ArticleAbdominal radiology (New York)2023
A possible physiological mechanism of rectocele formation in women.
Article in Abdominal radiology (New York), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- Magnetoelectric biofeedback for precision-targeted rectocele management: A randomized controlled trial of phenotype-driven pelvic floor neuromodulation.International journal of colorectal disease · 2026Trial
- Article
- Age-stratified diagnostic value of high-resolution anorectal manometry in women with severe rectocele: interactions between anal relaxation rate and maximum anal resting pressure.International journal of colorectal disease · 2025Article
- Fecal Incontinence Outcomes Following Transvaginal Posterior Vaginal Wall Repair.International urogynecology journal · 2025Article
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Authors and funding
4 authors at 2 institutions in 1 country.
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Abstract
backgroundWe aimed to determine the anorectal physiological factors associated with rectocele formation.
methodsFemale patients (N = 32) with severe constipation, fecal incontinence, or suspicion of rectocele, who had undergone magnetic resonance defecography and anorectal function tests between 2015 and 2021, were retrospectively included for analysis. The anorectal function tests were used to measure pressure in the anorectum during defecation. Rectocele characteristics and pelvic floor anatomy were determined with magnetic resonance defecography. Constipation severity was determined with the Agachan score. Information regarding constipation-related symptoms was collected.
resultsMean rectocele size during defecation was 2.14 ± 0.88 cm. During defecation, the mean anal sphincter pressure just before defecation was 123.70 ± 67.37 mm Hg and was associated with rectocele size (P = 0.041). The Agachan constipation score was moderately correlated with anal sphincter pressure just before defecation (r = 0.465, P = 0.022), but not with rectocele size (r = 0.276, P = 0.191). During defecation, increased anal sphincter pressure just before defecation correlated moderately and positively with straining maneuvers (r = 0.539, P = 0.007) and defecation blockage (r = 0.532, P = 0.007). Rectocele size correlated moderately and positively with the distance between the pubococcygeal line and perineum (r = 0.446, P = 0.011).
conclusionIncreased anal sphincter pressure just before defecation is correlated with the rectocele size. Based on these results, it seems important to first treat the increased anal canal pressure before considering surgical rectocele repair to enhance patient outcomes.
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