Assessment of the effectiveness of biofeedback in children with dyssynergic defecation and recalcitrant constipation/encopresis: Does home biofeedback improve long-term outcomes

Joseph M. Croffie, M. Samer Ammar, Marian D. Pfefferkorn, Debra Horn, Ann Klipsch, Joseph F. Fitzgerald, Sandeep K. Gupta, Jean P. Molleston, Mark R. Corkins

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

The purpose of this study was to determine whether biofeedback benefits children with dyssynergic defecation and constipation/encopresis, and whether home biofeedback improves long-term outcomes. Thirty-six patients with chronic constipation who had failed at least 6 months of conventional treatment and demonstrated dyssynergic defecation at anorectal manometry were randomized to biofeedback in the laboratory alone (group 1, n=24) or in the laboratory and at home (group 2, n=12) and followed up at 2, 4, and a mean of 44 months. Thirty patients were available for long-term follow-up. Bowel movements increased in all from a mean of 1.4/week to 5.1, 5.8, and 5.1 per week at 2 months, 4 months, and long-term, respectively (p ≤ 0.001). Soiling decreased in all from a mean of 5.5/week to 0.6, 0.1, and 1 per week at 2 months, 4 months, and long-term, respectively (p ≤ 0.001). Laxative use decreased from a mean of 4.1 days/week to 0.6, 0.3, and 0.7 per week at 2 months, 4 months, and long-term, respectively (p ≤ 0.001). Twenty-seven of 30 parents ranked their satisfaction a mean of 2.2 (range 1-excellent to 3-good). There were no significant differences in outcomes between the laboratory alone group and the laboratory plus home group. Biofeedback is beneficial for some children with chronic constipation and dyssynergic defecation. Supplemental home biofeedback does not improve long-term outcomes.

Original languageEnglish (US)
Pages (from-to)63-71
Number of pages9
JournalClinical Pediatrics
Volume44
Issue number1
DOIs
StatePublished - Jan 1 2005

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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