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wearables

Building a Smarter Bandage

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Smart Bandage

Credit: Tufts University, Medford, MA

Smartphones, smartwatches, and smart electrocardiograms. How about a smart bandage?

This image features a prototype of a smart bandage equipped with temperature and pH sensors (lower right) printed directly onto the surface of a thin, flexible medical tape. You also see the “brains” of the operation: a microprocessor (upper left). When the sensors prompt the microprocessor, it heats up a hydrogel heating element in the bandage, releasing drugs and/or other healing substances on demand. It can also wirelessly transmit messages directly to a smartphone to keep patients and doctors updated.

While the smart bandage might help mend everyday cuts and scrapes, it was designed with the intent of helping people with hard-to-heal chronic wounds, such as leg and foot ulcers. Chronic wounds affect millions of Americans, including many seniors [1]. Such wounds are often treated at home and, if managed incorrectly, can lead to infections and potentially serious health problems.


Wearable mHealth Device Detects Abnormal Heart Rhythms Earlier

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Zio patch

Caption: Woman wearing a Zio patch
Credit: Adapted from JAMA Network Summary Video

As many as 6 million Americans experience a common type of irregular heartbeat, called atrial fibrillation (AFib), that can greatly increase their risk of stroke and heart failure [1]. There are several things that can be done to lower that risk, but the problem is that a lot of folks have no clue that their heart’s rhythm is out of whack!

So, what can we do to detect AFib and get people into treatment before it’s too late? New results from an NIH-funded study lend additional support to the idea that one answer may lie in wearable health technology: a wireless electrocardiogram (EKG) patch that can be used to monitor a person’s heart rate at home.


Built for the Future. Study Shows Wearable Devices Can Help Detect Illness Early

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Michael Snyder wearing monitors

Caption: Stanford University’s Michael Snyder displays some of his wearable devices.
Credit: Steve Fisch/Stanford School of Medicine

Millions of Americans now head out the door each day wearing devices that count their steps, check their heart rates, and help them stay fit in general. But with further research, these “wearables” could also play an important role in the early detection of serious medical conditions. In partnership with health-care professionals, people may well use the next generation of wearables to monitor vital signs, blood oxygen levels, and a wide variety of other measures of personal health, allowing them to see in real time when something isn’t normal and, if unusual enough, to have it checked out right away.

In the latest issue of the journal PLoS Biology [1], an NIH-supported study offers an exciting glimpse of this future. Wearing a commercially available smartwatch over many months, more than 40 adults produced a continuous daily stream of accurate personal health data that researchers could access and monitor. When combined with standard laboratory blood tests, these data—totaling more than 250,000 bodily measurements a day per person—can detect early infections through changes in heart rate.