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Cerebral Venous Thrombosis
Valérie Biousse1, Frank Tong, Nancy J. Newman
1Neuro-ophthalmology Unit, Emory Eye Center, 1365-B Clifton Road, Atlanta, GA 30322, USA. vbiouss@emory.edu
Insights
Cerebral venous thrombosis (CVT) presents diagnostic and therapeutic challenges. Prompt anticoagulation and potential thrombolysis offer hope for recovery, even in severe neurological deficits.
Area of Science:
- Neurology
- Vascular Medicine
Background:
- Cerebral venous thrombosis (CVT) is a complex neurological condition with diverse presentations, variable onset, multiple etiologies, and unpredictable outcomes.
- It poses significant diagnostic and therapeutic challenges for clinicians.
Purpose of the Study:
- To outline the current diagnostic and therapeutic strategies for cerebral venous thrombosis.
- To emphasize the potential for recovery with timely intervention.
Main Methods:
- Review of current treatment modalities for CVT, including symptomatic management, anticoagulation, and thrombolysis.
- Discussion of advanced techniques such as mechanical thrombectomy and surgical interventions.
Main Results:
- Heparin is the primary treatment for CVT, with recent studies supporting its safety even in cases with hemorrhagic infarctions.
- Local thrombolysis is recommended for patients with worsening symptoms despite anticoagulation.
- Complete neurological recovery is possible in CVT, even in severe cases, underscoring the importance of aggressive treatment.
Conclusions:
- Despite its challenges, CVT is a treatable condition with potential for significant recovery.
- Aggressive management including anticoagulation, thrombolysis, and supportive care is crucial for optimizing patient outcomes.
Abstract:
Because of its wide range of presentations, its highly variable mode of onset, its numerous causes, and its unpredictable outcome, cerebral venous thrombosis (CVT) remains a diagnostic and therapeutic challenge. Treatment of CVT consists primarily of symptomatic treatment of seizures and intracranial hypertension, antithrombotics, and etiologic treatment whenever possible. Heparin remains the first line of treatment for CVT; although its systematic use remains debated, recent studies have confirmed its safety even in patients with large hemorrhagic infarctions. The addition of local thrombolysis is indicated for patients with clinical worsening related to extension of the venous thrombosis, despite adequate anticoagulation and optimal symptomatic and etiologic treatment. In contrast to arterial stroke, complete recovery of prolonged or severe neurologic deficit is possible, justifying initiation of anticoagulation and eventually thrombolysis, even when the clinical situation seems desperate. New techniques using mechanical devices disrupting the clot may be used in addition to thrombolysis in rare cases. Ventricular drainage is indicated in cases of cerebellar infarction or deep venous thrombosis associated with hydrocephalus. Decompressive craniotomy may be performed acutely in patients with untractable intracranial hypertension and herniation.