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Vascular complications in glioma patients

Abstract : Vascular complications in patients with glioma most commonly include venous and arterial thromboembolism; however, treatment-induced vasculopathies are also problematic, especially in long-term survivors. The interactions between treatment such as radiation and chemotherapy, the coagulation cascade, endothelium, and regulators of angiogenesis are complex, drive glioma growth and invasion, and create common management problems in the clinic. We review the incidence of thrombotic complications in glioma, the biology of the coagulome as related to glioma progression, prevention and treatment of thrombosis, the role of anticoagulants as anticancer therapy, and vascular complications such as ischemic stroke and intracranial bleeding. The coagulation cascade is intimately involved in cancer-related thrombosis, glioma progression, and vascular complications of glioma therapy. Tissue factor is the principal initiator of coagulation and is upregulated in a glioma subtype-specific fashion. Short-term (perioperative) antithrombotic prophylaxis is effective, but long-term anticoagulation, although attractive, is not routinely indicated. Most patients with symptomatic venous thromboembolism can be safely anticoagulated, including those on anti-vascular endothelial growth factor therapeutics such as bevacizumab. Initial therapy should include low-molecular-weight heparin, and protracted anticoagulant treatment, perhaps indefinitely, is indicated. Many complex interactions resulting in vessel wall injury can lead to ischemic stroke, intracranial and intratumoral hemorrhage, and long-term sequelae such as cognitive impairment.
Keywords : glioma stroke thrombosis
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https://www.hal.inserm.fr/inserm-02940319
Contributor : Michel Salzet <>
Submitted on : Wednesday, September 16, 2020 - 11:23:21 AM
Last modification on : Monday, September 21, 2020 - 1:45:59 PM

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Emilie Le Rhun, James Perry. Vascular complications in glioma patients. Handbook of Clinical Neurology, 134, pp.251-266, 2016, ⟨10.1016/B978-0-12-802997-8.00015-3⟩. ⟨inserm-02940319⟩

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