Prevalence and Correlates of Anal Incontinence among
Urogynecologic Patients
Rujira Wattanayingcharoenchai MD1, Jittima Manonai MD, MHM1, Sakda Arj-Ong Vallibhakara MD, PhD2,
Komkrit Aimjirakul MD1
Affiliation :
1 Department of Obstetrics and Gynaecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
2 Section for Clinical Epidemiology and Biostatistics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Objective : To investigate the prevalence of anal incontinence [AI] in women attending a urogynecology clinic, and to identify factors
associated with AI in the urogynecologic patients.
Materials and Methods : Medical records of women with pelvic (cid:976)loor symptoms attending a urogynecology clinic between January
2011 and December 2015 were reviewed. Demographic data including age, parity, menopausal status, medical history, history of
vaginal delivery, and hysterectomy were collected. Selected pelvic (cid:976)loor symptoms (stress urinary incontinence [SUI], urgency
urinary incontinence [UUI], pelvic organ prolapse [POP], and AI) evaluated by the validated, self-administered Thai version of
Pelvic Floor Bother Questionnaire [PFBQ] were recorded. Demographic data and pelvic (cid:976)loor symptoms between the patients with
or without AI were analysed.
Results : The mean age of the 1,068 subjects was 62.9±11.5 years. Nine hundred twenty-(cid:976)ive (86.6%) were menopause. According
to PFBQ, 451 (42.2%) women reported AI. The prevalence of combined AI with SUI only, UUI, mixed UI, and POP were 33.1, 28.0,
24.7, and 25.7%, respectively. Multivariate analysis demonstrated history of vaginal delivery, previous hysterectomy, presence of
SUI, and UUI symptoms as the risk factors for AI.
Conclusion : AI is a prevalent condition in women attending a urogynecology clinic. Combined AI with other pelvic (cid:976)loor symptoms
is also common. Women with previous vaginal delivery, hysterectomy, symptom of SUI, and UUI should be evaluated for AI.
Keywords : Anal incontinence, Pelvic (cid:976)loor symptoms
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