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Akobeng AK, Zhang D, Gordon M, MacDonald JK. Enteral nutrition for maintenance of remission in Crohn's disease. Cochrane Database Syst Rev 2018; 8:CD005984. [PMID: 30098021 PMCID: PMC6513617 DOI: 10.1002/14651858.cd005984.pub3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Prevention of relapse is a major issue in the management of quiescent Crohn's disease (CD). Current therapies (e.g. methotrexate, biologics, 6-mercaptopurine and azathioprine) may be effective for maintaining remission in CD, but these drugs may cause significant adverse events. Interventions that are effective and safe for maintenance of remission in CD are desirable. OBJECTIVES The primary objectives were to evaluate the efficacy and safety of enteral nutrition for the maintenance of remission in CD and to assess the impact of formula composition on effectiveness. SEARCH METHODS We searched MEDLINE, Embase, CENTRAL, the Cochrane IBD Group Specialized Register and clinicaltrials.gov from inception to 27 July 2018. We also searched references of retrieved studies and reviews. SELECTION CRITERIA Randomised controlled trials (RCTs) including participants of any age with quiescent CD were considered for inclusion. Studies that compared enteral nutrition with no intervention, placebo or any other intervention were selected for review. DATA COLLECTION AND ANALYSIS Two authors independently screened studies for inclusion, extracted data and assessed methodological quality using the Cochrane risk of bias tool. The primary outcome was clinical or endoscopic relapse as defined by the primary studies. Secondary outcomes included anthropometric measures (i.e. height and weight), quality of life (QoL), adverse events, serious adverse events and withdrawal due to adverse events. We calculated the risk ratio and 95% confidence interval (CI) for dichotomous outcomes. For continuous outcomes, we calculated the mean difference and 95% CI. A random-effects model was used for the statistical analysis. We used the GRADE criteria to assess the overall certainty of the evidence supporting the primary outcome and selected secondary outcomes. MAIN RESULTS Four RCTs (262 adult participants) met the inclusion criteria. One study (N = 33) compared an elemental diet to a non-elemental (polymeric) diet. One study (N = 51) compared a half elemental diet to a regular free diet. Another study (N = 95) compared an elemental diet to 6-mercaptopurine (6-MP) or a no treatment control group. One study (N= 83) compared a polymeric diet to mesalamine. Two studies were rated as high risk of bias due to lack of blinding or incomplete outcome data. The other two studies were judged to have an unclear risk of bias. The studies were not pooled due to differences in control interventions and the way outcomes were assessed.The effect of an elemental diet compared to a polymeric diet on remission rates or withdrawal due to adverse events is uncertain. Fifty-eight per cent (11/19) of participants in the elemental diet group relapsed at 12 months compared to 57% (8/14) of participants in the polymeric diet group (RR 1.01, 95% CI 0.56 to 1.84; very low certainty evidence). Thirty-two per cent (6/19) of participants in the elemental diet group were intolerant to the enteral nutritional formula because of taste or smell and were withdrawn from the study in the first 2 weeks compared to zero participants (0/14) in the polymeric diet group (RR 9.75, 95% CI 0.59 to 159.93; low certainty evidence). Anthropometric measures, QoL, adverse events and serious adverse events were not reported as outcomes.The effect of an elemental diet (half of total daily calorie requirements) compared to a normal free diet on relapse rates is uncertain. Thirty-five per cent (9/26) of participants in the elemental diet group relapsed at 12 months compared to 64% (16/25) of participants in the free diet group (RR 0.54, 95% CI 0.30 to 0.99; very low certainty evidence). No adverse events were reported. This study reported no differences in weight change between the two diet groups. Height and QoL were not reported as outcomes.The effect of an elemental diet compared to 6-MP on relapse rates or adverse events is uncertain. Thirty-eight per cent (12/32) of participants in the elemental diet group relapsed at 12 months compared to 23% (7/30) of participants in the 6-MP group (RR 1.61; 95% CI 0.73 to 3.53; very low certainty evidence). Three per cent (1/32) of participants in the elemental diet group had an adverse event compared