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Lung infarction or pulmonary infarction occurs when an artery to the lung becomes blocked and part of the lung dies. [1] It is most often caused by a pulmonary embolism.. Because of the dual blood supply to the lungs from both the bronchial circulation and the pulmonary circulation, this tissue is more resistant to infarction.
In BAE, both bronchial mucosal necrosis and pulmonary infarction seldom occur. [1] It is presumed that this is because the pulmonary circulation is dually controlled by the bronchial artery and the pulmonary artery; and even if the blood flow in the bronchial artery is lost, blood flow from the pulmonary artery is slightly maintained. [1]
The management of ATE depends on the location and severity of the ischemia and the underlying etiology. The main goals of ATE management are to restore blood flow, prevent further thrombosis, and treat the underlying cause. The treatment options for ATE include antithrombotic therapy, revascularization procedures, and risk factor modification.
The pulmonary embolism rule-out criteria (PERC) helps assess people in whom pulmonary embolism is suspected, but unlikely. Unlike the Wells score and Geneva score , which are clinical prediction rules intended to risk stratify people with suspected PE, the PERC rule is designed to rule out the risk of PE in people when the physician has already ...
Surgical embolectomy for massive pulmonary embolism (PE) has become a rare procedure and is often viewed as a last resort. Thrombolytic therapy has become the treatment of choice. [1] Surgical or catheter embolectomy is a procedure performed in patients with pulmonary embolism, which is a blockage of an artery in the lung caused by a blood clot.
Catheter-directed therapy involves giving tPA locally in the pulmonary artery. It can also fragment and remove the clot itself (embolectomy). This local therapy has a lower risk of bleeding. Surgical embolectomy is a more invasive treatment, associated with 10-20% surgical mortality risk. [18]
Myocardial infarction (MI), or heart attack, is caused by ischemia (restriction in the blood supply), which is often due to the obstruction of a coronary artery by a thrombus. This restriction gives an insufficient supply of oxygen to the heart muscle which then results in tissue death (infarction). A lesion is then formed which is the infarct ...
Infarction occurs as a result of prolonged ischemia, which is the insufficient supply of oxygen and nutrition to an area of tissue due to a disruption in blood supply.The blood vessel supplying the affected area of tissue may be blocked due to an obstruction in the vessel (e.g., an arterial embolus, thrombus, or atherosclerotic plaque), compressed by something outside of the vessel causing it ...
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