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Treatment With Hypnotherapy Reduces the Sensory and Motor Component of the Gastrocolonic Response in Irritable Bowel Syndrome

Magnus Simrén, MD, PhD, Gisela Ringström, RN, Einar S. Björnsson, MD, PhD and Hasse Abrahamsson, MD, PhD

From the Department of Internal Medicine, Sahlgrenska University Hospital, Göteborg, Sweden.



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  		Figure 1. A schematic drawing of the study design.

 


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  		Figure 2. Colonic sensory thresholds at baseline (mean ± SEM), ie, before the treatment period in the control group (N = 14, black bars) and hypnotherapy group (N = 14, white bars). The thresholds for the sensations are shown before and after duodenal lipid infusion. *p < .05, **p < .01, ***p < .001 vs. before lipid infusion for the same sensation.

 


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  		Figure 3. Colonic sensory thresholds before and after duodenal lipid infusion (mean ± SEM) in the control group (A; N = 13) and the hypnotherapy group (B; N = 13) after the treatment period. Significant reductions of the sensory thresholds after vs. before the lipid infusion are seen for gas, discomfort and pain in the control group (A), but only for pain in the hypnotherapy group (B). **p < .01 vs. before lipid infusion

 


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  		Figure 4. Colonic balloon volumes (mean ± SEM) in the fasting state (before lipids) and during the first (0 to 30 minutes) and second (30 to 60 minutes) half-hour of duodenal lipid infusion before the treatment period (baseline; A) and after treatment (B). The balloon volumes reflect colonic tone, and significant reductions in the balloon volumes during the lipid infusion compared with before are seen in both groups, as an indicator of increased tone at baseline (A). However, after the treatment period (B), significant reductions in the balloon volumes during the lipid infusion compared with before are seen only in the control group, indicating increased tone, whereas no colonic tone response to the duodenal lipids is seen in the hypnotherapy group. Moreover, the balloon volumes before lipids are significantly lower in the hypnotherapy group than in the control group after treatment (p < .05; B), whereas no differences are seen at baseline (A).

 




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