• Kristin Salottolo, Russell Bartt, Donald F Frei, Richard J Bellon, Benjamin Atchie, Kathryn McCarthy, and David Bar-Or.
• Department of Trauma Research, Swedish Medical Center, Englewood, Colorado, USA.
• World Neurosurg. 2020 May 1; 137: 408-414.

ObjectiveCerebral venous thrombosis (CVT) is a rare type of stroke whose pathophysiology differs from arterial stroke. CVT is treated with systemic anticoagulant therapy even in the setting of intracerebral hemorrhage. Patients who do not respond adequately may require decompressive surgery. The study objective was to examine the timing of anticoagulation in patients with CVT who require decompressive surgery through systematic literature review and consecutive case series.MethodsA review of the literature was performed through PubMed using key word search to identify case series and cohort studies examining timing of anticoagulation following decompressive surgery. Our case series included 4 patients who had decompressive surgery for hemorrhagic CVT between 1 January, 2015 and 31 December, 2016 at our comprehensive stroke center.ResultsThe literature review summarizes 243 patients from 15 studies whose timing of anticoagulation varied. The review suggests anticoagulation can be safely resumed at 48 hours postoperatively based on larger series and as early as 12 hours in smaller series, especially when delivered as a half or prophylactic dose. In our case series, timing of anticoagulation varied slightly but was started or resumed within 38-44 hours postoperatively in 3 patients and was started at the time of decompressive surgery without interruption in 1 patient. No patient had worsening hemorrhage or new hemorrhage while 2 patients rethrombosed.ConclusionsDespite the lack of high-quality studies, this systematic review of patients with CVT requiring decompressive surgery indicates that anticoagulation can be safely initiated or resumed around 24-48 hours postoperatively; our series supports the existing literature.Copyright © 2020 Elsevier Inc. All rights reserved.

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