• Juan Maria Romeu-Prieto, Marcelino Sánchez Casado, Maria Luisa Rodríguez Blanco, Juan José Ciampi-Dopazo, Maria José Sánchez-Carretero, Jose Javier García-López, and Carlos Lanciego-Pérez.
• Servicio de Medicina Intensiva, Hospital Virgen de la Salud, Toledo, España.
• Med Clin (Barc). 2022 May 13; 158 (9): 401-405.

Introduction And PurposeThe treatment of acute pulmonary embolism (PE) with an intermediate-high risk of mortality at 30 days is still not well defined, recommending the latest clinical guidelines of the European Society of Cardiology 2019 exclusively anticoagulant treatment, reducing the indication for mechanical thrombectomy to high-risk patients or intermediate-high risk patients with poor hemodynamic evolution. Our purpose is to determine the safety and efficacy of aspiration thrombectomy in intermediate-high risk patients with PE and to analyze possible differences in these results between hemodynamically unstable patients (massive PE) and hemodynamically stable patients (submassive PE).MethodsWe analyzed all patients who underwent aspiration thrombectomy for PE at our tertiary university hospital during a 34-month period. We compared echocardiographic parameters (right ventricular diameter, tricuspid plane annular plane systolic excursion (TAPSE), S' wave, and pulmonary hypertension), respiratory parameters (PaO2/FiO2 ratio), and clinical parameters recorded before and 24h after the procedure. We also analyzed bleeding complications and mortality.ResultsIn the 42 patients included (16 with massive PE and 26 with submassive PE), aspiration thrombectomy resulted in significant improvements in right ventricular diameter, TAPSE, S' wave, andPaO2/FiO2 ratio. Of the 8 patients administered fibrinolysis, 4 developed bleeding complications. Only one direct complication of the procedure was observed (pulmonary artery rupture). Eight patients died in the acute phase.ConclusionsAspiration thrombectomy for PE is safe and effective, significantly improving respiratory and hemodynamic parameters in the first 24h after the procedure with a low rate of complications compared to fibrinolysis.Copyright © 2021 Elsevier España, S.L.U. All rights reserved.

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