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Randomized Controlled Trial
. 2014 Aug;59(2):244-53.
doi: 10.1097/MPG.0000000000000366.

Iyengar yoga for adolescents and young adults with irritable bowel syndrome

Subhadra Evans  1 , Kirsten C Lung, Laura C Seidman, Beth Sternlieb, Lonnie K Zeltzer, Jennie C I Tsao
Affiliations
Randomized Controlled Trial

Iyengar yoga for adolescents and young adults with irritable bowel syndrome

Subhadra Evans et al. J Pediatr Gastroenterol Nutr. 2014 Aug.

Abstract

Objectives: Irritable bowel syndrome (IBS) is a chronic, disabling condition that greatly compromises patient functioning. The aim of this study was to assess the impact of a 6-week twice per week Iyengar yoga (IY) program on IBS symptoms in adolescents and young adults (YA) with IBS compared with a usual-care waitlist control group.

Methods: Assessments of symptoms, global improvement, pain, health-related quality of life, psychological distress, functional disability, fatigue, and sleep were collected pre- and posttreatment. Weekly ratings of pain, IBS symptoms, and global improvement were also recorded until 2-month follow-up. A total of 51 participants completed the intervention (yoga = 29; usual-care waitlist = 22).

Results: Baseline attrition was 24%. On average, the yoga group attended 75% of classes. Analyses were divided by age group. Relative to controls, adolescents (14-17 years) assigned to yoga reported significantly improved physical functioning, whereas YA (18-26 years) assigned to yoga reported significantly improved IBS symptoms, global improvement, disability, psychological distress, sleep quality, and fatigue. Although abdominal pain intensity was statistically unchanged, 44% of adolescents and 46% of YA reported a minimally clinically significant reduction in pain following yoga, and one-third of YA reported clinically significant levels of global symptom improvement. Analysis of the uncontrolled effects and maintenance of treatment effects for adolescents revealed global improvement immediately post-yoga that was not maintained at follow-up. For YA, global improvement, worst pain, constipation, and nausea were significantly improved postyoga, but only global improvement, worst pain, and nausea maintained at the 2-month follow-up.

Conclusions: The findings suggest that a brief IY intervention is a feasible and safe adjunctive treatment for young people with IBS, leading to benefits in a number of IBS-specific and general functioning domains for YA. The age-specific results suggest that yoga interventions may be most fruitful when developmentally tailored.

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Conflict of interest statement

The authors report no conflicts of interest.

Figures

FIGURE 1
FIGURE 1
Study participant flowchart.
FIGURE 2
FIGURE 2
A, Adolescents: percentage of each group responding to the GIS categories. B, YA: percentage of each group responding to the GIS categories. GIS = Global Improvement Scale; YA = young adults.
FIGURE 3
FIGURE 3
A, Adolescents: weekly monitoring of belly pain, constipation, diarrhea, and nausea (pre-, during, and post-yoga) for the combined yoga and waitlist groups. B, YA: weekly monitoring of belly pain, constipation, diarrhea, and nausea (pre-, during, and post yoga) for the combined yoga and waitlist groups. YA = young adults.
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