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Nutrients 2013, 5(11), 4380-4389; doi:10.3390/nu5114380
Article

Long-Term Consumption of Oats in Adult Celiac Disease Patients

1,2,3,* , 1,2
,
4
 and
5
1 Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere FIN-33521, Finland 2 School of Medicine, University of Tampere, Tampere FIN-33014, Finland 3 Department of Medicine, Seinäjoki Central Hospital, Seinäjoki FIN-60220, Finland 4 School of Health Sciences, University of Tampere, Tampere FIN-33014, Finland 5 Center for Child Health Research, University of Tampere and Tampere University Hospital, Tampere FIN-33014, Finland
* Author to whom correspondence should be addressed.
Received: 29 August 2013 / Revised: 21 October 2013 / Accepted: 25 October 2013 / Published: 6 November 2013
(This article belongs to the Special Issue Nutrition and Celiac Disease)
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Abstract

Many celiac disease patients tolerate oats, but limited data are available on its long-term consumption. This was evaluated in the present study, focusing on small-bowel mucosal histology and gastrointestinal symptoms in celiac adults maintaining a strict gluten-free diet with or without oats. Altogether 106 long-term treated celiac adults were enrolled for this cross-sectional follow-up study. Daily consumption of oats and fiber was assessed, and small-bowel mucosal morphology and densities of CD3+, αβ+ and γσ+ intraepithelial lymphocytes determined. Gastrointestinal symptoms were assessed by a validated Gastrointestinal Symptom Rating Scale questionnaire. Seventy (66%) out of the 106 treated celiac disease patients had consumed a median of 20 g of oats (range 1–100 g) per day for up to eight years; all consumed oat products bought from general stores. Daily intake and long-term consumption of oats did not result in small-bowel mucosal villous damage, inflammation, or gastrointestinal symptoms. Oat-consumers had a significantly higher daily intake of fiber than those who did not use oats. Two thirds of celiac disease patients preferred to use oats in their daily diet. Even long-term ingestion of oats had no harmful effects.
Keywords: celiac disease; gluten-free diet; morphology; oats; questionnaire; small-bowel celiac disease; gluten-free diet; morphology; oats; questionnaire; small-bowel
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kaukinen, K.; Collin, P.; Huhtala, H.; Mäki, M. Long-Term Consumption of Oats in Adult Celiac Disease Patients. Nutrients 2013, 5, 4380-4389.

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