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Updated: Jul 3, 2026
14:58
Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Recanalisation and outcome cerebral venous thrombosis
D W Schultz1, S M Davis, B M Tress
1The Melbourne Neuroscience Centre, Royal Melbourne Hospital, Victoria, Australia.
Summary
Sinus recanalisation after cerebral venous thrombosis (CVT) does not impact patient outcomes. A 6-month anticoagulant therapy duration is appropriate for CVT patients, even with incomplete sinus recanalisation.
Area of Science:
- Neurology
- Vascular Medicine
- Radiology
Background:
- Cerebral venous thrombosis (CVT) is a rare condition with limited understanding of sinus recanalisation natural history.
- Optimal duration of anticoagulant therapy for CVT remains unclear, despite its acute effectiveness.
Purpose of the Study:
- To investigate the relationship between sinus recanalisation and clinical outcomes in patients with CVT.
- To assess the rate and extent of sinus recanalisation following CVT.
Main Methods:
- Retrospective study of 12 consecutive patients diagnosed with aseptic CVT.
- Follow-up imaging (magnetic resonance scans) performed 5-68 months post-onset to evaluate sinus recanalisation.
- Clinical outcomes, including neurological deficits and recurrent thrombosis, were assessed.
Main Results:
- Incomplete sinus recanalisation was observed in 6 out of 9 assessed patients.
- No patient experienced recurrent thrombosis.
- Only one patient presented with residual neurological deficits.
- Sinus recanalisation status did not correlate with clinical outcomes.
Conclusions:
- Sinus recanalisation after cerebral venous thrombosis does not appear to influence clinical outcomes.
- The standard 6-month anticoagulant therapy recommendation for CVT is considered appropriate, even with incomplete recanalisation.
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