Centers for disease control and prevention, Federal agency

Houston [US], April 14 : Understanding how to minimise falls might help seniors save money on health care and stay in their homes longer.A group of Rice University engineering students created a fall-risk assessment system that allows clinicians to construct individualised risk-management plans for patients based on their specific home mobility patterns.The Three Seasons team "because with us, there is no fall," said member Vanessa Garlepp is one of more than 110 competing in this year's Oshman Engineering Design Kitchen showcase on April 13 at the Ion. Charlie Gorton, Chris Heuser, Fadeel Khan and Ahalya Lettenberger round out the team.Falls are the leading cause of injury and death caused by injury for adults 65 and older, according to the Centers for Disease Control and Prevention. A quarter of the nearly 56 million adults over 65 in the U.S. experience a fall each year, and 1 in 5 falls result in serious injuries such as a broken bone or head trauma.With the population of older adults expected to reach over 85 million by 2050, the team's fall-risk assessment system could have a significant impact in terms of reducing fall-associated healthcare costs and increasing patient autonomy.The system includes a wearable device, a home-mapping and movement-monitoring component and an artificial intelligence-mediated data-processing element.Garlepp said, "Our wearable device tracks location with an ultrawideband sensor, it tracks movement with an accelerometer, it tracks time with a real-time clock and it has a user-input button that they can press if they are dizzy, for instance. Lastly, everything is written to a micro SD card. That is all happening in the wearable itself. Then, the data is post-processed."Garlepp added she was drawn to the sensing aspect of the project, "To me, that was really cool how the sensors would interface with each other and how everything would integrate together. This is also personal for me. My grandfather actually passed away because of a fall. So I was also drawn to the project for that reason, as well as to just help prevent the same thing from happening to other families."The system includes a lidar scanner mounted on a tripod that can map the layout of a room, including the furniture."The lidar scanner sends out a signal and detects where the walls are," Heuser said. "With the tripod, you can raise and lower it. For instance, I used it to scan my living room at different heights 7 feet, 5 feet, 4 feet and 2 feet. And you can see features like my couch, which you can tell by the uneven line that is the cushions. Combined with the ultrawideband location sensing, this can provide physicians with a map of how a patient moves in their home and help them find the riskiest locations.""Our device is not only detecting falls in the home but also detecting everything surrounding the fall [?] what they were doing before the fall, where they were in their home when they fell, etc.," Lettenberger said."A lot of times when older people fall, they can't remember why they fell," Gorton said. "This device gives the physician details about the fall event that a patient might otherwise forget.""When we spoke to our clients who are physicians, they said that most patients experience some form of either (pre-fall) activity or dizzy spell within a certain time period," Khan said. "A patient would have to wear the device for that recommended time because a shorter amount of time might not give you any mengful data."Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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