School-based telehealth program reduces ED visits by pediatric asthma patients

November 05, 2019

Researchers at the Medical University of South Carolina (MUSC) report in JAMA Pediatrics an association between a school-based telehealth program and reduced emergency department visits for children with asthma living in a rural and underserved region of South Carolina.

This study shows the potential impact that school-based telehealth programs can have on children with chronic illnesses, especially those living in communities lacking access to health care.

The MUSC team, led by pediatrician Kathryn King Cristaldi, M.D., analyzed Medicaid claims for children ages 3-17 in Williamsburg County with access to a school-based telehealth program. They then compared them to those for children in four surrounding counties without school-based telehealth. Cristaldi co-directs the Telehealth Center of Excellence at MUSC, one of only two such centers in the nation.

The study found that children with access to school-based telehealth were 21% less likely to visit the ED for their asthma than those without such access. However, the three-year study found no association between school-based telehealth and all-cause ED visits.

"Asthma is one of the most common and costly diseases in childhood," said Cristaldi. "We showed that the program was associated with decreased likelihood of ED visits. We think that this was achieved by engaging the school nurse to ensure that children are getting their controller medications daily and increasing overall awareness of managing childhood asthma."

Williamsburg County is a rural and medically underserved area of South Carolina situated along the I-95 "corridor of shame," so dubbed for its high rates of poverty. MUSC developed this program to address disparities in access to care, linking children to pediatric experts via telemedicine.

But it was the school nurses who helped to ensure the program's success by actively engaging the community.

"The program connects school nurses, who are really the frontline pediatric public health professionals, to providers via a telehealth cart that provides two-way audio-video communications with electronic peripherals that are HIPPA compliant," said Cristaldi. HIPAA refers to the Health Insurance Portability and Accountability Act, which provides data privacy and security provisions that safeguard medical information.

School nurses, Cristaldi said, go out of their way to help students on a daily basis. So it was no surprise that they would be the ones to use the telehealth cart to connect sick children with expert providers at remote locations, helping to examine the children with special electronic stethoscopes and other peripherals. This special equipment enabled providers at remote locations to assess the children's conditions, just as if they were in the room. It was also the school nurses who helped to obtain feedback from parents, kept them informed and made sure they had the resources they needed. Without these dedicated school nurses, this program would not have been possible.

"Our findings in JAMA Pediatrics show progress. This puts residents along the I-95 corridor in a positive light, showing that they really partnered with us and over the years did something really good," said James T. McElligott, M.D., executive medical director for the Center for Telehealth at MUSC, who pioneered the school-based telehealth program in Williamsburg County.

"This is just the beginning," he added. "I think this study offers really strong empiric evidence that they can improve their community, and we want to make sure that is heard."

Next, Cristaldi and her team will analyze the program's ability to help to implement asthma best practices as well as continue to explore the cost-effectiveness of school-based telehealth.
About the Medical University of South Carolina

Founded in 1824 in Charleston, the Medical University of South Carolina (MUSC) is the oldest medical school in the South, as well as the state's only integrated, academic health sciences center with a unique charge to serve the state through education, research and patient care. Each year, MUSC educates and trains more than 3,000 students and 700 residents in six colleges: Dental Medicine, Graduate Studies, Health Professions, Medicine, Nursing and Pharmacy. The state's leader in obtaining biomedical research funds, in fiscal year 2018, MUSC set a new high, bringing in more than $276.5 million. For information on academic programs, visit

As the clinical health system of the Medical University of South Carolina, MUSC Health is dedicated to delivering the highest quality patient care available, while training generations of competent, compassionate health care providers to serve the people of South Carolina and beyond. Comprising some 1,600 beds, more than 100 outreach sites, the MUSC College of Medicine, the physicians' practice plan, and nearly 275 telehealth locations, MUSC Health owns and operates eight hospitals situated in Charleston, Chester, Florence, Lancaster and Marion counties. In 2019, for the fifth consecutive year, U.S. News & World Report named MUSC Health the number one hospital in South Carolina. To learn more about clinical patient services, visit

MUSC and its affiliates have collective annual budgets of $3 billion. The more than 17,000 MUSC team members include world-class faculty, physicians, specialty providers and scientists who deliver groundbreaking education, research, technology and patient care.

Medical University of South Carolina

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