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Lei P, Yu H, Ma J, Du J, Fang Y, Yang Q, Zhang K, Luo L, Jin L, Wu W, Sun D. Cell membrane nanomaterials composed of phospholipids and glycoproteins for drug delivery in inflammatory bowel disease: A review. Int J Biol Macromol 2023; 249:126000. [PMID: 37532186 DOI: 10.1016/j.ijbiomac.2023.126000] [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: 05/30/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/04/2023]
Abstract
Inflammatory bowel disease (IBD) is a serious chronic intestinal disorder with an increasing global incidence. However, current treatment strategies, such as anti-inflammatory drugs and probiotics, have limitations in terms of safety, stability, and effectiveness. The emergence of targeted nanoparticles has revolutionized IBD treatment by enhancing the biological properties of drugs and promoting efficiency and safety. Unlike synthetic nanoparticles, cell membrane nanomaterials (CMNs) consist primarily of biological macromolecules, including phospholipids, proteins, and sugars. CMNs include red blood cell membranes, macrophage membranes, and leukocyte membranes, which possess abundant glycoprotein receptors and ligands on their surfaces, allowing for the formation of cell-to-cell connections with other biological macromolecules. Consequently, they exhibit superior cell affinity, evade immune responses, and target inflammation effectively, making them ideal material for targeted delivery of IBD therapies. This review explores various CMNs delivery systems for IBD treatment. However, due to the complexity and harsh nature of the intestinal microenvironment, the lack of flexibility or loss of selectivity poses challenges in designing single CMNs delivery strategies. Therefore, we propose a hierarchically programmed delivery modality that combines CMNs with pH, charge, ROS and ligand-modified responsive nanoparticles. This approach significantly improves delivery efficiency and points the way for future research in this area.
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Affiliation(s)
- Pengyu Lei
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Haiyang Yu
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Jiahui Ma
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Jiao Du
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Yimeng Fang
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Qinsi Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Kun Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China
| | - Li Luo
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan, Guangdong 523059, China
| | - Libo Jin
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China.
| | - Wei Wu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China.
| | - Da Sun
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China.
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Ruiz-Casas L, Evans J, Rose A, Pedra GG, Lobo A, Finnegan A, Hayee B, Peyrin-Biroulet L, Sturm A, Burisch J, Terry H, Avendano L, Tucknott S, Fiorino G, Limdi J. The LUCID study: living with ulcerative colitis; identifying the socioeconomic burden in Europe. BMC Gastroenterol 2021; 21:456. [PMID: 34863112 PMCID: PMC8645093 DOI: 10.1186/s12876-021-02028-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/15/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Ulcerative colitis (UC) is an inflammatory bowel disease with increasing prevalence worldwide. Current treatment strategies place considerable economic and humanistic burdens on patients. The aim of this study was to determine the socioeconomic burden of UC in adult patients in European countries in a real-world setting. METHODS In this retrospective, cross-sectional and observational pan-European study, patients with moderate or severe UC were assigned to ARM 1 and patients who had moderate or severe UC but achieved mild or remission status 12 months before index date (or clinical consultation date), were assigned to ARM 2. Clinical and medical resource use data were collected via electronic case report forms, and data on non-medical and indirect costs, and health-related quality of life (HRQoL) were collected via patient and public involvement and engagement (PPIE) questionnaires. Per-patient annual total costs per ARM and per country were calculated using the collated resource use in the last 12 months (between the start of the documentation period and patient consultation or index date) and country specific unit costs. Quality of life was described by arm and by country. RESULTS In the physician-reported eCRF population (n = 2966), the mean annual direct medical cost was €4065 in ARM 1 (n = 1835) and €2935 in ARM 2 (n = 1131). In the PPIE population (ARM 1, n = 1001; ARM 2, n = 647), mean annual direct cost was €4526 in ARM 1 and €3057 in ARM 2, mean annual direct non-medical cost was €1162 in ARM 1 and €1002 in ARM 2, mean annual indirect cost was €3098 in ARM 1 and €2309 ARM 2, and mean annual total cost was in €8787 in ARM 1 and €6368 in ARM 2. HRQoL scores showed moderate to high burden of UC in both groups. CONCLUSIONS The cost and HRQoL burden were high in patients in both ARM 1 and ARM 2 indicating unmet needs in the UC active population.
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Affiliation(s)
- Leonardo Ruiz-Casas
- HCD Economics, The Innovation Centre, Keckwick Lane, Daresbury, Warrington, England, UK
| | - Jonathan Evans
- HCD Economics, The Innovation Centre, Keckwick Lane, Daresbury, Warrington, England, UK
| | - Alison Rose
- HCD Economics, The Innovation Centre, Keckwick Lane, Daresbury, Warrington, England, UK
| | - Gabriel Ghizzi Pedra
- HCD Economics, The Innovation Centre, Keckwick Lane, Daresbury, Warrington, England, UK
| | - Alan Lobo
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
- The University of Sheffield, Sheffield, UK
| | | | - Bu Hayee
- King’s College Hospital NHS Foundation Trust London, London, UK
| | | | | | | | - Helen Terry
- Crohn’s and Colitis UK, Hatfield, Hertfordshire, UK
| | - Luisa Avendano
- European Federation of Crohn’s and Ulcerative Colitis Associations, Brussels, Belgium
| | | | | | - Jimmy Limdi
- Pennine Acute Hospitals NHS Trust, Manchester, UK
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Burisch J, Zammit SC, Ellul P, Turcan S, Duricova D, Bortlik M, Andersen KW, Andersen V, Kaimakliotis IP, Fumery M, Gower-Rousseau C, Girardin G, Valpiani D, Goldis A, Brinar M, Čuković-Čavka S, Oksanen P, Collin P, Barros L, Magro F, Misra R, Arebi N, Eriksson C, Halfvarson J, Kievit HAL, Pedersen N, Kjeldsen J, Myers S, Sebastian S, Katsanos KH, Christodoulou DK, Midjord J, Nielsen KR, Kiudelis G, Kupcinskas L, Nikulina I, Belousova E, Schwartz D, Odes S, Salupere R, Carmona A, Pineda JR, Vegh Z, Lakatos PL, Langholz E, Munkholm P. Disease course of inflammatory bowel disease unclassified in a European population-based inception cohort: An Epi-IBD study. J Gastroenterol Hepatol 2019; 34:996-1003. [PMID: 30562421 DOI: 10.1111/jgh.14563] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/06/2018] [Accepted: 12/06/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM A definitive diagnosis of Crohn's disease (CD) or ulcerative colitis (UC) is not always possible, and a proportion of patients will be diagnosed as inflammatory bowel disease unclassified (IBDU). The aim of the study was to investigate the prognosis of patients initially diagnosed with IBDU and the disease course during the following 5 years. METHODS The Epi-IBD study is a prospective population-based cohort of 1289 IBD patients diagnosed in centers across Europe. Clinical data were captured prospectively throughout the follow-up period. RESULTS Overall, 476 (37%) patients were initially diagnosed with CD, 701 (54%) with UC, and 112 (9%) with IBDU. During follow-up, 28 (25%) IBDU patients were changed diagnoses to either UC (n = 20, 71%) or CD (n = 8, 29%) after a median of 6 months (interquartile range: 4-12), while 84 (7% of the total cohort) remained IBDU. A total of 17 (15%) IBDU patients were hospitalized for their IBD during follow-up, while 8 (7%) patients underwent surgery. Most surgeries (n = 6, 75%) were performed on patients whose diagnosis was later changed to UC; three of these colectomies led to a definitive diagnosis of UC. Most patients (n = 107, 96%) received 5-aminosalicylic acid, while 11 (10%) patients received biologicals, of whom five remained classified as IBDU. CONCLUSIONS In a population-based inception cohort, 7% of IBD patients were not given a definitive diagnosis of IBD after 5 years of follow-up. One in four patients with IBDU eventually was classified as CD or UC. Overall, the disease course and medication burden in IBDU patients were mild.