to 13% (4/30) of participants in the 6-MP group (RR 0.23, 95% CI 0.03 to 1.98; low certainty evidence). Adverse events in the elemental diet group included surgery due to worsening CD. Adverse events in the 6-MP group included liver injury (n = 2), hair loss (n = 1) and surgery due to an abscess (n = 1). No serious adverse events or withdrawals due to adverse events were reported. Weight, height and QoL were not reported as outcomesThe effect of a polymeric diet compared to mesalamine on relapse rates and weight is uncertain. Forty-two per cent (18/43) of participants in the polymeric diet group relapsed at 6 months compared to 55% (22/40) of participants in the mesalamine group (RR 0.76; 95% CI 0.49 to 1.19; low certainty evidence). The mean difference in weight gain over the study period was 1.9 kg higher in the polymeric diet group compared to mesalamine (95% CI -4.62 to 8.42; low certainty evidence). Two participants in the polymeric diet group experienced nausea and four had diarrhoea. It is unclear if any participants in the mesalamine group had an adverse event. Height, QoL, serious adverse events and withdrawal due to adverse events were not reported as outcomes. AUTHORS' CONCLUSIONS The results for the outcomes assessed in this review are uncertain and no firm conclusions regarding the efficacy and safety of enteral nutrition in quiescent CD can be drawn. More research is needed to determine the efficacy and safety of using enteral nutrition as maintenance therapy in CD. Currently, there are four ongoing studies (estimated enrolment of 280 participants). This review will be updated when the results of these studies are available.
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Affiliation(s)
| | - Dongni Zhang
- University of Western OntarioSchulich School of Medicine & DentistryLondonONCanada
| | - Morris Gordon
- University of Central LancashireSchool of MedicinePrestonLancashireUK
| | - John K MacDonald
- Robarts Clinical TrialsCochrane IBD Group100 Dundas Street, Suite 200LondonONCanadaN6A 5B6
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Anthony PS. Foreword. JPEN J Parenter Enteral Nutr 2016. [DOI: 10.1177/01486071050290s4s107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Patricia S. Anthony
- From Global Clinical Services, HealthCare Nutrition, Nestlé Nutrition, Vevey, Switzerland
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Abstract
GOALS To examine the efficiency of exclusive enteral nutrition (EEN) in relieving inflammatory bowel stricture in patients with Crohn's disease (CD). BACKGROUND Patients with CD usually develop bowel strictures due to transmural edema of intestinal wall, which can potentially be managed with conservative medical treatment. Previous studies showed that EEN therapy could induce clinical remission through its anti-inflammation effect. METHODS We achieved a prospective observational study. CD patients with inflammatory bowel stricture were preliminarily differentiated from a fibrous one, and further treated with EEN therapy for 12 weeks. Demographics and clinical variables were recorded. Nutritional (body mass index, albumin, pre-albumin, transferrin, etc.), inflammatory (C-reactive protein, erythrocyte sedimentation rate, white blood cell, etc.), and radiologic parameters (bowel wall thickness, luminal diameter, and luminal cross-sectional area) were evaluated at baseline, week 4, and week 12, respectively. RESULTS Between May 2012 and January 2013, 65 patients with CD were preliminarily diagnosed with inflammatory bowel stricture and 6 patients were further excluded. Among the remaining 59 cases, 50 patients (84.7%) finished the whole EEN treatment, whereas the other 9 patients (15.3%) gained progressive bowel obstruction resulting in surgery. Intention-to-treat analyses showed that 48 patients (81.4%) achieved symptomatic remission, 35 patients (53.8%) achieved radiologic remission, and 42 patients (64.6%) achieved clinical remission. Among those patients who complete the whole EEN therapy, inflammatory, nutritional, and radiologic parameters improved significantly compared with baseline. Of note, the average luminal cross-sectional area at the site of stricture increased approximately 331% at week 12 (195.7 ± 18.79 vs. 59.09 ± 10.64 mm, P<0.001). CONCLUSIONS EEN therapy can effectively relieve inflammatory bowel stricture in CD, which replenishes roles of enteral nutrition in the treatment of CD. Further studies are expected to investigate the underlying mechanisms of this effect in the future.
