2020
DOI: 10.1371/journal.pone.0237628
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A simulation modelling toolkit for organising outpatient dialysis services during the COVID-19 pandemic

Abstract: This study presents two simulation modelling tools to support the organisation of networks of dialysis services during the COVID-19 pandemic. These tools were developed to support renal services in the South of England (the Wessex region caring for 650 dialysis patients), but are applicable elsewhere. A discrete-event simulation was used to model a worst case spread of COVID-19, to stress-test plans for dialysis provision throughout the COVID-19 outbreak. We investigated the ability of the system to manage the… Show more

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Cited by 22 publications
(15 citation statements)
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“…Our study is also among the first to use EMR-timestamped reports to study the clinical transformation, efficiency, and patient flow changes to outpatient systems during the COVID-era. While other fields of medicine such as gastroenterology, cardiology and nephrology utilized discrete-event simulation to study changes in operations during the COVID-19 period [ 12 16 ], the present study is the first to do so in ophthalmology. Using EMR-derived timestamps from actual patient encounters, we present a discrete-event simulation model capable of extrapolating from clinic-level data the impact of COVID-era changes on patient flow with the aim of planning for future patient volume increases.…”
Section: Discussionmentioning
confidence: 99%
“…Our study is also among the first to use EMR-timestamped reports to study the clinical transformation, efficiency, and patient flow changes to outpatient systems during the COVID-era. While other fields of medicine such as gastroenterology, cardiology and nephrology utilized discrete-event simulation to study changes in operations during the COVID-19 period [ 12 16 ], the present study is the first to do so in ophthalmology. Using EMR-derived timestamps from actual patient encounters, we present a discrete-event simulation model capable of extrapolating from clinic-level data the impact of COVID-era changes on patient flow with the aim of planning for future patient volume increases.…”
Section: Discussionmentioning
confidence: 99%
“…There are 32 (8.5%) simulation papers using DES. The simulation models were mainly used to assess the impact of COVID‐19 on an organization's workflow and emphasized its optimization (Allen, Bhanji, et al, 2020 ; Das, 2020 ; de Brito Jr et al, 2021 ; Kim et al, 2021 ; VanDeusen et al, 2021 ; Zeinalnezhad et al, 2020 ). Meanwhile, DES was also applied to process analysis and optimization of service facilities that had effects on COVID‐19 spread, including testing facility (Çaglayan et al, 2022 ; El Hage et al, 2021 ; Gowda et al, 2021 ; Saidani et al, 2021 ; Saidani & Kim, 2021 ), vaccination centres (Pilati et al, 2021 ) and COVID‐19‐related hospitals (Frichi et al, 2021 ; Melman et al, 2021 ).…”
Section: Resultsmentioning
confidence: 99%
“…Twenty papers explored the other sectors at the national and regional levels, including industrial network (Song et al, 2020 ), tourism (Gu et al, 2021 ; Luo et al, 2021 ), national security (Prikazchikov et al, 2021 ), food–energy–water (Calder et al, 2021 ), economy (Chen et al, 2021 ; Fosco & Zurita, 2021 ; Inoue et al, 2021 ; Inoue & Todo, 2020 ; Sharma et al, 2021 ), financial (Spelta et al, 2021 ), social activity (de Brito Jr et al, 2021 ; Schmidt & Albert, 2021 ; Weibrecht et al, 2021 ), healthcare (Schlüter et al, 2021 ), employment (Marreros et al, 2021 ) and transport and land‐use (Habib & Anik, 2021 ). As the pandemic led to great collateral damage or process disruption to a variety of organizations, including banks (Shahabi et al, 2021 ), airlines (Delcea et al, 2020 ; Milne et al, 2020 , 2021 ), ambulatory endoscopy centres (Das, 2020 ), heart clinics (Zeinalnezhad et al, 2020 ), laboratories (Lim et al, 2020 ) and outpatient dialysis services (Allen, Bhanji, et al, 2020 ), necessary countermeasures were adopted to lower the risk of transmission and to improve effectiveness of these measures. Simulation models can help organizations across diverse sectors develop and evaluate scenarios, ask counterfactual ‘what‐if’ questions and identify and implement cost‐effective organization‐level infection prevention and control mechanisms.…”
Section: Resultsmentioning
confidence: 99%
“…De-sim is an object orientated (OO) framework for developing complex interacting DES models. The de-sim authors argue that their OO framework is an advancement over Simpy's process-based worldview; although we note that Simpy itself is highly flexible and can easily be used within an OO framework; for example see (Allen, Bhanji, Willemsen, Dudfield, Logan, and Monks 2020).…”
Section: Python Discrete-event Simulation Toolsmentioning
confidence: 99%
“…Simpy has a process based simulation worldview and has continued to be maintained (last update Apr 2020). It has been used in several Operations Research relevant publications (Bovim, Gullhav, Andersson, Dale, and Karlsen 2021, Allen, Bhanji, Willemsen, Dudfield, Logan, and Monks 2020, Monks, Harper, Anagnostou, and Taylor 2022).…”
Section: Python Discrete-event Simulation Toolsmentioning
confidence: 99%