Expert Consensus Paper: Lateral Thoracotomy for Centrifugal Ventricular Assist Device Implant
2020
Abstract Background The increasing prevalence of heart failure has led to the expanded use of left ventricle assist devices (VADs) for end-stage heart failure patients worldwide. Technological improvements witnessed the development of miniaturized VADs and their implantation through less traumatic "non-full sternotomy approaches" using a lateral thoracotomy (LT). Although adoption of the LT approach is steadily growing, there remains a lack of consensus regarding patient selection, details of the surgical technique, and perioperative management. Furthermore, the current literature does not offer prospective randomized studies or evidence-based guidelines for LT-VAD implantation. Methods A worldwide group of LT-VAD experts was convened to openly discuss these key topics. After a PubMed search and review with all authors, a consensus was reached and an expert consensus paper on LT-VAD implantation was developed. Results This document aims to guide clinicians in the selection of patients suitable for LT approaches and preoperative optimization. Details of operative techniques are described, with an overview of hemisternotomy and bilateral thoracotomy approaches. A review of the best surgical practices for placement of the pump, inflow cannula and outflow graft provides advice on the best surgical strategies to avoid device malpositioning while optimizing VAD function. Experts´ opinions on cardiopulmonary bypass, postoperative management, and approaches for pump exchange and explant are presented. This paper also emphasizes the critical need for multidisciplinary teams and specified training. Conclusions This expert consensus paper provides a compact guide to LT for VAD implantation, from patient selection through intraoperative tips and postoperative management.
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