Effect of dietary fiber on constipation: A meta analysis

Yang, Jing; Wang, Haipeng; Zhou, Li; Xu, Chunfang

doi:10.3748/wjg.v18.i48.7378

Cited by 226 publications

(157 citation statements)

References 25 publications

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“…84 However, it is not clear that dietary fiber improves stool consistency, treatment success, laxative use, or painful defecation. 83 15. Statement: Dietary fiber intake is an initial strategy in the management of chronic constipation because it has some benefits, is easy to implement, is low cost, and there is little risk of serious adverse events.…”

Section: Statement: Dietary Fiber Can Increase Stool Frequency In Patmentioning

confidence: 99%

“…82 A recent meta-analysis concluded that dietary fiber intake can clearly increase stool frequency in patients with constipation. 83 Naturally occurring fiber types include soluble highly fermentable oligosaccharides (eg, fructo-oligosaccharides and galactooligosaccharides), soluble highly fermentable fiber (eg, resistant starch, pectin, guar gum), intermediate soluble fermentable fiber (eg, psyllium and oats), insoluble slowly fermentable fiber (eg, wheat bran, fruit, and vegetables), and insoluble non-fermentable fiber (eg, cellulose and sterculia). 81 Good laxative effects were observed in intermediate soluble fermentable fibers, insoluble slowly fermentable fibers, and insoluble non-fermentable fibers.…”

Section: Statement: Dietary Fiber Can Increase Stool Frequency In Patmentioning

confidence: 99%

See 1 more Smart Citation

Guidelines for the Diagnosis and Treatment of Chronic Functional Constipation in Korea, 2015 Revised Edition

Shin

Jung

Lee

et al. 2016

J Neurogastroenterol Motil

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The Korean Society of Neurogastroenterology and Motility first published guidelines for chronic constipation in 2005 and was updated in 2011. Although the guidelines were updated using evidence-based process, they lacked multidisciplinary participation and did not include a diagnostic approach for chronic constipation. This article includes guidelines for diagnosis and treatment of chronic constipation to realistically fit the situation in Korea and to be applicable to clinical practice. The guideline development was based upon the adaptation method because research evidence was limited in Korea, and an organized multidisciplinary group carried out systematical literature review and series of evidence-based evaluations. Six guidelines were selected using the Appraisal of Guidelines for Research & Evaluation (AGREE) II process. A total 37 recommendations were adopted, including 4 concerning the definition and risk factors of chronic constipation, 8 regarding diagnoses, and 25 regarding treatments. The guidelines are intended to help primary physicians and general health professionals in clinical practice in Korea, to provide the principles of medical treatment to medical students, residents, and other healthcare professionals, and to help patients for choosing medical services based on the information. These guidelines will be updated and revised periodically to reflect new diagnostic and therapeutic methods.

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Section: Statement: Dietary Fiber Can Increase Stool Frequency In Patmentioning

confidence: 99%

Section: Statement: Dietary Fiber Can Increase Stool Frequency In Patmentioning

confidence: 99%

Guidelines for the Diagnosis and Treatment of Chronic Functional Constipation in Korea, 2015 Revised Edition

Shin

Jung

Lee

et al. 2016

J Neurogastroenterol Motil

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“…Yang et al (61) undertook a meta-analysis of five good-quality randomised controlled trials that compared the effects of dietary fibre interventions with placebo in patients with constipation. Three of the included randomised controlled trials used glucomannan, one wheat bran, and one cocoa husk.…”

Section: Gastrointestinal Healthmentioning

confidence: 99%

Dietary fibre in Europe: current state of knowledge on definitions, sources, recommendations, intakes and relationships to health

Stephen

Champ

Cloran³

et al. 2017

Nutr. Res. Rev.

541

483

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Research into the analysis, physical properties and health effects of dietary fibre has continued steadily over the last 40-50 years. From the knowledge gained, countries have developed guidelines for their populations on the optimal amount of fibre to be consumed each day. Food composition tables from many countries now contain values for the dietary fibre content of foods, and, from these, combined with dietary surveys, population intakes have been determined. The present review assessed the uniformity of the analytical methods used, health claims permitted, recommendations and intakes, particularly from national surveys across Europe and around the world. It also assessed current knowledge on health effects of dietary fibre and related the impact of different fibre types on health. The overall intent was to be able to provide more detailed guidance on the types of fibre which should be consumed for good health, rather than simply a total intake figure, the current situation. Analysis of data indicated a fair degree of uniformity in the definition of dietary fibre, the method used for analysis, the recommended amount to be consumed and a growing literature on effects on digestive health and disease risk. However, national dietary survey data showed that intakes do not reach recommendations and very few countries provide guidance on the types of fibre that are preferable to achieve recommended intakes. Research gaps were identified and ideas suggested to provide information for more detailed advice to the public about specific food sources that should be consumed to achieve health benefits.

