Abstract
BackgroundVaginal flatus is involuntarily passing gas from the vagina. Women seldom voluntarily report it, and related data are limited. AimTo investigate the prevalence of vaginal flatus in women with pelvic floor disorders and its impact on sexual function. MethodsThis was an observational study involving women who visited a urogynecologic clinic in a tertiary medical center. Patients were asked about their experience of vaginal flatus. Other evaluations included urodynamics, genital prolapse stage, and quality-of-life questionnaires, including the short form of the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire, Urogenital Distress Inventory, and Incontinence Impact Questionnaire. OutcomesClinical characteristics, vaginal anatomic landmarks, stage of prolapse, urodynamic parameters, and quality-of-life scores were compared between women with and without vaginal flatus. ResultsAmong 341 women, 118 (35%) reported vaginal flatus, which was more common in those who were younger (a mean age of 49.3 ± 9.2 years; range 25–74 years vs 49.3 ± 9.2 years; range 25–74 years, P < .001) and sexually active (98% vs 55%, P < .001). Women with vaginal flatus had significantly worse sexual function (Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire, 16.3 ± 15.9 vs 30.9 ± 8.0, P < .001) and incontinence-related quality of life (Urogenital Distress Inventory, 23.4 ± 10.5 vs 17.8 ± 8.9, P = .039; Incontinence Impact Questionnaire, 25.5 ± 14.5 vs 17.2 ± 12.5, P = .012). For frequency and bother, 48 of 116 (46%) women reported often or always having symptoms during sexual activity, 5 of 34 (15%) when performing daily activities, and 4 of 31 (12%) when exercising, and 70 of 116 (60%) felt least moderate bothersome during sexual activity compared with 2 of 34 (5%) when performing daily activities and 6 of 31 (18%) when exercising. Clinical ImplicationsVaginal flatus is prevalent in women with pelvic floor disorders, particularly in those who are younger and sexually active. Strengths & LimitationsThe strength of this study is to evaluate the sexual function with validated questionnaires. The lack of data after pelvic floor management is the major limitation. ConclusionsAmong women with pelvic floor disorders, those with vaginal flatus reported poorer sexual function. Routine counseling should be considered for these patients.J-H Lau, T-H Su, Y-Y Chen, et al. The Prevalence of Vaginal Flatus in Women With Pelvic Floor Disorders and Its Impact on Sexual Function. J Sex Med 2020;XX:XXX–XXX.
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