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Fansiwala K, Shah ND, McNulty KA, Kwaan MR, Limketkai BN. Use of oral diet and nutrition support in management of stricturing and fistulizing Crohn's disease. Nutr Clin Pract 2023; 38:1282-1295. [PMID: 37667524 DOI: 10.1002/ncp.11068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/25/2023] [Accepted: 08/06/2023] [Indexed: 09/06/2023] Open
Abstract
Crohn's disease (CD), a form of inflammatory bowel disease, involves chronic inflammation within the gastrointestinal tract. Intestinal strictures and fistulas are common complications of CD with varying severity in their presentations. Modifications in oral diet or use of exclusive enteral nutrition (EEN) are common approaches to manage both stricturing and fistulizing disease, although supporting research evidence is generally limited. In the preoperative period, there is strong evidence that EEN can reduce surgical complications. Parenteral nutrition (PN) is often utilized in the management of enterocutaneous fistulas, given that oral diet and EEN may potentially increase output in proximal fistulas. This narrative review highlights the current practices and evidence for the roles of oral diet, EEN, and PN in treatment and management of stricturing and fistulizing CD.
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Affiliation(s)
- Kush Fansiwala
- Vatche & Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Neha D Shah
- Colitis and Crohn's Disease Center, University of California, San Francisco, San Francisco, California, USA
| | - Kelly A McNulty
- Vatche & Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Mary R Kwaan
- Division of Colon and Rectal Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Berkeley N Limketkai
- Vatche & Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, University of California, Los Angeles, California, USA
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Singh A, Kakkar C, Garg S, Arora K, Midha V, Mahajan R, Virk SS, Jain NP, Singh D, Sood K, Tripathi A, Gupta D, Kaushal IG, Galhotra RD, Saggar K, Sood A. Clinical and magnetic resonance imaging spectrum of complex perianal fistulizing Crohn's disease: A cohort study from northern India. Indian J Gastroenterol 2023; 42:668-676. [PMID: 37548863 DOI: 10.1007/s12664-023-01399-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 05/15/2023] [Indexed: 08/08/2023]
Abstract
BACKGROUND Fistulizing perianal Crohn's disease (CD) is a debilitating condition associated with significant morbidity and reduction in the quality of life. Magnetic resonance imaging (MRI) of the pelvis is the preferred imaging modality for the comprehensive assessment of the perianal fistula. There is a paucity of data from India on the MRI spectrum of complex perianal fistula in CD. METHODS A single-centre cross-sectional analysis of patients with fistulizing perianal CD, who underwent pelvic MRI between January 2020 and December 2021, was performed. The clinical (age, sex, disease duration, disease location and behavior, disease activity [Perianal Disease Activity Index, PDAI] and treatment received) and radiological (number and location of fistulae, extensions, number and location of internal and external openings, fistula activity, presence or absence of perianal abscess and associated proctitis) characteristics of complex perianal fistula (defined according to the American Gastroenterological Association classification) were recorded. RESULTS Of total 175 patients with CD who attended the gastroenterology clinic during the study period, 27 (15.42%) (mean age 42±15.5 years, 62.96% females and median disease duration four years) had complex perianal fistula and were included in the analysis. The mean PDAI was 5.48±2.53. The median Van Assche Index was 17 (interquartile range [IQR] 13-19). A majority (96.29%) of the fistulae were trans-sphincteric and four (14.81%) fistulae extended into the supralevator space. All fistulae were active on MRI. Concomitant perianal abscess and proctitis were seen in 59.26% (n=16) and 62.96% (n=17) of patients, respectively. Combination therapy with biologics and antibiotics/immune-suppressants were the most commonly prescribed medical therapy. Six (22.22%) patients underwent combined medical and surgical (non-cutting seton, fistulectomy, fecal diversion) treatment. CONCLUSION The cumulative risk of the development of fistulizing perianal CD in a northern Indian cohort was similar to the western populations. Complex perianal fistulae were predominantly trans-sphincteric and commoner in females. MRI evaluation is pivotal for the delineation of fistula anatomy, assessment of disease extent and activity and the evaluation of concomitant perianal abscess and other complications.
