BMJ  2006;332 (21 January), doi:10.1136/bmj.332.7534.0

Bleeding on warfarin influences doctors' prescribing

A doctor with a patient who has had a haemorrhage while taking warfarin is less likely to prescribe warfarin to future patients who have atrial fibrillation. In a population based, matched pair analysis, Choudhry and colleagues (p 141) assessed what impact haemorrhage and thromboembolic stroke in atrial fibrillation patients had on future prescribing of warfarin. They found that doctors were less likely to prescribe warfarin after one of their patients had experienced a bleeding event (adjusted odds ratio 0.79, 95% CI 0.62 to 1.00), but warfarin prescribing did not change significantly after a patient not taking warfarin had a stroke.

Credit: P MARAZZI/SPL

 

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