[Risk of deep venous thrombosis during an air flight: prevention and counselling at the counter]. / Le risque de thrombose veineuse profonde lors d'un voyage en avion : prévention et conseil à l'officine.

Worldwide air traffic reaches about 2.3 billion passengers per year. The increasing number of persons at thrombo-embolic risk, together with potentially severe or fatal complications of deep venous thrombosis, suggests community pharmacists can give basic preventive advice to persons identified as at risk.