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Crohn's disease in a southern European country: Montreal classification and clinical activity

2010Journal article Open access
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dc.contributor.authorMagro, F
dc.contributor.authorPortela, F
dc.contributor.authorLago, P
dc.contributor.authorRamos de Deus, J
dc.contributor.authorVieira, A
dc.contributor.authorPeixe, P
dc.contributor.authorCremers, I
dc.contributor.authorCotter, J
dc.contributor.authorCravo, M
dc.contributor.authorTavares, L
dc.contributor.authorReis, J
dc.contributor.authorGonçalves, R
dc.contributor.authorLopes, H
dc.contributor.authorCaldeira, P
dc.contributor.authorMinistro, P
dc.contributor.authorCarvalho, L
dc.contributor.authorAzevedo, L
dc.contributor.authorCosta-Pereira, A
dc.date.accessioned2012-04-30T14:14:53Z
dc.date.available2012-04-30T14:14:53Z
dc.date.issued2010
dc.description.abstractBACKGROUND: Given the heterogeneous nature of Crohn's disease (CD), our aim was to apply the Montreal Classification to a large cohort of Portuguese patients with CD in order to identify potential predictive regarding the need for medical and/or surgical treatment. METHODS: A cross-sectional study was used based on data from an on-line registry of patients with CD. RESULTS: Of the 1692 patients with 5 or more years of disease, 747 (44%) were male and 945 (56%) female. On multivariate analysis the A2 group was an independent risk factor of the need for steroids (odds ratio [OR] 1.6, 95% confidence interval [CI] 1.1-2.3) and the A1 and A2 groups for immunosuppressants (OR 2.2; CI 1.2-3.8; OR 1.4; CI 1.0-2.0, respectively). An L3+L3(4) and L(4) location were risk factors for immunosuppression (OR 1.9; CI 1.5-2.4), whereas an L1 location was significantly associated with the need for abdominal surgery (P < 0.001). After 20 years of disease, less than 10% of patients persisted without steroids, immunosuppression, or surgery. The Montreal Classification allowed us to identify different groups of disease severity: A1 were more immunosuppressed without surgery, most of A2 patients were submitted to surgery, and 52% of L1+L1(4) patients were operated without immunosuppressants. CONCLUSIONS: Stratifying patients according to the Montreal Classification may prove useful in identifying different phenotypes with different therapies and severity. Most of our patients have severe disease.por
dc.identifier.citationInflamm Bowel Dis. 2009;15(9):1343-50.por
dc.identifier.urihttp://hdl.handle.net/10400.4/1362
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWileypor
dc.subjectDoença de Crohnpor
dc.subjectPortugalpor
dc.titleCrohn's disease in a southern European country: Montreal classification and clinical activitypor
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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