NDLI: Duration taken for the anal sphincter pressures to stabilize prior to anorectal manometry

Content Provider	Springer Nature : BioMed Central
Author	Wickramasinghe, Dakshitha Praneeth Jayarajah, Umesh Samarasekera, Dharmabandhu Nandadeva
Abstract	Objectives Anorectal manometry (ARM) is an integral part of evaluating the anal sphincter function. The current recommendation of waiting for 5 min (lead-in-time) prior to beginning the recording has no evidence. A prolonged procedure may reduce patient compliance. Results We analyzed data from 100 consecutive patients who underwent 3-dimensional ARM at a single center. Their pressure studies were analyzed in consecutive 10-s segments, beginning from the time of insertion of the probe into the anal canal. We defined stabilization of the pressure as the absence of a pressure difference among two consecutive 10-s segments. The study population had 31 males. Their mean age was 33.0 years (SD-14.4). The mean time for the pressure to stabilize was 84.2 s (SD-29.5), range 17.2–203.7 s, 95th percentile 136.2 s. Eleven and one participant(s) took longer than 120 and 150 s for the pressure to stabilize, respectively. There was no correlation of sex (Mann–Whitney U test, p = 0.89) and the time to pressure stabilization. Age and the time to stabilize (Spearman rho − 0.246, p = 0.017) showed a weak negative correlation. A lead-in-time of 5 min, as recommended by present guidelines may be unnecessary. Waiting for 150 s/2½ min may be sufficient and will minimize the procedure duration.
Related Links	https://bmcresnotes.biomedcentral.com/counter/pdf/10.1186/s13104-018-3451-1.pdf
Ending Page	3
Page Count	3
Starting Page	1
File Format	HTM / HTML
ISSN	17560500
DOI	10.1186/s13104-018-3451-1
Journal	BMC Research Notes
Issue Number	1
Volume Number	11
Language	English
Publisher	BioMed Central
Publisher Date	2018-06-05
Access Restriction	Open
Subject Keyword	Biomedicine Medicine Public Health Life Sciences Anal sphincter pressure High resolution manometry Lead-in time Stabilization time Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Biochemistry, Genetics and Molecular Biology Medicine
Journal Impact Factor	1.6/2023

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