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https://hdl.handle.net/2440/7624
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Type: | Journal article |
Title: | Characterization of anorectal pressure and the anorectal inhibitory reflex in healthy preterm and term infants |
Author: | Benninga, M. Omari, T. Haslam, R. Barnett, C. Dent, J. Davidson, G. |
Citation: | Journal of Pediatrics, 2001; 139(2):233-237 |
Publisher: | Mosby Inc |
Issue Date: | 2001 |
ISSN: | 0022-3476 1097-6833 |
Statement of Responsibility: | Marc A. Benninga, Taher I. Omari, Ross R. Haslam, Chris P. Barnett, John Dent and Geoff P. Davidson |
Abstract: | <h4>Objectives</h4>To evaluate anorectal motor function in healthy premature and term infants with the use of micromanometric techniques.<h4>Study design</h4>Anorectal manometry was performed in 22 healthy neonates (9 female) with a mean postmenstrual age of 32 weeks (range, 30 to 38 weeks) with a micromanometric anorectal assembly (od 2.0 mm). The assembly incorporated a 2-cm-long sleeve sensor for measurement of resting anal sphincter pressures and relaxation, and 4 sideholes recorded anal and rectal pressures. Rectal distension was performed with a latex balloon or direct air insufflation to elicit the anorectal inhibitory reflex (AR).<h4>Results</h4>The mean anal sphincter pressure, rectal pressure, and rhythmic wave frequency were 40 mm Hg (range, 7 to 65 mm Hg), 11 mm Hg (range, 1 to 27 mm Hg), and 10/min (range, 8 to 14/min), respectively. A normal AR could be elicited in 21 of the 22 infants studied.<h4>Conclusion</h4>An anorectal micromanometric sleeve catheter is suitable for use in evaluating anorectal pressures in preterm and term neonates. Insufflation of air without the use of a balloon to elicit the AR is reliable and suitable for use in infants <34 weeks. Premature infants older than 30 weeks' postmenstrual age have normal anorectal pressures and a normal AR. |
Keywords: | Humans Reflex Analysis of Variance Manometry Gestational Age Pressure Infant, Newborn Infant, Premature Anal Canal Female Male |
Description: | Copyright © 2001 Academic Press. All rights reserved. |
DOI: | 10.1067/mpd.2001.115969 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/623311/description#description |
Published version: | http://dx.doi.org/10.1067/mpd.2001.115969 |
Appears in Collections: | Aurora harvest Paediatrics publications |
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