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Perdalkar S, Basthi Mohan P, Musunuri B, Rajpurohit S, Shetty S, Bhat K, Pai CG. Thiopurine therapy in inflammatory bowel disease in the pandemic era: Safe or unsafe? Int Immunopharmacol 2023; 116:109597. [PMID: 36702073 DOI: 10.1016/j.intimp.2022.109597] [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: 10/19/2022] [Revised: 12/03/2022] [Accepted: 12/11/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract. Crohn's disease (CD) and Ulcerative colitis (UC) are the two major types affecting millions across the globe. Various immunomodulatory drugs consisting of small molecules (thiopurines, methotrexate and tofacitinib) and biologics are used to treat IBD. Thiopurines (TP) are widely used in the treatment of IBD and it plays an important role both alone and in combination with anti-TNF agents as IBD maintenance therapy. Although the advent of biologics therapy has significantly advanced the management of IBD, TP remains the mainstay of treatment in resource-limited and low economic settings. However, the recently commenced pandemic has raised uncertainty over the safety of the use of immunosuppressant drugs such as TP among healthcare care providers and patients, as there is a scarcity of data on whether IBD patients are at higher risk of COVID-19 infection or more prone to its severe outcomes. AIM This review aims to encapsulate evidence on the risk of COVID-19 infection and its severe prognosis in IBD patients on TP. Additionally, it also evaluates the role of TP in inhibiting the viral protease, a potential drug target, essential for the replication and pathogenesis of the virus. CONCLUSION Emerging evidence suggests that TP therapy is safe during the current pandemic and does not carry an elevated risk when used as monotherapy or in combination with other IBD drugs. In-vitro studies demonstrate that TP is a potential therapeutic for present and future betacoronavirus pandemics.
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Affiliation(s)
- Shailesh Perdalkar
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India
| | - Pooja Basthi Mohan
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India
| | - Balaji Musunuri
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India
| | - Siddheesh Rajpurohit
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India
| | - Shiran Shetty
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India
| | - Krishnamurthy Bhat
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, India
| | - Cannanore Ganesh Pai
- Department of Gastroenterology and Hepatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal 576104, India.
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M’Koma AE. Inflammatory Bowel Disease: Clinical Diagnosis and Surgical Treatment-Overview. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:567. [PMID: 35629984 PMCID: PMC9144337 DOI: 10.3390/medicina58050567] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 12/18/2022]
Abstract
This article is an overview of guidelines for the clinical diagnosis and surgical treatment of predominantly colonic inflammatory bowel diseases (IBD). This overview describes the systematically and comprehensively multidisciplinary recommendations based on the updated principles of evidence-based literature to promote the adoption of best surgical practices and research as well as patient and specialized healthcare provider education. Colonic IBD represents idiopathic, chronic, inflammatory disorders encompassing Crohn's colitis (CC) and ulcerative colitis (UC), the two unsolved medical subtypes of this condition, which present similarity in their clinical and histopathological characteristics. The standard state-of-the-art classification diagnostic steps are disease evaluation and assessment according to the Montreal classification to enable explicit communication with professionals. The signs and symptoms on first presentation are mainly connected with the anatomical localization and severity of the disease and less with the resulting diagnosis "CC" or "UC". This can clinically and histologically be non-definitive to interpret to establish criteria and is classified as indeterminate colitis (IC). Conservative surgical intervention varies depending on the disease phenotype and accessible avenues. The World Gastroenterology Organizations has, for this reason, recommended guidelines for clinical diagnosis and management. Surgical intervention is indicated when conservative treatment is ineffective (refractory), during intractable gastrointestinal hemorrhage, in obstructive gastrointestinal luminal stenosis (due to fibrotic scar tissue), or in the case of abscesses, peritonitis, or complicated fistula formation. The risk of colitis-associated colorectal cancer is realizable in IBD patients before and after restorative proctocolectomy with ileal pouch-anal anastomosis. Therefore, endoscopic surveillance strategies, aimed at the early detection of dysplasia, are recommended. During the COVID-19 pandemic, IBD patients continued to be admitted for IBD-related surgical interventions. Virtual and phone call follow-ups reinforcing the continuity of care are recommended. There is a need for special guidelines that explore solutions to the groundwork gap in terms of access limitations to IBD care in developing countries, and the irregular representation of socioeconomic stratification needs a strategic plan for how to address this serious emerging challenge in the global pandemic.
