• Ming-Ju Hsieh, Chung-Jung Lin, Yen-Heng Lin, Ling-Chieh Kung, Jiun-Yu Yu, and Chia-Wei Kuo.
• Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan. Electronic address: erdrmjhsieh@gmail.com.
• J Formos Med Assoc. 2024 Sep 1; 123 (9): 100410091004-1009.

Background/PurposeThis study addresses the delicate balance between healthcare personnel burnout and medical accessibility in the context of endovascular thrombectomy (EVT) services in urban areas. We aimed to determine the minimum number of hospitals providing EVT on rotation each day without compromising patient access.MethodsEmploying an optimization model, we developed shift schedules based on patient coverage rates and volumes during the pre-pandemic (2016-2018) and pandemic (2019-2021) periods. Starting with a minimum of two hospitals on duty per day, we gradually increased to a maximum of eight. Patient coverage rates, defined as the proportion of patients meeting bypass criteria and transported to rotating hospitals capable of EVT, were the primary outcomes. Sensitivity analyses explored the impact of varying patient transport intervals and accumulating patients over multiple years.ResultsResults from 7024 patient records revealed patient coverage rates of 92.5% (standard deviation [SD] 2.8%) during the pre-pandemic and 91.4% (SD 2.8%) during the pandemic, with at least two rotating hospitals daily. No significant differences were observed between schedules based on the highest patient volume and coverage rate months. A patient coverage rate of 98.99% was achieved with four rotating hospitals per day during the pre-pandemic period, with limited improvement beyond this threshold. Changing patient transport intervals and accumulating patients over six years (p = 0.83) had no significant impact on coverage rates.ConclusionOur optimization model supports reducing the number of daily rotating hospitals by half while preserving a balance between patient accessibility and alleviating strain on medical teams.Copyright © 2024 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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