作者: Paul D. Stein , Jerald W. Henry , Bruce Relyea
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摘要: Purpose The purpose of this investigation was to evaluate the clinical characteristics acute pulmonary embolism (PE) among patients with PE who did not receive treatment assess how natural course untreated relates its severity. Methods Data are from Prospective Investigation Pulmonary Embolism Diagnosis (PIOPED). Among diagnosed either by angiography or at autopsy, 376 received and 24 escaped in hospital were prescribed anticoagulant therapy time discharge. these patients, however, four during first 3 months follow-up. We report 3-month remaining 20 patients. Results 1 (5.0%) died effects original possibly some contribution recurrent PE. Nonfatal occurred (5.0%). All (100%), had less than three mismatched segmental perfusion defects compared 227 (60%) treated (p Conclusion Mild carries a lower immediate mortality overt described prior decades.