Timing it right: Balancing inpatient congestion vs. readmission risk at discharge

P Shi, JE Helm, J Deglise-Hawkinson… - Operations …, 2021 - pubsonline.informs.org
When to discharge a patient plays an important role in hospital patient flow management
and the quality of care and patient outcomes. In this work, we develop and implement a data …

Physician scheduling for emergency departments under time-varying demand and patient return

Z Wang, R Liu, Z Sun - IEEE Transactions on Automation …, 2022 - ieeexplore.ieee.org
Emergency departments (EDs) are facing increasing overcrowding and long patient waiting
time, which is mainly caused by the time-varying demand of new and returning patients. In …

Dynamic Control of Service Systems with Returns: Application to Design of Postdischarge Hospital Readmission Prevention Programs

TCY Chan, SY Huang, V Sarhangian - Operations Research, 2024 - pubsonline.informs.org
We study a control problem for queueing systems in which customers may return for
additional episodes of service after their initial service completion. At each service …

Examining the dynamics of reactive capacity allocation through a chaos lens

X Yuan, HB Hwarng - European Journal of Operational Research, 2023 - Elsevier
Reactive capacity allocation (RCA) may be a good way to raise capacity utilization and
customer satisfaction. However, there are unintended consequences that are often …

Incentive schemes for readmissions reduction in coordinating reverse referral healthcare services

C Zhou, Y Lan, R Zhao, G Zhang - Computers & Industrial Engineering, 2023 - Elsevier
The success of reverse referral service for integrated care, whereby a city hospital transfers
patients finishing operations to a community one for follow-up treatment, generally depends …

Determination of the risk-free rate of return on an investment efficiency based on the fractal markets hypothesis

A Kozlovsky, D Bilenko, S Kozlovskyi… - Forum Scientiae …, 2020 - ojs.wsb.edu.pl
In determining the economic efficiency of an investment project, the rationale and choice of
the discount rate is the most difficult step. The methods of investment assessment are built …

[PDF][PDF] Emergency department modeling and staffing: Time-varying physician productivity

H Ouyang, R Liu, Z Sun - Available at SSRN 3963226, 2021 - papers.ssrn.com
Motivated by an intriguing observation of a time-varying pattern in physician productivity
(measured by the number of new patients seen per hour, or PPH), we study a continuous …

Asymptotic Diffusion Method for Retrial Queues with State-Dependent Service Rate

A Nazarov, E Fedorova, O Lizyura, R Salimzyanov - Mathematics, 2023 - mdpi.com
In this paper, we consider a retrial queue with a state-dependent service rate as a
mathematical model of a node of FANET communications. We suppose that the arrival …

Dynamic Service Allocation with Returns: The Case of Admission and Discharge Control with Readmission in Hospital

H Abouee Mehrizi, YT Chuang, MJ Kim… - Available at SSRN …, 2024 - papers.ssrn.com
We investigate the dynamic allocation of limited service capacity to customers with the
possibility of return due to early service termination. This issue is inspired by patient flow …

Post-Processing Improvements in Multi-Objective Optimization of General Single-Server Finite Queueing Networks

G Souza, A Duarte, G Moreira… - IEEE Latin America …, 2023 - ieeexplore.ieee.org
An alternative mathematical programming formulation is considered for a mixed-integer
optimization problem in queueing networks. The sum of the blocking probabilities of a …