<address id="lxrbh"></address>
      <em id="lxrbh"><span id="lxrbh"></span></em>

      ScienceDaily
      Your source for the latest research news
      Follow Facebook Twitter LinkedIn Subscribe RSS Feeds Newsletters
      New:
      • New Physics and the Early Universe
      • How SARS-CoV-2 Rapidly Damages Human Lung Cells
      • Greenland Ice Sheet Faces Irreversible Melting
      • Early Changes in Alzheimer’s Before Symptoms
      • Fingerprints Strengthen Human Touch
      • Is It Better to Give Than Receive?
      • New Hubble Data Explains Missing Dark Matter
      • What Triggers Leaf Die-Off in Autumn?
      • Alligators Can Regrow Their Tails Too
      • Two Liquid States of Water Exist
      advertisement
      Follow all of ScienceDaily's latest research news and top science headlines!
      Science News
      from research organizations

      1

      2

      New tool can diagnose strokes with a smartphone

      Date:
      October 22, 2020
      Source:
      Penn State
      Summary:
      A new tool could diagnose a stroke based on abnormalities in a patient's speech ability and facial muscular movements, and with the accuracy of an emergency room physician -- all within minutes from an interaction with a smartphone.
      Share:
      FULL STORY

      A new tool created by researchers at Penn State and Houston Methodist Hospital could diagnose a stroke based on abnormalities in a patient's speech ability and facial muscular movements, and with the accuracy of an emergency room physician -- all within minutes from an interaction with a smartphone.

      advertisement

      "When a patient experiences symptoms of a stroke, every minute counts," said James Wang, professor of information sciences and technology at Penn State. "But when it comes to diagnosing a stroke, emergency room physicians have limited options: send the patient for often expensive and time-consuming radioactivity-based scans or call a neurologist -- a specialist who may not be immediately available -- to perform clinical diagnostic tests."

      Wang and his colleagues have developed a machine learning model to aid in, and potentially speed up, the diagnostic process by physicians in a clinical setting.

      "Currently, physicians have to use their past training and experience to determine at what stage a patient should be sent for a CT scan," said Wang. "We are trying to simulate or emulate this process by using our machine learning approach."

      The team's novel approach is the first to analyze the presence of stroke among actual emergency room patients with suspicion of stroke by using computational facial motion analysis and natural language processing to identify abnormalities in a patient's face or voice, such as a drooping cheek or slurred speech.

      The results could help emergency room physicians to more quickly determine critical next steps for the patient. Ultimately, the application could be utilized by caregivers or patients to make self-assessments before reaching the hospital.

      advertisement

      "This is one of the first works that is enabling AI to help with stroke diagnosis in emergency settings," added Sharon Huang, associate professor of information sciences and technology at Penn State.

      To train the computer model, the researchers built a dataset from more than 80 patients experiencing stroke symptoms at Houston Methodist Hospital in Texas. Each patient was asked to perform a speech test to analyze their speech and cognitive communication while being recorded on an Apple iPhone.

      "The acquisition of facial data in natural settings makes our work robust and useful for real-world clinical use, and ultimately empowers our method for remote diagnosis of stroke and self-assessment," said Huang.

      Testing the model on the Houston Methodist dataset, the researchers found that its performance achieved 79% accuracy -- comparable to clinical diagnostics by emergency room doctors, who use additional tests such as CT scans. However, the model could help save valuable time in diagnosing a stroke, with the ability to assess a patient in as little as four minutes.

      "There are millions of neurons dying every minute during a stroke," said John Volpi, a vascular neurologist and co-director of the Eddy Scurlock Stroke Center at Houston Methodist Hospital. "In severe strokes it is obvious to our providers from the moment the patient enters the emergency department, but studies suggest that in the majority of strokes, which have mild to moderate symptoms, that a diagnosis can be delayed by hours and by then a patient may not be eligible for the best possible treatments."

      "The earlier you can identify a stroke, the better options (we have) for the patients," added Stephen T.C. Wong, John S. Dunn, Sr. Presidential Distinguished Chair in Biomedical Engineering at the Ting Tsung and Wei Fong Chao Center for BRAIN and Houston Methodist Cancer Center. "That's what makes an early diagnosis essential."

      advertisement

      Volpi said that physicians currently use a binary approach toward diagnosing strokes: They either suspect a stroke, sending the patient for a series of scans that could involve radiation; or they do not suspect a stroke, potentially overlooking patients who may need further assessment.

      "What we think in that triage moment is being either biased toward overutilization (of scans, which have risks and benefits) or underdiagnosis," said Volpi, a co-author on the paper. "If we can improve diagnostics at the front end, then we can better expose the right patients to the right risks and not miss patients who would potentially benefit."

