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Review
. 2012 Aug 7;18(29):3790-9.
doi: 10.3748/wjg.v18.i29.3790.

Crucial steps in the natural history of inflammatory bowel disease

Giovanni Latella  1 , Claudio Papi
Affiliations
Review

Crucial steps in the natural history of inflammatory bowel disease

Giovanni Latella et al. World J Gastroenterol. .

Abstract

Inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), are chronic, progressive and disabling disorders. Over the last few decades, new therapeutic approaches have been introduced which have led not only to a reduction in the mortality rate but also offered the possibility of a favorable modification in the natural history of IBD. The identification of clinical, genetic and serological prognostic factors has permitted a better stratification of the disease, thus allowing the opportunity to indicate the most appropriate therapy. Early treatment with immunosuppressive drugs and biologics has offered the opportunity to change, at least in the short term, the course of the disease by reducing, in a subset of patients with IBD, hospitalization and the need for surgery. In this review, the crucial steps in the natural history of both UC and CD will be discussed, as well as the factors that may change their clinical course. The methodological requirements for high quality studies on the course and prognosis of IBD, the true impact of environmental and dietary factors on the clinical course of IBD, the clinical, serological and genetic predictors of the IBD course (in particular, which of these are relevant and appropriate for use in clinical practice), the impact of the various forms of medical treatment on the IBD complication rate, the role of surgery for IBD in the biologic era, the true magnitude of risk of colorectal cancer associated with IBD, as well as the mortality rate related to IBD will be stressed; all topics that are extensively discussed in separate reviews included in this issue of World Journal of Gastroenterology.

Keywords: Clinical course; Complications; Crohn’s disease; Inflammatory bowel disease; Mortality; Natural history; Surgery; Therapy; Ulcerative colitis.

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Figures

Figure 1
Figure 1
Longitudinal course of inflammatory bowel disease.
Figure 2
Figure 2
Potential effects of medical therapy on the natural history of inflammatory bowel disease.
See this image and copyright information in PMC

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