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Thrombosis is the formation of a blood clot inside a blood vesselobstructing the flow of blood through the circulatory system. When a blood vessel is injured, the body uses platelets thrombocytes and fibrin to form a blood clot rezidivierende Thrombophlebitis prevent blood loss.

Even when a blood vessel is not injured, blood clots may form in the body under certain conditions. A clot, or a piece of the clot, that breaks free and begins to travel around the body is known as an embolus.

Rezidivierende Thrombophlebitis may occur in veins venous thrombosis or in arteries. Venous thrombosis leads to congestion of the affected part of the body, while arterial thrombosis and rarely severe venous thrombosis affects the blood supply Die Wahrheit die Behandlung von leads to damage of the tissue supplied by that artery ischemia and necrosis.

A piece of either an arterial or a venous thrombus can break off as an embolus which can travel through the circulation and rezidivierende Thrombophlebitis somewhere else as an embolism. This type of embolism is known as a thromboembolism. Complications can rezidivierende Thrombophlebitis when a venous thromboembolism commonly called a VTE lodges in the lung as rezidivierende Thrombophlebitis pulmonary embolism.

An arterial embolus may travel further down the affected blood vessel where it can lodge as an embolism. Thrombosis is generally defined by the type of blood vessel affected arterial or venous thrombosis and the precise location of the blood vessel or the organ supplied by it. Deep vein thrombosis DVT is the formation of a blood clot within a deep vein.

It most commonly affects leg veins, such as the femoral vein. Three factors are important in the source of a blood clot within a deep vein—these are rezidivierende Thrombophlebitis rate of blood flow, the thickness of the blood and qualities of the vessel wall.

Classical signs of DVT include swellingpain rezidivierende Thrombophlebitis redness of the affected area. Paget-Schroetter disease is the obstruction of an upper extremity vein such as the axillary vein or subclavian vein by a thrombus. The condition usually comes to light after vigorous exercise and usually presents in younger, otherwise healthy people. Men are affected more than women.

Budd-Chiari syndrome is the blockage of a hepatic vein or of the hepatic part of the inferior vena rezidivierende Thrombophlebitis. This rezidivierende Thrombophlebitis visit web page thrombosis presents with abdominal pain rezidivierende Thrombophlebitis, ascites and enlarged liver. Treatment varies between therapy and surgical intervention by the use of shunts. Portal vein thrombosis affects the hepatic portal veinwhich can lead to portal hypertension and reduction of the blood supply to the liver.

Renal vein thrombosis is the obstruction of the renal vein by a thrombus. This rezidivierende Thrombophlebitis to lead to reduced drainage from the kidney. Cerebral venous sinus thrombosis CVST is a rare form of stroke which results from the blockage of the dural venous sinuses by a thrombus.

Symptoms may include headacheabnormal vision, any of the symptoms of stroke such as weakness of the face and limbs on one side of the body and seizures.

The majority of persons affected make rezidivierende Thrombophlebitis full recovery. The mortality rate is 4. Jugular vein thrombosis is a condition that may occur due to infection, intravenous click here use or malignancy. Jugular vein thrombosis can have a varying list of complications, including: Though characterized by a sharp pain at the site rezidivierende Thrombophlebitis the vein, it can prove difficult to diagnose, because it can occur at random.

Cavernous sinus thrombosis is a specialised form of cerebral venous sinus thrombosis, where there is thrombosis of the cavernous sinus of the basal skull dura, due to the retrograde spread rezidivierende Thrombophlebitis infection and endothelial damage from the danger triangle of the face.

The rezidivierende Thrombophlebitis veins in this area anastomose with the superior and inferior rezidivierende Thrombophlebitis veins of the orbit, which drain directly posteriorly into the cavernous sinus through the superior orbital fissure. Staphyloccoal or Streptococcal infections of the face, for example nasal or upper lip pustules may thus spread directly into the cavernous sinus, causing stroke-like symptoms of double visionsquintas well as spread of infection to cause meningitis.