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Affiliation(s)
- Arshdeep Singh
- Department of Gastroenterology, Dayanand Medical College and Hospital, Ludhiana, 141 001, India
| | - Chandan Kakkar
- Department of Radiology and Radiodiagnosis, Dayanand Medical College, Ludhiana, 141 001, India
| | - Shreya Garg
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Kirti Arora
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Vandana Midha
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Ramit Mahajan
- Department of Gastroenterology, Dayanand Medical College and Hospital, Ludhiana, 141 001, India
| | - Satpal Singh Virk
- Department of Gastroenterology Surgery, Dayanand Medical College, Ludhiana, 141 001, India
| | - Narender Pal Jain
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Dharmatma Singh
- Department of Gastroenterology, Dayanand Medical College and Hospital, Ludhiana, 141 001, India
| | - Kriti Sood
- Department of Pediatrics, Government Medical College and Rajindra Hospital, Patiala, 147 001, India
| | - Ashish Tripathi
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Dhruv Gupta
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Ishita Gupta Kaushal
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, 141 001, India
| | - Ritu Dhawan Galhotra
- Department of Radiology and Radiodiagnosis, Dayanand Medical College, Ludhiana, 141 001, India
| | - Kavita Saggar
- Department of Radiology and Radiodiagnosis, Dayanand Medical College, Ludhiana, 141 001, India
| | - Ajit Sood
- Department of Gastroenterology, Dayanand Medical College and Hospital, Ludhiana, 141 001, India.
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Singh A, Midha V, Kochhar GS, Shen B, Sood A. Management of Perianal Fistulizing Crohn's Disease. Inflamm Bowel Dis 2023:izad195. [PMID: 37672347 DOI: 10.1093/ibd/izad195] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Indexed: 09/08/2023]
Abstract
Perianal fistulizing Crohn's disease (CD) represents a severe phenotype of CD that is associated with significant morbidity and reduction in quality of life. Perianal fistulizing CD is caused by a complex interplay of genetic predisposition, immune dysregulation, gut dysbiosis, and various unknown physiological and mechanical factors. A multidisciplinary approach is hence required for optimal management . A detailed anatomical description and classification of perianal fistula, including comprehensive clinical, endoscopic, and radiological diagnostic workup, is an important prerequisite to treatment. For simple perianal fistulas, use of antibiotics and immunomodulators, with or without fistulotomy, are appropriate measures. The medical management of complex perianal fistula, on the other hand, requires adequate control of infection before initiation of therapy with immunomodulators. In active complex perianal fistula, anti-tumor necrosis factors remain the most accepted therapy, with concomitant use of antibiotics or immunomodulators enhancing the efficacy. For patients refractory to anti-tumor necrosis factors, treatment with anti-integrins, anti-interleukins, and small molecules is being evaluated. Mesenchymal stem cells, hyperbaric oxygen therapy, and exclusive enteral nutrition have also been investigated as adjunct therapies. Despite the expansion of the medical armamentarium, a large proportion of the patients require surgical interventions. In this review, we provide an up-to-date overview of the pathophysiology, clinical presentation, diagnosis, and medical management of perianal fistulizing CD. A brief overview of the surgical management of perianal fistulizing CD is also provided.
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Affiliation(s)
- Arshdeep Singh
- Department of Gastroenterology, Dayanand Medical College, Ludhiana, India
| | - Vandana Midha
- Department of Internal Medicine, Dayanand Medical College, Ludhiana, India
| | - Gursimran Singh Kochhar
- Division of Gastroenterology, Hepatology and Nutrition, Allegheny Health Network, Pittsburgh, PA, USA
| | - Bo Shen
- Center for Interventional Inflammatory Bowel Disease, NewYork-Presbyterian Hospital, Columbia University Irving Medical Center, New York, NY, USA
| | - Ajit Sood
- Department of Gastroenterology, Dayanand Medical College, Ludhiana, India
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Chang JY, Cheon JH. Pharmacogenetics-based personalized treatment in patients with inflammatory bowel disease: A review. PRECISION AND FUTURE MEDICINE 2021. [DOI: 10.23838/pfm.2021.00128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The development of treatment options has revolutionized the prognosis of inflammatory bowel disease (IBD). However, a particular group of patients still experience therapeutic failure or drug side effects. Although the high inter-patient variability in therapy is associated with clinical factors, including age, disease behavior, and disease duration, they attribute only a small proportion of inter-individual variability. Thus, pharmacogenetics evaluating associations between specific genetic variations and drug responses or side effects have focused on optimizing therapeutic efficacy and minimizing toxicity in IBD treatment. Thiopurine S-methyltransferase (TPMT) and nudix hydrolase 15 (NUDT15) are well-established predictive markers of thiopurine-induced myelosuppression. Low TPMT activity is related to increased 6-thioguanine nucleotide levels, subsequently leading to myelotoxicity. NUDT15 variants are strongly associated with thiopurine-induced early leukopenia in Asians, with a lower incidence of TPMT-deficient allele. The Korean Association for the Study of Intestinal Diseases guidelines recommend pretreatment determination of NUDT15 genotypes, especially in East Asians, and NUDT15 R139C measurement has been approved for clinical use since 2019. Several studies have attempted to identify powerful genetic markers for personalized medicine. In this article, we review the identified pharmacogenetics of currently available drugs, focusing on 5-aminosalicylic acid, glucocorticosteroids, thiopurines, and anti-tumor necrosis factor-alpha agents.
