidence of BV and AV before and after pessary insertion in postmenopausal women with POP in Indonesia. This study was an observational analytical study conducted at outpatient clinic Department of Obstetric and Gynecology Dr. Soetomo General Hospital on August-October 2016. Subject of this study was postmenopausal women with POP who were about to be treated with pessary. Vaginal secretion samples were taken before pessary insertion and 4 weeks after insertion. Gram staining, microbiology culture, and pH evaluation was done for BV and AV evaluation. There were a total of 20 patients included in this study. The incidence of BV before and 4 weeks after pessary insertion was significantly higher (0 vs 16, p < 0.05), while the incidence of AV before and 4 weeks after pessary insertion was not significantly higher (1 vs 5, p = 0.29). There was a significant increase in the pH evaluation before and after pessary insertion (6.2 ± 0.62 vs 6.4 ± 0.53, p= 0.008). The most common microorganism found in vaginal swab was Escherichia coli. BV incidence was significantly increased after pessary insertion in postmenopausal women with POP.
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