DVT risk

Low air pressure and lack of oxygen during air travel may increase the risk of DVT (pictured), said Dutch researchers, who compared thrombolytic markers in 71 healthy volunteers before, during and after an eight-hour flight with levels at the same points in an eight-hour movie marathon. They found that flying increased the risk of DVT more than the movie marathon, indicating that immobilisation is not the only factor to increase DVT risk during air travel (Lancet 2006; 367: 832-8).


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