The outcome of early perineal rehabilitation in obstetric anal sphincter injuries: a single-center experience

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PURPOSE: The objective of this study is to evaluate the impact of pelvic floor physical therapy (PFPT) on symptoms and quality of life in women who experienced third- and fourth-degree perineal tears (Obstetric Anal Sphincter Injuries, OASIS) during childbirth. OASIS can lead to anal incontinence and dyspareunia, having important implications regarding the quality of life and health of women but, unfortunately, there is no standard practice for postpartum care following OASIS. METHODS: In this retrospective observational study, patients diagnosed with OASIS between January 2016 and June 2023 were enrolled. Since 2016, all women with OASIS have been routinely referred for physiatric evaluation and pelvic floor rehabilitation. Validated questionnaires (Wexner score and Marinoff scale) were administered to enrolled women to assess anal incontinence and dyspareunia. RESULTS: The study included 148 women, of whom 88 responded to the questionnaires. Participants were divided into two groups: those who underwent PFPT (N = 68) and those who declined it (N = 20). The mean follow-up period was 1447.35 days. The Wexner score was lower in the PFPT group compared to the no-PFPT group (p = 0.050). The Marinoff score did not show a statistically significant difference between the two groups (p = 0.381). CONCLUSION: PFPT was shown to be effective in reducing AI symptoms in women with OASIS, improving quality of life and maintaining its effects in the long term, but without providing benefits for dyspareunia. Strengths of this study include the use of validated questionnaires, the long follow-up period, and the involvement of a specialized team of physiatrists and physiotherapists.

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