Severe mitral insufficiency is a feared complication that develops in 10-12% of patients with myocardial infarction and ST elevation. It results from the rupture of the papillary muscle or is secondary to an acute remodelling of the left ventricle in its entirety or of the infarcted region. The mortality of patients with acute clinical onset reaches 50%. The ideal treatment of acute mitral insufficiency is controversial and still a source of debate. Most of these patients are at high surgical risk or inoperable; therefore, they are treated conservatively and have a poor prognosis. In these candidates, percutaneous treatment of insufficiency with percutaneous edge to edge can be considered an alternative.
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