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Mitrev N, Huang H, Hannah B, Kariyawasam VC. Review of exclusive enteral therapy in adult Crohn's disease. BMJ Open Gastroenterol 2021; 8:bmjgast-2021-000745. [PMID: 34580154 PMCID: PMC8477235 DOI: 10.1136/bmjgast-2021-000745] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/07/2021] [Indexed: 12/14/2022] Open
Abstract
Background Exclusive enteral nutrition (EEN) is a potentially effective but underused therapy for Crohn’s disease (CD) in adults. It is first-line induction treatment for paediatric patients but remains a second-line or third-line therapy in adults. Objective To analyse the evidence for EEN in adult patients with CD, and summarise this in a narrative review. Methods In April/May 2020 and July 2021, a literature search was performed using the Medical Subject Headings (MeSH) terms: ‘Crohn’s disease’, ‘CD’, ‘inflammatory bowel disease’, ‘IBD’, ‘exclusive enteral nutrition’, ‘enteral nutrition’, ‘EEN’, in PubMed, Scopus, Cochrane. Additional studies were obtained from references of search result articles as well as general reading. Studies with adult patients with CD treated with EEN were selected. 79 articles of relevance were found. Where data in adults were lacking, data from paediatric studies as extrapolated with care. Results EEN in adult patients been shown to improve clinical, biomarker, endoscopic and radiologic measures of disease activity. EEN avoids the potential adverse effects of recurrent corticosteroids for induction such as metabolic derangements and opportunistic infections. EEN has also demonstrated benefits among adult patients with fistulising and stricturing CD. It may avoid surgery in such patients. Preoperative EEN has also been shown to reduce postoperative complications and recurrence. There appears to be benefits in combing EEN with antitumour necrosis factor agents, however, benefits of combination therapy with other biologics are less clear. A major drawback of EEN therapy in adults has been poor compliance. More palatable polymeric formulations improved patient education and dietitian support may overcome this. Evidence in adults is limited to small studies, often with suboptimal control arms and lack of blinding. Larger scale studies with improved study design are needed to confirm these beneficial effects. Conclusion Despite limitations in evidence EEN should be considered in treating adults with CD.
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Affiliation(s)
- Nikola Mitrev
- Department of Gastroenterology, Blacktown Hospital, Blacktown, New South Wales, Australia.,Western Sydney University Blacktown Mount Druitt Medical School, Blacktown, New South Wales, Australia
| | - Hin Huang
- Western Sydney University Blacktown Mount Druitt Medical School, Blacktown, New South Wales, Australia
| | - Barbara Hannah
- Department of Gastroenterology, Blacktown Hospital, Blacktown, New South Wales, Australia
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Park J, Cheon JH. Incidence and Prevalence of Inflammatory Bowel Disease across Asia. Yonsei Med J 2021; 62:99-108. [PMID: 33527789 PMCID: PMC7859683 DOI: 10.3349/ymj.2021.62.2.99] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), are chronic inflammatory disorders of the gastrointestinal tract caused by interactions between genetic, environmental, immunological, and microbial factors. While the incidence and prevalence of IBD in Asian populations were relatively lower than those in Western countries, they appear to be gradually increasing. A Westernized diet, high socioeconomic status, improvement of hygiene, and development of vaccination could affect the increases in IBD incidence and prevalence in Asian countries. This review describes the latest trends in the incidence and prevalence of IBD in Asia. Studying the epidemiology of IBD in Asia may unravel the etiopathogenesis of and risk factors for IBD.
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Affiliation(s)
- Jihye Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hee Cheon
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
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Hisamatsu T. Enteral nutrition in the biologic era: learn from yesterday, live for today, hope for tomorrow. Intest Res 2020; 18:139-140. [PMID: 32326666 PMCID: PMC7206346 DOI: 10.5217/ir.2019.09192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 01/03/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
- Tadakazu Hisamatsu
- Department of Gastroenterology and Hepatology, Kyorin University School of Medicine, Mitaka, Japan
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