BMJ 2008; 336 doi: https://doi.org/10.1136/bmj.39597.485556.47 (Published 05 June 2008) Cite this as: BMJ 2008;336:1316

Two cohorts of patients who underwent hip surgery without anticoagulants to help prevent deep vein thrombosis were reviewed (Journal of Bone and Joint Surgery 2008;90-B:562-9; doi: 10.1302/0301-620X.90B5.19744). Thromboprophylaxis regimens included an antiplatelet agent, usually aspirin, hypotensive epidural anaesthesia, elastic compression stockings, and early mobilisation. In the first cohort mechanical compression devices were not used, and the second cohort received bilateral intermittent pneumatic calf compression. Deep vein thromboses were detected on ultrasound in 10.2% of the first cohort and 4.6% of the second—a significant difference (P=0.03).

Does adding the trace element vanadium to the diet of people with type 2 diabetes improve matters? Unconventional nutritionists advocate giving micronutrients to this group of patients, but the diabetes charities and mainstream practitioners don’t. Reviewing the evidence, the authors of a systematic review of vanadium supplementation for glycaemic control found no robust evidence in favour of vanadium supplementation. The routine use of vanadium in type 2 diabetes cannot be recommended (QJM 2008;101:351-8; doi: 10.1093/qjmed/hcn003).

Stroke survivors …

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