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Affiliation(s)
- Johan Burisch
- Department of Gastroenterology, North Zealand Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | - Pierre Ellul
- Division of Gastroenterology, Mater Dei Hospital, Msida, Malta
| | - Svetlana Turcan
- Department of Gastroenterology, State University of Medicine and Pharmacy of the Republic of Moldova, Chisinau, Republic of Moldova
| | - Dana Duricova
- IBD Clinical and Research Centre, ISCARE, Prague, Czech Republic
| | - Martin Bortlik
- IBD Clinical and Research Centre, ISCARE, Prague, Czech Republic
- Institute of Pharmacology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic
| | | | - Vibeke Andersen
- Medical Department, Regional Hospital of Viborg, Viborg, Denmark
- Focused Research Unit for Molecular Diagnostic and Clinical Research (MOK), IRS-Center Sonderjylland, Hospital of Southern Jutland, Aabenraa, Denmark
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | | | - Mathurin Fumery
- Gastroenterology Unit, Epimad Registry, CHU Amiens Sud, Avenue Laennec-Salouel, Amiens University Hospital, Amiens, France
| | - Corinne Gower-Rousseau
- Public Health, Epidemiology and Economic Health, Registre Epimad, Lille University and Hospital, Lille, France
- Lille Inflammation Research International Center LIRIC, Lille University, Lille, France
| | - Giulia Girardin
- Department of Surgical, Oncological and Gastroenterological Sciences, Azienda, University of Padua, Padua, Italy
| | - Daniela Valpiani
- U.O. Gastroenterologia ed Endoscopia digestiva, Hospital Morgagni Pierantoni, Forlì, Italy
| | - Adrian Goldis
- Clinic of Gastroenterology, University of Medicine 'Victor Babes', Timisoara, Romania
| | - Marko Brinar
- Division of Gastroenterology and Hepatology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Silvija Čuković-Čavka
- Division of Gastroenterology and Hepatology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Pia Oksanen
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
- University of Tampere, Tampere, Finland
| | - Pekka Collin
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
- University of Tampere, Tampere, Finland
| | - Luisa Barros
- Department of Gastroenterology, Centro Hospitalar de São João EPE, Porto, Portugal
| | - Fernando Magro
- Department of Gastroenterology, Centro Hospitalar de São João EPE, Porto, Portugal
- Department of Biomedicine, Institute of Pharmacology, Faculty of Medicine of Porto University, Porto, Portugal
| | - Ravi Misra
- IBD Department, St Marks Hospital, Imperial College London, London, UK
| | - Naila Arebi
- IBD Department, St Marks Hospital, Imperial College London, London, UK
| | - Carl Eriksson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Jonas Halfvarson
- Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | | | - Natalia Pedersen
- Gastroenterology Department, Slagelse Hospital, Slagelse, Denmark
| | - Jens Kjeldsen
- Gastroenterology Department, Odense University Hospital, Odense, Denmark
| | - Sally Myers
- IBD Unit, Hull and East Yorkshire NHS Trust, Hull, UK
| | | | | | | | - Jóngerð Midjord
- Medical Department, The National Hospital of the Faroe Islands, Torshavn, Faroe Islands
| | - Kári Rubek Nielsen
- Medical Department, The National Hospital of the Faroe Islands, Torshavn, Faroe Islands
| | - Gediminas Kiudelis
- Institute for Digestive Research, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Limas Kupcinskas
- Institute for Digestive Research, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Department of Gastroenterology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Inna Nikulina
- Department of Gastroenterology, Moscow Regional Research Clinical Institute, Moscow, Russian Federation
| | - Elena Belousova
- Department of Gastroenterology, Moscow Regional Research Clinical Institute, Moscow, Russian Federation
| | - Doron Schwartz
- Department of Gastroenterology and Hepatology, Soroka Medical Center and Ben Gurion, University of the Negev, Beer Sheva, Israel
| | - Selwyn Odes
- Department of Gastroenterology and Hepatology, Soroka Medical Center and Ben Gurion, University of the Negev, Beer Sheva, Israel
| | - Riina Salupere
- Division of Gastroenterology, Tartu University Hospital, University of Tarty, Tartu, Estonia
| | - Amalia Carmona
- Department of Gastroenterology, Hospital POVISA, Vigo, Spain
| | - Juan R Pineda
- Department of Gastroenterology, Hospital Alvaro Cunqueiro, Instituto Investigación Sanitaria Galicia Sur, EOXI de Vigo, Vigo, Spain
| | - Zsuzsanna Vegh
- 1st Department of Medicine, Semmelweis University, Budapest, Hungary
| | - Peter L Lakatos
- 1st Department of Medicine, Semmelweis University, Budapest, Hungary
- Division of Gastroenterology, McGill University Health Center, Montreal, Canada
| | - Ebbe Langholz
- Department of Gastroenterology, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Pia Munkholm
- Department of Gastroenterology, North Zealand Hospital, University of Copenhagen, Copenhagen, Denmark
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Carbonnel F, Boutron MC. Incidence, Phenotype, and Mortality of Inflammatory Bowel Disease 'Twenty Years After'. J Crohns Colitis 2017; 11:1159-1160. [PMID: 28525593 DOI: 10.1093/ecco-jcc/jjx072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 05/17/2017] [Indexed: 12/27/2022]
Affiliation(s)
- Franck Carbonnel
- Université Paris Sud and Gastroenterology Unit, Hôpitaux Universitaires Paris Sud, CHU de Bicêtre, AP-HP, Le Kremlin Bicêtre, France.,CESP, INSERM U1018, Univ. Paris-Sud, UVSQ, Université Paris-Saclay, Villejuif Cedex, F-94805, France
| | - Marie Christine Boutron
- CESP, INSERM U1018, Univ. Paris-Sud, UVSQ, Université Paris-Saclay, Villejuif Cedex, F-94805, France
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Tun GS, Harris A, Lobo AJ. Ulcerative colitis: management in adults, children and young people - concise guidance . Clin Med (Lond) 2017; 17:429-433. [PMID: 28974592 PMCID: PMC6301924 DOI: 10.7861/clinmedicine.17-5-429] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ulcerative colitis is a chronic, relapsing and remitting -inflammatory disease of the colon and rectum. Effective -management requires prompt recognition and treatment of those with acute relapses as well as appropriate choice and monitoring of drugs for maintenance of remission. This therefore involves specialist gastroenterology teams as well as acute and general physicians and primary care clinicians. Treatment options need to be discussed with those with -ulcerative colitis and their families and appropriate information provided. This concise guideline focuses (with the generalist particularly in mind) on recommendations from the National Institute for Health and Care Excellence clinical guideline 166 considered of key importance for implementation.
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Affiliation(s)
- Gloria Sz Tun
- Academic Unit of Gastroenterology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | | | - Alan J Lobo
- Sheffield Teaching Hospitals NHS Trust and honorary professor of gastroenterology, University of Sheffield, Sheffield, UK
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6
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Burden of disease and increasing prevalence of inflammatory bowel disease in a population-based cohort in the Netherlands. Eur J Gastroenterol Hepatol 2016; 28:1065-72. [PMID: 27281507 DOI: 10.1097/meg.0000000000000660] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Reported epidemiology and phenotype distributions vary widely and disease burden of inflammatory bowel disease (IBD) is poorly described. Our aim was to establish these features in a population-based cohort covering 319 976 inhabitants. Furthermore, differences between tertiary referral and peripheral hospital patients were quantified. METHODS IBD patients in the adherence area of three peripheral hospitals (2004-2012) were included. Medical and surgical treatment data were obtained. Quality of life and disease activity were evaluated. An outpatient cohort from a tertiary referral centre was accrued. RESULTS A total of 1461 patients were included: 761 (52.1%) with ulcerative colitis (UC), 579 (39.5%) with Crohn's disease (CD) and 121 (8.3%) with IBD-unspecified. Point prevalence of IBD was 432.1 per 100 000 inhabitants in 2010, which increased significantly over time, P-value of less than 0.0001. The mean annual incidence was 17.2 for UC, 10.5 for CD and 2.2 for IBD-unspecified. Tertiary referral Crohn's patients used thiopurines and biological therapy and underwent surgery significantly more often than patients in peripheral hospitals (P<0.0001). Disease activity correlated negatively with quality of life (P<0.0001) in UC and CD. CONCLUSION The prevalence of IBD is still increasing. Burden of disease was significantly more severe, mainly in Crohn's patients, in the referral centre, highlighting the importance of population-based studies to accurately describe phenotype distribution and disease burden.
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de Groof EJ, Sahami S, Lucas C, Ponsioen CY, Bemelman WA, Buskens CJ. Treatment of perianal fistula in Crohn's disease: a systematic review and meta-analysis comparing seton drainage and anti-tumour necrosis factor treatment. Colorectal Dis 2016; 18:667-75. [PMID: 26921847 DOI: 10.1111/codi.13311] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 11/18/2015] [Indexed: 12/13/2022]
Abstract
AIM The introduction of anti-tumour necrosis factor (anti-TNF; infliximab and adalimumab) has changed the management of Crohn's perianal fistula from almost exclusively surgical treatment to one with a much larger emphasis on medical therapy. The aim of this systematic review was to provide an overview of the success rates of setons and anti-TNF for Crohn's perianal fistula. METHOD Studies evaluating the effect of setons and anti-TNF on Crohn's perianal fistula were included. Studies assessing perianal fistula in children, rectovaginal and rectourinary fistulae were excluded. The primary end-point was the fistula closure rate. Partial closure and recurrence rates were secondary end-points. RESULTS Ten studies on seton drainage were included (n = 305). Complete closure varied from 13.6% to 100% and recurrence from 0% to 83.3%. In 34 anti-TNF studies (n = 1449), complete closure varied from 16.7% and 93% (partial closure 8.0-91.2%) and recurrence from 8.0% to 40.9%. Four randomized controlled trials (n = 1028) comparing anti-TNF with placebo showed no significant difference in complete or partial closure in meta-analysis (risk difference 0.12, 95% CI -0.06 to 0.30 and 0.09, 95% CI -0.23 to 0.41, respectively). Subgroup analysis (n = 241) showed a significant advantage for complete fistula closure with anti-TNF in two trials with follow-up > 4 weeks (46% vs 13%, P = 0.003 and 30% vs 13%, P = 0.03). Of four included cohort studies, two revealed a significant difference in response in favour of combined treatment (P = 0.001 and P = 0.014). CONCLUSION Closure and recurrence rates after seton drainage as well as anti-TNF vary widely. Despite a large number of studies, no conclusions can be drawn regarding the preferred strategy. However, combination therapy with (temporary) seton drainage, immunomodulators and anti-TNF may be beneficial in achieving perianal fistula closure.
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Affiliation(s)
- E J de Groof
- Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands.,Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - S Sahami
- Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands
| | - C Lucas
- Department of Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, Amsterdam, The Netherlands
| | - C Y Ponsioen
- Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
| | - W A Bemelman
- Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands
| | - C J Buskens
- Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands
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Jeuring SFG, Bours PHA, Zeegers MP, Ambergen TW, van den Heuvel TRA, Romberg-Camps MJL, van Bodegraven AA, Oostenbrug LE, Breukink SO, Stassen LPS, Hameeteman WH, Masclee AAM, Jonkers DMAE, Pierik MJ. Disease Outcome of Ulcerative Colitis in an Era of Changing Treatment Strategies: Results from the Dutch Population-Based IBDSL Cohort. J Crohns Colitis 2015; 9:837-45. [PMID: 26188352 DOI: 10.1093/ecco-jcc/jjv129] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 07/12/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS In the past decades, treatment options and strategies for ulcerative colitis [UC] have radically changed. Whether these developments have altered the disease outcome at population level is yet unknown. Therefore, we evaluated the disease outcome of UC over the past two decades in the South-Limburg area of The Netherlands. METHODS In the Dutch population-based IBDSL cohort, three time cohorts were defined: cohort 1991-1997 [cohort A], cohort 1998-2005 [cohort B], and cohort 2006-2010 [cohort C]. The colectomy and hospitalisation rates were compared between cohorts by Kaplan-Meier survival analyses. Hazard ratios [HR] for early colectomy [within 6 months after diagnosis], late colectomy [beyond 6 months after diagnosis], and hospitalisation were calculated using Cox regression models. RESULTS In total, 476 UC patients were included in cohort A, 587 patients in cohort B, and 598 patients in cohort C. Over time, an increase in the use of immunomodulators [8.1%, 22.8% and 21.7%, respectively, p < 0.01] and biological agents [0%, 4.3% and 10.6%, respectively, p < 0.01] was observed. The early colectomy rate decreased from 1.5% in cohort A to 0.5% in cohort B [HR 0.14; 95% confidence interval 0.04-0.47], with no further decrease in cohort C [0.3%, HR 0.98; 95% confidence interval 0.20-4.85]. Late colectomy rate remained unchanged over time [4.0% vs 5.2% vs 3.6%, respectively, p = 0.54]. Hospitalisation rate was also similar among cohorts [22.3% vs 19.5% vs 18.3%, respectively, p = 0.10]. CONCLUSION Over the past two decades, a reduction in early colectomy rate was observed, with no further reduction in the most recent era. Late colectomy rate and hospitalisation rate remained unchanged over time.
