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Nutrients
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Clinical Nutrition in the Management of Irritable Bowel Syndrome
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Clinical Nutrition in the Management of Irritable Bowel Syndrome

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Clinical Nutrition".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 21027

Special Issue Editor

Prof. Dr. Peter C. Konturek

E-Mail Website
Guest Editor
Thuringia Clinic Saalfeld, Teaching Hospital of the University of Jena, 07318 Saalfeld, Germany
Interests: irritable bowel syndrome; gut microbiota; food intolerance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Irritable Bowel Syndrome (IBS) represents the most common functional disorder of the gastrointestinal tract characterized by chronic or recurrent abdominal pain associated with altered bowel habits. The diferential diagnosis of IBS is very broad an include celiac disease, multiple food intolerances, food allergies colorectal cancer, neuroendocrine tumor, inflammatory bowel disaease, ischemic colitis, pancreatic insufficiency , small intestinal bacterial overgrowth,  psychiatric disorders and others.

The management of IBS is multifaceted including general measures, pharmacological therapy, diet (FODMAP-low diet), microbiota-modulating therapy (pre- pro- and synbiotics, fecal microbiota therapy) and complementary alternative therapies.

This issue is focused on the new developments in the diagnosis and treatment of IBS and the role of nutritional management in the treatment of this disease.

Prof. Dr. Peter C. Konturek
Guest Editor

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Keywords

  • irritable bowel syndrome
  • microbiota-gut-brain axis
  • microbial
  • metabolites
  • COVID-19
  • histamine
  • mast cells
  • tryptase
  • histamine intolerance
  • motility
  • visceral pain
  • food allergy
  • food intolerance
  • FODMAP
  • therapy

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Published Papers (3 papers)

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Research

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12 pages, 1296 KiB  
Article
Blueberries Improve Abdominal Symptoms, Well-Being and Functioning in Patients with Functional Gastrointestinal Disorders
by Clive H. Wilder-Smith, Andrea Materna and Søren S. Olesen
Nutrients 2023, 15(10), 2396; https://doi.org/10.3390/nu15102396 - 20 May 2023
Cited by 4 | Viewed by 4500
Abstract
Blueberries beneficially modulate physiologic mechanisms relevant to the pathogenesis of functional gastrointestinal disorders (FGID). Forty-three patients with FGID received freeze-dried blueberries (equivalent to 180 g fresh blueberries) or sugar and energy-matched placebo in a double-blind, randomized, cross-over study. After 6 weeks of treatment, [...] Read more.
Blueberries beneficially modulate physiologic mechanisms relevant to the pathogenesis of functional gastrointestinal disorders (FGID). Forty-three patients with FGID received freeze-dried blueberries (equivalent to 180 g fresh blueberries) or sugar and energy-matched placebo in a double-blind, randomized, cross-over study. After 6 weeks of treatment, the differences in Gastrointestinal Clinical Rating Scale (GSRS) scores and abdominal symptom relief were compared as primary outcome measures. The quality of life and life functioning ratings (OQ45.2 questionnaire), Bristol stool scales, and fructose breath test results constituted secondary outcome measures. Blueberry treatment resulted in more patients with relevant abdominal symptom relief compared to placebo (53% vs. 30%, p = 0.03). Total and pain GSRS scores improved insignificantly (mean treatment differences [95% CI]: −3.4 [−7.4 to 0.6] (p = 0.09) and −1.0 [−2.2 to 0.1] (p = 0.08), respectively). OQ45.2 scores improved during blueberry treatment compared to placebo (treatment difference −3.2 [95% CI: −5.6 to −0], p = 0.01). Treatment effect differences for the further measures did not reach statistical significance. Blueberries relieved abdominal symptoms and improved general markers of well-being, quality of life, and life functioning more than placebo in patients with FGID. Consequently, the polyphenol and fiber components of blueberries exert broad beneficial effects separate from the sugars present in both treatments. Full article
(This article belongs to the Special Issue Clinical Nutrition in the Management of Irritable Bowel Syndrome)
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13 pages, 1765 KiB  
Article
Two Gold Kiwifruit Daily for Effective Treatment of Constipation in Adults—A Randomized Clinical Trial
by Simone B. Bayer, Phoebe Heenan, Chris Frampton, Catherine L. Wall, Lynley N. Drummond, Nicole C. Roy and Richard B. Gearry
Nutrients 2022, 14(19), 4146; https://doi.org/10.3390/nu14194146 - 6 Oct 2022
Cited by 12 | Viewed by 7977
Abstract
Chronic constipation is highly prevalent worldwide and may be managed with two green or three gold kiwifruit daily. It is unknown whether a smaller standard serve of gold kiwifruit (two daily) is as effective in constipation management. The study aimed to improve chronic [...] Read more.
Chronic constipation is highly prevalent worldwide and may be managed with two green or three gold kiwifruit daily. It is unknown whether a smaller standard serve of gold kiwifruit (two daily) is as effective in constipation management. The study aimed to improve chronic constipation with two gold kiwifruit and psyllium in lieu of a placebo daily over four weeks. Adult participants (18–65 years) with functional constipation (FC, n = 11), constipation-predominant irritable bowel syndrome (IBS-C, n = 13), and healthy controls (n = 32) were block-randomized to the treatment order: gold kiwifruit (2/day) or psyllium (fiber-matched, 7.5 g/day) for four weeks, followed by four weeks washout before crossover. Outcomes included alterations of Gastrointestinal Symptom Rating Scale (GSRS) domains and weekly complete spontaneous bowel movements (CSBM) as part of a larger study. Both interventions reduced GSRS constipation domain scores in all subjects compared to baseline values (p = 0.004). All participants reported significantly more weekly CSBM (p = 0.014). Two gold kiwifruit decreased straining (p = 0.021). Two gold kiwifruit daily are as effective as fiber-matched psyllium in treating constipation in adults and should be considered as a treatment option. Full article
(This article belongs to the Special Issue Clinical Nutrition in the Management of Irritable Bowel Syndrome)
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Review

