Surgical Case-Mix and Discharge Decisions: Does Within-Hospital Coordination Matter?

Hessam Bavafa (), Lerzan Örmeci (), Sergei Savin () and Vanitha Virudachalam ()
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Hessam Bavafa: Wisconsin School of Business, University of Wisconsin-Madison, Madison, Wisconsin 53706; School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin 53726
Lerzan Örmeci: Department of Industrial Engineering, Koç University, 34450 Sarıyer/İstanbul, Turkey
Sergei Savin: The Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania 19104
Vanitha Virudachalam: Gies College of Business, University of Illinois at Urbana-Champaign, Champaign, Illinois 61820

Operations Research, 2022, vol. 70, issue 2, 990-1007

Abstract: We study the problem faced by a profit-maximizing, resource-constrained hospital that controls patient inflows by designing a case-mix of its elective procedures and patient outflows via patient discharges. At the center of our analysis is the model that evaluates hospital profit for any combination of elective portfolio and patient discharge policies. Our model analyzes the impact of patient flow management decisions on the utilization of two main classes of hospital resources: “front end” (e.g., operating rooms) and “backroom” (e.g., recovery beds). We introduce a new approach for modeling the patient recovery process and use it to characterize the relationship between patient length of stay and probability of readmission. Using this modeling approach, we develop a two-moment approximation for the utilization of front-end and backroom resources. We focus on assessing the benefits associated with the hospital employing a coordinated decision-making process in which both portfolio and discharge decisions are made in tandem. Specifically, we compare the hospital’s profits in the coordinated setting to those under two decentralized approaches: a front-end approach, under which both decisions are made based exclusively on the front-end costs, and a “siloed” approach, in which discharge decisions are made based on backroom costs and the case-mix is determined as the optimal match for the discharge policy. We show that hospitals operating under the front-end policy can significantly benefit from coordination when backroom costs are sufficiently high even if they do not exceed surgical costs. On the other hand, for hospitals operating under the siloed policy, coordination brings significant benefits only when surgical costs are high and significantly dominate the cost structure.

Keywords: Policy Modeling and Public Sector OR; healthcare; hospital capacity management; stochastic models; revenue management; inpatient flow management (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:inm:oropre:v:70:y:2022:i:2:p:990-1007

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