Author
Daniel C. Baumgart
Other affiliations: Humboldt State University, Charité, Humboldt University of Berlin ...read more
Bio: Daniel C. Baumgart is an academic researcher from University of Alberta. The author has contributed to research in topics: Inflammatory bowel disease & Ulcerative colitis. The author has an hindex of 52, co-authored 168 publications receiving 13475 citations. Previous affiliations of Daniel C. Baumgart include Humboldt State University & Charité.
Papers published on a yearly basis
Papers
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TL;DR: How environmental factors, infectious microbes, ethnic origin, genetic susceptibility, and a dysregulated immune system can result in mucosal inflammation are discussed.
1,749 citations
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TL;DR: The epidemiology, immunobiology, amd natural history of Crohn's disease is discussed; new treatment goals and risk stratification of patients are described; and an evidence based rational approach to diagnosis is provided.
1,700 citations
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TL;DR: The current diagnostic approach, their pathology, natural course, and common complications, the assessment of disease activity, extraintestinal manifestations, and medical and surgical management are discussed, and diagnostic and therapeutic algorithms are provided.
1,677 citations
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TL;DR: The aim of this Consensus was therefore critically to evaluate the optimal strategies for the management of post-operative recurrence in CD.
Abstract: Principal changes with respect to the 2004 ECCO guidelines
Ileocolonoscopy is recommended within the first year after surgery where treatment decisions may be affected (Statement 8C).
Thiopurines are more effective than mesalazine or imidazole antibiotics alone in post-operative prophylaxis (Statement 8F).
### 8.1 Epidemiology of post-operative Crohn's disease
In the natural history of CD, intestinal resection is almost unavoidable since about 80% of patients require surgery at some stage. Surgery is unfortunately not curative as the disease inexorably recurs in many patients. The post-operative recurrence rate varies according to the definition used: clinical, endoscopic, radiological, or surgical. It is lowest when the repeat resection rate is considered, intermediate when clinical indices are used and highest when endoscopy is employed as the diagnostic tool.1–10
Data from endoscopic follow-up of patients after resection of ileo-caecal disease have shown that in the absence of treatment, the post-operative recurrence rate is around 65–90% within 12 months and 80–100% within 3 years of the operation. The clinical recurrence without therapy is about 20–25%/year.1,10 It has been demonstrated that the post-operative clinical course of CD is best predicted by the severity of endoscopic lesions. Symptoms, in fact, appear only when severe lesions are present and it is not uncommon to observe patients with fairly advanced recurrent lesions at endoscopy who remain asymptomatic.1 For these reasons, clinical indices such as the CDAI have low sensitivity at discriminating between patients with or without post-operative recurrence.11
These data mandate strategies aimed at interrupting or delaying the natural course of post-operative recurrence. Several medications have been tried in an attempt to prevent post-operative recurrence, mostly with disappointing results. The aim of this Consensus was therefore critically to evaluate the optimal strategies for the management of post-operative recurrence in CD. Most, if not all, of the evidence available deals with …
859 citations
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University of Rome Tor Vergata1, University of Alberta2, University of Lisbon3, Frederiksberg Hospital4, University of Naples Federico II5, Sheba Medical Center6, Mater Dei Hospital7, Royal London Hospital8, University College London9, The Catholic University of America10, Sapienza University of Rome11, Pennine Acute Hospitals NHS Trust12, Cleveland Clinic13, University of Barcelona14, St James's University Hospital15, University Medical Center Groningen16, Katholieke Universiteit Leuven17, University of Amsterdam18
TL;DR: Christian Maaser, a Andreas Sturm,b Stephan R. Vavricka,c Torsten Kucharzik,d Gionata Fiorino,e Vito Annese,f Emma Calabrese,f Daniel C. Baumgart,h Dominik Bettenworth,i Paula Borralho Nunes,j, Johan Burisch,k, Fabiana Castiglione,l Rami Eliakim,m Pierre Ellul,n Yago Gonz
Abstract: Christian Maaser,a Andreas Sturm,b Stephan R. Vavricka,c Torsten Kucharzik,d Gionata Fiorino,e Vito Annese,f Emma Calabrese,g Daniel C. Baumgart,h Dominik Bettenworth,i Paula Borralho Nunes,j, Johan Burisch,k, Fabiana Castiglione,l Rami Eliakim,m Pierre Ellul,n Yago González-Lama,o Hannah Gordon,p Steve Halligan,q Konstantinos Katsanos,r Uri Kopylov,m Paulo G. Kotze,s Eduards Krustiņš,t Andrea Laghi,u Jimmy K. Limdi,v Florian Rieder,w Jordi Rimola,x Stuart A. Taylor,y Damian Tolan,z Patrick van Rheenen,aa Bram Verstockt,bb, Jaap Stokercc; on behalf of the European Crohn’s and Colitis Organisation [ECCO] and the European Society of Gastrointestinal and Abdominal Radiology [ESGAR]
779 citations
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TL;DR: This Review summarizes recent advances in understanding the physiological functions of autophagy and its possible roles in the causation and prevention of human diseases.
6,301 citations
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TL;DR: Findings indicating that developmental aspects of the adaptive immune system are influenced by bacterial colonization of the gut are discussed, and the possibility that the mammalian immune system, which seems to be designed to control microorganisms, is in fact controlled by microorganisms is raised.
Abstract: Immunological dysregulation is the cause of many non-infectious human diseases such as autoimmunity, allergy and cancer. The gastrointestinal tract is the primary site of interaction between the host immune system and microorganisms, both symbiotic and pathogenic. In this Review we discuss findings indicating that developmental aspects of the adaptive immune system are influenced by bacterial colonization of the gut. We also highlight the molecular pathways that mediate host–symbiont interactions that regulate proper immune function. Finally, we present recent evidence to support that disturbances in the bacterial microbiota result in dysregulation of adaptive immune cells, and this may underlie disorders such as inflammatory bowel disease. This raises the possibility that the mammalian immune system, which seems to be designed to control microorganisms, is in fact controlled by microorganisms.
4,079 citations
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TL;DR: The changing incidence and prevalence of inflammatory bowel disease around the world has become a global disease with accelerating incidence in newly industrialised countries whose societies have become more westernised and burden remains high as prevalence surpasses 0·3%.
3,176 citations
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TL;DR: At sufficiently high intakes, long-chain n-3 polyunsaturated fatty acids (PUFAs), as found in oily fish and fish oils, decrease the production of inflammatory eicosanoids, cytokines, and reactive oxygen species and the expression of adhesion molecules, and are potentially potent antiinflammatory agents.
2,293 citations
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TL;DR: The current genomic revolution offers an unprecedented opportunity to identify the molecular foundations of symbionts and commensals so that the authors can understand how they contribute to their normal physiology and how they can be exploited to develop new therapeutic strategies.
Abstract: One potential outcome of the adaptive coevolution of humans and bacteria is the development of commensal relationships, where neither partner is harmed, or symbiotic relationships, where unique metabolic traits or other benefits are provided. Our gastrointestinal tract is colonized by a vast community of symbionts and commensals that have important effects on immune function, nutrient processing, and a broad range of other host activities. The current genomic revolution offers an unprecedented opportunity to identify the molecular foundations of these relationships so that we can understand how they contribute to our normal physiology and how they can be exploited to develop new therapeutic strategies.
2,203 citations