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Affiliation(s)
- Steven F G Jeuring
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Paul H A Bours
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Maurice P Zeegers
- Department of Complex Genetics, School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Ton W Ambergen
- Department of Methodology and Statistics, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tim R A van den Heuvel
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Mariëlle J L Romberg-Camps
- Department of Internal Medicine and Gastroenterology, Orbis Medical Centre, Sittard-Geleen, The Netherlands
| | - Ad A van Bodegraven
- Department of Internal Medicine and Gastroenterology, Orbis Medical Centre, Sittard-Geleen, The Netherlands
| | - Liekele E Oostenbrug
- Department of Internal Medicine and Gastroenterology, Atrium Medical Centre, Heerlen, The Netherlands
| | - Stéphanie O Breukink
- Department of General Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Laurents P S Stassen
- Department of General Surgery, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Wim H Hameeteman
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Ad A M Masclee
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Daisy M A E Jonkers
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Marieke J Pierik
- Division of Gastroenterology-Hepatology, Maastricht University Medical Centre+, Maastricht, The Netherlands School of Nutrition and Translational Research in Metabolism [NUTRIM], Maastricht University Medical Centre+, Maastricht, The Netherlands
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van den Heuvel TRA, Jonkers DM, Jeuring SFG, Romberg-Camps MJL, Oostenbrug LE, Zeegers MP, Masclee AA, Pierik MJ. Cohort Profile: The Inflammatory Bowel Disease South Limburg Cohort (IBDSL). Int J Epidemiol 2015; 46:e7. [DOI: 10.1093/ije/dyv088] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Petritsch W, Fuchs S, Berghold A, Bachmaier G, Högenauer C, Hauer AC, Weiglhofer U, Wenzl HH. Incidence of inflammatory bowel disease in the province of Styria, Austria, from 1997 to 2007: a population-based study. J Crohns Colitis 2013; 7:58-69. [PMID: 22542057 DOI: 10.1016/j.crohns.2012.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Revised: 03/14/2012] [Accepted: 03/15/2012] [Indexed: 12/17/2022]
Abstract
BACKGROUND The incidence of inflammatory bowel disease (IBD) varies widely between different countries. This large variation is also observed for the incidence of its main two forms, ulcerative colitis (UC) and Crohn's disease (CD). Controversy exists whether IBD incidence is increasing, especially in western countries. Currently no data are available for Austria. This study therefore aimed to evaluate for the first time the incidence of IBD over an eleven-year period in Styria, a province of Austria with a population of 1.2 million. METHODS All patients with an initial diagnosis of IBD between 1997 and 2007, who were Styrian residents, were eligible for this retrospective study. Data were acquired from electronically stored hospital discharge reports and individual reports by patients and physicians. According to population density Styria was divided into two rural and one urban area. RESULTS Throughout the study period 1527 patients with an initial diagnosis of IBD were identified. The average annual incidence was 6.7 (95% CI 6.2-7.1) per 100,000 persons per year for CD and 4.8 (95% CI 4.5-5.2) for UC. The average annual incidence increased significantly (p<0.01) for both diseases during the 11 year study period. Median age at initial diagnosis was 29 years (range 3-87) for CD and 39 years (range 3-94) for UC. At diagnosis, 8.5% of all IBD patients were <18 years of age. The incidence of both CD and UC was significantly higher in the urban area than in rural areas (CD: 8.8, 95% CI 7.8-9.8 versus 5.5, 95% CI 4.7-6.4 and 5.9, 95% CI 5.3-6.7; [p<0.001]; UC: 5.8, 95% CI 5.1-6.6 versus 4.0, 95% CI 3.4-4.7 and 4.7, 95% CI 4.1-5.4; [p=0.04]). CONCLUSION We observed an overall increase in the incidence of ulcerative colitis and Crohn's disease in a part of Austria during an eleven year period. IBD was more predominant in the largest urban area than in rural areas.
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Affiliation(s)
- W Petritsch
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Medical University of Graz, Austria.
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11
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Al-Mofarreh MA, Al-Mofleh IA. Emerging inflammatory bowel disease in saudi outpatients: a report of 693 cases. Saudi J Gastroenterol 2013; 19:16-22. [PMID: 23319033 PMCID: PMC3603484 DOI: 10.4103/1319-3767.105915] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 02/26/2012] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND/AIM Inflammatory bowel disease (IBD) is a chronic disease of unknown etiology and considered traditionally as a disease of the western world. Recently, rising trends have been observed in countries previously known to have a low prevalence and incidence. The aim of this study is to collect epidemiological data on IBD outpatients and to add data from the Kingdom of Saudi Arabia (KSA) to the available IBD literature. PATIENTS AND METHODS The medical records of 693 Saudi patients with IBD over a period of 17 years, between 1993 and 2009, were reviewed. The demographic and clinical data and methods of diagnosis were retrieved. RESULTS The total number of patients in this cohort was 693. It constituted 238 (34.3%) ulcerative colitis (UC) and 455 (65.7%) Crohn's disease (CD) patients. UC was steady throughout the years, whereas only 1.2 CD patients were diagnosed per year in the first 11 years, and 73.7 per year in the last six years. The median age of UC patients was 34 years, ranging from 10 to 80 years with a peak between 21 and 40 years and in CD it was 27 years, ranging from 11 to 73 years with a peak between 11 and 30 years. There was a male preponderance of 1.5:1 and 2:1, respectively. The rest of the data is discussed in this study. CONCLUSION IBD is no longer a rare disease in KSA. UC is in a steady state, whereas CD is increasing significantly and far outnumbering UC.
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Affiliation(s)
| | - Ibrahim A. Al-Mofleh
- Gastroenterology Unit, Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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12
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Abstract
Disability can include different aspects of patient’s quality of life from physical to psychosocial to employment. Disability in IBD patients contributes to loss of workplace personnel, increased sick leave, and other indirect costs to society. Considerations for more expensive treatment regimens should include their potential to reduce indirect costs to the individual patients and to society in general. The recently developed tool could help establish specific criteria in a set of these diseases that have varied effects and severity.
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Affiliation(s)
- Bincy P Abraham
- Section of Gastroenterology and Hepatology, Baylor College of Medicine, 1709 Dryden Street, Suite 800, Houston, TX 77030, USA.
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Molodecky NA, Soon IS, Rabi DM, Ghali WA, Ferris M, Chernoff G, Benchimol EI, Panaccione R, Ghosh S, Barkema HW, Kaplan GG. Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review. Gastroenterology 2012; 142:46-54.e42; quiz e30. [PMID: 22001864 DOI: 10.1053/j.gastro.2011.10.001] [Citation(s) in RCA: 3296] [Impact Index Per Article: 274.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2011] [Revised: 09/26/2011] [Accepted: 10/03/2011] [Indexed: 12/02/2022]
Abstract
BACKGROUND & AIMS We conducted a systematic review to determine changes in the worldwide incidence and prevalence of ulcerative colitis (UC) and Crohn's disease (CD) in different regions and with time. METHODS We performed a systematic literature search of MEDLINE (1950-2010; 8103 citations) and EMBASE (1980-2010; 4975 citations) to identify studies that were population based, included data that could be used to calculate incidence and prevalence, and reported separate data on UC and/or CD in full manuscripts (n = 260). We evaluated data from 167 studies from Europe (1930-2008), 52 studies from Asia and the Middle East (1950-2008), and 27 studies from North America (1920-2004). Maps were used to present worldwide differences in the incidence and prevalence of inflammatory bowel diseases (IBDs); time trends were determined using joinpoint regression. RESULTS The highest annual incidence of UC was 24.3 per 100,000 person-years in Europe, 6.3 per 100,000 person-years in Asia and the Middle East, and 19.2 per 100,000 person-years in North America. The highest annual incidence of CD was 12.7 per 100,000 person-years in Europe, 5.0 person-years in Asia and the Middle East, and 20.2 per 100,000 person-years in North America. The highest reported prevalence values for IBD were in Europe (UC, 505 per 100,000 persons; CD, 322 per 100,000 persons) and North America (UC, 249 per 100,000 persons; CD, 319 per 100,000 persons). In time-trend analyses, 75% of CD studies and 60% of UC studies had an increasing incidence of statistical significance (P < .05). CONCLUSIONS Although there are few epidemiologic data from developing countries, the incidence and prevalence of IBD are increasing with time and in different regions around the world, indicating its emergence as a global disease.
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Hammada T, Lemdaoui MC, Boutra F, Zoughailech D, Asselah H. Aspects épidémiologiques des maladies inflammatoires chroniques de l’intestin dans une population algérienne. ACTA ACUST UNITED AC 2011. [DOI: 10.1007/s12157-011-0327-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Less adhesiolysis and hernia repair during completion proctocolectomy after laparoscopic emergency colectomy for ulcerative colitis. Surg Endosc 2011; 26:368-73. [PMID: 21993930 PMCID: PMC3261391 DOI: 10.1007/s00464-011-1880-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Accepted: 07/29/2011] [Indexed: 12/17/2022]
Abstract
BACKGROUND The aim of this study was to determine whether the need for adhesiolysis during completion proctectomy (CP) with ileopouch anal anastomosis (IPAA) is influenced by the surgical approach of the initial emergency colectomy for ulcerative colitis and the hospital setting. METHODS One hundred consecutive patients who underwent CP with IPAA in our center between January 1999 and April 2010 were included. Emergency colectomy had been performed laparoscopically in 30 of 52 patients at the Academic Medical Center Amsterdam and in 6 of 48 patients at referring hospitals. Case files of these patients were retrospectively reviewed. RESULTS Significantly more extensive adhesiolysis was performed after open compared to laparoscopic colectomy (47 vs. 6%, P < 0.001). In univariate analysis, emergency colectomy at a referring hospital was also predictive for adhesiolysis (P = 0.003), but the open approach for the initial colectomy was the only independent predictive factor for the need for adhesiolysis (P < 0.001) in a multivariable ordinal logistic regression analysis. Operating time of CP was significantly longer when limited [18 (95% CI = 0-36) min] or extensive [55 (35-75) min] adhesiolysis had to be performed. The interval to CP was longer after open colectomy and after colectomy performed at a referring hospital. Significantly more incisional hernia corrections during CP were performed after open emergency colectomy (14 vs. 0%, P = 0.024). Overall morbidity and postoperative hospital stay of CP were not related to the surgical approach or the hospital setting of the emergency colectomy. CONCLUSION Laparoscopic as opposed to open emergency colectomy is associated with less adhesiolysis, fewer incisional hernias, and a shorter interval to completion proctectomy.
