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Alavinejad P, Nayebi M, Parsi A, Farsi F, Maghool F, Alipour Z, Alimadadi M, Ahmed MH, Cheraghian B, Hang DV, Shahrokh S, Emami MH, Hashemi SJ, Alboraie M, Dehnavi D, Riazi M, Seyedian SS, Emara MH, Lenz L, Tran QT, Shahinzadeh S, Daryani NE, Hajiani E, Moghaddam EK, Shahi MM, Rezvanifar M, Azimi T. IS DAIRY FOODS RESTRICTION MANDATORY FOR INFLAMMATORY BOWEL DISEASE PATIENTS: A MULTINATIONAL CROSS-SECTIONAL STUDY. ARQUIVOS DE GASTROENTEROLOGIA 2022; 59:358-364. [PMID: 36102432 DOI: 10.1590/s0004-2803.202203000-65] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/18/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The role of dairy foods in inflammatory bowel disease (IBD) has been controversial and it is debatable if patients with IBD should avoid milk and dairy products or not, as well as the relationship between these foods and symptoms among those population. OBJECTIVE This multi centric cross-sectional study designed to evaluate if it is really necessary to deprive IBD patients from consumption of dairy foods. METHODS A multicenter study with 12 gastroenterology referral centers in four countries was designed to evaluate gastrointestinal (GI) symptoms after consumption of dairy foods from all outpatients with IBD during 6 months and to compare patients treated at the same centers without IBD (non IBD cases). RESULTS Overall 1888 cases included (872 IBD patients and 1016 non IBD cases). 56.6% of participants were female with average age of 40.1 years. Racially 79.8% participants were Caucasians and originally they were citizens of 10 countries. Relative prevalence of IBD was higher in Africans and Indians and the most frequent prevalence of dairy foods intolerance was seen in Asians. Among IBD patients, 571 cases diagnosed as ulcerative colitis and 189 participants as Crohn's disease. Average duration of diagnosis as IBD was 6.8 years (from 2 months to 35 years). The most prevalent GI symptoms after consumption of all the dairy foods were bloating and abdominal pain. Totally, intolerance of dairy foods and lactase deficiency was more prevalent among IBD patients in comparison with non IBD cases (65.5% vs 46.1%, P=0.0001). But the rate of GI complains among IBD patients who had not any family history of lactase deficiency, history of food sensitivity or both were 59.91%, 52.87% & 50.33% respectively and similar to non IBD cases (P=0.68, 0.98 & 0.99 respectively). CONCLUSION The rate of dairy foods intolerance among IBD patients without family history of lactase deficiency or history of food sensitivity is similar to non IBD cases and probably there is no reason to deprive them from this important source of dietary calcium, vitamin D and other nutrients.
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Affiliation(s)
- Pezhman Alavinejad
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
- World Endoscopy Organization, emerging star group, Munich, Germany
| | - Morteza Nayebi
- Shahid Rajaie Cardiovascular, Medical & Research Center, Tehran, Iran
| | - Abazar Parsi
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Farnaz Farsi
- Minimally invasive surgery research center, Iran University of Mediceal Sciences, Tahran, Iran
| | - Fatemeh Maghool
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zeinab Alipour
- Division of clinical studies, The Persian Gulf Nuclear Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Mehdi Alimadadi
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Golestan, Iran
| | - Mohammed Hussien Ahmed
- Hepatology, Gastroenterology and Infectious Diseases Department, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Bahman Cheraghian
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Dao Viet Hang
- Internal Medicine Faculty - Hanoi Medical University (HMU), Vietnam
| | - Shabnam Shahrokh
- Research Institute for Gastroenterology and Liver Disease, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Hasan Emami
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyed Jalal Hashemi
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Mohamed Alboraie
- Department of Internal Medicine, Al-Azhar University, Cairo, Egypt
- World Endoscopy Organization, emerging star group, Munich, Germany
| | - Damoon Dehnavi
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Maryam Riazi
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Seyed Saeid Seyedian
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Mohamed H Emara
- Hepatology, Gastroenterology and Infectious Diseases Department, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
- World Endoscopy Organization, emerging star group, Munich, Germany
| | - Luciano Lenz
- Fleury Medicina e Saude, Institute do Cancer do Estado de Sao Paulo, Sao Paulo, Brazil
- World Endoscopy Organization, emerging star group, Munich, Germany
| | - Quang Trung Tran
- Department of Internal Medicine, University of Medicine and Pharmacy, Hue University, Vietnam
- World Endoscopy Organization, emerging star group, Munich, Germany
| | - Sam Shahinzadeh
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | | | - Eskandar Hajiani
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Elham Karimi Moghaddam
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Majid Mohammad Shahi
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Maryam Rezvanifar
- Alimentary Tract Research Center, Imam Khomeini hospital clinical research development Unit, The school of medicine, Ahvaz Jundishapur University of Medical sciences, Ahvaz, Iran
| | - Tahereh Azimi
- Department of nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Sadeghi O, Milajerdi A, Siadat SD, Keshavarz SA, Sima AR, Vahedi H, Adibi P, Esmaillzadeh A. Effects of soy milk consumption on gut microbiota, inflammatory markers, and disease severity in patients with ulcerative colitis: a study protocol for a randomized clinical trial. Trials 2020; 21:565. [PMID: 32576228 PMCID: PMC7310397 DOI: 10.1186/s13063-020-04523-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 06/16/2020] [Indexed: 02/06/2023] Open
