Endoscopic activity, tissue factor and Crohn’s disease: findings in clinical remission patients

Background: As Crohn’s disease (CD) is associated with a high risk of thromboembolic events (TE), including patients with subclinical inflammation, we aim to evaluate the correlation between the impact of endoscopic activity (EA) in the coagulation profiling of CD patients while in clinical remissio...

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Published in:	Therapeutic advances in gastroenterology Vol. 13; p. 1756284820939412
Main Authors:	Andrade, Adriana Ribas, da Rocha, Tania Rubia Flores, Ortiz-Agostinho, Carmen Lucia, Nishitokukado, Iêda, Carlos, Alexandre Sousa, de Azevedo, Matheus Freitas Cardoso, Hashimoto, Claudio Lioshi, Damião, Aderson Omar Moura Cintra, Carrilho, Flair José, D’Amico, Elbio, Sipahi, Aytan Miranda, Leite, André Zonetti de Arruda
Format:	Journal Article
Language:	English
Published:	London, England SAGE Publications 2020 Sage Publications Ltd SAGE Publishing
Subjects:	Endoscopy Gastroenterology Original Research Remission (Medicine) thrombosis tissue factor endoscopic activity Crohn’s disease
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Summary:	Background: As Crohn’s disease (CD) is associated with a high risk of thromboembolic events (TE), including patients with subclinical inflammation, we aim to evaluate the correlation between the impact of endoscopic activity (EA) in the coagulation profiling of CD patients while in clinical remission. Methods: From 164 consecutive CD patients included in clinical remission [Crohn’s disease activity index (CDAI) < 150], 75 were in the EA group [Simplified Endoscopic Score for CD (SES-CD) ⩾ 7], 89 were in the endoscopic remission (ER) group (SES-CD ⩽ 2), and 50 were included as healthy controls in the study. Blood samples were analyzed for tissue factor (TF), factor VIII (FVIII), thrombomodulin (TM), ADAMTS-13, von Willebrand factor (VWF), and endogenous thrombin potential (ETP), as well as collecting data regarding risk factors for TE and CD profile. Results: Mean plasma TF activity showed significantly higher levels in the EA group when compared with the ER and control groups (127 pM versus 103 pM versus 84 pM; p = 0.001), although the VWF:Ag (160% versus 168% versus 110%; p = 0.001), VWF/ADAMTS-13 (191 versus 219 versus 138; p = 0.003), FVIII (150% versus 144% versus 90%; p = 0.001) and TM (5.13 ng/ml versus 4.91 ng/mL versus 3.81 ng/ml; p < 0.001) were only increased in CD regardless of EA status when compared with controls. Lastly, ETP with and without TM remained the same in all three groups. Conclusions: CD patients in clinical remission with EA present endothelial lesion inducing TF exposure and subsequent coagulation cascade activation. Recommended thromboprophylaxis for EA outpatient subgroups will require additional investigation in order to be validated.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1756-2848 1756-283X 1756-2848
DOI:	10.1177/1756284820939412