• Catherine G Williamson, Shayan Ebrahimian, Sara Sakowitz, Zachary Tran, Samuel T Kim, and Peyman Benharash.
• Cardiovascular Outcomes Research Laboratories (CORELAB), Division of Cardiac Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California.
• J. Cardiothorac. Vasc. Anesth. 2022 Oct 1; 36 (10): 3766-3772.

ObjectivesExpedited discharge after coronary artery bypass grafting (CABG) has been postulated as a possible solution for reducing hospitalization costs. This study aimed to evaluate the impact of expedited postoperative discharge on readmissions and costs in patients undergoing isolated CABG.DesignAdults (≥18 years) who underwent isolated CABG were identified using the 2016-to-2019 Nationwide Readmission Database. Patients were classified as expedited or routine, with expedited patients being discharged on or before postoperative day 4. Those who experienced perioperative complications were excluded.SettingThe Nationwide Readmissions Database.ParticipantsPatients ≥18 years old who underwent isolated CABG.Measurements And Main ResultsOf an estimated 187,591 patients meeting study criteria, 37.2% (n = 69,861) experienced expedited discharge. Expedited patients experienced lower index hospitalization costs ($28,543 v $34,114, p < 0.001), and were less likely to experience 30-day nonelective readmission (4.6% v 7.3%, p < 0.001) and 90-day nonelective readmission (5.6% v 8.7%, p < 0.001). After adjustment, expedited discharge remained independently associated with reduced odds of both 30-day (adjusted odds ratio [AOR]: 0.78, 95% CI: 0.71-0.85) and 90-day (AOR: 0.80, 95% CI: 0.74-0.87) nonelective readmission. In addition, expedited discharge was associated with an incremental decrease in index hospitalization costs (β: -5,661, 95% CI: -5,894 to -5,429).ConclusionsExpedited discharge immensely decreases costs of care for patients undergoing isolated CABG, as well as readmission risks. Expedited discharge may be considered a strategy to both improve postoperative patient care and reduce hospitalization costs within the United States healthcare system.Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.

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