      He added, "We have great therapeutics, medicines and procedures for strokes, but we have very primitive and, frankly, inaccurate diagnostics."

      Other collaborators on the project include Tongan Cai and Mingli Yu, graduate students working with Wang and Huang at Penn State; and Kelvin Wong, associate research professor of electronic engineering in oncology at Houston Methodist Hospital.

      make a difference: sponsored opportunity

      Story Source:

      Materials provided by Penn State. Original written by Jessica Hallman. Note: Content may be edited for style and length.


      Cite This Page:

      • MLA
      • APA
      • Chicago
      Penn State. "New tool can diagnose strokes with a smartphone." ScienceDaily. ScienceDaily, 22 October 2020. <www.theclynefaction.com/releases/2020/10/201022123120.htm>.
      Penn State. (2020, October 22). New tool can diagnose strokes with a smartphone. ScienceDaily. Retrieved December 3, 2020 from www.theclynefaction.com/releases/2020/10/201022123120.htm
      Penn State. "New tool can diagnose strokes with a smartphone." ScienceDaily. www.theclynefaction.com/releases/2020/10/201022123120.htm (accessed December 3, 2020).

      • RELATED TOPICS
        • Matter & Energy
          • Medical Technology
          • Virtual Environment
          • Technology
          • Engineering
        • Computers & Math
          • Virtual Reality
          • Computer Modeling
          • Communications
          • Mathematical Modeling
      advertisement

      • RELATED TERMS
        • Speech recognition
        • Positron emission tomography
        • Robot calibration
        • Mercury (element)
        • Confocal laser scanning microscopy
        • User interface design
        • Robot
        • Artificial intelligence

      1

      2

      3

      4

      5
      RELATED STORIES

      Inexpensive, Portable Detector Identifies Pathogens in Minutes
      Apr. 23, 2020 — Researchers have demonstrated an inexpensive yet sensitive smartphone-based testing device for viral and bacterial pathogens that takes about 30 minutes to complete. The roughly $50 smartphone ...
      Using Quantum Dots and a Smartphone to Find Killer Bacteria
      Aug. 5, 2019 — A combination of off-the-shelf quantum dot nanotechnology and a smartphone camera soon could allow doctors to identify antibiotic-resistant bacteria in just 40 minutes, potentially saving patient ...
      Robotic Arm May Help to Rehabilitate Chronic Stroke Victims
      Oct. 29, 2018 — New research finds that robotic arm rehabilitation in chronic stroke patients with aphasia, the loss of ability to understand or express speech, may promote speech and language function ...
      Can Your Fitness Tracker Save Your Life in the ER?
      Apr. 5, 2016 — Emergency physicians used a patient's personal activity tracker and smartphone to identify the time his heart arrhythmia started, which allowed them to treat his new-onset atrial fibrillation with ...
      FROM AROUND THE WEB

      ScienceDaily shares links with sites in the TrendMD network and earns revenue from third-party advertisers, where indicated.
        Print   Email   Share

      advertisement

      1

      2

      3

      4

      5
      Most Popular
      this week

      SPACE & TIME
      (c) (c) IM_VISUALS / AdobeField Geology at Mars' Equator Points to Ancient Megaflood
      (c) (c) CrispyMedia / AdobeTree Rings May Hold Clues to Impacts of Distant Supernovas on Earth
      (c) (c) Vadimsadovski / AdobeNew Hubble Data Explains Missing Dark Matter
      MATTER & ENERGY
      (c) (c) tussik / AdobeTwo Distinctly Different Liquid States of Water
      (c) (c) tampatra / AdobeA Biochemical Random Number
      A Nanomaterial Path Forward for COVID-19 Vaccine Development
      COMPUTERS & MATH
      Three Reasons Why COVID-19 Can Cause Silent Hypoxia
      Video Games Can Change Your Brain
      New Study Estimates the Odds of Life and Intelligence Emerging Beyond Our Planet
      advertisement

