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International Journal of Colorectal Disease
Published in: International Journal of Colorectal Disease 11/2014

01-11-2014 | Original Article

Anorectal manometric parameters are influenced by gender and age in subjects with normal bowel function

Authors: Hyang Ran Lee, Seok-Byung Lim, Jeong Yun Park

Published in: International Journal of Colorectal Disease | Issue 11/2014

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Abstract

Purpose

Anorectal manometry provides objective information about anorectal function, but its results depend on the examiner’s skill, the type of equipment, and subject characteristics like age or gender. This single institution, prospective study was performed to investigate the effect of gender and age on the results of anorectal manometry.

Methods

All included subjects completed a questionnaire to assess their bowel function. The survey included 13 validated questions (eight on constipation and five on incontinence) and was used to exclude subjects with pathological constipation or incontinence. Subjects with normal bowel function underwent anorectal manometry to measure anal sphincter length (ASL), maximum resting pressure (MRP), and maximum squeeze pressure (MSP), and the results were compared by gender and age.

Results

The mean age of the 154 participants (94 male and 60 female) was 59.1 years. ASL was greater in men (4.23 vs. 3.85 cm, p < 0.001). MRP was not significantly different according to gender (p = 0.93), but MSP was higher in men (190.18 vs. 116.49 mmHg, p < 0.001). ASL did not correlate with age (p = 0.707). MRP was inversely related to age in both men (R 2 = 0.152, p < 0.001) and women (R 2 = 0.282, p < 0.001), and MSP only in women (R 2 = 0.210, p < 0.001).

Conclusions

Anorectal manometric parameters are influenced by gender and age. This should be taken into consideration when interpreting manometric readings in a clinical setting.
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Metadata
Title
Anorectal manometric parameters are influenced by gender and age in subjects with normal bowel function
Authors
Hyang Ran Lee
Seok-Byung Lim
Jeong Yun Park
Publication date
01-11-2014
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Colorectal Disease / Issue 11/2014
Print ISSN: 0179-1958
Electronic ISSN: 1432-1262
DOI
https://doi.org/10.1007/s00384-014-1961-4

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