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Tjellström B, Högberg L, Stenhammar L, Magnusson KE, Midtvedt T, Norin E, Sundqvist T. Effect of exclusive enteral nutrition on gut microflora function in children with Crohn's disease. Scand J Gastroenterol 2012; 47:1454-9. [PMID: 23016828 DOI: 10.3109/00365521.2012.703234] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Exclusive enteral nutrition (EEN) is a first-line treatment in children with active Crohn's disease (CD) but is seldom used in adults with active disease. The mode of action of EEN in suppressing mucosal inflammation is not fully understood, but modulation of intestinal microflora activity is one possible explanation. The aim of this study was to investigate the effect of 6-week EEN in children with active CD, with special reference to intestinal microflora function. MATERIALS AND METHODS Fecal samples from 18 children (11 boys, 7 girls; median age 13.5 years) with active CD (13 children with small bowel/colonic and 5 with perianal disease) were analyzed for short chain fatty acid (SCFA) pattern as marker of gut microflora function. The children were studied before and after EEN treatment. Results from 12 healthy teenagers were used for comparison. RESULTS Eleven (79%) of the children with small bowel/colonic CD responded clinically positively to EEN treatment showing decreased levels of pro-inflammatory acetic acid as well as increased concentrations of anti-inflammatory butyric acids and also of valeric acids, similar to the levels in healthy age-matched children. In children with active perianal CD, however, EEN had no positive effect on clinical status or inflammatory parameters. CONCLUSIONS The authors present new data supporting the hypothesis that the well-documented anti-inflammatory effect of EEN in children with active small bowel/colonic CD is brought about by modulation of gut microflora activity, resulting in an anti-inflammatory SCFA pattern. By contrast, none of the children with perianal disease showed clinical or biochemical improvement after EEN treatment.
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Affiliation(s)
- Bo Tjellström
- Department of Microbiology, Karolinska Institute, Tumor and Cell Biology, Stockholm, Sweden.
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Nakayama G, Morioka D, Murakami T, Takakura H, Miura Y, Togo S. Chylous ascites occurring after low anterior resection of the rectum successfully treated with an oral fat-free elemental diet (Elental(®)). Clin J Gastroenterol 2012; 5:216-9. [PMID: 22773935 PMCID: PMC3382280 DOI: 10.1007/s12328-012-0304-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Accepted: 04/06/2012] [Indexed: 12/26/2022]
Abstract
Chylous ascites occurring after abdominal surgery is rare. Despite being potentially critical, there is no definite treatment guideline because of its rarity. Here we present a case of massive chylous ascites occurring after rectal surgery which was successfully treated with an oral fat-free elemental diet (ED). A 67-year-old man underwent low anterior resection with para-aortic lymphadenectomy for advanced rectal cancer. Early postoperative course was uneventful and the patient was discharged from hospital 10 days after surgery; however, after discharge, abdominal distension rapidly developed. Abdominal computed tomography (CT) performed 3 weeks after surgery revealed massive ascites and laboratory findings showed remarkable hypoproteinemia and lymphopenia. Urgent diagnostic paracentesis showed the ascites to be a white milky fluid containing high levels of triglycerides (564 mg/dl), leading to a diagnosis of chyloperitoneum. Daily nutrition of the patient was entirely with a fat-free ED (30 kcal/kg/day of Elental(®), Ajinomoto Pharmaceutical Co. Ltd, Tokyo, Japan). After the initiation of oral Elental(®), abdominal distension, hypoproteinemia, and lymphopenia gradually improved. Abdominal CT performed 7 weeks after surgery showed no ascitic fluid in the abdomen, and thereafter a normal diet was initiated. Since then, no relapse of chyloperitoneum has been proven. As a result, the chylous ascites was successfully treated in the outpatient clinic.