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Skrautvol K, Nåden D. Nutritional care in inflammatory bowel disease - a literature review. Scand J Caring Sci 2011; 25:818-27. [DOI: 10.1111/j.1471-6712.2011.00890.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Cosnes J, Gower-Rousseau C, Seksik P, Cortot A. Epidemiology and natural history of inflammatory bowel diseases. Gastroenterology 2011; 140:1785-94. [PMID: 21530745 DOI: 10.1053/j.gastro.2011.01.055] [Citation(s) in RCA: 1435] [Impact Index Per Article: 110.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2010] [Revised: 01/04/2011] [Accepted: 01/11/2011] [Indexed: 12/02/2022]
Abstract
In the West, the incidence and prevalence of inflammatory bowel diseases has increased in the past 50 years, up to 8-14/100,000 and 120-200/100,000 persons, respectively, for ulcerative colitis (UC) and 6-15/100,000 and 50-200/100,000 persons, respectively, for Crohn's disease (CD). Studies of migrant populations and populations of developing countries demonstrated a recent, slow increase in the incidence of UC, whereas that of CD remained low, but CD incidence eventually increased to the level of UC. CD and UC are incurable; they begin in young adulthood and continue throughout life. The anatomic evolution of CD has been determined from studies of postoperative recurrence; CD begins with aphthous ulcers that develop into strictures or fistulas. Lesions usually arise in a single digestive segment; this site tends to be stable over time. Strictures and fistulas are more frequent in patients with ileal disease, whereas Crohn's colitis remains uncomplicated for many years. Among patients with CD, intestinal surgery is required for as many as 80% and a permanent stoma required in more than 10%. In patients with UC, the lesions usually remain superficial and extend proximally; colectomy is required for 10%-30% of patients. Prognosis is difficult to determine. The mortality of patients with UC is not greater than that of the population, but patients with CD have greater mortality than the population. It has been proposed that only aggressive therapeutic approaches, based on treatment of early recurrent lesions in asymptomatic individuals, have a significant impact on progression of these chronic diseases.
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Affiliation(s)
- Jacques Cosnes
- Service de Gastroentérologie et Nutrition, Hôpital St-Antoine and Pierre-et-Marie Curie University (Paris VI), Paris, France.
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An evidence-based systematic review on medical therapies for inflammatory bowel disease. Am J Gastroenterol 2011; 106 Suppl 1:S2-25; quiz S26. [PMID: 21472012 DOI: 10.1038/ajg.2011.58] [Citation(s) in RCA: 198] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Benchimol EI, Fortinsky KJ, Gozdyra P, Van den Heuvel M, Van Limbergen J, Griffiths AM. Epidemiology of pediatric inflammatory bowel disease: a systematic review of international trends. Inflamm Bowel Dis 2011; 17:423-39. [PMID: 20564651 DOI: 10.1002/ibd.21349] [Citation(s) in RCA: 662] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Temporal trends in the incidence of pediatric-onset inflammatory bowel disease (IBD) are controversial and a wide range of estimates have been reported worldwide. We conducted a systematic review of research describing the epidemiology of childhood-onset IBD to assess changes in incidence rates over time and to evaluate international differences. METHODS The following electronic databases were searched for articles published 1950-2009: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane IBD/Functional Bowel Disorders Group Specialised Trial Register. All included studies reported incidence or prevalence of IBD, Crohn's disease (CD) or ulcerative colitis (UC). Two authors independently completed the data extraction form for each eligible study. Choropleth maps demonstrated the international incidence of IBD, CD, and UC. Incidence of CD and UC was graphed using data from studies reporting rates in multiple time periods. RESULTS The search yielded 2209 references and review resulted in 139 included studies from 32 countries. A wide range of incidence was reported internationally; however, rates of IBD were not described in most countries. Twenty-eight studies (20.1%) used statistical analysis to assess trends over time, and 77.8% reported statistically significantly increased incidence of pediatric IBD. Of studies calculating statistical trends in CD incidence, 60% reported significantly increased incidence. Of similar UC studies, 20% reported significantly increased incidence. CONCLUSIONS Globally rising rates of pediatric IBD (due primarily to the rising incidence of CD) was demonstrated in both developed and developing nations; however, most countries lack accurate estimates. Analyzing incidence trends may help identify specific environmental and genetic risk factors for pediatric IBD.
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Romberg-Camps MJL, Bol Y, Dagnelie PC, Hesselink-van de Kruijs MAM, Kester ADM, Engels LGJB, van Deursen C, Hameeteman WHA, Pierik M, Wolters F, Russel MGVM, Stockbrügger RW. Fatigue and health-related quality of life in inflammatory bowel disease: results from a population-based study in the Netherlands: the IBD-South Limburg cohort. Inflamm Bowel Dis 2010; 16:2137-47. [PMID: 20848468 DOI: 10.1002/ibd.21285] [Citation(s) in RCA: 171] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND The importance of fatigue in chronic disease has been increasingly recognized; however, little is known about fatigue in inflammatory bowel disease (IBD). The aim of the present study was to investigate the prevalence and severity of fatigue and the impact on health-related quality of life (HRQoL) in patients included in a population-based IBD cohort in the Netherlands. METHODS IBD patients, diagnosed between January 1st, 1991, and January 1st, 2003, were followed up for a median of 7.1 years. They completed a questionnaire, which included a disease activity score, the Multidimensional Fatigue Inventory (MFI-20), the Inflammatory Bowel Disease Questionnaire (IBDQ), and the Short Form health survey (SF-36). Hemoglobin levels were recorded. RESULTS Data were available in 304 Crohn's disease (CD), 368 ulcerative colitis (UC), and 35 indeterminate colitis (IC) patients. During quiescent disease, the prevalence of fatigue was nearly 40%. MFI-20 and HRQoL scores were significantly worse in IBD patients having active disease. In a multivariate analysis, disease activity was positively related with the level of fatigue in both CD and UC. In UC, anemia influenced the general fatigue score independently of disease activity. Disease activity as well as fatigue were independently associated with an impaired IBDQ. CONCLUSIONS In IBD, even in remission, fatigue is an important feature. Both in CD and in UC, fatigue determined HRQoL independently of disease activity or anemia. This implies that in IBD patients physicians need to be aware of fatigue in order to better understand its impact and to improve the HRQoL.
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Affiliation(s)
- M J L Romberg-Camps
- Department of Gastroenterology and Hepatology, Maastricht University Medical Center, the Netherlands.
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Romberg-Camps M, Kuiper E, Schouten L, Kester A, Hesselink-van de Kruijs M, Limonard C, Bos R, Goedhard J, Hameeteman W, Wolters F, Russel M, Stockbrügger R, Dagnelie P. Mortality in inflammatory bowel disease in the Netherlands 1991-2002: results of a population-based study: the IBD South-Limburg cohort. Inflamm Bowel Dis 2010; 16:1397-410. [PMID: 20027652 DOI: 10.1002/ibd.21189] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The aim was to evaluate overall and disease-specific mortality in a population-based inflammatory bowel disease (IBD) cohort in the Netherlands, as well as risk factors for mortality. METHODS IBD patients diagnosed between 1 January 1991 and 1 January 2003 were included. Standardized mortality ratios (SMRs) were calculated overall and with regard to causes of death, gender, as well as age, phenotype, smoking status at diagnosis, and medication use. RESULTS At the censoring date, 72 out of 1187 patients had died (21 Crohn's disease [CD], 47 ulcerative colitis [UC], and 4 indeterminate colitis [IC] patients). The SMR (95% confidence interval [CI]) was 1.1 (0.7-1.6) for CD, 0.9 (0.7-1.2) for UC and 0.7 (0.2-1.7) for IC. Disease-specific mortality risk was significantly increased for gastrointestinal (GI) causes of death both in CD (SMR 7.5, 95% CI: 2.8-16.4) and UC (SMR 3.4, 95% CI: 1.4-7.0); in CD patients, especially in patients <40 years of age at diagnosis. For UC, an increased SMR was noted in female patients and in patients <19 years and >80 years at diagnosis. In contrast, UC patients had a decreased mortality risk from cancer (SMR 0.5, 95% CI; 0.2-0.9). CONCLUSIONS In this population-based IBD study, mortality in CD, UC, and IC was comparable to the background population. The increased mortality risk for GI causes might reflect complicated disease course, with young and elderly patients at diagnosis needing intensive follow-up. Caution in interpreting the finding on mortality risk from cancer is needed as follow-up was probably to short to observe IBD-related cancers.
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Affiliation(s)
- Mariëlle Romberg-Camps
- Department of Gastroenterology and Hepatology, Maastricht University Medical Center, the Netherlands.
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Barreiro-de Acosta M, Magro F, Carpio D, Lago P, Echarri A, Cotter J, Pereira S, Gonçalves R, Lorenzo A, Carvalho L, Castro J, Barros L, Dias JA, Rodrigues S, Portela F, Dias C, da Costa-Pereira A. Ulcerative colitis in northern Portugal and Galicia in Spain. Inflamm Bowel Dis 2010; 16:1227-38. [PMID: 19924807 DOI: 10.1002/ibd.21170] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Clinical and therapeutic patterns of ulcerative colitis (UC) are variable in different world regions. The purpose of this study was to examine two close independent southern European UC populations from 2 bordering countries and observe how demographic and clinical characteristics of patients can influence the severity of UC. METHODS A cross-sectional study was conducted during a 15-month period (September 2005 to December 2006) based on data of 2 Web registries of UC patients. Patients were stratified according to the Montreal Classification and disease severity was defined by the type of treatment taken. RESULTS A total of 1549 UC patients were included, 1008 (65%) from northern Portugal and 541 (35%) from Galicia (northwest Spain). A female predominance (57%) was observed in Portuguese patients (P < 0.001). The median age at diagnosis was 35 years and median years of disease was 7. The majority of patients (53%) were treated only with mesalamine, while 15% had taken immunosuppressant drugs, and 3% biologic treatment. Most patients in both groups were not at risk for aggressive therapy. Extensive colitis was a predictive risk factor for immunosuppression in northern Portugal and Galicia (odds ratio [OR] 2.737, 95% confidence interval [CI]: 1.846-4.058; OR 5.799, 95% CI: 3.433-9.795, respectively) and biologic treatment in Galicia (OR 6.329, 95% CI: 2.641-15.166). Younger patients presented a severe course at onset with more frequent use of immunosuppressors in both countries. CONCLUSIONS In a large population of UC patients from two independent southern European countries, most patients did not require aggressive therapy, but extensive colitis was a clear risk factor for more severe disease.
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Abstract
Ulcerative proctitis is an idiopathic mucosal inflammatory disease involving only the rectum and is therefore an anatomically limited form of ulcerative colitis. Diagnosis is made based on clinical presentation, endoscopic appearance, and histopathology. Additionally, other etiologies of proctitis are excluded. The course of the disease is variable ranging from complete resolution to easily maintained remission to frequent relapses or refractory disease. Extension of inflammatory changes involving the proximal colon occurs in some cases. Rectal 5-aminosalicylic acid (5-ASA) or steroids are the initial treatments of choice with oral 5-ASA, sulfasalazine, or steroids used for treatment failures or patients unable to tolerate rectally administered drugs. Immunomodulators like azathioprine and 6-mercaptopurine have been used successfully in small groups of patients who have not responded to 5-ASA or steroids. Oral or rectal 5-ASA products maintain remission but long-term steroid use should be avoided. Rare cases may require surgical therapy.
