Journal of Invasive and Non-Invasive Cardiology

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Short Communication - Journal of Invasive and Non-Invasive Cardiology (2021) Volume 5, Issue 4

WCCCT 2020: Direct oral anticoagulants in preventing venous thromboembolism in ambulatory patients with cancer: A systematic review and meta-analysis- Dastynne Marie L. Dela Cruz, MD and Janine Audrei T. Pajimna, MD- St. Lukeâ??s Medical Center â?? Quezon City, Quezon City, Philippines

Dastynne Marie L. Dela Cruz, MD*, Janine Audrei T. Pajimna, MD

St. Luke?s Medical Center ? Quezon City, Quezon City, Philippines

*Corresponding Author:
Dastynne Marie L. Dela Cruz, MD
St. Luke?s Medical Center ? Quezon City
Quezon City
Philippines
E-mail: [email protected]

Accepted date: December 16, 2021

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Abstract

Venous thromboembolism (VTE) is the second highest cause of mortality among cancer patients1 . Routine thromboprophylaxis is not being given to ambulatory cancer patient based on recent guidelines. Methods: A literature search of randomized controlled trials evaluating the use of direct oral anticoagulants (DOACs) as prophylaxis for VTE among ambulatory cancer patients was conducted in the following databases: PubMed, Cochrane Library, CENTRAL, clinicaltrials.gov, and HERDIN. The primary outcome was the incidence of VTE and the secondary outcomes were major and nonmajor bleeding episodes. Two independent reviewers assessed the methodological quality of the studies using the Cochrane risk of bias tool. The random effects model for dichotomous data was used with a 95% confidence interval. Results: Two randomized controlled trials were included in this study (N=1404). The incidence of VTE among ambulatory cancer patients on DOACs was significantly decreased (OR 0.53; 95% CI 0.31-0.89, I2=31%). The rates of major (OR 1.97; 95% CI 0.88-4.43, I2=0%) and nonmajor (OR 1.37; 95% CI 0.79-2.37, I2=0%) bleeding were not statistically significant. Conclusion: This meta-analysis showed that the use of direct oral anticoagulants is associated with a statistically significant decrease in the rates of venous thromboembolism among high risk ambulatory cancer patients receiving chemotherapy. There was no statistically significant difference in the rates of major and non-major bleeding. DOACs can be used as primary VTE prophylaxis. Further evaluation on more homogeneous population of cancer patients and more powered studies is needed.

References

  1. This work is partly presented at 6th World Congress on Cardiology and Cardiovascular Therapeuticson August 24-25, 2020 held in Kyoto, Japan
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