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Affiliation(s)
- Gakuryu Nakayama
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
| | - Daisuke Morioka
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
| | - Takashi Murakami
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
| | - Hideki Takakura
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
| | - Yasuhiko Miura
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
| | - Shinji Togo
- Department of Surgery, Yokohama Ekisaikai Hospital, 1-2 Yamada-cho, Naka-ku, Yokohama, 231-0036 Japan
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Galland L. Inflammatory Bowel Disease. Integr Med (Encinitas) 2012. [DOI: 10.1016/b978-1-4377-1793-8.00102-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Asakura H, Suzuki K, Kitahora T, Morizane T. Is there a link between food and intestinal microbes and the occurrence of Crohn's disease and ulcerative colitis? J Gastroenterol Hepatol 2008; 23:1794-801. [PMID: 19120872 DOI: 10.1111/j.1440-1746.2008.05681.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The pathogenesis of Crohn's disease (CD) and ulcerative colitis (UC) is not fully understood. The interaction between intestinal environmental factors of food and intestinal microbes and the immunological system of hosts seems to be an important aspect. We have reviewed the relationship of the daily consumption of dietary animal meat and fats, dairy products, sugar, and other factors that may be linked to the occurrence of CD and UC from the literature and Japanese epidemiological data. In the present study, we reviewed the association between food and intestinal microbes and other factors contributing to the occurence of inflammatory bowel disease (IBD) from epidemiological data and case-control studies of IBD in the literature that appeared on Medline, and assessed the reports of intestinal microbes involved in the occurrence of IBD. We found several papers describing the positive association of animal meat and sweets and sugar with the occurrence of CD and UC. An analysis of Japanese epidemiological data suggested that the registered number of patients with CD or UC started to increase more than 20 years after an increased daily consumption of dietary animal meat and fats, and milk and dairy products, and after a decreased consumption of rice. Many studies implied a positive role of intestinal microbes in the occurrence of IBD. Intestinal environmental factors, such as Westernized food and intestinal microbes, seem to be involved in the increased occurrence of IBD.
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Affiliation(s)
- Hitoshi Asakura
- Department of Internal Medicine, Nipponkoukann Hospital, Kanagawa, Japan.
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Enteral and parenteral nutrition distinctively modulate intestinal permeability and T cell function in vitro. Eur J Nutr 2008; 48:12-21. [PMID: 18998044 DOI: 10.1007/s00394-008-0754-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2008] [Accepted: 10/21/2008] [Indexed: 01/08/2023]
Abstract
BACKGROUND Nutritional support is an established element of therapy for various indications. However, its impact on the mucosal barrier function is not well understood. AIM OF THE STUDY We investigated the influence of EN and PN on intestinal epithelial cells and peripheral blood (PBMC) and lamina propria mononuclear cells (LPMC), all of which are involved in the mucosal defense against bacterial translocation and systemic inflammation. METHODS Integrity of epithelial cells was measured as transepithelial electrical resistance (TER) of confluent Caco-2 monolayers in the presence of 1% EN, PN and a parenteral amino acid mixture (AM). To determine wound healing capacities, an established migration model with IEC-6 cells was used. Furthermore, we investigated apoptosis, cell activation, proliferation and cytokine secretion of Caco-2, HT29 and of stimulated PBMC and LPMC cultured with or without 1 and 5% EN, AM or PN. RESULTS We demonstrated that EN, AM and PN promoted the integrity of the epithelial monolayer and reconstituted epithelial cell continuity TGF-beta-dependently and -independently. Interestingly, only PN induced apoptosis and decreased the mitochondrial membrane potential. The activation status of PBMC was significantly reduced by EN and AM. Specifically, EN leads to an increased apoptosis rate, inhibited cell cycle progression and increased pro-inflammatory cytokine secretion. Both EN and PN reduced the activation status and the release of pro- and anti-inflammatory cytokines. CONCLUSIONS Our study provides evidence that by promoting wound healing and regulating T cell function, EN, AM, and PN potently interact with the intestinal barrier and immune system, thus justifying its use in diseases accompanied by impaired mucosal barrier function.
