Some medical conditions that make people more prone to DVT
those at minor risk | those at moderate risk | those at substantial risk |
|---|---|---|
aged over 40 | recent heart disease | previous or current DVT |
very tall, very short, or obese | pregnant or one any hormone medication, particularly the contraceptive pill and HRT | known clotting tendency |
previous or current leg swelling from any cause | recent major leg injury or leg surgery (less than 6 weeks) | recent major surgery or stroke (within 6 weeks) |
recent minor leg injury or minor body surgery | family history of DVT | current malignant disease or chemotherapy |
minor varicose veins | extensive varicose veins | paralysed lower limb |
| polycythaemia | depletion of body fluids causing increased blood thickening |
advice and actions to be taken
those at minor risk | those at moderate risk | those at substantial risk |
|---|---|---|
A | B | C |
drink plenty of water before, during and after flight | recommendation A plus B | recommendation A+B plus C |
keep mobilised – walk around the cabin whenever you can | consult with GP prior to flight | low molecular weight heparin or warfarin |
wear support tights or flight socks | wear graduated compression stockings or flight socks |
|
Passengers should seek medical advice if they are concerned.