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Affiliation(s)
- Charles B Whitlow
- Department of Colon and Rectal Surgery, Ochsner Clinic Foundation, New Orleans, LA 70121, USA.
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Effect of butyrate enemas on inflammation and antioxidant status in the colonic mucosa of patients with ulcerative colitis in remission. Clin Nutr 2010; 29:738-44. [PMID: 20471725 DOI: 10.1016/j.clnu.2010.04.002] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2010] [Revised: 03/21/2010] [Accepted: 04/08/2010] [Indexed: 12/16/2022]
Abstract
BACKGROUND & AIMS Butyrate, produced by colonic fermentation of dietary fibers is often hypothesized to beneficially affect colonic health. This study aims to assess the effects of butyrate on inflammation and oxidative stress in subjects with chronically mildly elevated parameters of inflammation and oxidative stress. METHODS Thirty-five patients with ulcerative colitis in clinical remission daily administered 60 ml rectal enemas containing 100mM sodium butyrate (n=17) or saline (n=18) during 20 days (NCT00696098). Before and after the intervention feces, blood and colonic mucosal biopsies were obtained. Parameters of antioxidant defense and oxidative damage, myeloperoxidase, several cytokines, fecal calprotectin and CRP were determined. RESULTS Butyrate enemas induced minor effects on colonic inflammation and oxidative stress. Only a significant increase of the colonic IL-10/IL-12 ratio was found within butyrate-treated patients (p=0.02), and colonic concentrations of CCL5 were increased after butyrate compared to placebo treatment (p=0.03). Although in general butyrate did not affect colonic glutathione levels, the effects of butyrate enemas on total colonic glutathione appeared to be dependent on the level of inflammation. CONCLUSION Although UC patients in remission were characterized by low-grade oxidative stress and inflammation, rectal butyrate enemas showed only minor effects on inflammatory and oxidative stress parameters.
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Prenzel F, Uhlig HH. Frequency of indeterminate colitis in children and adults with IBD - a metaanalysis. J Crohns Colitis 2009; 3:277-81. [PMID: 21172287 DOI: 10.1016/j.crohns.2009.07.001] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2008] [Revised: 06/30/2009] [Accepted: 07/02/2009] [Indexed: 12/14/2022]
Abstract
BACKGROUND Indeterminate colitis (IC) remains an enigmatic inflammatory bowel disease (IBD) phenotype. It is currently not clear whether it constitutes merely a problem of terminology, classification, or possibly an early stage of IBD distinct from Crohn's disease (CD) and ulcerative colitis (UC). METHODS We analysed epidemiological data of studies comparing IC, UC and CD. We selected 14 studies investigating paediatric patients (10 prospective and 4 retrospective) and 18 studies investigating adult IBD patients (11 prospective and 7 retrospective) for this analysis. RESULTS Compared to adults (n=15,776) the frequency of IC is higher in children (n=6262) (children 12.7% versus adults 6.0%, p<0.0001). This difference between children and adults has been detected irrespective whether prospective or retrospective studies were selected. In both, children and adults IC was more frequent in prospective studies compared to retrospective studies (children p=0.0004; adults p=0.0024). CONCLUSIONS IC has been detected in a substantial proportion of paediatric patients with IBD. IC is more frequently found in children compared to adults. Further studies are required to clarify whether IC represents an IBD phenotype associated with childhood disease onset or whether the high IC frequency is due to difficulties in establishing a UC or CD diagnosis.
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Affiliation(s)
- Freerk Prenzel
- University Children's Hospital, Section of Paediatric Gastroenterology, University of Leipzig, Liebigstr. 20a, 04305 Leipzig, Germany
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Inflammatory Bowel Disease in South Limburg (the Netherlands) 1991-2002: Incidence, diagnostic delay, and seasonal variations in onset of symptoms. J Crohns Colitis 2009; 3:115-24. [PMID: 21172254 DOI: 10.1016/j.crohns.2008.12.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2008] [Revised: 12/23/2008] [Accepted: 12/26/2008] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS Increasing incidence in Inflammatory Bowel Disease (IBD) has been suggested. Recent data on population based incidence rates within Europe are however scarce. Primary aim was to investigate prospectively the incidence of IBD within a well-defined geographical and administrative area of the Netherlands, the South Limburg IBD registry. Secondary aims were to study the duration of symptoms before diagnosis (lag time) and seasonal influences on the incidence of IBD. METHODS The incidence was examined using standardized registration of all newly diagnosed IBD patients, between 1-1-1991 and 1-1-2003. Medical records were reviewed to verify the diagnosis. At inclusion, diagnostic lag time was registered in months. RESULTS Age standardized incidence rates per 100,000 person-years (p-y) were: Crohn's Disease, male 4.84, female 7.58; Ulcerative Colitis, male 8.51, female 6.92; and Indeterminate Colitis, male 1.05, female 0.93. Incidence rates did not significantly changes over time in either Crohn's Disease, Ulcerative Colitis or Indeterminate Colitis. Lag time was 5 (0-360) months in Crohn's Disease, 3.0 (0-480) months in Ulcerative Colitis and 3.0 (0-180) months in Indeterminate Colitis. Lag time was not significantly different between the periods 1991-1993 and 2000-2002, and no statistical differences in the onset of symptoms per calendar month or season were found. CONCLUSIONS Our results, from the South Limburg region (the Netherlands), show no significant change in incidence rates of IBD. The incidence found is relatively high compared to other European countries. Lag time did not change during the study period, and seasonal influence of incidence rates could not be confirmed.
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Romberg-Camps MJL, Dagnelie PC, Kester ADM, Hesselink-van de Kruijs MAM, Cilissen M, Engels LGJB, Van Deursen C, Hameeteman WHA, Wolters FL, Russel MGVM, Stockbrügger RW. Influence of phenotype at diagnosis and of other potential prognostic factors on the course of inflammatory bowel disease. Am J Gastroenterol 2009; 104:371-83. [PMID: 19174787 DOI: 10.1038/ajg.2008.38] [Citation(s) in RCA: 215] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Disease course in inflammatory bowel disease (IBD) is variable and difficult to predict. To optimize prognosis, it is of interest to identify phenotypic characteristics at disease onset and other prognostic factors that predict disease course. The aim of this study was to evaluate such factors in a population-based IBD group. METHODS IBD patients diagnosed between 1 January 1991 and 1 January 2003 were included. A follow-up questionnaire was developed and medical records were reviewed. Patients were classified according to phenotype at diagnosis and risk factors were registered. Disease severity, cumulative medication use, and "surgical" and "nonsurgical" recurrence rates were calculated as outcome parameters. RESULTS In total, 476 Crohn's disease (CD), 630 ulcerative colitis (UC), and 81 indeterminate colitis (IC) patients were diagnosed. In CD (mean follow-up 7.6 years), 50% had undergone resective surgery. In UC (mean follow-up 7 years), colectomy rate was 8.3%. First year cumulative recurrence rates per 100 patient-years for CD, UC, and IC were 53, 44, and 42%, respectively. In CD, small bowel localization and stricturing disease were negative prognostic factors for surgery, as was young age. Overall recurrence rate was increased by young age and current smoking. In UC, extensive colitis increased surgical risk. In UC, older age at diagnosis initially increased recurrence risk but was subsequently protective. CONCLUSIONS This population-based IBD study showed high recurrence rates in the first year. In CD, small bowel localization, stricturing disease, and young age were predictive for disease recurrence. In UC, extensive colitis and older age at diagnosis were negative prognostic predictors.
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Affiliation(s)
- M J L Romberg-Camps
- Department of Gastroenterology and Hepatology, Maastricht University Medical Center, University of Maastricht, The Netherlands.
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Romano C, Famiani A, Gallizzi R, Comito D, Ferrau' V, Rossi P. Indeterminate colitis: a distinctive clinical pattern of inflammatory bowel disease in children. Pediatrics 2008; 122:e1278-81. [PMID: 19047226 DOI: 10.1542/peds.2008-2306] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Inflammatory bowel diseases such as Crohn disease and ulcerative colitis are frequently clinical conditions in children. Another clinical entity, indeterminate colitis, is considered a subgroup of pediatric inflammatory bowel disease. It is generally characterized by early onset in the first years of life, and clinical behavior is rapidly progressive to pancolitis. The definition of indeterminate colitis has changed over the years, but it is usually used to identify severe colitis with overlapping features of ulcerative colitis and Crohn disease. Ileal pouch-anal anastomosis is the surgical treatment of choice for patients with ulcerative colitis, but increased rates of complications have been found in indeterminate colitis. Therefore, it is better to be cautious in patients with indeterminate colitis who present with severe attacks and require surgery.
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Affiliation(s)
- Claudio Romano
- University of Messina, Department of Pediatrics, Viale Gazzi, 98122 Messina, Italy.
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Gismera CS, Aladrén BS. Inflammatory bowel diseases: A disease (s) of modern times? Is incidence still increasing? World J Gastroenterol 2008; 14:5491-8. [PMID: 18810764 PMCID: PMC2746333 DOI: 10.3748/wjg.14.5491] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel diseases (IBD) are a heterogeneous group of diseases, not always easy to diagnose, even more difficult to classify, and diagnostic criteria are not always uniform. Well done population-based studies are not abundant, and so comparisons among different geographical areas or populations are not always very reliable. In this article, we have reviewed epidemiological studies available on the world’s population while making a critical review of published data.
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Economou M, Pappas G. New global map of Crohn's disease: Genetic, environmental, and socioeconomic correlations. Inflamm Bowel Dis 2008; 14:709-20. [PMID: 18095316 DOI: 10.1002/ibd.20352] [Citation(s) in RCA: 117] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Seventy-five years after the initial characterization of Crohn's disease (CD), much remains obscure about its etiology. The authors sought to evaluate the incidence trends of the last 25 years worldwide, and the existence of potential correlations with genetic, environmental, and socioeconomic factors that could be etiologically implicated in the pathogenesis of CD. Relevant medical literature for individual countries on the incidence of CD, on the incidence of associated genetic mutations, and on the incidence of suggested etiologic infectious agents such as Mycobacterium avium paratuberculosis were retrieved from published medical literature, reports from relevant international congresses, and through official reports from national health authorities. Increasing trends have been observed almost worldwide, with a broad north-south gradient still prevailing in Europe. Distinct regions of New Zealand, Canada, Scotland, France, the Netherlands, and Scandinavia represent the highest incidence areas. Industrialized status and affluence are the common denominators between endemic areas, but are too broad as terms to strongly indicate any particular etiological role. The increasing trends observed in Asia still account for a low prevalence of the disease and may represent increased detection and diagnostic ability of local health systems. Genetic associations are variably reproduced worldwide, in a manner inconsistent with a strong etiologic relationship. Data on paratuberculosis incidence are scarce, and the existing ones are ambivalent regarding an even indirect correlation between CD and an infectious trigger.
