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Thrombosis

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Content :

Thrombosis

Venous Thromboembolism (VTE), which is the obstruction of a vein by a blood clot, is the third most common cardiovascular disease in the western world, occurring in about 0.1% of people every year.

 

Travellers of all ages will probably now be aware of the probable link between air travel and blood clots. The long periods of inactivity enforced on airline travellers for example, has led to the advent of a condition dubbed by the media as 'economy class syndrome'.

Whether or not such a syndrome exists, it is an indisputable fact that long periods of immobility can result in the development of blood clots. For example, blood clots can occur if you have to stay in bed for a long period of time, such as after an operation on your knee or hip, or during a major illness.

  • Thrombosis occurs when a thrombus or blood clot is formed in a blood vessel (vein or artery). Without treatment, the thrombus may become enlarged to the point where it occludes the vessel and prevents blood and oxygen from reaching the organ concerned.
  • Deep venous thrombosis (DVT) occurs when a blood clot develops in the deep veins of the leg. There is a risk that the clot may be detached from the vascular wall, migrate towards the heart and penetrate the lungs (pulmonary embolism).
  • Acute coronary syndromes are the result of blood clots forming in the coronary arteries so that the heart’s supply of oxygen is reduced.
  • Acute coronary syndrome (ACS) refers to any group of symptoms attributed to obstruction of the coronary arteries. The most common symptom prompting diagnosis of ACS is chest pain, often radiating of the left arm or angle of the jaw, pressure-like in character, and associated with nausea and sweating. Acute coronary syndrome usually occurs as a result of one of three problems: ST elevation myocardial infarction non ST elevation myocardial infarction or unstable angina.

Every year over 4 million patients worldwide are affected by DVT. Arterial thrombosis is the cause of over 600,000 deaths per year.

Updated March 02, 2015