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Affiliation(s)
- Amosy Ephreim M’Koma
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College School of Medicine, Nashville, TN 37208-3500, USA; or ; Tel.: +1-615-327-6796; Fax: +1-615-327-6440
- Department of Pathology, Anatomy and Cell Biology, Meharry Medical College School of Medicine, Nashville General Hospital, Nashville, TN 37208-3599, USA
- Division of General Surgery, Section of Colon and Rectal Surgery, Vanderbilt University School of Medicine, Nashville, TN 37232-0260, USA
- The American Society of Colon and Rectal Surgeons (ASCRS), 2549 Waukegan Road, #210, Bannockburn, IL 600015, USA
- The American Gastroenterological Association (AGA), Bethesda, MD 20814, USA
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Hormati A, Arezoumand A, Dokhanchi H, Pezeshgi Modarres M, Ahmadpour S. Inflammatory Bowel Disease Management during the COVID-19 Pandemic: A Literature Review. Middle East J Dig Dis 2022; 14:155-166. [PMID: 36619145 PMCID: PMC9489314 DOI: 10.34172/mejdd.2022.269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/02/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND: Coronavirus disease 2019 (COVID-19) caused a global pandemic. Since its start, widespread safety measures have been adopted by nations worldwide. Crohn's disease (CD) and ulcerative colitis are two forms of inflammatory bowel disease (IBD). IBD is a common inflammatory illness with a high worldwide incidence. Its clinical symptoms include stomach discomfort, diarrhea, anorexia, and weight loss. Genetics, microbes, cigarette smoking, appendectomy, lack of personal hygiene, using anti-inflammatory agents, vitamin D deficiency, and stress are the main risk factors for IBD. COVID-19 pandemic raised concerns about the exacerbation of COVID clinical manifestations in patients with IBD and increasing the risk of mortality. During COVID-19 pandemic, intestinal inflammation, and promoting adherence need to be controlled using medications and vaccinations as a primary goal. In this review, we reviewed unique concerns about IBD risk in the population as well as management of the disease, and the effectiveness of vaccination during COVID-19 pandemic.
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Affiliation(s)
- Ahmad Hormati
- Gastroenterology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran,Assistant Professor of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, Gastrointestinal and Liver Diseases Research Center, Colorectal Research Center, Hazrat-e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Arezoumand
- Student Research Committee, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Hadi Dokhanchi
- Student Research Committee, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Mehdi Pezeshgi Modarres
- Gastroenterology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Sajjad Ahmadpour
- Gastroenterology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran,Corresponding Author: Sajjad Ahmadpour, PhD Gastroenterology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran. Tel:+ 98 2538105062 Fax:+ 98 2538105062
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Alrashed F, Battat R, Abdullah I, Charabaty A, Shehab M. Impact of medical therapies for inflammatory bowel disease on the severity of COVID-19: a systematic review and meta-analysis. BMJ Open Gastroenterol 2021; 8:bmjgast-2021-000774. [PMID: 34725056 PMCID: PMC8561831 DOI: 10.1136/bmjgast-2021-000774] [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: 08/22/2021] [Accepted: 10/15/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND During COVID-19 pandemic, the safety of medical therapies for inflammatory bowel disease (IBD) in relation to COVID-19 has emerged as an area of concern. This study aimed to evaluate the association between IBD therapies and severe COVID-19 outcomes. METHOD We performed a systematic review and meta-analysis of all published studies from December 2019 to August 2021 to identify studies that reported severe COVID-19 outcomes in patients on current IBD therapies including 5-aminosalicylic acid (5-ASA), immunomodulators, corticosteroids, biologics, combination therapy, or tofacitinib. RESULTS Twenty-two studies were identified. Corticosteroids (risk ratio (RR) 1.91 (95% CI 1.25 to 2.91, p=0.003)) and 5-ASA (RR 1.50 (95% CI 1.17 to 1.93, p=0.001)) were associated with increased risk of severe COVID-19 outcomes in patients with IBD patients. However, possible confounders for 5-ASA use were not controlled for. Sub-analysis showed that corticosteroids increased the risk of intensive care unit (ICU) admission but not mortality. Immunomodulators alone (RR 1.18 (95% CI 0.87 to 1.59, p=0.28)) or in combination with anti-TNFs ((RR 0.96 (95% CI 0.80 to 1.15, p=0.63)), tofacitinib (RR 0.81 (95% CI 0.49 to 1.33, p=0.40)) and vedolizumab ((RR 1.02 (95% CI 0.79 to 1.31, p=0.89)) were not associated with severe disease. Anti-TNFs (RR 0.47 (95% CI 0.40 to 0.54, p<0.00001)) and ustekinumab (RR 0.55 (95% CI 0.43 to 0.72, p<0.00001)) were associated with decreased risk of severe COVID-19. CONCLUSION In patients with IBD, the risk of severe COVID-19 is higher among patients receiving corticosteroids. Corticosteroid use was associated with ICU admission but not mortality. The risk is also higher among patients receiving 5-ASAs. However, patient-level data were lacking and insufficient data existed for meta-regression analyses to adjust for confounding. Vedolizumab, tofacitinib, and immunomodulators alone or in combination with anti-TNF were not associated with severe disease. Anti-TNFs, and ustekinumab were associated with favourable outcomes.
