Effect of intravenous erythromycin on the colonic motility of children and young adults during colonic manometry

Jason Dranove, Debra Horn, S. Narasimha Reddy, Joseph Croffie

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Purpose: Erythromycin is successfully used as a gastroduodenal prokinetic agent. Given the limited available treatments for colonic dysmotility, further investigation into erythromycin's effect on colonic motility is warranted. We aimed to study the effect of erythromycin on colonic motility in pediatric patients with recalcitrant chronic constipation/encopresis and other suspected colonic motility disorders. Methods: Patients referred for colonic manometry were eligible for enrollment. Fasting motility was recorded for 1 to 2 hours, then erythromycin lactobionate (EL), 3 mg/kg, was administered intravenously, and colonic motility was monitored for 1 to 2 hours after erythromycin. Manometry was then continued per routine. The motility index (MI) of pressure tracings at each pressure transducer was calculated for each patient for a period of 15 and 60 minutes before and after EL infusion. Change in MI was compared by Wilcoxon signed rank test. Results: Twenty patients were enrolled. The most common indication was constipation with encopresis. Seventy percent of patients had normal colonic manometry, and 30% of patients demonstrated a neuropathy. Average MI for the 60-minute period before and after EL infusion were 254 ± 74 mm Hg/h and 253 ± 94 mm Hg/h, respectively (P = .55). Average MI for the 15-minute period before and after EL infusion were 64 ± 23 mm Hg/15 min and 69 ± 32 mm Hg/15 min, respectively (P = .45). Conclusions: Administration of intravenous EL resulted in no changes in colonic MI in pediatric patients referred for colonic manometry. Further studies on potential colokinetic agents are warranted in this population of patients.

Original languageEnglish (US)
Pages (from-to)777-783
Number of pages7
JournalJournal of pediatric surgery
Volume45
Issue number4
DOIs
StatePublished - Apr 1 2010

Keywords

  • Colonic manometry
  • Colonic motility
  • Constipation
  • Erythromycin
  • Motility
  • Pseudoobstruction

ASJC Scopus subject areas

  • Surgery
  • Pediatrics, Perinatology, and Child Health

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