Warfarin ups stroke risk in first month

AF patients started on warfarin are almost twice as likely to suffer an ischaemic stroke in the first 30 days of use than those who don’t take the drugs, according to new research.

The study shows stroke risk in these patients is highest in the first week after starting the drug, but that this rights itself after the 30-day mark with the risk of stroke halving.

This is the first time warfarin initiation has been linked to an increased