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Mobile App Could Help with Heart Attack Recovery

Third-year internal medicine resident leads collaboration to empower heart attack patients in their recovery

Nationwide, one in five cardiac patients is readmitted to the hospital within 30 days, says Francoise Marvel, M.D., a third-year internal medicine resident and soon-to-be chief resident at Johns Hopkins Bayview. “They leave without the guidance, information and skill-building they need to get a healthy start,” she says.

Dr. Marvel is leading a team of Johns Hopkins physicians, nurses, designers and engineers who are collaborating with Apple on an app designed to empower heart attack patients in their recovery.

The app, called Corrie (“Cor” is Latin for heart), works with Apple Watch and would be the first cardiology app in CareKit, Apple’s new framework for medical applications. Corrie monitors a patient’s heartbeat, blood pressure and exercise, creating a record for patients and their doctors. It also alerts users when it’s time to take medications, and it pings if users have been sitting a long time and would benefit from a walk. Corrie also can be used to schedule follow-up appointments and learn about heart health through animated videos.

“It’s like a digital health buddy to keep patients on track,” says Marvel.

She began developing the app in 2014 with support from Johns Hopkins Technology Ventures and several grants, including those dedicated to patient safety. The project gained momentum in 2016, when Dr. Marvel teamed with preventive cardiologist and mobile health expert Seth Martin, and with Whiting School of Engineering students Matthias Lee and Gavi Rawson.

For a pilot study, Apple donated 200 Corrie-equipped smartwatches to The Johns Hopkins Hospital and Johns Hopkins Bayview. Cardiac patients at those hospitals now receive the watches the day after they are admitted and keep them for 30 days after discharge. If the pilot shows Corrie can help those patients improve their health and prevent readmissions, the app could be available to cardiac patients at other hospitals within the next year.

Reprinted with permission from the December 2016 issue of Insight, a Johns Hopkins Medicine publication

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