Abstract
Background Several strategies are recommended to alleviate clinical symptoms of ulcerative colitis (UC). Soy milk may affect UC through its anti-inflammatory properties. However, no study has examined the effects of soy milk consumption on gut microbiota and inflammatory biomarkers in patients with UC. The current study will be done to examine the effects of soy milk consumption on UC symptoms, inflammation, and gut microbiota in patients with UC. Methods This study is a randomized clinical trial, in which thirty patients with mild to moderate severity of UC will be randomly allocated to receive either 250 mL/day soy milk plus routine treatments (n = 15) or only routine treatments (n = 15) for 4 weeks. Assessment of anthropometric measures and biochemical indicators including serum concentrations of high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interferon gamma (IFN-γ) will be done at the study baseline and end of trial. In addition, the quantity of butyrate-producing bacteria including Clostridium cluster IV, Faecalibacterium prausnitzii, and Roseburia spp.; prebiotic bacteria including Lactobacillus spp. and Bifidobacteria spp.; and mucus-degrading bacteria including Akkermansia muciniphila, Bacteroides fragilis, and Ruminococcus spp., as well as calprotectin and lactoferrin levels, will be explored in fecal samples. Also, the Firmicutes to Bacteroidetes ratio which is of significant relevance in human gut microbiota composition will be assessed. Discussion Altered gut microbiota has been reported as an important contributing factor to inflammation in patients with inflammatory bowel disease (IBD). Soy milk contains several components such as phytoestrogens with potential anti-inflammatory properties. This product might affect gut microbiota through its protein and fiber content. Therefore, soy milk might beneficially affect systemic inflammation, gut microbiota, and then clinical symptoms in patients with UC. Trial registration Iranian Registry of Clinical Trials (www.irct.ir) IRCT20181205041859N1. Registered on 27 January 2019.
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Affiliation(s)
- Omid Sadeghi
- Students Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P.O. Box 14155-6117, Tehran, Iran
| | - Alireza Milajerdi
- Students Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P.O. Box 14155-6117, Tehran, Iran
| | - Seyed Davar Siadat
- Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Seyed Ali Keshavarz
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Reza Sima
- Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Homayoon Vahedi
- Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Peyman Adibi
- Integrative Functional Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ahmad Esmaillzadeh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P.O. Box 14155-6117, Tehran, Iran. .,Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. .,Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
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Szilagyi A, Galiatsatos P, Xue X. Systematic review and meta-analysis of lactose digestion, its impact on intolerance and nutritional effects of dairy food restriction in inflammatory bowel diseases. Nutr J 2016; 15:67. [PMID: 27411934 PMCID: PMC4942986 DOI: 10.1186/s12937-016-0183-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 06/29/2016] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Relationships between inflammatory bowel disease and lactose containing foods remain controversial and poorly defined regarding symptoms, nutritional outcomes, and epidemiologic associations for lactose maldigestion. METHODS A literature review was performed using Pub Med, Cochrane library and individual references, to extract data on lactose maldigestion prevalence in inflammatory bowel diseases. A meta-analysis was done using selected articles, to determine odds ratios of maldigestion. Information was collected about symptoms, impact on pattern of dairy food consumption, as well as the effects of dairy foods on the course of inflammatory bowel diseases. RESULTS A total of 1022 articles were evaluated, 35 articles were retained and 5 studies were added from review articles. Of these 17 were included in meta-analysis which showed overall increased lactose maldigestion in both diseases. However increased risk on sub analysis was only found in Crohn's in patients with small bowel involvement. Nine additional studies were reviewed for symptoms, with variable outcomes due to confounding between lactose intolerance and lactose maldigestion. Fourteen studies were evaluated for dairy food effects. There was a suggestion that dairy foods may protect against inflammatory bowel disease. Nutritional consequences of dairy restrictions might impact adversely on bone and colonic complications. CONCLUSIONS Lactose maldigestion in inflammatory bowel disease is dependent on ethnic makeup of the population and usually not disease. No bias of increased disease prevalence was noted between lactase genotypes. Intolerance symptoms depend on several parameters besides lactose maldigestion. Dairy foods may decrease risks of inflammatory bowel disease. Dairy restrictions may adversely affect disease outcome.
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Affiliation(s)
- Andrew Szilagyi
- Division of Gastroenterology, Department of Medicine, Jewish General Hospital, Room E-110,3755 Cote Ste Catherine Rd, Montreal, QC H3T 1E2 Canada
| | - Polymnia Galiatsatos
- Division of Gastroenterology, Department of Medicine, Jewish General Hospital, Room E-110,3755 Cote Ste Catherine Rd, Montreal, QC H3T 1E2 Canada
| | - Xiaoqing Xue
- Department of Emergency Medicine, Jewish General Hospital, McGill University, Montreal, QC Canada
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