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Curr Opin Anaesthesiol · Feb 2020
ReviewPatients with left ventricle assist devices presenting for thoracic surgery and lung resection: tips, tricks and evidence.
- Tim Hayes, Mike Charlesworth, and Miguel Garcia.
- Department of Cardiothoracic Critical Care, ECMO and Anaesthesia, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK.
- Curr Opin Anaesthesiol. 2020 Feb 1; 33 (1): 17-26.
Purpose Of ReviewOver a thousand left ventricular-assist device (LVAD) implants were performed for heart failure destination therapy in 2017. With increasing survival, we are seeing increasing numbers of patients present for noncardiac surgery, including resections for cancer. This article will review the relevant literature and guidelines for patients with LVADs undergoing thoracic surgery, including lung resection.Recent FindingsThe International Society for Heart and Lung Transplant Mechanically Assisted Circulatory Support Registry has received data on more than 16 000 patients with LVADs. Four-year survival is more than 60% for centrifugal devices. There are increasing case reports, summaries and recommendations for patients with LVADs undergoing noncardiac surgery. However, data on thoracic surgery is restricted to case reports.SummarySuccessful thoracic surgery requires understanding of the LVAD physiology. Modern devices are preload dependent and afterload sensitive. The effects of one-lung ventilation, including hypoxia and hypercapnia, may increase pulmonary vascular resistance and impair the right ventricle. Successful surgery necessitates a multidisciplinary approach, including thorough preoperative assessment; optimization and planning of intraoperative management strategies; and approaches to anticoagulation, right ventricular failure and LVAD flow optimization. This article discusses recent evidence on these topics.
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