Navigation Links
GaitTrack app makes cellphone a medical monitor for heart and lung patients
Date:5/8/2014

CHAMPAIGN, Ill. By simply carrying around their cellphones, patients who suffer from chronic disease could soon have an accurate health monitor that warns their doctors when their symptoms worsen.

GaitTrack, an app developed by researchers at the University of Illinois at Urbana-Champaign and the U. of I. at Chicago, turns a smartphone into a sophisticated medical device. Unlike other apps that merely count steps, GaitTrack uses eight motion parameters to perform a detailed analysis of a person's gait, or walking pattern, which can tell physicians much about a patient's cardiopulmonary, muscular and neurological health.

Led by Bruce Schatz, the head of medical information science and a professor of computer science at the U. of I., the team published its findings in the journal Telemedicine and e-Health.

"Fitness apps and devices are tuned for healthy people," said Schatz, who also is affiliated with the Institute for Genomic Biology at the U. of I. "They cannot accurately measure patients with chronic disease, who are the biggest medical market. A pedometer is not a medical device. But a cheap phone with GaitTrack software is."

According to Schatz, gait is sometimes called the "sixth vital sign" after temperature, blood pressure, heart rate, respiratory rate and blood oxygen level. Gait speed involves several systems of the body working together in coordination, so changes in gait can be a sign of trouble in one or more systems.

Doctors often use an assessment called the six-minute walk test for patients with heart and lung disease, such as congestive heart failure, chronic obstructive pulmonary disease (COPD) and asthma. Patients with chronic disease often cannot be measured with typical pedometers since they tend to walk with shorter, more careful strides, or to shuffle, so specialized medical accelerometers are used.

The Illinois team used GaitTrack to administer six-minute walk tests to 30 patients with chronic lung disease and found that it monitored more accurately and more cheaply than the medical accelerometers. In addition, they discovered that analysis of the gait data could predict lung function with 90 percent accuracy, within an age group.

"The original plan was just to validate the software against the standard medical walk test," Schatz said, "but we looked at other data and found that it matched well with a pulmonary function test called FEV1. Predicting FEV1 is useful because that's the standard number used to determine treatment. That's worth a lot to a health system."

Schatz envisions the GaitTrack app running constantly in the background as a patient carries a phone. The phone would periodically collect data, analyze it and keep tabs on the patient's status, alerting the patient or patient's doctor when it detects changes in gait that would indicate a decline in health so that treatment could be adjusted responsively.

The researchers now are testing GaitTrack in larger trials within health systems. Schatz hopes to have the app available for download within months.

"Population health measurement is the key to making health care viable. If you could just measure what people were doing all the time, then you could get enough information to make rational decisions," Schatz said.


'/>"/>

Contact: Liz Ahlberg
eahlberg@illinois.edu
217-244-1073
University of Illinois at Urbana-Champaign
Source:Eurekalert  

Related biology news :

1. The loss of a protein makes jump the tumor to the lymph node
2. Why spring is blooming marvelous (and climate change makes it earlier)
3. UH makes Princeton Reviews Green List 3 years in a row
4. Modern hybrid corn makes better use of nitrogen, study shows
5. Same gene that stunts infants growth also makes them grow too big
6. Cystic fibrosis makes airways more acidic, reduces bacterial killing
7. Diabetes drug makes brain cells grow
8. UCLA research makes possible rapid assessment of plant drought tolerance
9. Queens University Belfast makes significant cancer breakthrough
10. Waste cooking oil makes bioplastics cheaper
11. Treatment with fungi makes a modern violin sound like a Stradiavarius
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
GaitTrack app makes cellphone a medical monitor for heart and lung patients
(Date:3/31/2016)... , March 31, 2016  Genomics firm Nabsys ... founding CEO, Barrett Bready , M.D., who returned ... of the original technical leadership team, including Chief Technology ... of Product Development, Steve Nurnberg and Vice President of ... to the company. Dr. Bready served as ...
(Date:3/23/2016)... March 23, 2016 ... Sicherheit Gesichts- und Stimmerkennung mit Passwörtern ... (NASDAQ: MESG ), ein führender Anbieter ... Unternehmen mit SpeechPro zusammenarbeitet, um erstmals dessen ... wird die Möglichkeit angeboten, im Rahmen mobiler ...
(Date:3/22/2016)... and SANDY, Utah , March ... operates the highest sample volume laboratory in ... and UNIConnect, leaders in clinical sequencing informatics and molecular ... of a project to establish the informatics infrastructure for ... NSO has been contracted by the Ontario Ministry ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... , ... June 27, 2016 , ... ... bring innovative medical technologies, services and solutions to the healthcare market. The company's ... of various distribution, manufacturing, sales and marketing strategies that are necessary to help ...
(Date:6/27/2016)... 2016  Liquid Biotech USA ... a Sponsored Research Agreement with The University of ... from cancer patients.  The funding will be used ... with clinical outcomes in cancer patients undergoing a ... be employed to support the design of a ...
(Date:6/24/2016)... 2016  Regular discussions on a range of subjects including ... two entities said Poloz. Speaking at a lecture ... , he pointed to the country,s inflation target, which is ... "In certain areas there ... common economic goals, why not sit down and address strategy ...
(Date:6/24/2016)... ... June 24, 2016 , ... While the majority of commercial ... Cary 5000 and the 6000i models are higher end machines that use the more ... the spectrophotometer’s light beam from the bottom of the cuvette holder. , FireflySci ...
Breaking Biology Technology: