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Left Atrial Appendage Occlusion for Prevention of Thromboembolic Events
More than 600  000 patients in the United States undergo cardiac operations each year, including coronary artery bypass graft operations, valve repair or replacement procedures, or other more complex operations. Patients with atrial fibrillation (AF) who undergo these procedures are at risk for postoperative th romboembolic complications, with the left atrial appendage being a common site of thrombus formation. Occlusion of the left atrial appendage may reduce the risk of thromboembolic stroke and can be performed intraoperatively at the time of cardiac operations. The most common surgical approaches to ac hieve left atr...
Source: JAMA - January 23, 2018 Category: General Medicine Source Type: research

Intra-arterial Thrombolysis to Target Occlusions in Distal Arteries and the Microcirculation
Acute ischemic stroke remains a leading cause of disability in the United States and worldwide despite substantially improved treatments for the most severe strokes over the last 5 years. Treatment of severe ischemic strokes, specifically those due to occlusion of large intracranial arteries, has been transformed by endovascular removal of the thrombus using stent retrievers or aspiration catheters. Treatment with mechanical thrombectomy is associated with a 20% to 27% absolute increase in the rate of functional independence compared with patients not treated with thrombectomy. Despite highly efficacious treatment, approxi...
Source: JAMA - March 1, 2022 Category: General Medicine Source Type: research