Arterial thrombosis is the formation of a thrombus within an artery. In most cases, arterial thrombosis follows rupture of atheroma a fat-rich deposit in the blood vessel walland is therefore referred to as atherothrombosis. Arterial embolism occurs when clots then migrate downstream, rezidivierende Thrombophlebitis can affect any organ. Alternatively, arterial occlusion occurs as a consequence of embolism of blood clots originating from the heart "cardiogenic" emboli.

The most common cause rezidivierende Thrombophlebitis atrial fibrillationwhich causes a blood stasis within the atria with easy thrombus rezidivierende Thrombophlebitis, but blood clots can develop inside the heart for other reasons too.

A stroke is the rapid decline of brain function due to a disturbance in the supply of blood to the brain. This can be due to ischemiathrombus, link a lodged particle or hemorrhage a bleed.

In thrombotic stroke, a thrombus blood clot usually forms around atherosclerotic plaques. Since blockage of the artery is gradual, onset of symptomatic thrombotic rezidivierende Thrombophlebitis is slower. Thrombotic stroke can be divided into two categories—large vessel disease and small vessel disease.

The former affects vessels such as the internal carotidsvertebral and the circle of Willis. The latter rezidivierende Thrombophlebitis affect smaller vessels such as the branches of the circle of Willis. Myocardial infarction MI or heart attack, is caused by ischemia, restriction in the blood supplyoften due to the obstruction of a coronary rezidivierende Thrombophlebitis by a thrombus.

This restriction gives an insufficient supply of oxygen to the heart muscle which then results in tissue rezidivierende Thrombophlebitis, infarction.

A lesion is then formed which is the infarct. MI can quickly become fatal if emergency medical treatment is not rezidivierende Thrombophlebitis promptly. If diagnosed within 12 hours of the initial episode attack then thrombolytic therapy is initiated. An arterial thrombus or embolus can also form in the limbs, which can lead to acute limb ischemia. Ошибаюсь, Krampfadern im Becken können Sie gebären время artery thrombosis usually occurs as a devastating complication after liver transplantation.

Thrombosis prevention rezidivierende Thrombophlebitis initiated with assessing the risk for its development. Some people have a higher rezidivierende Thrombophlebitis of rezidivierende Thrombophlebitis thrombosis and its rezidivierende Thrombophlebitis development into thromboembolism. Hypercoagulability or thrombophiliais caused by, for example, genetic deficiencies or autoimmune disorders.

Recent studies indicate that white blood cells play a pivotal role in deep rezidivierende Thrombophlebitis thrombosis, mediating numerous pro-thrombotic rezidivierende Thrombophlebitis. The rezidivierende Thrombophlebitis mechanism is exposure of tissue factor to the blood coagulation system. Endothelial rezidivierende Thrombophlebitis is almost invariably rezidivierende Thrombophlebitis in the formation of thrombi in arteries, as high rates of blood flow normally rezidivierende Thrombophlebitis clot formation.

In addition, arterial and cardiac clots are normally rich in platelets—which are required for clot formation in areas under high stress due to blood flow. Causes of disturbed blood flow include stagnation of blood flow past the rezidivierende Thrombophlebitis of injury, or venous stasis which may rezidivierende Thrombophlebitis in heart failure[19] or after long periods of sedentary behaviour, such as sitting wie trophischen Geschwüren behandeln Beine zu a long airplane flight.

Also, atrial fibrillationcauses stagnant blood in the left rezidivierende Thrombophlebitis LAor left atrial appendage LAAand can lead to a thromboembolism.

Fibrinolysis is the physiological breakdown of blood clots by enzymes such as plasmin. For an occlusive thrombus defined as thrombosis within a small vessel that leads to complete occlusionwound healing will reorganise the occlusive thrombus into collagenous scar tissue, where the scar tissue will either permanently obstruct the vessel, or contract down with myofibroblastic activity to unblock the lumen.

For a mural thrombus defined as a thrombus in a large learn more here that restricts the blood flow but does not occlude completelyhistological reorganisation of the thrombus does not occur via the classic wound healing mechanism. Instead, the platelet-derived growth factor degranulated by the clotted platelets will attract a layer of smooth muscle cells to cover the clot, and this layer of mural smooth muscle will be vascularised by the blood inside the vessel lumen rather than by the vasa vasorum.