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Loftus CG, Loftus EV, Harmsen WS, Zinsmeister AR, Tremaine WJ, Melton LJ, Sandborn WJ. Update on the incidence and prevalence of Crohn's disease and ulcerative colitis in Olmsted County, Minnesota, 1940-2000. Inflamm Bowel Dis 2007; 13:254-61. [PMID: 17206702 DOI: 10.1002/ibd.20029] [Citation(s) in RCA: 464] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND We previously reported that the prevalence of Crohn's disease (CD) and ulcerative colitis (UC) in Olmsted County, Minnesota, had risen significantly between 1940 and 1993. We sought to update the incidence and prevalence of these conditions in our region through 2000. METHODS The Rochester Epidemiology Project allows population-based studies of disease in county residents. CD and UC were defined by previously used criteria. County residents newly diagnosed between 1990 and 2000 were identified as incidence cases, and persons with these conditions alive and residing in the county on January 1, 2001, were identified as prevalence cases. All rates were adjusted to 2000 US Census figures for whites. RESULTS In 1990-2000 the adjusted annual incidence rates for UC and CD were 8.8 cases per 100,000 (95% confidence interval [CI], 7.2-10.5) and 7.9 per 100,000 (95% CI, 6.3-9.5), respectively, not significantly different from rates observed in 1970-1979. On January 1, 2001, there were 220 residents with CD, for an adjusted prevalence of 174 per 100,000 (95% CI, 151-197), and 269 residents with UC, for an adjusted prevalence of 214 per 100,000 (95% CI, 188-240). CONCLUSION Although incidence rates of CD and UC increased after 1940, they have remained stable over the past 30 years. Since 1991 the prevalence of UC decreased by 7%, and the prevalence of CD increased about 31%. Extrapolating these figures to US Census data, there were approximately 1.1 million people with inflammatory bowel disease in the US in 2000.
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Affiliation(s)
- Conor G Loftus
- Inflammatory Bowel Disease Clinic, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.
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Martland GT, Shepherd NA. Indeterminate colitis: definition, diagnosis, implications and a plea for nosological sanity. Histopathology 2007; 50:83-96. [PMID: 17204023 DOI: 10.1111/j.1365-2559.2006.02545.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In 1978, Price introduced the concept of indeterminate colitis to describe cases in which colonic resections had been undertaken for chronic inflammatory bowel disease (CIBD), but a definitive diagnosis of either of the classical types of CIBD, ulcerative colitis and Crohn's disease, was not possible. This was especially apposite in cases of acute fulminant disease of the colorectum. More recently, the term indeterminate colitis has been applied to biopsy material, when it has not been possible to differentiate between ulcerative colitis and Crohn's disease. In our opinion, and in those of other workers in this field, the term should be restricted to that originally suggested by Price. This then provides a relatively well-defined group of patients in whom the implications and management of the disease are becoming much clearer. Cases where there are only biopsies with CIBD, but equivocal features for ulcerative colitis and Crohn's disease, should be termed 'CIBD, unclassified', 'equivocal/non-specific CIBD' or IBD unclassified (IBDU), in line with recent recommendations. When the diagnosis is correctly restricted to colectomy specimens, there is now good evidence that the majority of cases will behave like ulcerative colitis. Furthermore, the diagnosis should not be a contraindication to subsequent pouch surgery. When the latter is undertaken, surgeons and patients can expect an increased complication rate, compared with classical ulcerative colitis, especially of pelvic sepsis, but most patients fare well. Only very occasional patients, around 10%, will eventually be shown to have Crohn's disease. This review describes the pathology of cases appropriately classified as indeterminate colitis and the implications of that diagnosis. It also highlights recent advances in its pathological features, clinical management and its immunological and genetic associations.
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Affiliation(s)
- G T Martland
- Departments of Histopathology, Gloucestershire Royal Hospital, Gloucester and Cheltenham General Hospital, Cheltenham, UK
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Meier C, Thönneßen C, Rothe U, Henker J, Quietzsch J, Prager J, Bürk G, Kiess W, Richter T. Chronisch entzündliche Darmerkrankungen bei Kindern und Jugendlichen. Monatsschr Kinderheilkd 2006. [DOI: 10.1007/s00112-005-1226-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Crispino P, Habib FI, Badiali D, Pica R, Iacopini F, Bella A, Cassieri C, Anzini F, Paoluzi P. Colorectal motor and sensitivity features in patients affected by ulcerative proctitis with constipation: a radiological and manometric controlled study. Inflamm Bowel Dis 2006; 12:712-8. [PMID: 16917226 DOI: 10.1097/00054725-200608000-00007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND AND AIM Constipation may be present in ulcerative proctitis (UP), but its pathogenesis has not yet been evaluated. The aim of this article is to investigate functional and morphologic features of the anorectal region in patients with UP and constipation. MATERIALS AND METHODS Eleven patients with quiescent clinical, endoscopic, and histological UP and constipation and 10 patients with functional constipation (FC) underwent radiologic evaluation of intestinal transit time, anorectal manometry, and defecography. Transit time was measured with radiograms at 72 h after ingestion of radiopaque markers. Manometry was carried out using a continuous perfused catheter and a balloon inflated with increasing volumes of air. Defecography was performed after the injection of a barium-sulfate solution in the rectum, with the registration of videotapes during straining, squeezing, and evacuation. RESULTS Manometry showed in UP significantly lower values of rectal compliance than those in FC (3.10 and 5 mL/mmHg, respectively) (P = 0.03). Rectal sensitivity threshold was increased but without significant differences in UP and FC (30 and 50 mL air, respectively). At defecography, the median value of rectosacral space was increased in UP in comparison with FC (1.30 vs 0.8; P = 0.002). Lateral rectal diameter in UP was lower than in FC (6 and 8.8 cm, respectively; P = 0.016). Nonsymptomatic rectocele, mucosal prolapse, descending perineum, and abdominopelvic dyssynergy were equally present in UP and FC. The majority of UP patients showed a prolonged intestinal transit time similar to FC patients, and, more frequently, they showed low transit in the left colon in comparison with the right colon in comparison with FC patients. CONCLUSIONS This study suggests that constipation in UP may be correlated with rectal fibrosis, which reduces the transit of stools from the left colon. The concomitance of asymptomatic anorectal organic or functional alteration may contribute to worsen constipation.
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Affiliation(s)
- Pietro Crispino
- Department of Clinical Sciences, Gastroenterology Unit, University La Sapienza, Rome, Italy
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Jacobsen BA, Fallingborg J, Rasmussen HH, Nielsen KR, Drewes AM, Puho E, Nielsen GL, Sørensen HT. Increase in incidence and prevalence of inflammatory bowel disease in northern Denmark: a population-based study, 1978-2002. Eur J Gastroenterol Hepatol 2006; 18:601-6. [PMID: 16702848 DOI: 10.1097/00042737-200606000-00005] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Although incidence rates of inflammatory bowel disease have been reported worldwide, few long-term population-based studies with current time-trend analyses exist. We therefore examined time trends in the incidence rate of inflammatory bowel disease in a 25-year study period, and estimated the prevalence in 2002. All patients diagnosed between 1978 and 2002 were included as incident cases (n=2,326) and all patients living in North Jutland County on 31 December 2002 were used to estimate prevalent cases (n=2,205). METHODS Medical records of all patients diagnosed with ulcerative colitis and Crohn's disease in the North Jutland County Hospital Discharge Registry were reviewed to examine if the diagnostic criteria were fulfilled. Age-specific and gender-specific standardized incidence rates were calculated. RESULTS For ulcerative colitis, incidence rates in women increased from 8.3 (95% confidence interval (CI): 6.7-9.9) in 1978-1982 to 17.0 (95% CI: 14.7-19.3) per 100,000 person-years in 1998-2002. The corresponding figures for men were 7.7 (95% CI: 6.1-9.3) and 16.7 (95% CI: 14.4-18.8) per 100,000 person-years. For Crohn's disease, the incidence rates in women increased from 4.1 (95% CI: 3.0-5.2) in 1978-1982 to 10.7 (95% CI: 8.8-12.5) per 100,000 person-years in 1998-2002. The corresponding figures for men were 3.2 (95% CI: 2.1-4.2) and 8.5 (95% CI: 6.9-10.2) per 100,000 person-years. The prevalence of ulcerative colitis and Crohn's disease was 294 and 151 per 100,000 inhabitants, respectively. CONCLUSIONS A marked and parallel increase was seen in both ulcerative colitis and Crohn's disease in both genders during the last 25 years, with a corresponding high prevalence of both diseases.
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Affiliation(s)
- Bent A Jacobsen
- Department of Medical Gastroenterology, Aalborg Hospital, Aarhus University Hospital, Denmark.
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Cox DG, Crusius JBA, Peeters PHM, Bueno-de-Mesquita HB, Pena AS, Canzian F. Haplotype of prostaglandin synthase 2/cyclooxygenase 2 is involved in the susceptibility to inflammatory bowel disease. World J Gastroenterol 2005; 11:6003-8. [PMID: 16273614 PMCID: PMC4436724 DOI: 10.3748/wjg.v11.i38.6003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: Prostaglandin G/H synthase 2 (PTGS2 or COX2) is one of the key factors in the cellular response to inflammation. PTGS2 is expressed in the affected intestinal segments of patients with inflammatory bowel diseases (IBD). In IBD patients, non-steroidal anti-inflammatory drugs, which have been shown to reduce both the production and activity of PTGS2, may activate IBD and aggravate the symptoms. We aimed at examining genetic variants of PTGS2 that may be risk factors for IBD.
METHODS: We genotyped 291 individuals diagnosed with IBD and 367 controls from the Dutch population for the five most frequent polymorphisms of the PTGS2 gene. Clinical data were collected on all patients. DNA was extracted via normal laboratory methods. Genotyping was carried out using multiplex PCR followed by the Invader Assay and the 5 exonuclease assay (TaqMan). New polymorphism screening was performed by pre-screening with denaturing high-performance liquid chromatography, followed by fluorescent sequencing.
RESULTS: Allele 5209G was weakly associated with Crohn's disease (odds ratio [OR] 1.63, 95% confidence interval [CI] 1.03-2.57), and allele 8473T with ulcerative colitis (OR 1.50, 95%CI 1.00-2.27). The haplotype including both alleles showed a strong association with IBD (OR 13.15, 95%CI 3.17-116.15). This haplotype, while rare (-0.3%) in the general population, is found more frequently in patients (3.5%).
CONCLUSION: Our data suggest that this haplotype of PTGS2 contributes to the susceptibility of IBD.
