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Patients with CVT urgently need high-quality evidence


In recently published guidelines on the diagnosis and treatment of cerebral venous thrombosis, the European Stroke Organization has applied a rigorous evidence-based methodology, following the GRADE system. However, the guidelines provide many weak recommendations, reflecting the fact that more high-quality evidence from multicentre observational and experimental studies is needed.

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Correspondence to Alessandro Squizzato.

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The authors declare no competing financial interests.

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Riva, N., Squizzato, A. Patients with CVT urgently need high-quality evidence. Nat Rev Neurol 13, 644–646 (2017).

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