Impact of sedation and anesthesia on the rectoanal inhibitory reflex in children.

Marian Pfefferkorn, Joseph Croffie, Mark R. Corkins, Sandeep Gupta, Joseph F. Fitzgerald

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

OBJECTIVE: The study objective was to determine whether the rectoanal inhibitory reflex (RAIR) can be elicited during limited anorectal manometry (ARM) performed under general anesthesia (GA). METHODS: In this retrospective study, patients with intractable constipation who underwent ARM under GA from November 1999 to March 2002 were evaluated. Rectal biopsy specimens were examined for the presence of ganglion cells. RESULTS: Eighty consecutive patients aged 5 months to 16 years were evaluated. Three patients with Hirschsprung disease were excluded from analysis. Ganglion cells were found in rectal biopsy specimens from 76 patients. RAIR was positive in 69 (90%) and negative in 8 (10%). Forty-five patients received preoperative medications: midazolam (n = 36), midazolam + atropine (n = 3), atropine (n = 1), midazolam + glycopyrrolate (n = 3), and glycopyrrolate (n = 2). Different combinations of general anesthetic medications were used. Ten patients received neuromuscular blockers. The use of preoperative midazolam or atropine did not affect the presence or absence of RAIR; however, the proportion of patients with negative RAIR was higher in those receiving glycopyrrolate (P = 0.007) than in those receiving other medications. There was no significant difference in the effect of the general anesthetic agents or neuromuscular blockers used on the presence or absence of RAIR. CONCLUSIONS: The rectoanal inhibitory reflex in children can be elicited even when anorectal manometry is performed under general anesthesia. Glycopyrrolate, an anticholinergic, appears to inhibit the demonstration of the RAIR.

Original languageEnglish
Pages (from-to)324-327
Number of pages4
JournalJournal of Pediatric Gastroenterology and Nutrition
Volume38
Issue number3
StatePublished - Mar 2004

Fingerprint

sedation
reflexes
Reflex
Glycopyrrolate
anesthesia
Anesthesia
Midazolam
atropine
Manometry
Atropine
general anesthetics
General Anesthesia
drug therapy
Neuromuscular Blocking Agents
General Anesthetics
Ganglia
biopsy
Biopsy
Hirschsprung Disease
constipation

ASJC Scopus subject areas

  • Gastroenterology
  • Histology
  • Medicine (miscellaneous)
  • Food Science
  • Pediatrics, Perinatology, and Child Health

Cite this

Impact of sedation and anesthesia on the rectoanal inhibitory reflex in children. / Pfefferkorn, Marian; Croffie, Joseph; Corkins, Mark R.; Gupta, Sandeep; Fitzgerald, Joseph F.

In: Journal of Pediatric Gastroenterology and Nutrition, Vol. 38, No. 3, 03.2004, p. 324-327.

Research output: Contribution to journalArticle

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abstract = "OBJECTIVE: The study objective was to determine whether the rectoanal inhibitory reflex (RAIR) can be elicited during limited anorectal manometry (ARM) performed under general anesthesia (GA). METHODS: In this retrospective study, patients with intractable constipation who underwent ARM under GA from November 1999 to March 2002 were evaluated. Rectal biopsy specimens were examined for the presence of ganglion cells. RESULTS: Eighty consecutive patients aged 5 months to 16 years were evaluated. Three patients with Hirschsprung disease were excluded from analysis. Ganglion cells were found in rectal biopsy specimens from 76 patients. RAIR was positive in 69 (90{\%}) and negative in 8 (10{\%}). Forty-five patients received preoperative medications: midazolam (n = 36), midazolam + atropine (n = 3), atropine (n = 1), midazolam + glycopyrrolate (n = 3), and glycopyrrolate (n = 2). Different combinations of general anesthetic medications were used. Ten patients received neuromuscular blockers. The use of preoperative midazolam or atropine did not affect the presence or absence of RAIR; however, the proportion of patients with negative RAIR was higher in those receiving glycopyrrolate (P = 0.007) than in those receiving other medications. There was no significant difference in the effect of the general anesthetic agents or neuromuscular blockers used on the presence or absence of RAIR. CONCLUSIONS: The rectoanal inhibitory reflex in children can be elicited even when anorectal manometry is performed under general anesthesia. Glycopyrrolate, an anticholinergic, appears to inhibit the demonstration of the RAIR.",
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