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Affiliation(s)
- David-G Cox
- Genome Analysis Team (GAN), International Agency for Research on Cancer, 150 cours Albert Thomas, F-69372 Lyon Cedex 08, France
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Karban A, Atia O, Leitersdorf E, Shahbari A, Sbeit W, Ackerman Z, Mualem R, Levine A, Nesher S, Safadi R, Eliakim R. The relation between NOD2/CARD15 mutations and the prevalence and phenotypic heterogeneity of Crohn's disease: lessons from the Israeli Arab Crohn's disease cohort. Dig Dis Sci 2005; 50:1692-7. [PMID: 16133971 DOI: 10.1007/s10620-005-2917-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2004] [Accepted: 01/05/2005] [Indexed: 12/17/2022]
Abstract
The prevalence of Crohn's disease depends on geographic location and racial background. Arg702Trp, Gly908Arg, and Leu1007fsinsC mutations in the NOD2/CARD15 gene are associated with Crohn's disease in Caucasians. The mutation rate among Israeli Jewish patients is 27%-41%. The prevalence of Crohn's disease is much lower in the Israeli Arab compared to the Israeli Jewish population. We studied the NOD2/CARD15 mutation rate and disease phenotype (according to the Vienna classification) among the Israeli Arabs and compared them with those in an Israeli Jewish cohort. We recruited 66 Israeli Arab patients and 122 ethnically matched controls. Five patients (8.2%) and three controls (2.3%) carried one NOD2/CARD15 mutation. The phenotypic characteristics of the Arab and Jewish patients were very similar. We conclude that NOD2/CARD15 mutations do not contribute to Crohn's susceptibility in the Israeli Arab population and suggest that NOD2/CARD15 mutations have an important effect on Crohn's prevalence within a specific population but not on the phenotype.
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Affiliation(s)
- Amir Karban
- Department of Gastroenterology, Rambam Medical Center, Haifa.
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Abstract
Indeterminate colitis (IC) originally referred to those 10-15% of cases of inflammatory bowel disease (IBD) in which there was difficulty distinguishing between ulcerative colitis (UC) and Crohn's disease (CD) in the colectomy specimen. However, IC is increasingly used when a definitive diagnosis of UC or CD cannot be made at colonoscopy, in colonic biopsies or at colectomy. The diagnostic difficulties may explain the variably reported prevalence of IC. Clinically, most patients with IC evolve to a definite diagnosis of UC or CD on follow up. The role of ancillary tests in the distinction of UC from CD is reviewed. The low sensitivity of serological markers limits their usefulness. Other tests include upper endoscopy and magnetic resonance imaging. The definition of IC may not be a purely histological one derived from resected specimens, but rather a clinicopathological one. This review offers some personal observations and viewpoints, and proposes an approach to some of the relatively more esoteric combinations of findings.
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Affiliation(s)
- M Guindi
- Department of Laboratory Medicine and Pathobiology, University of Toronto, and Department of Pathology, University Health Network, Toronto, Ontario, Canada, M5G 2C4.
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Gheorghe C, Pascu O, Gheorghe L, Iacob R, Dumitru E, Tantau M, Vadan R, Goldis A, Balan G, Iacob S, Dobru D, Saftoiu A. Epidemiology of inflammatory bowel disease in adults who refer to gastroenterology care in Romania: a multicentre study. Eur J Gastroenterol Hepatol 2004; 16:1153-9. [PMID: 15489575 DOI: 10.1097/00042737-200411000-00012] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AIM The Romanian Society of Gastrointestinal Endoscopy developed a multicentre, prospective study to evaluate the frequency and epidemiological features of inflammatory bowel disease (IBD) in an adult population that refers to gastroenterology centres in Romania. MATERIAL AND METHODS Eighteen centres with adequate diagnostic and therapeutic facilities uniformly distributed across Romania reported through a proforma the new and old IBD cases between 1 June 2002 and 1 June 2003. The rates of incidence and prevalence of ulcerative colitis (UC) and Crohn's disease (CD) have been reported per 100 000 inhabitants. Epidemiological features and disease characteristics were analysed. RESULTS During the study, 407 cases of UC (163 incident cases) and 254 cases of CD (85 incident cases) were identified. The incidence in the referral population was 0.97/100 000 and 0.50/100 000 for UC and CD, respectively, whereas the prevalences was 2.42/100 000 and 1.51/100 000 for UC and CD, respectively. A slight male predominance, wider age distribution and predominant urban residence were the main demographic features of incident cases; smoking and appendectomy/appendicitis were infrequent in UC, while a higher proportion of CD patients were smokers. Lower rates of severe, extensive or complicated IBD were noted as compared with the literature. CONCLUSION Incidence and prevalence rates of IBD in Romania are low. Predominant male involvement and a wider distribution of incident cases were the main demographic features in our population. IBD in our patients had a more 'benign' course as compared with the literature, with lower rates of severe, extensive or complicated disease and a small proportion of patients who need surgery.
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Affiliation(s)
- Cristian Gheorghe
- Gastroenterology and Hepatology Center, Fundeni Clinical Institute, Bucharest, Romania.
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van der Eijk I, Vlachonikolis IG, Munkholm P, Nijman J, Bernklev T, Politi P, Odes S, Tsianos EV, Stockbrügger RW, Russel MG. The role of quality of care in health-related quality of life in patients with IBD. Inflamm Bowel Dis 2004; 10:392-8. [PMID: 15475747 DOI: 10.1097/00054725-200407000-00010] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
In the literature there are indications of associations between health-related quality of life (HRQoL) in inflammatory bowel disease and disease activity, psychological status, coping, stressful life events, and social support. The aim of this study was to examine whether a relation exists between quality of health care and HRQoL, taking possible confounding variables into account. For this purpose, one single questionnaire was compiled from existing validated questionnaires. A population-based inception cohort of 1056 patients with inflammatory bowel disease in eight countries, diagnosed 6 to 8 years prior to the study, was approached to participate. In total, 824 patients responded (78%), and 517 could be included in statistical analyses. It was shown that in inflammatory bowel disease HRQoL was indeed influenced by quality of care (particularly with regard to the parameters of "providing information," "costs," and "courtesy"), as well as by disease activity, psychological status, type of hospital, social support, stressful life events, and way of administration of the questionnaire. Patients with active disease had lower psychological status and HRQoL scores at the time of the survey than patients without active disease. However, quality of care scores did not differ between these groups. The care aspect "costs" was scored worse by CD compared with UC patients, probably caused by a potentially more expensive treatment. In conclusion, it is shown in a large exploratory study, for the first time, that in inflammatory bowel disease, quality of care has a significant role in determining health-related quality of life.
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Affiliation(s)
- Ingrid van der Eijk
- Department of Gastroenterology and Hepatology, University Hospital Maastricht, The Netherlands
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Loftus EV. Clinical epidemiology of inflammatory bowel disease: Incidence, prevalence, and environmental influences. Gastroenterology 2004; 126:1504-17. [PMID: 15168363 DOI: 10.1053/j.gastro.2004.01.063] [Citation(s) in RCA: 2056] [Impact Index Per Article: 102.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although the incidence and prevalence of ulcerative colitis and Crohn's disease are beginning to stabilize in high-incidence areas such as northern Europe and North America, they continue to rise in low-incidence areas such as southern Europe, Asia, and much of the developing world. As many as 1.4 million persons in the United States and 2.2 million persons in Europe suffer from these diseases. Previously noted racial and ethnic differences seem to be narrowing. Differences in incidence across age, time, and geographic region suggest that environmental factors significantly modify the expression of Crohn's disease and ulcerative colitis. The strongest environmental factors identified are cigarette smoking and appendectomy. Whether other factors such as diet, oral contraceptives, perinatal/childhood infections, or atypical mycobacterial infections play a role in expression of inflammatory bowel disease remains unclear. Additional epidemiologic studies to define better the burden of illness, explore the mechanism of association with environmental factors, and identify new risk factors are needed.
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Affiliation(s)
- Edward V Loftus
- Inflammatory Bowel Disease Clinic, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA.
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Van Der Eijk I, Verheggen FW, Russel MG, Buckley M, Katsanos K, Munkholm P, Engdahl I, Politi P, Odes S, Fossen J, Stockbrügger RW. "Best practice" in inflammatory bowel disease: an international survey and audit. Eur J Intern Med 2004; 15:113-120. [PMID: 15172026 DOI: 10.1016/j.ejim.2004.01.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2003] [Accepted: 01/20/2004] [Indexed: 10/26/2022]
Abstract
Background: An observational study was conducted at eight university and four district hospitals in eight countries collaborating in clinical and epidemiological research in inflammatory bowel disease (IBD) to compare European health care facilities and to define current "best practice" with regard to IBD. Methods: The approach used in this multi-national survey was unique. Existing quality norms, developed for total hospital care by a specialized organization, were restricted to IBD-specific care and adapted to the frame of reference of the study group. In each center, these norms were surveyed by means of questionnaires and professional audits in all participating centers. The collected data were reported to the center, compared to data from other hospitals, and used to benchmark. Group consensus was reached with regard to defining current "best practice". Results: The observations in each center involved patient-oriented processes, technical and patient safety, and quality of the medical standard. Several findings could be directly implemented to improve IBD care in another hospital (benchmarks). These included a confidential relationship between health care worker(s) and patients, and availability of patient data. Conclusions: The observed benchmarks, in combination with other subjectively chosen "positive" procedures, have been defined as current "best practice in IBD", representing practical guidelines towards better quality of care in IBD.
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Affiliation(s)
- Ingrid Van Der Eijk
- Department of Gastroenterology and Hepatology, University Hospital of Maastricht, P.O. Box 5800, 6202 AZ Maastricht, Netherlands
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Linskens RK, Mallant-Hent RC, Murillo LS, von Blomberg BME, Alizadeh BZ, Peña AS. Genetic and serological markers to identify phenotypic subgroups in a Dutch Crohn' s disease population. Dig Liver Dis 2004; 36:29-34. [PMID: 14971813 DOI: 10.1016/j.dld.2003.10.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS Both genetic and microbial factors seem to play a pivotal role in the aetiopathogenesis of Crohn's disease. The CARD15 frameshift mutation might link host genetic factors and the indigenous microbial flora, since CARD15 expression is stimulated by peptidoglycan, thereby activating NF-kappaB. It is hypothesised that CARD15 mutation carriers have defective anti-microbial reactions, resulting in more penetrating lesions and antibody responses, which are now being used as highly specific markers for Crohn's disease. The serological marker anti-Saccharomyces cerevisiae antibody directed against cell wall oligomannosidic epitopes has high specificity for Crohn's disease. Perinuclear anti-neutrophil cytoplasmic antibodies have been found in a subgroup of Crohn's disease patients, mostly with colonic involvement. METHODS We investigated the incidence of two CARD15 mutations (3020insC and 2722G>C), anti-S. cerevisiae antibody, and perinuclear anti-neutrophil cytoplasmic antibody in 108 (73F/35M) patients with Crohn's disease with a mean duration of disease since diagnosis of 16 (1-41) years in relation to their phenotype, according to the Vienna classification. RESULTS The prevalence of CARD15 frameshift mutation was 21%. Of all patients, 62% were anti-S. cerevisiae antibody positive, and 9% had perinuclear anti-neutrophil cytoplasmic antibodies. The prevalence of both anti-S. cerevisiae antibodies and perinuclear anti-neutrophil cytoplasmic antibodies was higher in the mutation carriers compared to non-carriers. Remarkably, all patients with a CARD15 mutation and positive anti-S. cerevisiae antibody had ileal disease. Carriership of the mutation was significantly associated with penetrating behaviour of the disease and weakly associated with stricturing behaviour. Furthermore, anti-S. cerevisiae antibody was associated with ileal disease involvement. Finally, most perinuclear anti-neutrophil cytoplasmic antibody positive patients showed ulcerative-like behaviour of disease (by means of colonic localisation). CONCLUSIONS Genetic and serologic markers might be useful in defining patient subgroups. This may result in a more accurate prediction of disease behaviour, prognosis and therapeutic approach.
