Flying and Thrombosis

Passenger aeroplane landing The so called "economy class syndrome" (or pulmonary embolism) has been in the news recently. The risk of developing either deep vein thrombosis or pulmonary embolism during a long haul flight has not changed suddenly. There has always been some risk present. The various factors which make up this risk are listed below:

Risk Factors:

Cabin-related factors	Patient-related factors
Immobility Cramped seating Low atmospheric pressure Relatively reduced oxygen concentration at altitude Dehydration Low humidity	Overweight Previous history of thromboembolism or deep vein thrombosis Heart disease On hormone therapy Presence of cancer Recent surgery or injury Smoking

You can reduce your risk of developing thrombosis during or just after a long haul flight by taking some practical steps:

Take 75mg of aspirin an hour or so before the flight if there are no contraindications
Wear compression stockings if you have any risk factors or a tendency to swelling of the legs
Drink plenty of water and avoid alcohol
Walk up and down the aisle as often as possible
Wiggle your toes and feet frequently while sitting

Flying and Thrombosis

Cabin-related factors

Patient-related factors