Titre:	Probiotics, prebiotics, and synbiotics in chronic constipation : outstanding aspects to be considered for the current evidence
Auteur(s):	Araújo, Maísa Miranda Botelho, Patrícia Borges
metadata.dc.contributor.affiliation:	University of Brasília, Faculty of Health Science, Department of Nutrition University of Brasília, Faculty of Health Science, Department of Nutrition
Assunto::	Sistema gastrointestinal Probióticos Constipação intestinal Prebióticos
Date de publication:	8-déc-2022
Editeur:	Frontiers Media
Référence bibliographique:	ARAÚJO, Maísa Miranda; BOTELHO, Patrícia Borges. Probiotics, prebiotics, and synbiotics in chronic constipation: outstanding aspects to be considered for the current evidence. Frontiers in Nutrition, [s. l.], v. 9, 935830, 2022. DOI: https://doi.org/10.3389/fnut.2022.935830. Disponível em: https://www.frontiersin.org/articles/10.3389/fnut.2022.935830/full. Acesso em: 02 out. 2023.
Abstract:	This integrative aimed to evaluate the effects and the potential mechanism of action of prebiotics, probiotics, and synbiotics on constipation-associated gastrointestinal symptoms and to identify issues that still need to be answered. A literature search was performed in the PubMed database. Animal models (n = 23) and clinical trials (n = 39) were included. In animal studies, prebiotic, probiotic, and synbiotic supplementation showed a decreased colonic transit time (CTT) and an increase in the number and water content of feces. In humans, inulin is shown to be the most promising prebiotic, while B. lactis and L. casei Shirota probiotics were shown to increase defecation frequency, the latter strain being more effective in improving stool consistency and constipation symptoms. Overall, synbiotics seem to reduce CTT, increase defecation frequency, and improve stool consistency with a controversial effect on the improvement of constipation symptoms. Moreover, some aspects of probiotic use in constipation-related outcomes remain unanswered, such as the best dose, duration, time of consumption (before, during, or after meals), and matrices, as well as their effect and mechanisms on the regulation of inflammation in patients with constipation, on polymorphisms associated with constipation, and on the management of constipation via 5-HT. Thus, more high-quality randomized control trials (RCTs) evaluating these lacking aspects are necessary to provide safe conclusions about their effectiveness in managing intestinal constipation.
metadata.dc.description.unidade:	Faculdade de Ciências da Saúde (FS) Departamento de Nutrição (FS NUT)
Licença::	(CC-BY) © 2022 Araújo and Botelho. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
DOI:	https://doi.org/10.3389/fnut.2022
Collection(s) :	Artigos publicados em periódicos e afins

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