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Published on: October 27, 2014
Management of venous thromboembolism in patients with glioma
Mosaad Al Megren1, Carine De Wit2, Mohammad Al Qahtani3
1College of Medicine, Al Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia.
Background:
Venous thromboembolism (VTE) is a common complication among patients with glioma. However, data on the safety of therapeutic doses of anticoagulation is scarce in this patient population.
Objectives:
The purpose of this study is to evaluate the risk of intracranial hemorrhage (ICH) in glioma patients receiving therapeutic anticoagulation for VTE treatment.
Patients And Methods:
We conducted a case-control study including glioma patients with and without acute VTE from Jan 2010 to March 2015. Controls were matched based on age, gender and tumor grade.
Result:
569 patients with glioma were identified, 76 (13.3%) developed acute VTE. Of the 70 patients treated with full dose anticoagulant therapy, 14 (20%) patients had a major bleeding including 11 (15.7%) ICH. The odds ratio for ICH in patients with glioma and VTE who were treated with anticoagulation compared to the control group was 7.5 (95% CI, 1.6-34.9) p=0.01. Overall survival was similar for VTE and control group (36 vs. 42months, p=0.93).
Conclusion:
Therapeutic anticoagulation is associated with a 7-fold increase risk of ICH in glioma patients. Data emerging from this study support the need for high quality studies to evaluate the risk of ICH in patients with glioma and VTE.
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