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Affiliation(s)
- Fatema Alrashed
- Pharmacy Practice, MCPHS University, Boston, Massachusetts, USA
| | - Robert Battat
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Israa Abdullah
- Department of Pharmacy Practice, Kuwait University, Kuwait, Kuwait
| | - Aline Charabaty
- Division of gastroenterology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Mohammad Shehab
- Department of Internal Medicine, Kuwait University, Kuwait, Kuwait
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Abstract
Since it was discovered at the end of 2019; the pandemic of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has made a serious public health threat worldwide, with over 175 million confirmed cases reported globally. Even when COVID-19 was initially considered a respiratory disease, it was actually known to be multisystemic, with gastrointestinal involvement a common clinical finding. Furthermore, COVID-19 may affect patients with gastrointestinal comorbidities, being the clinical intersectionality of utmost interest for gastroenterologists; critical care physicians and all the healthcare team taking care of COVID-19 patients. The present article presents a brief review of the reported gastrointestinal manifestations of COVID-19 disease in both previously healthy individuals and in patients with gastrointestinal comorbidities.
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Neither inflammatory bowel disease nor immunosuppressants are associated with an increased risk of severe COVID-19: an observational Dutch cohort study. Clin Exp Med 2021; 22:465-476. [PMID: 34542781 PMCID: PMC8450711 DOI: 10.1007/s10238-021-00755-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/19/2021] [Indexed: 12/19/2022]
Abstract
Conflicting data about inflammatory bowel disease [IBD] and immunosuppressants are risk factors for severe COVID-19 confuse patients and healthcare providers. Clinical reports with longer follow-up are lacking. A retrospective search was performed for severe COVID-19 (hospital admission and/or mortality) one year after the SARS-CoV-2 outbreak in an IBD cohort from one of the most affected Dutch regions. Cohort characteristics were explored by value-based healthcare data, including immunotherapy. COVID-19 cases were detected by ICD-10 codes and further examined for IBD determinants (including medication) and COVID-19 characteristics (intensive care admission, respiratory support, treatment, mortality). The national mortality register was consulted, ensuring detection of patients that died without admission. Results were compared with regional and national general population registries. The IBD cohort consisted of 1453 patients (51% Crohn’s disease, 54% women, 39.9% using immunotherapy), including children. Biologics use increased during the study. Eight cases (0.55%) had severe COVID-19: seven were hospitalized (0.48%, 95% confidence interval [CI] 0.21–1.04), and two died (0.14%, CI 0.002–0.55). Six patients had comorbidity, one used immunotherapy, and four had no medication. Both deceased patients were older than 80 years, had severe comorbidity, but used no immunotherapy. Hospitalization occurred significantly more in the IBD cohort than regionally (0.18%, CI 0.17–0.19, p = 0.015), but not significantly more than nationally (0.28%, CI 0.279–0.284). Mortality was equal in IBD patients, regionally (0.11%, CI 0.10–0.12) and nationally (0.13%, CI 0.125–0.128). Neither IBD nor immunosuppressants are associated with increased risks of severe COVID-19 in an observational study with one-year follow-up.
