2016 INFORMS Annual Meeting Program

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INFORMS Nashville – 2016
341
3 - The Hospital Readmission Reduction Program: Coordinating
Service Rate And Readmission Reduction Efforts
Kenan Arifoglu, University College London,
Hang Ren, Tolga Tezcan
We study the performance of Hospital Readmissions Reduction Program (HRRP)
in inducing hospitals to choose the socially-optimal service rate and readmission
reduction efforts. Readmissions pose two incentive misalignments between the
social planner and each hospital. The HRRP in use cannot fix both misalignments
simultaneously and thus cannot coordinate in general. We propose a coordinating
contract, which highlights the function of the reimbursement rate in reducing
readmissions.
TD23
108-MCC
Operations Management Approaches Applied in
Healthcare Settings: Achieving Patient Health and
Operational Effectiveness.
Sponsored: Health Applications
Sponsored Session
Chair: Yann Ferrand, Clemson University, 131-A Sirrine Hall, Celmson,
SC, 29634, United States,
1 - Incentive Scheme For Diabetes Patients To Take A1c
Test Quarterly
Muer Yang, University of St. Thomas, Minneapolis, MN, United
States, Sameer Kumar, Paul Bekx
Type II diabetes patient is recommended to take A1c measurement quarterly.
However, many patients do not. Comparing their empirical behavior and the
optimal behavior derived from a mathematical model, we seek to recommend
practical incentives that encourage patients to take A1c tests close to the optimal
rational behavior.
2 - Operating Room Management When Considering Microbial Loads
Brandon Lee, Clemson University, Clemson, SC, United States,
, Lawrence Fredendall, Kevin M Taaffe,
Anjali Joseph
We examine the OR activities and their effect on the microbial bacteria
environment using air filters, culture dishes and video recordings. The goal is to
identify how to reduce the microbial load in the OR and to identify the effect that
traffic flows and door openings have on the microbial load. This research will
discuss findings from a specific case study of orthopedic and pediatric OR’s at an
academic health center in South Carolina.
3 - Reducing Patient Wait In The Emergency Department With New
Patient Flow Models
Yann Ferrand, Clemson University, ,
Todd F. Glass, Duane Steward
Before opening a newly constructed emergency department, a discrete event
simulation model was employed to validate novel patient flow concepts
envisioned. This approach was uniquely applied to enable a specific operations
strategy with a naive facility and staff, contributing to significantly lower average
length of stay than comparable facilities.
4 - Implementing Lean Operations In Service
Yunsik Choi, PhD Student, Clemson University, 100 Sirrine Hall,
Clemson, SC, 29634-1305, United States, ,
Lawrence Fredendall, Aleda Roth
Service industries have been applying lean principles to achieve continuous
improvement. However, the industries have not fully used lean principles like top
manufacturers have done. The study provides service providers with insight about
how lean operations change employees’ behaviors to improve small steps every
day.
TD24
109-MCC
Modeling Systems for Public Health
Sponsored: Health Applications
Sponsored Session
Chair: Hyojung Kang, University of Virginia, 102A Engineer’s Way,
Charlottesville, VA, 22904,
1 - Optimizing Screening For Secondary Renal Cell Carcinoma
Jennifer Mason Lobo, Assistant Professor, University of Virginia,
Charlottesville, VA, United States, ,
Tracey Krupski
Renal cell carcinoma is the most common form of kidney cancer. After surgery,
patients are at risk for local and metastatic recurrence. We use our Monte Carlo
simulation model to identify the optimal timing, duration, and modalities of
imaging surveillance considering cost, radiation exposure, and cancer control. We
present numerical results comparing the optimal strategies to current guidelines
from four clinical organizations: American Urological Association, Canadian
Urological Association, European Association of Urology, and National
Comprehensive Cancer Network.
2 - Incentive Contract Design For Food Retailers To Reduce Food
Deserts In The US
Nathaniel D. Bastian, The Pennsylvania State University,
University Park, PA, 16802, United States,
, Eric Swenson, Linlin Ma,
Hyeong Suk Na
In the US, obesity affects over 37% of the adult population and over 16% of the
child and adolescent population. Although not-for-profit agencies cannot directly
control what a person eats, they can influence the supply side of the obesity
epidemic by incentivizing food retailers to open stores in regions of the US where
food deserts exist. As a risk-sharing grant incentive program, we develop
principal-agent based optimization models that determine the optimal subsidy
these agencies should offer to food retailers to incentivize operation in certain
regions. These subsidies are designed to create financially viable conditions for
food retailers to offer high quality, healthy food alternatives.
3 - Modeling Supply, Demand, And Allocation In Liver Transplantation
Wesley Marrero, University of Michigan, Ann Arbor, MI, United
States, , Jingyuan Wang, Justin Steuer,
Eunshin Byon, Mariel Sofia Lavieri, David W Hutton,
Neehar D Parikh
Liver transplantation can be a lifesaving intervention for patients with end-stage
liver disease. Unfortunately, there has been an increase in the disparity among the
number of patients listed for liver transplants and the liver transplants performed.
We first aimed to forecast the availability for liver donors in the US considering
populations shifts. Furthermore, geographical redistricting models have been
proposed as an alternative to decrease the supply-demand inequity. We then
aimed to understand the impact of redistricting on the availability of donors per
population. Lastly, we aimed to predict the future demand for liver
transplantation as a function of obese population in the US.
4 - Simulation And Spatio-temporal Modeling Approaches For
Surveillance Of Hospital-acquired Infections
Hyojung Kang, University of Virginia, Charlottesville, VA, 22904,
United States, , Jennifer Mason Lobo
The prevalence and mortality of antibiotic-resistant infection has increased
globally and in the U.S. Traditionally, studies have focused on identifying
transmission chains of infected patients as the reservoir for organisms to be
transferred to new patients in order to track hospital outbreaks with drug
resistant pathogens. This study aims to understand the role care providers and
other non-patient reservoirs within a hospital play in transmission of the
infection. We will develop agent-based simulation models using various sources of
data to analyze risk factors and evaluate what-if scenarios.
TD25
110A-MCC
Scheduling with Applications
Invited: Project Management and Scheduling
Invited Session
Chair: Hui-Chih Hung, National Chiao Tung University, 1001 University
Rd., MB103, Hsin-Chu, 300, Taiwan,
1 - On Scheduling Restoration Tasks For Pipeline Networks In Post-
disaster Management
I-Lin Wang, Professor, National Cheng Kung University, Tainan,
Taiwan,
Pipeline networks that ship flows of gas or water are important for daily living
support. Suppose arcs of a pipeline network are damaged by disasters and the
resources (equipment, manpower, and time) required to restore each damaged
arc have been estimated. We investigate when and who to restore which arcs
such that the flows over pipelines become accessible for people along all arcs at
minimum total waiting time in the post-disaster management. We propose a
network reduction scheme, an integer program, and heuristics for solving this
special resource constrained project scheduling problem.
2 - Scheduling Sequential Locks Along Waterways
Frits Spieksma, KU Leuven,
Inland waterways form a natural network infrastructure with capacity for more
traffic than is currently the case. Transportation by ship is widely promoted as it is
reliable, efficient and an environmental friendly way of transport. Nevertheless,
locks managing the water level on waterways may constitute bottlenecks for
transport over water. We aim to minimize total waiting time of ships in a setting
where locks are located in a sequential manner along a waterway.
TD25