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Utilization of Veno-Arterial Extracorporeal Membrane Oxygenation for Massive Pulmonary Embolism

Pasrija, Chetan ; Kronfli, Anthony ; George, Praveen ; Raithel, Maxwell ; Boulos, Francesca ; Herr, Daniel L. ; Gammie, James S. ; Pham, Si M. ; Griffith, Bartley P. ; Kon, Zachary N.

The Annals of thoracic surgery, 2018-02, Vol.105 (2), p.498-504 [Periódico revisado por pares]

Netherlands: Elsevier Inc

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  • Título:
    Utilization of Veno-Arterial Extracorporeal Membrane Oxygenation for Massive Pulmonary Embolism
  • Autor: Pasrija, Chetan ; Kronfli, Anthony ; George, Praveen ; Raithel, Maxwell ; Boulos, Francesca ; Herr, Daniel L. ; Gammie, James S. ; Pham, Si M. ; Griffith, Bartley P. ; Kon, Zachary N.
  • É parte de: The Annals of thoracic surgery, 2018-02, Vol.105 (2), p.498-504
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
  • Descrição: The management of massive pulmonary embolism remains challenging, with a considerable mortality rate. Although veno-arterial extracorporeal membrane oxygenation (VA-ECMO) for massive pulmonary embolism has been reported, its use as salvage therapy has been associated with poor outcomes. We reviewed our experience utilizing an aggressive, protocolized approach of VA-ECMO to triage, optimize, and treat these patients. All patients with a massive pulmonary embolism who were placed on VA-ECMO, as an initial intervention determined by protocol, were retrospectively reviewed. ECMO support was continued until organ optimization was achieved or neurologic status was determined. At that time, if the thrombus burden resolved, decannulation was performed. If substantial clot burden was still present with evidence of right ventricular (RV) strain, operative therapy was undertaken. Twenty patients were identified. Before cannulation, all patients had an RV-to-left ventricular ratio greater than 1.0 and severe RV dysfunction. The median duration of ECMO support was 5.1 days, with significant improvement in end-organ function. Ultimately, 40% received anticoagulation alone, 5% underwent catheter-directed therapy, and 55% underwent surgical pulmonary embolectomy. Care was withdrawn in 1 patient with a prolonged pre-cannulation cardiac arrest after confirmation of neurologic death. In-hospital and 90-day survival was 95%. At discharge, 18 of 19 patients had normal RV function, and 1 patient, who received catheter-directed therapy, had mild dysfunction. VA-ECMO appears to be an effective tool to optimize end-organ function as a bridge to recovery or intervention, with excellent outcomes. This approach may allow clinicians to better triage patients with massive pulmonary embolism to the appropriate therapy on the basis of recovery of RV function, residual thrombus burden, operative risk, and neurologic status.
  • Editor: Netherlands: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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