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“…A meta-analysis demonstrated that dietary fiber can increase stool frequency in patients with constipation but also showed that dietary fiber did not improve stool consistency, treatment success, laxative use and painful defecation 8 . On the consumption of fruits there are very few studies.…”

Section: Exclusion Criteriamentioning

confidence: 99%

Improvement of functional constipation with kiwifruit intake in a Mediterranean patient population: An open, non-randomized pilot study

Cunillera

Almeda

Mascort

et al. 2015

Rev Esp Nutr Hum Diet

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Introduction:Kiwifruit consumption has shown to improve functional constipation in healthy elderly population, according to studies in New Zealand and China. The aim of this study was to evaluate the effect of kiwifruit intake on functional constipation in a Mediterranean patient population characterized by its distinctive nutritional habits. Material and Methods:An open, non-controlled and non-randomized longitudinal study was conducted in 46 patients with constipation (Rome III criteria). Patients monitored for five weeks: weeks 1 and 2 no kiwifruit and weeks 3-5 three kiwifruit per day (Green kiwifruit, Actinidia deliciosa var Hayward). Bristol Scale, volume of stools, and ease of defecation was self-reported daily. The evolution of the categorical variables was tested using the Bhapkar test; functional data methodology was used for continuous variables, and Generalized Estimating Equation (GEE) models were adjusted. Results: The percentage of patients with ≥3 stools per week increased from 82.61% (95% CI: 69-91.2) at week 1 to 97.78% (95% CI: 87.4-99.9) at week 2 of kiwifruit intake, with 76.09% (95% CI: 61.9-86.2) responding during the first week. The reporting of stable ideal stools increased from 17.39% (95% CI: 8.8-31) at week 2 to 33.33% (95% CI: 21.3-48) at week 5. According to GEE models, the number of depositions increased significantly (p-values<0.001) in 0.398 daily units at week 1 the first week of intake, up to 0.593 daily units at week 5; significant improvements on facility in evacuation and volume of evacuation were found from the first week of intake (all p-values<0.001). Conclusions:The intake of three kiwifruits per day significantly improves the quality of evacuation (number of depositions, volume, consistency and ease) in a Mediterranean patient population suffering from functional constipation. Introducción: Consumir kiwi mejora el estreñimiento funcional en la población anciana sana de Nueva Zelanda y China. Nuestro objetivo es evaluar el efecto del kiwi en la población mediterránea con estreñimiento. Material y métodos: Estudio prospectivo longitudinal no cegado no aleatorizado. 46 pacientes adultos con estreñimiento (criterios Roma-III) fueron seguidos durante cinco semanas: dos previas y tres durante la intervención (3 kiwi/día) (Green kiwifruit, Actinidia deliciosa var Hayward). Autoinforme diario del número de deposiciones, consistencia y volumen heces y facilidad de evacuación. La evolución de las variables categóricas se testó con el test Bhapkar, las variables continuas mediante metodología de análisis de datos funcionales ajustando modelos basados en las ecuaciones de estimación generalizadas (GEE). Resultados: El porcentaje de pacientes con ≥3 deposiciones/semana aumentó de 82,61% (IC 95%: 69-91,2) en la primera semana hasta 97,78% (IC 95%: 87,4-99,9) al final de semana 2 de consumo, con una respuesta del 76,09% (IC 95%: 61,9-86,2) en la primera semana. El porcentaje de heces consideradas ideales pasó de 17,39% (IC 95%: 8, en la segunda semana a 33,33% (IC 95%: 21,3-48) en la...

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Effect of dietary fiber on constipation: A meta analysis

Abstract: Dietary fiber intake can obviously increase stool frequency in patients with constipation. It does not obviously improve stool consistency, treatment success, laxative use and painful defecation.

Cited by 226 publications

References 25 publications

Guidelines for the Diagnosis and Treatment of Chronic Functional Constipation in Korea, 2015 Revised Edition

Guidelines for the Diagnosis and Treatment of Chronic Functional Constipation in Korea, 2015 Revised Edition

Dietary fibre in Europe: current state of knowledge on definitions, sources, recommendations, intakes and relationships to health

Improvement of functional constipation with kiwifruit intake in a Mediterranean patient population: An open, non-randomized pilot study

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