anal physiology
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2021 ◽  
Vol 108 (Supplement_5) ◽  
Author(s):  
C M Byrne ◽  
E S Kiff ◽  
A Sharma ◽  
K J Telford

Abstract Introduction Conventional “catheter-based” anorectal physiology systems may influence anal canal pressures by stretching the sphincters thereby increasing tension. Anal acoustic reflectometry (AAR) is a “catheter-less” technique as the flexible thin catheter does not distort the anal canal. The aim of this study was to explore whether the size of rigid tube in the anal canal had any effect on tension. Method Participants with no anorectal dysfunction were included. Baseline resting/squeeze AAR measurements were recorded, then repeated with a 6 mm and 10 mm rigid tube placed along-side the AAR catheter. This process was repeated for anorectal manometry (ARM) and Opening pressure (AAR) and mean resting pressure (MRP) were used to calculate tension (pressure (mmHg) x radius (mm)). Result 9 participants were included (7 female/2male) with median age 22 years (21–31 years). Tension at rest (no additional tube) for AAR and ARM was 14 and 135 N/m respectively and 33 and 238 N/m during squeeze. Tension increased in a linear fashion, for both resting and squeeze, as the size of additional rigid tube increased. The largest increase in tension from baseline AAR and ARM measurements was recorded with the 10 mm additional tube (1,807% and 102% respectively). Conclusion The thin AAR catheter exerted the lowest tension at baseline. A large increase in tension was observed as the size of tube increased and therefore the diameter of catheter used in the assessment of anal physiology will affect the results. ARM measurements carried out by devices of different diameter will not be comparable. Take-home Message The diameter of the anorectal physiology catheter in the anal canal influences the results.


2020 ◽  
Vol 36 (2) ◽  
pp. 102-111
Author(s):  
Auerilius Erastus Ricardo Hamilton ◽  
Amelia Alice Lin ◽  
Christopher John Young

Purpose: Pertaining to the Colorectal Surgery Society of Australia and New Zealand (CSSANZ) Executive and Research Support Committee, this study aimed to assess the usefulness and outcomes of surveys sent out by the society to its members.Methods: From 2009 to 2017, CSSANZ members received 38 surveys, most of which were distributed from within the society, and a few of which originated from other affiliated groups. Surveys were categorised by type, topics, times required for completion, delivery method, response rates, and advancement to publication.Results: Of 38 surveys, 20 (53%) were published and 18 remain unpublished. Four surveys were distributed annually on average, with 2.2 published annually on average, with a mean impact factor of 2.41 ± 1.55. Mean time to publication was 31 ± 17 months. Surveys contributed to 13 publications (34%). The most common survey topics were rectal cancer decisionmaking, in 6 publications (16%), preoperative assessment of colorectal patients, in 5 publications (13%), and anal physiology: continence and defaecation, in 4 publications (11%). Publication of surveys was not related to the number of surveys distributed per year, the number of questions per survey, or the time required by respondents to complete the surveys.Conclusion: Most of the CSSANZ-distributed surveys resulted in publications, and one third of the surveys contributed to higher degrees obtained by investigators. These surveys aid research into areas that are otherwise difficult to assess, often indicating areas for future research.


2017 ◽  
Vol 23 (31) ◽  
pp. 5732 ◽  
Author(s):  
Christopher J Young ◽  
Assad Zahid ◽  
Cherry E Koh ◽  
Jane M Young
Keyword(s):  

2016 ◽  
Vol 71 (2) ◽  
pp. 74-76
Author(s):  
Yarini Quezada ◽  
James L. Whiteside ◽  
Tracy Rice ◽  
Mickey Karram ◽  
Janice F. Rafferty ◽  
...  

2015 ◽  
Vol 26 (11) ◽  
pp. 1613-1617 ◽  
Author(s):  
Yarini Quezada ◽  
James L. Whiteside ◽  
Tracy Rice ◽  
Mickey Karram ◽  
Janice F. Rafferty ◽  
...  

2009 ◽  
Vol 25 (2) ◽  
pp. 277-282 ◽  
Author(s):  
Massarat Zutshi ◽  
Levilester Salcedo ◽  
Jeffrey Hammel ◽  
Tracy Hull

Author(s):  
David E. Beck ◽  
Patricia L. Roberts ◽  
John L. Rombeau ◽  
Michael J. Stamos ◽  
Steven D. Wexner
Keyword(s):  

Author(s):  
Susan M. Parker ◽  
John A. Coller
Keyword(s):  

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