Document Detail

Stapled haemorrhoidopexy transiently decreases rectal compliance and sensitivity.
MedLine Citation:
PMID:  19888951     Owner:  NLM     Status:  MEDLINE    
AIM: Stapled haemorrhoidopexy may damage the anorectal musculature and its sensorimotor function. Most studies have not used a barostat for the measurement of compliance. This study aimed to investigate the effect of stapled haemorrhoidopexy on rectal compliance and sensitivity.
METHOD: After Ethical Committee approval, we studied 10 male patients (mean age 33.8 years) with third- or fourth-degree haemorrhoids. Rectal compliance and sensitivity were measured with a 600-ml bag and an electronic barostat. Volunteers were submitted to two consecutive rectal distension protocols, including continuous distension at 2, 4 and 6 months after stapled haemorrhoidopexy. Intraluminal volume and pressure were recorded, including the first rectal sensation, desire to defecate and onset of rectal pain. Another group of 10 male control patients (mean age 24.9 years) with pilonidal sinus and no haemorrhoids was also included in the study.
RESULTS: Two months after stapled haemorrhoidopexy, rectal compliance decreased (7.1 ± 0.2 vs 5.3 ± 0.1, 6.4 ± 0.1 vs 5.1 ± 0.1 and 5.6 ± 0.2 vs 4.7 ± 0.1 ml/mmHg for first rectal sensation, desire to defecate and rectal pain, respectively; P < 0.05). The sensitivity threshold volume did not change for the first sensation but decreased significantly for the desier to defecate and pain (p <0.05) (116.8 ± 13.8 vs 148.4 ± 14.61, 251.1 ± 8.9 vs 185.8 ± 8.6 and 293.3 ± 16.6 vs 221.2 ± 6.0 ml for first rectal sensation, desire to defecate and rectal pain, respectively). Four and 6 months after surgery, rectal compliance and sensitivity returned to levels similar to those in the basal period. Muscle tissue was found in only three of the 10 resected doughnuts. Controls remained without any change in rectal compliance and sensitivity.
CONCLUSION: Stapled haemorrhoidopexy transiently decreases rectal compliance and sensitivity threshold in young male patients.
F L A Filho; G M Macedo; A A Dos Santos; L V Rodrigues; R B Oliveira; M A Nobre E Souza
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland     Volume:  13     ISSN:  1463-1318     ISO Abbreviation:  Colorectal Dis     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-24     Completed Date:  2011-05-18     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  100883611     Medline TA:  Colorectal Dis     Country:  England    
Other Details:
Languages:  eng     Pagination:  219-24     Citation Subset:  IM    
Copyright Information:
© 2010 The Authors. Colorectal Disease © 2010 The Association of Coloproctology of Great Britain and Ireland.
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MeSH Terms
Hemorrhoids / surgery*
Postoperative Complications / physiopathology
Rectum / innervation,  physiopathology*
Sensory Thresholds
Surgical Stapling*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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