DVT & Travel

What Is DVT?

Deep Vein Thrombosis (DVT) is a common condition in which a blood clot forms within a deep vein in the leg.  Leg muscles are an integral part of the pumping process needed to transport blood from the lower extremities to the heart.  Normal activities, such as walking, facilitate the flow of blood through the veins, and the body has a system of "non-return" valves which inhibit the flow of blood downward in the legs so it continues to move up toward the heart.  If immobility hampers the flow of blood to the heart from the legs, then sometimes a clot can form inside a vein - hence, deep vein thrombosis.

Usually swelling and pain in an affected leg are enough to sound the alarm for DVT.  While complications are rare, there is one which can be potentially life threatening.  Should a blood clot form and then break away in a leg vein, it may travel upwards to the heart and actually clear the heart valves only to become lodged in a smaller vessel.  If that vessel is in the lungs, then pulmonary embolism (PE) is the result.  The original clot is called an embolism and the pulmonary tract is the lung and breathing facilities of the body.

Air Travel Affects My Veins???

For several years it has been suspected that long-distance travel may be a factor in increased risk for DVT as sitting for long periods of time can restrict the flow of blood from the legs or create more clotting.   While there is little hard evidence in hand on the subject, the pre-existence of risk factors for DVT have been found to increase chances of DVT during long journeys.

There are some precautions a person can take when traveling long distances, especially by air, which can reduce the possibility of DVT.  As a general rule, these precautions are wise for any long-distance traveler.  Anybody can become afflicted with DVT and by exercising some basic cautions it can be avoided.

Ways To Avoid The Problem

It is important to remain hydrated during your flight by drinking adequate amounts of water.  Liquor dehydrates the body, so it should be limited or better yet, avoided during the flight.  Loose clothing helps to keep blood flowing as there is less risk of constriction in movement.  Sleeping pills can be more of a curse than a blessing as they ensure immobility while one sleeps.  As long as it is safe to do so, a walk down the aisle of the plane is a great idea.  These few suggestions can go a long way to ensuring "event-free" travel.