• Richard H Epstein, Franklin Dexter, and Brenda G Fahy.
• Professor of Clinical Anesthesiology, Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami, Miller School of Medicine, Miami, FL, USA.
• J Clin Anesth. 2024 Nov 1; 98: 111596111596.

BackgroundWhen the vast majority (e.g., ≈90%) of a specialty's elective (scheduled) care is ambulatory (i.e., length of stay 0 or 1 night), the administrative, clinical, and economic policy implications are profound. We examined the progressive shift of elective anesthetics in Florida from inpatient to ambulatory, from the first quarter of 2010 through the fourth quarter of 2022. We were particularly interested in the most recent data following the lifting of COVID-19 restrictions on elective surgery in the state.MethodsThis retrospective cohort study included major therapeutic and major diagnostic procedures with >0 American Society of Anesthesiologists base units in the state of Florida inpatient and ambulatory surgery databases. The last 8 quarters of these operating room anesthetic data corresponded to the end of restrictions on elective surgery in Florida due to the COVID-19 pandemic. Our goal was to determine whether the overall mean percentage of cases with 0- or 1-day lengths of stay has reached 90% since the lifting of pandemic restrictions. Numbers of cases over periods of at least four weeks tend to follow normal distributions. Therefore, we analyzed the N = 8 quarters of cases from 2021 to 2022 using Student's t-test. The study was performed when there were N = 8 quarters available from the Florida healthcare databases.ResultsThere were overall 22,584,752 surgical cases studied. The percentages of elective anesthetics with length of stay ≤1-day increased progressively from 2010 through 2020. Among the eight successive quarters since the end of pandemic-related elective surgery restrictions, the percentage of elective cases with length of stay 0- or 1 day was stable, averaging 90% (95% two-sided confidence interval 89.4% to 90.3%).ConclusionSince the COVID-19 pandemic, the mean quarterly percentage of elective surgery cases with anesthesia in Florida that were ambulatory has been reliably ≈90%. Implications include value in expecting overnight post-anesthesia care unit stay in ambulatory surgery centers and scheduling and sequencing cases based on post-anesthesia care unit capacity. Furthermore, because the vast majority (i.e., ≈90%) of cases would be excluded (i.e., not involve hospital admission for at least 2 midnights), there is a minimal role that risk-adjusted hospital length of stay and mortality can have in evaluating anesthesia department overall quality and economic effectiveness.Copyright © 2024 Elsevier Inc. All rights reserved.

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