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Memorial Sloan Kettering Facility Uses RTLS to Monitor Patient Recovery

The Josie Robertson Surgery Center, newly opened in December, is using the system to track patients, their families and health-care providers, ensuring that patients are treated efficiently and are back on their feet after surgery.
By Claire Swedberg
Mar 29, 2016

The Memorial Sloan Kettering Cancer Center's new Josie Robertson Surgery Center (JRSC) is using a real-time location system (RTLS) to improve the flow of patient care as individuals move through surgery, post-op and recovery. The solution, provided by Versus Technology and installed by Ronco Specialized Systems, tracks where patients are located, how long they spend at any given spot and which staff members are with them. The system tracks not only when patients enter or leave a specific room or area, but also their activity level during post-op and recovery, and can determine if they have remained stationary for too long and thus might require assistance.

JRSC, a 179,000-square-foot outpatient facility located on Manhattan's Upper East Side, first opened its doors in December 2015. The site, which serves up to 60 patient cases daily, has 12 operating rooms and more than 40 perioperative beds. Its 16 floors include areas for specialty procedures, operating rooms, waiting areas and a café. The center is designed to provide patients and families with a relaxed, comfortable environment, says Daniel Stein, the director of perioperative informatics and innovation in Memorial Sloan Kettering's Division of Health Informatics. By implementing an RTLS solution, he explains, the center hopes to increase the efficiency of its workflow and enhance its patient care coordination.

Patients and their families, as well as Josie Robertson Surgery Center personnel, all wear a Versus Clearview badge that identifies their whereabouts.
JRSC aims not only to provide its patients with high-quality clinical care and a personalized experience, Stein says, but to do so efficiently so that patients can get back to the comforts of home and their daily routines quickly and safely. "This is not an easy mission," he states, "given the complexity of cancer surgeries and the coordination required among the multidisciplinary teams involved." Therefore, the clinic hopes that RTLS-based data will provide sufficient visibility to help it achieve its efficiency goals.

When a patient arrives at the center, he or she is issued a clip-on Versus Clearview badge, according to Tina Soyring, Versus Technology's clinical solutions consultant. The badge transmits a unique ID number via an infrared (IR) signal, as well as a 433 MHz RFID signal using a proprietary air-interface protocol. IR sensors receive the badge's infrared signal to identify its location, while RFID readers provide redundancy data. The IR sensors then forward the badge ID to a concentrator (or gateway), which uses a wired connection to send that data to the server on which the RTLS software resides. At the same time, the RFID readers receive the badge's RF signal and forward that information to the concentrator as well. Altogether, 528 infrared sensors and RFID readers were installed on all 16 of JRSC's floors—approximately 10 sensors for every reader.

As the individual travels from one room to another, the system is updated to indicate his or her new location. Because employees also wear badges, the software not only knows where that patient is and has been, but also when he or she has been visited by a health-care provider, and how long that visit lasted.

Once the patient enters the operating room, a staff member takes the badge, which is later returned to that patient when he or she leaves the OR following surgery.

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