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J Card Surg ; 37(12): 5120-5129, 2022 Dec.
Article in English | MEDLINE | ID: mdl-36413687

ABSTRACT

BACKGROUND: Postcardiotomy cardiogenic shock (PCS) is associated with poor prognosis. Medical therapy with afterload reduction, contractility optimization and systemic vasopressors often fails, and mechanical support is required. The aim of this study was to propose a strategy of prophylactic left ventricular assist device (LVAD) for high-risk patients undergoing cardiac surgery. METHODS: Between 2013 and 2019, 12 consecutive patients at high risk for PCS underwent cardiac surgery (valve surgery and/or coronary artery bypass grafting) with preplanned, prophylactic implantation of LVAD (CentriMag or Rotaflow). We reviewed patient characteristics and outcomes. RESULTS: Eight patients underwent a valve corrective surgery and seven patients underwent coronary artery bypass grafting. Eleven of 12 patients had successful LVAD insertion, support and wean, and survival to hospital discharge. Left ventricular function was stable perioperatively and improved at follow-up. Patients required low doses of inotropic support and no patients required extracorporeal membranous oxygenation. Major complications included, prolonged mechanical ventilation (n = 7), intra-aortic balloon pump (n = 1), temporary dialysis (n = 2), stroke (n = 1), bleeding requiring reoperation (n = 3), infection requiring mediastinal washout (n = 1). At a mean follow-up of, 660 ± 460.6 days all patients had either NYHA Class 1 (n = 6) or 2 (n = 4). There were two late mortalities (after 1 year). CONCLUSIONS: Prophylactic LVAD is a viable technique in select cardiac surgery patients who are high-risk for postcardiotomy shock. Further prospective study is warranted.


Subject(s)
Cardiac Surgical Procedures , Heart-Assist Devices , Humans , Heart-Assist Devices/adverse effects , Prospective Studies , Renal Dialysis , Cardiac Surgical Procedures/adverse effects , Shock, Cardiogenic/etiology , Retrospective Studies , Treatment Outcome
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