Utilization of ECMO in vascular surgery: A presentation of two cases.

Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is a form of temporary mechanical circulatory support commonly used during cardiothoracic interventions. Malperfusion during complex vascular procedures remains a significant risk that may potentially lead to multiple complications. Here, we report two cases highlighting the efficacy of VA-ECMO in both planned and emergent vascular interventions. In our first case, VA-ECMO was used to support an 82-year-old male during a high-risk thoracoabdominal aortic aneurysm repair. Our second case details an emergent pulmonary embolectomy in which VA-ECMO was used as a bridge to cardiopulmonary bypass. In both cases, the procedures were well-tolerated, and the patients were discharged 17 days postoperatively. VA-ECMO has been increasingly used as a form of post-operative circulatory support following cardiothoracic and vascular interventions. However, only few instances of perioperative VA-ECMO use have been reported in the field of vascular surgery. The presented cases highlight that the perioperative use of VA-ECMO may be a viable modality for required perfusion during complex planned or emergent vascular procedures.

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