May 11, 2020

Krannert and Kelley business schools collaborating to help IU Health manage surge of Covid-19 patients

WEST LAFAYETTE, Ind. — Faculty at two of Indiana’s leading business schools at Indiana and Purdue universities are collaborating on a project with IU Health to help the health care provider manage the COVID-19 demand surge in its 16 hospitals across five regions of the state.

The interdisciplinary team of professors at Purdue’s Krannert School of Management and IU’s Kelley School of Business has been working since March 23 to develop a predictive model of the resources required for an adequate response to the pandemic. This includes both disease prediction and patient flow workload.

Pengyi Shi, assistant professor of supply chain and operations management at Krannert, led the patient-flow workload team.

“In my role, I led a team to develop a model of how COVID-19 patients move around the hospital and what resources they use during their stay, such as medical/surgical and ICU beds, ventilators and ECMOs, nurse staff, and PPE,” Shi said. “I developed a model based on a queueing network and programmed it in Excel with easily modifiable parameters for practitioners to evaluate different potential scenarios and operational interventions.” 

Shi’s research focuses on building data-driven, analytical methods to support decision-making under uncertainty in various health care systems. Her most recent publication, “Timing it Right: Balancing Inpatient Congestion versus Readmission Risk at Discharge,” won the Pierskalla Best Paper Award at the 2018 meeting of the INFORMS Health Applications Society. It is forthcoming in the journal Operations Research.

Another of the team’s co-leaders, Jonathan Helm, associate professor of operations and decision technologies and Grant Thornton Scholar at Kelley, said many models for COVID-19 lack the details needed for hospitals to do operational planning.

“A lot of models out there that predict the number of ICUs and ventilators you’re going to need really are back of the envelope calculations,” Helm said.  “For example, patient resource requirements in Indianapolis look different from those for patients in Lafayette and Bloomington. These regions have different types of hospitals and different demographics of people they serve, and different population densities, all of which contribute to COVID-19 care resource requirements.

“We are creating a learning model of how the patients in each region of Indiana are being affected and how they differ from those in the national model,” Helm said.

Helm and four others in Kelley’s Department of Operations and Decision Technologies developed a SEIR disease progression model, which aims to predict when surges of COVID-19 patients might take place around the state.

Combining this with Shi’s workload model has allowed IU Health to predict the impact of operational measures potentially activated as part of a COVID-19 surge plan. Examples include canceling elective surgeries, transforming ambulatory surgery rooms into intensive care units, modifying staff plans and schedules, leveraging the flexible “float” nurse pool to move nurses to where staff is most needed, shipping ventilators between regions, preparing for pharmacy loads, and potentially setting up temporary hospitals.

The team worked day and night due to the urgency of the situation and is now providing weekly updates to IU Health as the model is able to learn and improve from the evolving new data about COVID-19 patients.

The team also is exploring the possibility of having the tool deployed statewide beyond IU Health.

“I’m excited about the opportunity to use my research in patient flow modeling to help hospitals in their operational response to this highly disruptive pandemic,” Shi said. “The involvement of Purdue and Krannert in this project provides recognition for the school and the university as key players in the solution to this unprecedented outbreak.”

“This effort shows the incredible talent and hardworking nature of our faculty,” said Idalene “Idie” Kesner, dean of the Kelley School and the Frank P. Popoff Chair of Strategic Management. “It also shows how Hoosiers come together from across the state for the benefit of the Indiana community.”

David Hummels, the Dr. Samuel R. Allen Dean of the Krannert School, serves on the board for the IU Health West Central Region. He praised the effort and collaborative approach by Shi and those at Kelley.

“The rapid adjustments that have been made throughout the IU Health system in order to accommodate patient surge have been nothing short of astonishing,” he said. “This is one of the times where they have to try many new things, very quickly, and put an enormous amount of trust in expertise that new systems are going to work.”

Dr. Jose Azar, chief quality officer at IU Health, says the predictive models have helped the healthcare provider anticipate the time and magnitude of the surge and place strategies to meet the anticipated demand on space, staff and resources for the crisis.

“My primary concern has been to avoid getting to the point where we don’t have enough equipment to keep our staff safe or don’t have enough resources to care for our patients,” he says. “The predictive model has helped us prepare for both scenarios.”

Based upon IU Health’s actual data during the pandemic, the predictive model also will assist in its financial planning.  “The great part about the tool is the ability to model when and at what level elective procedures will begin,” says Scott Black, chief financial officer of system clinical services at IU Health.  “Those assumptions will allow us to make more informed financial results and cash flow projections.”

“Having an analytical partner help us determine when and where we needed to align people, processes, medication, and supplies in a way that allowed us to minimize medication shortages and rework was valuable in focusing our energy on delivering clinical and operational outcomes,” adds Buck Sanders, vice president and chief pharmacy officer at IU Heath. “We truly appreciate the partnership in helping us fulfill our promise.”

About Purdue University

Purdue University is a top public research institution developing practical solutions to today’s toughest challenges. Ranked the No. 6 Most Innovative University in the United States by U.S. News & World Report, Purdue delivers world-changing research and out-of-this-world discovery. Committed to hands-on and online, real-world learning, Purdue offers a transformative education to all. Committed to affordability and accessibility, Purdue has frozen tuition and most fees at 2012-13 levels, enabling more students than ever to graduate debt-free. See how Purdue never stops in the persistent pursuit of the next giant leap at purdue.edu.

Writer: Eric Nelson, nelsoner@purdue.edu

Media contact: Joseph Paul, paul102@purdue.edu (working remotely but will provide immediate response)

Source: Pengyi Shi, shi178@purdue.edu

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