The American journal of cardiology
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There is a paucity of outcome data on patients with idiopathic pericardial effusion requiring intervention. All patients who had clinically significant pericardial effusion confirmed by echocardiography and requiring interventions between 1979 and 2000 were identified through the Echo-guided Pericardiocentesis Registry and Echocardiography and Surgical Databases. Clinical data and outcomes were obtained by review of medical records and surveys. ⋯ For most patients with clinically significant idiopathic pericardial effusion requiring intervention, echo-guided pericardiocentesis was the definitive treatment. Pericardiectomy was necessary for patients in whom effusion occurred in the context of effusive constrictive disease, chronic relapsing pericarditis, or recurrent effusion despite pericardiocentesis. The prognosis for the cohort was favorable, and survival did not appear to differ from that of the general population (p = 0.372).