      Strange & Offbeat
       

      SPACE & TIME
      Astronomers to Release Most Accurate Data Ever for Nearly Two Billion Stars
      Chaotic Early Solar System Collisions Resembled 'Asteroids' Arcade Game
      Supernova Surprise Creates Elemental Mystery
      MATTER & ENERGY
      (c) (c) wisanuboonrawd / AdobeA Hint of New Physics in Polarized Radiation from the Early Universe
      Oddly Satisfying Metamaterials Store Energy in Their Skin
      New Glue Sticks Easily, Holds Strongly, and Is a Gas to Pull Apart
      COMPUTERS & MATH
      Chaotic Early Solar System Collisions Resembled 'Asteroids' Arcade Game
      More Skin-Like, Electronic Skin That Can Feel
      AI System Discovers Useful New Material
      SD
      • SD
        • Home Page
        • Top Science News
        • Latest News
      • Home
        • Home Page
        • Top Science News
        • Latest News
      • Health
        • View all the latest top news in the health sciences,
          or browse the topics below:
          Health & Medicine
          • Allergy
          • Alternative Medicine
          • Birth Control
          • Cancer
          • Diabetes
          • Diseases
          • Heart Disease
          • HIV and AIDS
          • Obesity
          • Stem Cells
          • ... more topics
          Mind & Brain
          • ADD and ADHD
          • Addiction
          • Alzheimer's
          • Autism
          • Depression
          • Headaches
          • Intelligence
          • Psychology
          • Relationships
          • Schizophrenia
          • ... more topics
          Living Well
          • Parenting
          • Pregnancy
          • Sexual Health
          • Skin Care
          • Men's Health
          • Women's Health
          • Nutrition
          • Diet and Weight Loss
          • Fitness
          • Healthy Aging
          • ... more topics
      • Tech
        • View all the latest top news in the physical sciences & technology,
          or browse the topics below:
          Matter & Energy
          • Aviation
          • Chemistry
          • Electronics
          • Fossil Fuels
          • Nanotechnology
          • Physics
          • Quantum Physics
          • Solar Energy
          • Technology
          • Wind Energy
          • ... more topics
          Space & Time
          • Astronomy
          • Black Holes
          • Dark Matter
          • Extrasolar Planets
          • Mars
          • Moon
          • Solar System
          • Space Telescopes
          • Stars
          • Sun
          • ... more topics
          Computers & Math
          • Artificial Intelligence
          • Communications
          • Computer Science
          • Hacking
          • Mathematics
          • Quantum Computers
          • Robotics
          • Software
          • Video Games
          • Virtual Reality
          • ... more topics
      • Enviro
        • View all the latest top news in the environmental sciences,
          or browse the topics below:
          Plants & Animals
          • Agriculture and Food
          • Animals
          • Biology
          • Biotechnology
          • Endangered Animals
          • Extinction
          • Genetically Modified
          • Microbes and More
          • New Species
          • Zoology
          • ... more topics
          Earth & Climate
          • Climate
          • Earthquakes
          • Environment
          • Geography
          • Geology
          • Global Warming
          • Hurricanes
          • Ozone Holes
          • Pollution
          • Weather
          • ... more topics
          Fossils & Ruins
          • Ancient Civilizations
          • Anthropology
          • Archaeology
          • Dinosaurs
          • Early Humans
          • Early Mammals
          • Evolution
          • Lost Treasures
          • Origin of Life
          • Paleontology
          • ... more topics
      • Society
        • View all the latest top news in the social sciences & education,
          or browse the topics below:
          Science & Society
          • Arts & Culture
          • Consumerism
          • Economics
          • Political Science
          • Privacy Issues
          • Public Health
          • Racial Disparity
          • Religion
          • Sports
          • World Development
          • ... more topics
          Business & Industry
          • Biotechnology & Bioengineering
          • Computers & Internet
          • Energy & Resources
          • Engineering
          • Medical Technology
          • Pharmaceuticals
          • Transportation
          • ... more topics
          Education & Learning
          • Animal Learning & Intelligence
          • Creativity
          • Educational Psychology
          • Educational Technology
          • Infant & Preschool Learning
          • Learning Disorders
          • STEM Education
          • ... more topics
      • Quirky
        • Top News
        • Human Quirks
        • Odd Creatures
        • Bizarre Things
        • Weird World
      Free Subscriptions

      Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

      • Email Newsletters
      • RSS Feeds
      Follow Us

      Keep up to date with the latest news from ScienceDaily via social networks:

      • Facebook
      • Twitter
      • LinkedIn
      Have Feedback?

      Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?

      • Leave Feedback
      • Contact Us
      About This Site  |  Staff  |  Reviews  |  Contribute  |  Advertise  |  Privacy Policy  |  Editorial Policy  |  Terms of Use
      Copyright 2020 ScienceDaily or by other parties, where indicated. All rights controlled by their respective owners.
      Content on this website is for information only. It is not intended to provide medical or other professional advice.
      Views expressed here do not necessarily reflect those of ScienceDaily, its staff, its contributors, or its partners.
      Financial support for ScienceDaily comes from advertisements and referral programs, where indicated.
      — CCPA: Do Not Sell My Information — — GDPR: Privacy Settings —
      118论坛 118网址之家