Rezidivierende Thrombophlebitis venous thrombus may or may not be ischaemic, since veins distribute deoxygenated blood that is less vital for cellular metabolism. Nevertheless, non-ischaemic venous thrombosis may still be problematic, due to the swelling caused by blockage to venous drainage. In deep vein thrombosis this manifests as pain, redness, and swelling; in retinal vein occlusion this may result in macular oedema and visual acuity impairment, which if severe enough can lead to blindness.

A thrombus may rezidivierende Thrombophlebitis detached and enter circulation as an embolusfinally lodging in and completely obstructing a blood vessel, which unless treated very quickly will lead to tissue necrosis an infarction in the area past the occlusion. Venous thrombosis can lead to pulmonary embolism when the migrated embolus becomes lodged in the lung. In people with a "shunt" a connection between the pulmonary and systemic circulationeither in the heart or in the lung, a rezidivierende Thrombophlebitis clot can also end up in the arteries cause arterial embolism.

Arterial embolism can lead to obstruction of blood flow through the blood vessel that is obstructed by it, and lack of oxygen and nutrients ischemia of the downstream tissue.

The tissue can become irreversibly damaged, a process known as necrosis. This can affect any organ; for instance, arterial embolism of the brain is one of the cause of stroke. The use of heparin following surgery is common if there are no issues with bleeding. Generally, a risk-benefit analysis is required, as all anticoagulants lead to an increased rezidivierende Thrombophlebitis of bleeding.

In patients admitted for surgery, graded compression stockings are widely used, and in severe illness, rezidivierende Thrombophlebitis immobility and in all orthopedic surgeryprofessional guidelines recommend low molecular weight heparin LMWH administration, mechanical calf compression or if all else is contraindicated and the patient has recently suffered deep vein thrombosis the insertion of a vena cava filter. The treatment for thrombosis depends on whether it is in a vein or an artery, the impact on the person, and the risk of complications from treatment.

Warfarin and vitamin K antagonists rezidivierende Thrombophlebitis anticoagulants that can be taken orally to reduce thromboembolic occurrence. Where a more rezidivierende Thrombophlebitis response is required, heparin can be given by injection concomitantly.

As a side effect of any anticoagulant, the risk of bleeding is increased, so the international normalized ratio of blood is monitored. Self-monitoring and self-management are safe options for competent rezidivierende Thrombophlebitis, though their practice varies.

This carries an increased risk of bleeding so is generally only used for specific situations such as severe stroke or a massive pulmonary embolism.

Arterial thrombosis may require surgery if it causes acute limb ischemia. Mechanical clot retrieval and catheter-guided thrombolysis are used in certain rezidivierende Thrombophlebitis. Arterial thrombosis is platelet-rich, and inhibition of platelet aggregation with antiplatelet drugs such as aspirin may reduce the risk of recurrence or progression.

From Wikipedia, the free encyclopedia. Thrombosis Cyanosis of the lower right extremity, resulting from acute arterial thrombosis of the right leg on the left side of the image Specialty Vascular surgeryinternal medicinepulmonology Symptoms Depend on location [ edit on Wikidata ]. Cerebral venous sinus thrombosis. New England Journal of Medicine. American Journal of Transplantation.

Robbins and Cotran Pathologic Basis of Disease. Expert Opinion on Therapeutic Targets. Cardiovascular disease vessels I70—I99rezidivierende Thrombophlebitis Carotid artery stenosis Renal artery stenosis.

Arteriovenous fistula Arteriovenous malformation Telangiectasia Hereditary hemorrhagic telangiectasia. Cherry hemangioma Halo nevus Spider angioma. Chronic rezidivierende Thrombophlebitis insufficiency Chronic cerebrospinal venous insufficiency Superior vena cava syndrome Inferior vena cava syndrome Rezidivierende Thrombophlebitis ulcer.

Rezidivierende Thrombophlebitis