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Corrias A, Cortes GM, Bardanzellu F, Melis A, Fanos V, Marcialis MA. Risk, Course, and Effect of SARS-CoV-2 Infection in Children and Adults with Chronic Inflammatory Bowel Diseases. CHILDREN (BASEL, SWITZERLAND) 2021; 8:children8090753. [PMID: 34572185 PMCID: PMC8468140 DOI: 10.3390/children8090753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/26/2021] [Accepted: 08/28/2021] [Indexed: 12/15/2022]
Abstract
Susceptibility and disease course of COVID-19 among patients with inflammatory bowel diseases (IBD) are unclear and epidemiological data on the topic are still limited. There is some concern that patients with immuno-mediated diseases such as IBD, which are frequently treated with immunosuppressive therapies, may have an increased risk of SARS-CoV-2 infection with its related serious adverse outcomes, including intensive care unit (ICU) admission and death. Corticosteroids, immunomodulators, and biologic drugs, which are commonly prescribed to these patients, have been associated with higher rates of severe viral and bacterial infections including influenza and pneumonia. It is not known whether these drugs can be so harmful as to justify their interruption during COVID-19 infection or if, on the contrary, patients with IBD can benefit from them. As shown by recent reports, it cannot be excluded that drugs that suppress the immune system can block the characteristic cytokine storm of severe forms of COVID-19 and consequently reduce mortality. Another cause for concern is the up-regulation of angiotensin converting enzyme-2 (ACE2) receptors that has been noticed in these patients, which could facilitate the entry and replication of SARS-CoV-2. The aim of this narrative review is to clarify the susceptibility of SARS-CoV-2 infection in patients with IBD, the clinical characteristics of patients who contract the infection, and the relationship between the severity of COVID-19 and immunosuppressive treatment.
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Ouali SE, Rubin DT, Cohen BL, Regueiro MD, Rieder F. Optimal inflammatory bowel disease management during the global coronavirus disease 2019 pandemic. Curr Opin Gastroenterol 2021; 37:313-319. [PMID: 33859104 PMCID: PMC8285035 DOI: 10.1097/mog.0000000000000741] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE OF REVIEW This review aims to summarize the current evidence regarding the risks and implications of coronavirus disease 2019 (COVID-19) in patients with inflammatory bowel disease (IBD) and discuss optimal management of IBD during this pandemic. RECENT FINDINGS Patients with IBD are not at increased risk of COVID-19 but several risk factors for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 infection) have been identified, such as active IBD, obesity, and corticosteroid use. COVID-19 outcomes are similar among patients with IBD and the overall population. Although biologics have not been shown to increase the risk of severe COVID-19 complications, several risk factors have been associated with negative COVID-19 outcomes in patients with IBD, including older age, obesity, the presence of comorbidities, active disease, and corticosteroid use. IBD therapy should, therefore, be continued with the aim of attaining or maintaining remission, except for corticosteroids, which should be held or reduced to the minimal effective dose. Although it has been recommended that immunosuppressive therapy be held during a case of COVID-19, the half-lives of these drugs and data on the timing of restarting therapy limit the strength of these recommendations. We recommend COVID-19 vaccination for IBD patients whenever available, as benefits to the individual and to society outweigh the risks. SUMMARY As our understanding of SARS-CoV-2 and COVID-19 continues to evolve, we are learning more about its impact in patients with IBD and how to better manage patients in this setting. Managing IBD during this pandemic has also highlighted the importance of restructuring services in order to adapt to current and potential future outbreaks. The COVID-19 pandemic has transformed IBD care through the expansion of telemedicine and development of novel approaches to remote monitoring.
