• J. Neurol. Neurosurg. Psychiatr. · Mar 2016

    Cerebrovascular injury as a risk factor for amyotrophic lateral sclerosis.

    • Martin R Turner, Raph Goldacre, Kevin Talbot, and Michael J Goldacre.
    • Nuffield Department of Clinical Neurosciences, Oxford University, John Radcliffe Hospital, Oxford, UK.
    • J. Neurol. Neurosurg. Psychiatr. 2016 Mar 1; 87 (3): 244-6.

    ObjectiveTo use an unbiased method to test a previously reported association between cerebral arteriovenous malformation (AVM) embolisation and the subsequent development of amyotrophic lateral sclerosis (ALS).MethodsA hospital record linkage database was used to create cohorts of individuals coded as having cerebral and peripheral vessel AVMs, stroke (separately for haemorrhagic and ischaemic), transient ischaemic attack (TIA) and subarachnoid haemorrhage (SAH). The rate ratio for subsequent ALS was compared to a reference cohort.ResultsAn increased rate ratio for ALS was found in relation to prior AVM (2.69; p=0.005), all strokes (1.38; p<0.001), and TIA (1.47; p<0.001).ConclusionsCerebrovascular injury from a variety of causes, rather than the presence of AVM or the associated embolisation procedure per se, may be a risk factor for ALS within the context of a more complex multiple-hit model of pathogenesis.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

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