Fermented cereal with specific bifidobacteria normalizes bowel movements in elderly nursing home residents. A randomized, controlled trial
Pitkala, K.H.; Strandberg, T.E.; Finne Soveri, U.H.; Ouwehand, A.C.; Poussa, T.; Salminen, S.
Journal of Nutrition Health and Aging 11(4): 305-311
2007
ISSN/ISBN: 1279-7707 PMID: 17653486 Document Number: 2762
Objective: To assess how fermented oat drink with two selected Bifidobacterium longum strains influences bowel movements among elderly nursing home residents. Design: A randomized, double-blind. placebo-controlled trial. Setting: 12 wards in two nursing homes in Finland. Participants: 209 residents Intervention: Wards were randomized to receive daily a fermented oat drink with 1) 109 CFU/day Bifidobacterium longum strains or 2) 109 CFU/day Bifidobacterium lactis Bb12 or 3) without viable bacteria (placebo) for 7 months. Measurements: Regularity of bowel movements (no movements or functioning) and consistency of stools (normal, soft or diarrhoea) were recorded for each resident on a daily basis. Results: The fermented oat drinks were well taken by the subjects, compliance being 85%. The groups receiving active products had more frequent bowel movements than did the placebo group (B. longum group normal functioning 28.5% of follow-up days, B.lactis group 26.9%, and placebo group 20.0%, respectively). The differences between the B. longum and the placebo group (mean 7.1, 95% CI 2.3 - 11.9, p=0.004) and between the B.lactis group and the placebo (mean 6.7, 95% CI 2.5 - 10.9, p=0.002) were significant even when diarrhoea and constipation in the 3 months prior to the study were used as covariates. Conclusions: It is possible to normalize bowel movements in frail nursing home residents with natural food supplies consisting of probiotics (B. longum or B. lactis).
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