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Affiliation(s)
- Sara El Ouali
- Digestive Diseases Institute, Cleveland Clinic Abu Dhabi, United Arab Emirates
- Department of Gastroenterology, Hepatology & Nutrition, Digestive Diseases and Surgery Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - David T. Rubin
- University of Chicago Medicine Inflammatory Bowel Disease Center, Chicago, Illinois, USA
| | - Benjamin L. Cohen
- Department of Gastroenterology, Hepatology & Nutrition, Digestive Diseases and Surgery Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Miguel D. Regueiro
- Department of Gastroenterology, Hepatology & Nutrition, Digestive Diseases and Surgery Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Florian Rieder
- Department of Gastroenterology, Hepatology & Nutrition, Digestive Diseases and Surgery Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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Meyer A, Semenzato L, Zureik M, Weill A, Carbonnel F, Dray-Spira R. Risk of severe COVID-19 in patients treated with IBD medications: a French nationwide study. Aliment Pharmacol Ther 2021; 54:160-166. [PMID: 34110040 DOI: 10.1111/apt.16410] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/22/2021] [Accepted: 05/03/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Recently, the SECURE-IBD study, based on a physician-reported registry, suggested that thiopurines, either alone or combined with anti-TNF, may increase risk of severe COVID-19. AIMS To compare the risk of severe COVID-19 according to IBD medications in a large and unselected population. METHODS Using the French national health data system, the risks of hospitalisation and of death or mechanical ventilation for COVID-19 from 15 February 2020 to 31 August 2020 in IBD patients were compared according to IBD treatment (immunomodulators and biologics), using multivariable Cox models adjusted for socio-demographic characteristics, budesonide/corticosteroids and aminosalicylates use, and comorbidities. RESULTS Among 268 185 IBD patients, 600 were hospitalised for COVID-19 and 111 of them died or were mechanically ventilated (including 78 deaths). In multivariable analysis, the risk of hospitalisation for COVID-19 did not differ according to IBD treatment category, with adjusted Hazard Ratios (aHR, unexposed patients used as reference) of 0.94 (95%CI: 0.66-1.35) for immunomodulator monotherapy, 1.05 (0.80-1.38) for anti-TNF monotherapy, 0.80 (0.38-1.69) for anti-TNF combination therapy, 1.06 (0.55-2.05) for vedolizumab and 1.25 (0.64-2.43) for ustekinumab. Similarly, the risk of death or mechanical ventilation for COVID-19 did not differ according to IBD treatment. CONCLUSIONS Immunomodulators and biologics prescribed in patients with IBD do not appear to increase the severity of COVID-19 infection.
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Affiliation(s)
- Antoine Meyer
- EPIPHARE, Épidémiologie des produits de santé, ANSM-CNAM, Saint Denis, France.,Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Le Kremlin Bicêtre, France.,Université Paris Saclay, Le Kremlin Bicêtre, France
| | - Laura Semenzato
- EPIPHARE, Épidémiologie des produits de santé, ANSM-CNAM, Saint Denis, France
| | - Mahmoud Zureik
- EPIPHARE, Épidémiologie des produits de santé, ANSM-CNAM, Saint Denis, France.,Université Versailles Saint-Quentin en Yvelines, Montigny le Bretonneux, France
| | - Alain Weill
- EPIPHARE, Épidémiologie des produits de santé, ANSM-CNAM, Saint Denis, France
| | - Franck Carbonnel
- Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Le Kremlin Bicêtre, France.,Université Paris Saclay, Le Kremlin Bicêtre, France
| | - Rosemary Dray-Spira
- EPIPHARE, Épidémiologie des produits de santé, ANSM-CNAM, Saint Denis, France
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Din S, Gaya D, Kammermeier J, Lamb CA, Macdonald J, Moran G, Parkes G, Pollok R, Sebastian S, Segal J, Selinger C, Smith PJ, Steed H, Arnott ID. Inflammatory bowel disease clinical service recovery during the COVID-19 pandemic. Frontline Gastroenterol 2021; 13:77-81. [PMID: 34966535 PMCID: PMC8666864 DOI: 10.1136/flgastro-2021-101805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/12/2021] [Accepted: 03/26/2021] [Indexed: 02/04/2023] Open
Affiliation(s)
- Shahida Din
- Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
| | - Daniel Gaya
- Gastroenterology Unit, Glasgow Royal Infirmary, Glasgow, UK
| | - Jochen Kammermeier
- Pediatric Gastroenterology, Evelina London Children's Hospital, London, UK
| | - Christopher A Lamb
- Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK,Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Jonathan Macdonald
- Department of Gastroenterology, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - Gordon Moran
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK,Nottingham Digestive Diseases Centre, University of Nottingham, Nottingham, UK
| | - Gareth Parkes
- Department of Gastroenterology, Royal London Hospital, London, UK
| | | | - Shaji Sebastian
- IBD Unit, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Jonathan Segal
- Department of Gastroenterology, The Hillingdon Hospitals NHS Foundation Trust, Uxbridge, UK
| | - Christian Selinger
- Leeds Gastroenterology Institute, St James's University Hospital, Leeds, UK
| | - Philip J Smith
- Department of Hepatology and Liver Transplantation, Royal Liverpool and Broadgreen Hospitals NHS Trust, Liverpool, UK
| | - Helen Steed
- Department of Gastroenterology, New Cross Hospital, Wolverhampton, UK
| | - Ian D Arnott
- The Edinburgh IBD Unit, Western General Hospital, Edinburgh, UK
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