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21 pages, 665 KiB  
Review
Effects of a Low-FODMAP Diet on Irritable Bowel Syndrome in Both Children and Adults—A Narrative Review
by Ionela-Daniela Morariu, Liliana Avasilcai, Madalina Vieriu, Vasile Valeriu Lupu, Branco-Adrian Morariu, Ancuța Lupu, Paula-Cristina Morariu, Oana-Lelia Pop, Iuliana Magalena Starcea and Laura Trandafir
Nutrients 2023, 15(10), 2295; https://doi.org/10.3390/nu15102295 - 13 May 2023
Cited by 15 | Viewed by 7874
Abstract
Irritable bowel syndrome is a typical gastrointestinal disease that causes bloating, flatulence, abdominal pain, diarrhoea, constipation, or alteration of the last two in adults and children. A diet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAP) is one of the potential treatment [...] Read more.
Irritable bowel syndrome is a typical gastrointestinal disease that causes bloating, flatulence, abdominal pain, diarrhoea, constipation, or alteration of the last two in adults and children. A diet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAP) is one of the potential treatment strategies to reduce abdominal symptoms and increase the quality of life. The present narrative review aims to present a general overview of current studies that have evaluated the efficacy of a low-FODMAP diet against other diets in gastrointestinal symptoms, nutrient intake in adults and children, and lifestyle quality. The research was performed using seven searchable databases, which included the Cochrane Central Register of Controlled Trials (CENTRAL), Cochrane Database of Systematic Reviews (CDSR), Excerpta Medica Database (EMBASE), Medline, PubMed, Scopus, and Web of Science, up to March 2023. In conclusion, there is significant evidence that the follow-up of a low-FODMAP diet might be a feasible first-line therapeutic strategy to reduce stomach discomfort, pain, bloating, and quality of life for patients with irritable bowel syndrome. Full article
(This article belongs to the Special Issue Clinical Nutrition in the Management of Irritable Bowel Syndrome)
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