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  • Title: Therapy for acute high-risk pulmonary embolism: thrombolytic therapy and embolectomy.
    Author: Meneveau N.
    Journal: Curr Opin Cardiol; 2010 Nov; 25(6):560-7. PubMed ID: 20852415.
    Abstract:
    PURPOSE OF REVIEW: Acute pulmonary embolism remains associated with high morbidity and mortality rates despite currently available therapeutic options. This review outlines the most recent changes in this field and summarizes the main indications for thrombolytic therapy and surgical or catheter-based embolectomy in patients with high-risk pulmonary embolism. RECENT FINDINGS: There have been no major advances in therapy for high-risk pulmonary embolism over the past few years. The main change concerns risk stratification, which now classifies patients as high risk versus intermediate or low risk, replacing the former terminology of acute massive, submassive or nonmassive pulmonary embolism. Risk stratification is now oriented toward evaluation of the risk of early pulmonary embolism-related death. Thrombolysis is the mainstay of therapy in high-risk pulmonary embolism. Surgical embolectomy has become more frequent, due to the reduction in mortality risk associated with this technique. However, it remains limited to patients unsuitable for thrombolysis. Catheter-based embolectomy is reserved for situations in which neither thrombolysis nor surgical embolectomy is possible. SUMMARY: Thrombolytic treatment should be first-line therapy in patients with high-risk pulmonary embolism presenting with cardiogenic shock and/or persistent arterial hypotension, with very few absolute contraindications. Both surgical and catheter pulmonary embolectomy are valuable therapeutic options in patients in whom thrombolysis is absolutely contraindicated or has failed.
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