The medical condition known as thrombosis is defined by the formation of a blood clot (thrombus) within a blood vessel, which can block blood flow. Depending on where it forms and how big it is, this clot may form in veins or arteries all over the body and may have significant effects.
The two main categories of thrombosis are:
1. Venous Thrombosis: This occurs when a blood clot forms in a vein, commonly in the pelvic, arm, or deep veins of the legs (deep vein thrombosis, or DVT). A pulmonary embolism, a potentially fatal illness, can result from DVT if the blood clot escapes and travels through the bloodstream to the lungs.
2. Arterial Thrombosis: This happens when a blood clot forms in an artery, which can result in the restriction of blood flow to vital organs or tissues. When it affects the coronary arteries that supply the heart or brain, arterial thrombosis can lead to serious conditions like heart attacks (myocardial infarction) or strokes (cerebral thrombosis or embolism).
The development of thrombosis can be caused by a number of factors, such as:
- Damage or injury to the blood vessel walls.
– Changes in blood flow patterns.
- Hypercoagulability, a term used to describe a blood's increased tendency to clot.
Genetics, age, obesity, immobility (such as prolonged time spent in bed or on long flights), surgery, pregnancy, hormone therapy, certain medical conditions (including cancer), and a history of prior thrombotic events are risk factors for thrombosis.
Anticoagulant drugs (blood thinners) are frequently used in the treatment of thrombosis to stop the clot from getting bigger and to lower the risk of further clot formation. To dissolve or remove the clot in some circumstances, more invasive procedures may be required. The location and severity of the thrombosis, as well as the patient's general condition, determine the best course of treatment. It may also be advised to take preventative steps, such as medication and lifestyle modifications, to lower the risk of future thrombotic events, particularly in people who have underlying risk factors.
Subtopics
Hemostasis and Thrombosis | Coagulation and Its Regulation | Fibrinolysis and Its Regulation | Platelet Structure and Function | Thrombohemorrhagic Disorders | Therapy, New Directions and Complications in Thrombohemorrhagic Disorders
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