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  • Title: Outcomes after surgical pulmonary embolectomy for acute submassive and massive pulmonary embolism: A single-center experience.
    Author: Pasrija C, Kronfli A, Rouse M, Raithel M, Bittle GJ, Pousatis S, Ghoreishi M, Gammie JS, Griffith BP, Sanchez PG, Kon ZN.
    Journal: J Thorac Cardiovasc Surg; 2018 Mar; 155(3):1095-1106.e2. PubMed ID: 29452460.
    Abstract:
    OBJECTIVES: Ideal treatment strategies for submassive and massive pulmonary embolism remain unclear. Recent reports of surgical pulmonary embolectomy have demonstrated improved outcomes, but surgical technique and postoperative outcomes continue to be refined. The aim of this study is to describe in-hospital survival and right ventricular function after surgical pulmonary embolectomy for submassive and massive pulmonary embolism with excessive predicted mortality (≥5%). METHODS: All patients undergoing surgical pulmonary embolectomy (2011-2015) were retrospectively reviewed. Patients with pulmonary embolism were stratified as submassive, massive without arrest, and massive with arrest. Submassive was defined as normotensive with right ventricular dysfunction. Massive was defined as prolonged hypotension due to the pulmonary embolism. Preoperative demographics, intraoperative variables, and postoperative outcomes were compared. RESULTS: A total of 55 patients were identified: 28 as submassive, 18 as massive without arrest, and 9 as massive with arrest. All patients had a right ventricle/left ventricle ratio greater than 1.0. Right ventricular dysfunction decreased from moderate preoperatively to none before discharge (P < .001). In-hospital and 1-year survival were 93% and 91%, respectively, with 100% survival in the submassive group. No patients developed renal failure requiring hemodialysis at discharge or had a postoperative stroke. CONCLUSIONS: In this single institution experience, surgical pulmonary embolectomy is a safe and effective therapy to treat patients with a submassive or massive pulmonary embolism. Although survival in this study is higher than previously reported for patients treated with medical therapy alone, a prospective trial comparing surgical therapy with medical therapy is necessary to further elucidate the role of surgical pulmonary embolectomy in the treatment of pulmonary embolism.
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