Abstract
Early extubation is performed either in the operating room or in the cardiovascular intensive care unit during the first 24 postoperative hours; however, altitude might possibly affect the process. The aim of this study is the evaluation of early extubation feasibility of patients undergoing congenital heart surgery in a center located at 2,691 m (8,828 ft.) above sea level. Patients undergoing congenital heart surgery, from August 2012 through December 2018, were considered for early extubation. The following variables were recorded: weight, serum lactate, presence or not of Down syndrome, optimal oxygenation and acid-base status according to individual physiological condition (biventricular or univentricular), age, bypass time, and ventricular function. Standardized anesthetic management with dexmedetomidine-fentanyl-rocuronium and sevoflurane was used. If extubation in the operating room was considered, 0.08 mL/kg of 0.5% ropivacaine was injected into the parasternal intercostal spaces bilaterally before closing the sternum. Four hundred seventy-eight patients were operated and 81% were early extubated. Mean pre- and postoperative SaO2 was 92% and 98%; postoperative SaO2 for Glenn and Fontan procedures patients was 82% and 91%, respectively. Seventy-three percent of patients who underwent Glenn procedure, 89% of those who underwent Fontan procedure (all nonfenestrated), and 85% with Down syndrome were extubated in the operating room. Reintubation rate in early extubated patients was 3.6%. Early extubation is feasible, with low reintubation rates, at 2,691 m (8,828 ft.) above sea level, even in patients with single ventricle physiology.
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More From: World journal for pediatric & congenital heart surgery
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