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Educational Content
Diseases
Cardiovascular Diseases
Venous Thromboembolism
Cardiovascular Diseases
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Venous Thromboembolism
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Abstract:
Venous thromboembolism (VTE) is a common, potentially fatal, disease that can lead to enduring serious complications.
VTE usually occurs when a blood clot forms in a deep vein in the legs, but then travels through the bloodstream to the lungs.
VTE can develop due to certain known causes, or, in some cases, it can happen for no reason. It is important to be familiar with the signs and symptoms.
The risk of deep vein thrombosis increases when several risk factors are present at the same time.
The best way to prevent venous thromboembolism is to keep active and avoid physical inactivity and lethargy.
Overview:
Venous thromboembolism (VTE) refers to a blood clot that starts in a vein. It is a disorder that includes deep vein thrombosis and pulmonary embolism. This common and potentially lethal disease is often overlooked. But it can lead to enduring, long-term serious complications.
Names:
Venous thromboembolism, VTE
Types:
Deep vein thrombosis (DVT):
Deep vein thrombosis occurs when a blood clot forms in one or more of the deep veins in the body; usually in the legs, but sometimes the arms or other veins. Deep vein thrombosis can be very serious because blood clots in the veins can break loose, travel through the bloodstream, and lodge in the lungs.
Pulmonary embolism (PE):
A pulmonary embolism occurs when a clot travels through the bloodstream to the lungs.
Cause:
Blood is in a constant state of circulation; it is constantly flowing through the blood vessels. However, in certain cases, blood clots may form due to:
Stoppage or slowness of the blood flow in the blood vessels;
Increased density of platelets and blood plasma;
Changes or damage in the vein wall;
No apparent reason.
Risk factors:
Genetics
Other chronic health conditions (e.g. hypertension, etc.)
Physical inactivity, and staying in bed for too long (in such cases as prolonged hospital stay, paralysis, etc.)
Sitting for too long (for example, in a plane or a car)
Pregnancy, as it increases the pressure in the veins of the pelvis and legs
Some contraception medicines (especially if administered orally) and hormonal replacement therapies
Personal history of deep vein thrombosis or pulmonary embolism
Hip or pelvis fractures
Cancer and some of its treatments
Surgery
Overweight and obesity
Hereditary blood disorders
Smoking
Symptoms:
Deep vein thrombosis (DVT)
Pulmonary embolism (PE)
Leg pain
Swelling in the leg or arm
Red or discolored skin on the leg
A feeling of warmth in the affected leg
Sudden shortness of breath
Chest pain or discomfort that worsens when you take a deep breath or when you cough
Palpitation or abnormal pulse
Coughing up blood
Dizziness or fainting
Deep vein thrombosis can occur without overt symptoms.
When to see a doctor?
Consult your doctor immediately if you notice any of the above-mentioned signs and symptoms of deep vein thrombosis or pulmonary embolism.
Complications:
Chronic thromboembolic pulmonary hypertension;
Venous insufficiency (post-thrombotic syndrome), which is caused by the damage the venous valves have sustained from the blood clot and leads to swelling and fluid retention in the legs.
Diagnosis:
Clinical examination
Laboratory tests: blood test
Other tests, including: Ultrasound, X-ray scan, MRI scan, and CT scan
Treatment:
Treatment for venous thromboembolism usually involves taking anticoagulant medications, which reduce the blood's ability to clot. These medications are given either by mouth (orally), by injection through the skin, or by an intravenous (IV) injection.
The patient might also be advised to wear compression stockings to improve blood flow, prevent swelling, and stop the blood from pooling and clotting again.
In rare cases it may be necessary to perform surgery to remove a clot.
Prevention:
Stay active and avoid lack of movement and lethargy.
Avoid sitting for long periods of time ( e.g. after surgery).
Use intermittent pneumatic compression devices if you are unable to get up and move around.
Wear compression stockings.
Engage in regular physical activity.
If you are traveling long distances, whether by land or by air, try to move your feet or keep them elevated, and try to walk around if possible.
Drink plenty of fluids to prevent dehydration.
Maintain a healthy diet and avoid obesity.
Avoid crossing your legs for long periods of time as it restricts blood flow.
Make sure to take your anticoagulant medications as instructed by your physician.
Stopping smoking.
FAQ:
Q: Does massaging the swollen area stimulate blood flow and treat clots?
A:
No, massaging the swollen area in case of suspected clot may result in dislodging the clot which only makes it travel through the bloodstream to potentially more critical areas of the body.
Q: Should aspirin be taken after the age of 40 to prevent blood clots?
A:
Aspirin must not be taken without a doctor prescription. The doctor may prescribe aspirin in certain cases if the patient has certain risk factors for heart disease.
Clinical Education General Department
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Last Update :
24 March 2020 08:17 AM
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Cardiovascular Diseases
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Cardiovascular Diseases … Prevention and Treatment
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