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Antithrombotic Treatment Is Associated with Small-Bowel Video Capsule Endoscopy Positive Findings in Obscure Gastrointestinal Bleeding: A Systematic Review and Meta-Analysis.

Abstract：

INTRODUCTION:The impact of antithrombotic treatment on the findings of small-bowel capsule endoscopy for patients with obscure gastrointestinal bleeding remains contentious. We aimed to determine the effect of these agents on small-bowel video capsule endoscopy positive findings. METHODS:MEDLINE, Cochrane Library, and Google Scholar were searched for studies reporting on patients receiving concurrent antithrombotic treatment, while undergoing capsule endoscopy for obscure gastrointestinal bleeding (OGIB). Outcomes were the effect of antithrombotic therapy-overall and per type of antithrombotic agent-on the examination's positive findings and re-bleeding risk. The effect size of study outcomes is presented as odds ratio (OR) with 95% confidence interval (CI). RESULTS:Fourteen studies with 1023 patients were included. We detected significant heterogeneity with no evidence of publication bias. Compared to antithrombotic drug nonusers, antithrombotic treatment was associated with an increased prevalence of positive findings [OR 1.98 (95% CI 1.34-2.93); P = 0.0006]. This effect did not differ between antiplatelet and anticoagulant treatments [OR 2.22 (95% CI 1.28-3.84); P = 0.005 and 2.53 (95% CI 1.66-3.87); P < 0.0001, respectively]. Antithrombotic use over no use was not associated either with overt [OR 1.17 (95% CI 0.51-2.66); P = 0.71] or with occult [OR 0.86 (95% CI 0.38-1.95); P = 0.71] bleeding pattern. However, concurrent antithrombotic treatment was associated with higher odds for re-bleeding compared to no treatment [OR 2.53 (95% CI 1.46-4.37); P = 0.0009]. CONCLUSIONS:Antithrombotic treatment is associated with more positive findings in small-bowel video capsule endoscopy in OGIB as well as higher odds of re-bleeding.

journal_name

Dig Dis Sci

journal_title

Digestive diseases and sciences

authors

Tziatzios G,Gkolfakis P,Papanikolaou IS,Triantafyllou K

doi

10.1007/s10620-018-5292-0

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

15-24

issue

eissn

0163-2116

issn

1573-2568

pii

10.1007/s10620-018-5292-0

journal_volume

pub_type

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Antithrombotic Treatment Is Associated with Small-Bowel Video Capsule Endoscopy Positive Findings in Obscure Gastrointestinal Bleeding: A Systematic Review and Meta-Analysis.