Journal of the Anus, Rectum and Colon
Online ISSN : 2432-3853
ISSN-L : 2432-3853
ORIGINAL RESEARCH ARTICLE
Proctographic findings and symptoms in patients with anterior rectoanal intussusception
Akira TsunodaTomoko TakahashiKentaro HayashiYuma YagiHiroshi Kusanagi
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JOURNALS OPEN ACCESS

2017 Volume 1 Issue 4 Pages 112-117

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Abstract

Objectives: Rectoanal intussusception (RAI) is a common finding on defecography in patients with defecation disorders. This study aimed to compare the proctographic findings and symptoms between patients with anterior RAI and those with circular RAI. Methods: We included 208 patients who were diagnosed as having RAI on defecography. Anorectal function was evaluated using Constipation Scoring System (CSS) and Fecal Incontinence Severity Index (FISI). Results: Twenty-four patients had anterior RAI and 184 had circular RAI. While the anterior intussusception descent or pelvic floor descent was significantly smaller in patients with anterior RAI than those with circular RAI [14.3 vs. 18.5 mm, p=0.004; 12.4 vs. 21.6 mm, p=0.005], there were no significant differences in incidences of obstructed defecation (OD) and fecal incontinence (FI) between the groups. Sixteen patients with anterior RAI and 137 patients with circular RAI had OD. There was no significant difference in the CSS scores between the groups. Twelve patients with anterior RAI and 108 patients with circular RAI had FI. No significant difference in the FISI scores between the groups. Conclusions: Approximately one tenth of the whole RAI was anterior in location, and symptoms in patients with anterior RAI were similar to those with circular RAI.

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© 2017 The Japan Society of Coloproctology

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