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. 2022 May 25:15:17562848221100626.
doi: 10.1177/17562848221100626. eCollection 2022.

Inflammatory bowel disease and thromboembolic events: a c'lot to learn

Ana Catarina Carvalho  1 , Juliana Pinho  1 , Eugénia Cancela  1 , Hugo Marcelo Vieira  2 , Américo Silva  1 , Paula Ministro  3
Affiliations

Inflammatory bowel disease and thromboembolic events: a c'lot to learn

Ana Catarina Carvalho et al. Therap Adv Gastroenterol. .

Abstract

Background: Inflammatory bowel disease (IBD) is associated with a variety of extraintestinal manifestations including arterial and venous thromboembolism. Research evidences that IBD patients have about a 2- to 3-fold increase in the risk of venous thromboembolism when compared with the general population.

Objectives: We intended to evaluate the coagulation parameters and the prevalence of thromboembolic events (TE) in IBD patients. It was also our aim to investigate the correlation between coagulation parameters and disease phenotype and activity in this population.

Methods: This single center prospective observational study was performed between November 2016 and April 2020. The cohort included patients with 18 years of age or older, diagnosed with IBD and followed at a gastroenterology consultation, during a follow-up period of 36 months. Patients were evaluated in terms of IBD type, extent and disease behavior, clinical scores of IBD activity, medication, smoking history, family and personal history of TE, coagulation parameters, fecal calprotectin levels, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), hospitalization due to TE, IBD-related hospitalization or surgery, pregnancy, or diagnosis of malignancy.

Results: The study included 149 IBD patients (67 males and 82 females). Coagulation parameters were similar in CD and UC patients and only plasminogen was increased in CD patients [97.4 (17.0) versus 91.6 (13.3), p = 0.035], when comparing with UC patients. The determined values were in the range of the reference values described in literature for the standard population. During the follow-up period, none of the patients experienced a TE that demanded hospitalization.

Conclusion: In our study, acquired and inherited risk factors for TE and changes in coagulation parameters did not show to influence prothrombotic predisposition in IBD patients. As such, the clinical relevance of measuring coagulation parameters in this population is questionable.

Trial registry: NCT05162339 (ClinicalTrials.gov ID).

Keywords: coagulation parameters; genetic background; inflammatory bowel disease; risk factors; thromboembolic events.

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Conflict of interest statement

Conflict of interest statement: A.C.C., J.P., E.C., H.M.V., A.S. declare that there is no conflict of interest. P.M. received consulting fees and support to travel to meetings from the following companies: Abbvie, Falk Pharma, Ferring, Pfizer, Takeda, and Janssen.

Figures

Figure 1.
Figure 1.
Study timeline and data collected.
See this image and copyright information in PMC

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