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Wiese DM, Rivera R, Seidner DL. Is There a Role for Bowel Rest in Nutrition Management of Crohn's Disease? Nutr Clin Pract 2008; 23:309-17. [DOI: 10.1177/0884533608318674] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Affiliation(s)
- Dawn M. Wiese
- From Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland; Nutrition Support Team, Digestive Diseases Institute, Department of Gastroenterology, Cleveland Clinic, Cleveland; and Vanderbilt Center for Human Nutrition and Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Rene Rivera
- From Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland; Nutrition Support Team, Digestive Diseases Institute, Department of Gastroenterology, Cleveland Clinic, Cleveland; and Vanderbilt Center for Human Nutrition and Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Douglas L. Seidner
- From Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland; Nutrition Support Team, Digestive Diseases Institute, Department of Gastroenterology, Cleveland Clinic, Cleveland; and Vanderbilt Center for Human Nutrition and Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
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Abstract
BACKGROUND Prevention of relapse is a major issue in the management of Crohn's disease. Corticosteroids and 5-ASA preparations are not effective for the maintenance of remission. Methotrexate, infliximab, 6-mercaptopurine and its prodrug, azathioprine may be effective in maintaining remission, but these drugs may cause significant adverse events. OBJECTIVES To conduct a systematic review to evaluate the efficacy of enteral nutrition for the maintenance of remission in Crohn's disease. SEARCH STRATEGY MEDLINE (1966 to January 2007), EMBASE (1984 to January 2007) the Cochrane Central Register of Controlled Trials from the Cochrane Library (Issue 4, 2006) and the IBD/FBD Review Group Specialized Trials Register were searched. The articles cited in each publication were hand searched. SELECTION CRITERIA Randomised controlled trials which compared enteral nutrition with no intervention, placebo or with any other intervention were eligible for inclusion. DATA COLLECTION AND ANALYSIS Data extraction and assessment of methodological quality of included studies were independently performed by two authors. The main outcome measure was the occurrence of clinical or endoscopic relapse as defined by the primary studies. Odds ratios and 95% confidence intervals were calculated for dichotomous outcomes. MAIN RESULTS Two studies were identified that met the inclusion criteria and were included in the review. Statistical pooling of the results of these studies was not possible because the control interventions, and the way outcomes were assessed differed greatly between the two studies. In one study (Takagi 2006), patients who received half of their total daily calorie requirements as elemental diet and the remaining half by normal diet had a significantly lower relapse rate compared to patients who received unrestricted normal diet (9 of 26 versus 16 of 25; OR 0.3, 95% CI 0.09 to 0.94). In the other study (Verma 2001), elemental and polymeric feeds (providing between 35 and 50% of patients' pretrial calorie intake in addition to unrestricted normal food) were equally effective for maintenance of remission and allowing withdrawal of steroid therapy (8 of 19 versus 6 of 14; OR 0.97, 95% CI 0.24 to 3.92). AUTHORS' CONCLUSIONS The available evidence suggests that supplementary enteral nutritional may be effective for maintenance of remission in Crohn's disease. Whilst larger studies are needed to confirm these findings, enteral nutritional supplementation could be considered as an alternative or as an adjunct to maintenance drug therapy in Crohn's disease.
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Affiliation(s)
- A K Akobeng
- Central Manchester and Manchester Children's University Hospitals, Department of Paediatric Gastroenterology, Booth Hall Children's Hospital, Charlestown Road, Blackley, Manchester, UK, M9 7AA.
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Galland L. Inflammatory Bowel Disease. Integr Med (Encinitas) 2007. [DOI: 10.1016/b978-1-4160-2954-0.50053-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Schneider SM. Nutrition entérale : quelle est sa place dans notre arsenal thérapeutique ? ACTA ACUST UNITED AC 2006; 30:988-98; quiz 987, 1007-8. [PMID: 17075446 DOI: 10.1016/s0399-8320(06)73361-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Stéphane M Schneider
- Fédération d'Hépato-Gastroentérologie et de Nutrition Clinique, CHU de Nice, Hopital de l'Archet, 06202 Nice cedex 3.
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Abstract
Crohns disease is an inflammatory bowel disease that can have a significant impact on the health of those afflicted. The etiology of the disease is unknown, but genetic, environmental, dietary, and immunological factors are thought to be involved. Multiple nutrients can become depleted during active disease due to inadequate intake or malabsorption. Preventing these deficiencies is paramount in the care of those suffering from Crohns disease. Often the traditional treatments (medications) have limited effectiveness and negative side effects that inhibit their use. Enteral nutrition has promising therapeutic benefits, but its use is often limited to the pediatric population due to poor patient acceptability. Omega-3 fatty acids have been investigated for their anti-inflammatory properties as an alternative to traditional care. This article reviews the etiology of Crohns disease, nutritional deficiencies, traditional treatments, and the use of omega-3 fatty acids in the prevention of Crohns recurrence. The results from clinical trials have been conflicting, but a new fish oil preparation that limits the side effects of traditional fish oil therapy shows promise as an adjunctive treatment for Crohns disease. Continued research is needed to validate these findings.
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Affiliation(s)
- Angie Macdonald
- St. John Hospital and Medical Center, Detroit, Michigan 48236, USA.
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