ASAIO journal : a peer-reviewed journal of the American Society for Artificial Internal Organs
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Review Multicenter Study
Multi-institutional Analysis of 100 Consecutive Patients with COVID-19 and Severe Pulmonary Compromise Treated with Extracorporeal Membrane Oxygenation: Outcomes and Trends Over Time.
The role of extracorporeal membrane oxygenation (ECMO) in the management of severely ill patients with coronavirus disease 2019 (COVID-19) continues to evolve. The purpose of this study is to review a multi-institutional clinical experience in 100 consecutive patients, at 20 hospitals, with confirmed COVID-19 supported with ECMO. This analysis includes our first 100 patients with complete data who had confirmed COVID-19 and were supported with ECMO. ⋯ Extracorporeal membrane oxygenation may facilitate salvage and survival of selected critically ill patients with COVID-19. Survivors tend to be younger. Substantial variation exists in the drug treatment of COVID-19, but ECMO offers a reasonable rescue strategy.
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There are contrasting data on concomitant Impella device in cardiogenic shock patients treated with venoarterial extracorporeal membrane oxygenation (VA ECMO) (ECPELLA). This study sought to compare early mortality in patients with cardiogenic shock treated with ECPELLA in comparison to VA ECMO alone. We reviewed the published literature from 2000 to 2018 for randomized, cohort, case-control, and case series studies evaluating adult patients requiring VA ECMO for cardiogenic shock. ⋯ The remaining three studies did not adjust for potential confounding and were at high risk for selection bias. In conclusion, ECPELLA is being increasingly used as a strategy in patients with cardiogenic shock. Additional large, high-quality studies are needed to evaluate clinical outcomes with ECPELLA.
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Venoarterial (VA) extracorporeal membrane oxygenation (ECMO) is a treatment strategy for pediatric patients with cardiopulmonary failure. Femoral cannulation is a commonly used technique for obtaining central access in children and adolescents despite high rates of vascular complications. Ischemic limb complications remain one of the most common problems facing survivors of femoral VA ECMO. ⋯ As such, judicious distal perfusion monitoring as well as augmentation of distal flow are important strategies during mechanical support. The use of distal perfusion catheters can be used to minimize the risk of limb ischemia. As femoral cannulation grows more popular in pediatric patients, strategies for arterial repair are essential to ensure extremity perfusion upon decannulation.
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Meta Analysis
Del Nido Cardioplegia for Myocardial Protection in Adult Cardiac Surgery: A Systematic Review and Meta-Analysis.
Cardioplegia is an important strategy for myocardial protection during cardiac surgery. This meta-analysis was to compare the effects of del Nido and conventional cardioplegia in adult patients. Systematic searches were performed to identify studies using PubMed, Embase, the Cochrane Library, and the International Clinical Trials Registry Platform. ⋯ Ventilation time and length of intensive care unit were decreased significantly with del Nido cardioplegia (MD: -1.05, 95% CI: -1.79 to -0.31, p = 0.006; MD: -0.65, 95% CI: -0.92 to -0.38, p < 0.00001). There were no differences in myocardial enzyme, postoperative inotropic support, atrial fibrillation, hospital, and mortality between the two groups. In adult cardiac surgery, myocardial protection used with the del Nido or conventional cardioplegia solution yield similar short-term clinical outcomes.
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The number of patients supported with left ventricular assist devices (LVADs) is rising rapidly, and noncardiac surgery (NCS) in these patients presents unique challenges. Given the controversy regarding the safety and timing of elective NCS, we performed a systematic review examining the perioperative morbidity and mortality of NCS in stable patients with LVADs. The published literature was searched using strategies created by a medical librarian. ⋯ Due to the small number of included studies with relative few patients and widely heterogeneous reporting of outcomes a formal quantitative meta-analysis was not performed. Noncardiac surgery in patients with LVADs appears to be safe and feasible in select patients. Future studies should use standard study design and reporting parameters to facilitate the systematic examination of safety and outcomes for elective NCS in LVAD patients.