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Affiliation(s)
- R K Linskens
- Department of Gastroenterology, VU Medical Center, Amsterdam, The Netherlands.
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Boonen A, Dagnelie PC, Feleus A, Hesselink MA, Muris JW, Stockbrügger RW, Russel MG. The impact of inflammatory bowel disease on labor force participation: results of a population sampled case-control study. Inflamm Bowel Dis 2002; 8:382-9. [PMID: 12454613 DOI: 10.1097/00054725-200211000-00002] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Inflammatory bowel diseases are chronic conditions that might cause a severe impact on social life. The aim of the study was to assess employment, chronic work disability, and sick leave in patients with inflammatory bowel disease. METHODS A postal questionnaire was sent to 984 patients with inflammatory bowel disease and 1504 controls. Age- and gender-adjusted employment and chronic work disability ratios and rates were calculated using indirect standardization. In subjects in paid employment, proportions of those having an episode of sick leave and lost workdays were analyzed. Logistic regression was used to assess the contribution of age, gender, education, and course of disease. RESULTS The results of 680 (69%) patients and 715 (48%) controls could be analyzed. For the entire group of patients, employment was 6.5% lower, compared with controls (95% CI: 4.0-9.0). Chronic work disability was 17.1% higher than expected (95% CI: 15.1-19.1). In those in paid employment, 62% of patients compared with 53% of controls had experienced one or more episodes of sick leave during the past year (p = 0.002). This resulted in 19.2 versus 11.8 days of sick leave per subject per year for patients and controls respectively (p = 0.002). Relative to controls, the risk of chronic work disability was more increased in younger (p = 0.02) and higher educated (p = 0.02) patients. Course of disease contributed to chronic work disability and sick leave. CONCLUSION IBD has a significant impact on labor force participation that is higher in CD compared with UC and highest in younger and more highly educated patients.
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Affiliation(s)
- Annelies Boonen
- Department of Rheumatology, University Hospital Maastricht, University Maastricht, The Netherlands
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Linskens RK, Mallant-Hent RC, Groothuismink ZMA, Bakker-Jonges LE, van de Merwe JP, Hooijkaas H, von Blomberg BME, Meuwissen SGM. Evaluation of serological markers to differentiate between ulcerative colitis and Crohn's disease: pANCA, ASCA and agglutinating antibodies to anaerobic coccoid rods. Eur J Gastroenterol Hepatol 2002; 14:1013-8. [PMID: 12352222 DOI: 10.1097/00042737-200209000-00013] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Accurate diagnosis of inflammatory bowel disease, in particular the differentiation between ulcerative colitis and Crohn's disease, is important for treatment and prognosis. Several serological markers have been used as non-invasive diagnostic tools in inflammatory bowel disease patients both to differentiate ulcerative colitis from Crohn's disease and to define patient subgroups. AIM To evaluate the diagnostic accuracy of three serological tests in differentiating ulcerative colitis from Crohn's disease by single or combined use. METHODS Sera from 51 patients with clinically well-defined ulcerative colitis and 50 patients with clinically well-defined Crohn's disease were analysed. Detection assays for the presence of perinuclear anti-neutrophil cytoplasmatic antibodies (pANCA), antibodies against (ASCA) and serum agglutinating antibodies to anaerobic coccoid rods were studied. Sensitivity, specificity, predictive values and likelihood ratios of each of these serological tests were determined. RESULTS In supporting the diagnosis of ulcerative colitis, the sensitivity and specificity of the pANCA test were 63% and 86%, respectively. The ASCA test (immunoglobulin A or immunoglobulin G positive) for diagnosing Crohn's disease had a sensitivity of 72% and a specificity of 82%. The sensitivity of antibodies to anaerobic coccoid rods in diagnosing Crohn's disease was 52%, whereas specificity was 90%. A combination of pANCA-positive and ASCA-negative results in the case of ulcerative colitis showed a sensitivity and specificity of 51% and 94%, respectively. However, for ASCA-positive and pANCA-negative results in the case of Crohn's disease, sensitivity was 64% and specificity was 94%. The combination of all three tests increased positive predictive value and specificity to 100% for both ulcerative colitis and Crohn's disease. In Crohn's disease patients, positive pANCA was correlated with colonic involvement. No correlation was found between the presence of any of these antibodies and disease activity, duration and behaviour or medical treatment. CONCLUSIONS The value of these serological tests in differentiating ulcerative colitis from Crohn's disease is limited when used separately but, by combining two or more tests, the positive predictive value and specificity can be improved substantially. These tests might be of help in studying disease heterogeneity, and may contribute to defining various subgroups of patients with different pathogeneses.
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Affiliation(s)
- Ronald K Linskens
- Departments of Gastroenterology and Clinical Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands.
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Abstract
The incidence of IBD has either continued to increase or has stabilized at a high rate in most developed countries, whereas the incidence continues to rise in regions where IBD had been less common. The prevalence has continued to increase as a result of a combination of previously rising incidence and improved survival. Regardless of the exact prevalence, the burden of disease in North America and Europe is significant. Studying the patterns of geographic variation and age and gender distribution may yield important clues to the cause of IBD.
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Affiliation(s)
- Edward V Loftus
- Department of Medicine, Mayo Medical School, Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, 200 First Street, SW, Rochester, MN 55905, USA.
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van der Eijk I, Sixma H, Smeets T, Veloso FT, Odes S, Montague S, Fornaciari G, Moum B, Stockbrügger R, Russel M. Quality of health care in inflammatory bowel disease: development of a reliable questionnaire (QUOTE-IBD) and first results. Am J Gastroenterol 2001; 96:3329-36. [PMID: 11774945 DOI: 10.1111/j.1572-0241.2001.05334.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES As inflammatory bowel disease is a chronic disorder, usually with an early onset in life, quality of care plays an important role for patients. The aim of this study was to develop a questionnaire to measure quality of care through the eyes of patients with inflammatory bowel disease. METHODS Ten generic questions were already available because the questionnaire is based on an existing instrument. Patients with inflammatory bowel disease in seven countries were involved in the development of additional disease-specific items. Validation and first field testing of the total questionnaire (QUOTE-IBD) was performed in The Netherlands. RESULTS A total of 380 patients cooperated in the development of 13 disease-specific items, with high internal reliability (Cronbach's alpha = 0.83). Another 162 patients were involved in validating and testing of the QUOTE-IBD, which consists of 23 items in total. Pearson's correlation coefficient between QUOTE-IBD and visual analog scale scores of health care items was 0.55. Intraclass correlation coefficient of two assessments was 0.64. First testing showed that patients gave relatively poor marks to some part of health care services, such as providing information about extraintestinal complaints and the psychological as well as physical approach to complaints. CONCLUSIONS A short, valid, reliable questionnaire was developed to measure the opinions of patients with inflammatory bowel disease on quality of health care. The QUOTE-IBD can be used for identification of areas for improvement, with the aim of optimizing health care in inflammatory bowel disease.
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Affiliation(s)
- I van der Eijk
- Department of Gastroenterology and Hepatology, University Hospital Maastricht, The Netherlands
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Harris JE, Lammerding AM. Crohn's disease and Mycobacterium avium subsp. paratuberculosis: current issues. J Food Prot 2001; 64:2103-10. [PMID: 11770646 DOI: 10.4315/0362-028x-64.12.2103] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Crohn's disease is a chronic debilitating inflammatory bowel disease of unknown etiology. Proposed causes include bacterial or viral infection, diet or exposure to tobacco smoke, genetic abnormality, and immune dysfunction. The bacterium Mycobacterium avium subsp. paratuberculosis (Map) has received much research attention as a potential cause of the disease. Map causes Johne's disease in ruminants. The pathology of Johne's disease superficially resembles that of Crohn's disease in humans. Some researchers have shown evidence of Map in intestinal tissues of Crohn's disease patients. Studies are in progress to investigate the possibility that Map exists in milk from infected cows and survives pasteurization. This is a controversial subject with the potential for media attention and public outcry. We examined the current literature and concluded that insufficient evidence exists at this time to implicate any one factor, including Map in milk, as the definitive cause of Crohn's disease. The high degree of uncertainty in this issue requires regulators to recognize the need for effective risk communication as ongoing research provides additional information about the disease.
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Affiliation(s)
- J E Harris
- Microbial Food Safety Risk Assessment Unit, Laboratory for Foodborne Zoonoses, Health Canada, Guelph, Ontario.
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Affiliation(s)
- H Yang
- Medical Genetics Birth Defects Center, Department of Medicine, Burns and Allen Cedars-Sinai Research Institute, Los Angeles, California 90048, USA.
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Craine BL, Silpa ML, O'Toole CJ. Enterotachogram analysis to distinguish irritable bowel syndrome from Crohn's disease. Dig Dis Sci 2001; 46:1974-9. [PMID: 11575452 DOI: 10.1023/a:1010651602095] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Crohn's disease is often initially misdiagnosed as irritable bowel syndrome. The goal of this research was to determine if computerized auscultation (fasting enterotachogram analysis) could have a role in distinguishing between these diagnoses. Patients with irritable bowel syndrome, Crohn's disease, and a control group were enrolled in the study. The fasting sound-to-sound interval, standard deviation of the interval, sounds per minute, and percentage time involved with bowel sounds was determined by computerized enterotachogram analysis. The mean sound-to-sound interval for the Crohn's group (1232 msecs) and the controls (1706 msecs) was significantly higher than the irritable bowel group (511 msecs, P < 0.0001). We conclude that Crohn's is not characterized by a shortened interval. The high negative predictive value of the fasting enterotachogram for irritable bowel syndrome suggests that an interval greater than 740 msecs should trigger a search for an alternative diagnosis to irritable bowel. Crohn's disease should be included in that differential.
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Affiliation(s)
- B L Craine
- Western Research Company, Inc., Tucson, Arizona 85719, USA
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