Deep vein thrombosis is a condition in which blood clot forms in either one or more deep veins in the body. It usually occurs in the legs. Deep vein thrombosis can lead to leg pain as well as swelling, though it can also occur without any symptoms.
Some of the risk factors of deep vein thrombosis include the following:
- Prolonged bed rest, such as at the time of a long hospital stay or paralysis: when your legs stay still for long durations, the calf muscles fail to contract and allow the blood to circulate, which can also increase the risk of blood clots.
- Inheriting a blood-clotting disorder:Some people can inherit a certain kind of disorder that makes their blood clot more easily than others. This disorder may not necessarily be the only reason for DVT. It usually causes DVT in combination with other risk factors.
- Pregnancy:Being pregnant increases the pressure in veins in the pelvis and legs. Those women who have an inherited clotting disorder tend to be especially at the risk of DVT. A pregnant woman is likely to run the risk of blood clots for up to six weeks after she has had her baby.
- Surgery or injury: If there has been any sort of injury to your veins or you have been through surgery in the past, you have an increased risk of blood clots.
- Overweight or obesity: If you are overweight, you naturally are disposed to have DVT or at least run a high risk of the disease.
- Cancer: Certain types of cancer can cause an increase in substances in your blood that cause the blood to clot easily. Some cancer forms also increase blood clot risk.
- Heart failure: Those people who suffer from heart failure run a greater risk of pulmonary embolism and DVT.
- Sitting in a particular position for long durations, such as when travelling in a bus or driving can make your muscles to not contract. Immobility for a long time can raise the risk of you developing DVT.
- Age: being over the age of 60 years increases your risk of DVT, though it can develop at any age.
- Smoking: whether you smoke just one cigarette or a pack a day, you still affect blood circulation in your body, which can thus increase the risk of DVT.
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