Intended for healthcare professionals


Let’s stop “thinning the blood”

BMJ 2012; 344 doi: (Published 15 June 2012) Cite this as: BMJ 2012;344:e4114
  1. Paul Woodmansey, consultant cardiologist, Mid Staffordshire NHS Foundation Trust, Stafford, UK
  1. paul.woodmansey{at}

Coumarin anticoagulant drugs have been used in medicine since the 1940s,1 although the first recorded human administration of warfarin seems to have been a suicide attempt in 1952.2 Similarly, the role of aspirin as an antiplatelet agent has been long established, and several newer anticoagulant drugs have entered the market over the years.

Although I was surprised to learn that in ponies with navicular disease warfarin has been shown to reduce plasma viscosity, …

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