Subdural haemorrhage ups short-term stroke risk: study

It raises questions about the need for early reinstatement of antithrombotic therapy, say researchers

Patients who have a subdural haemorrhage are at increased risk of ischaemic stroke over the following four weeks, perhaps because of cessation of antithrombotic medicines, US researchers say.

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Data from more than 1.7 million US Medicare recipients between 2008 and 2014 was used to compare the risk of arterial ischaemic events in 2939 patients who had a non-traumatic subdural haemorrhage, with the remainder, who did not.

The risk of an arterial ischaemic event — defined as either stroke or MI — was increased 3.6-fold in

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