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Mobile healthforthemasses.2015
1. eric c. larson | eclarson.com
mobile health for the masses
Assistant Professor Computer Science and Engineering
health monitoring using mobile phones
6. 75% of all US healthcare spending is on
chronic disease
source: center for disease control, 2014
state of health in the US
US infant mortality rate ranks ~23rd in the
world, but 1st in delivery cost
source: national vital statistics reports, 2014
9 out of 10 of US doctors feel
medications are overprescribed
source: american medical association, 2012
8. what is mhealth?
mHealth (em-‘helth )
an abbreviation for mobile health, a term
used for the practice of medicine and public
health supported by mobile devices
9. the promise of mHealth:
eliminate doctor visits
remote / automatic diagnosis
equalize developing countries
11. stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training
~30,000 apps for health
~95% are for calorie counting & exercise
~5% are remote monitoring, wellness,
smoking cessation, references, etc.
yet to be a disruptive mHealth technology
33. Study Evaluation
100 newborn participants
• <1 day old when
enrolled
Data collected by medical
professionals using
iPhone 4S
BiliCam
TSB (ground truth)
TcB (control)
3 - 5 days old
43. 20
15
10
5
0
high risk
high intermediate risk
low intermediate risk
low risk
Bilirubin(mg/dL)
0.5 1 2 3 4 5 6
Age (days)
9 high risk cases
based on TSB
Interpretation
44. 20
15
10
5
0
high risk
high intermediate risk
low intermediate risk
low risk
Bilirubin(mg/dL)
0.5 1 2 3 4 5 6
Age (days)
BiliCam
2/9 missed high risk (22%)
85% blood draws avoided
Interpretation
45. 20
15
10
5
0
high risk
high intermediate risk
low intermediate risk
low risk
Bilirubin(mg/dL)
0.5 1 2 3 4 5 6
Age (days)
BiliCam
2/9 missed high risk (22%)
85% blood draws avoided
TcB
2/9 missed high risk (22%)
88% blood draws avoided
BiliCam is sufficient for newborn Jaundice screening,
but it is unknown how user error affects reliability
Interpretation
46. Next steps: developing world
Kernicterus:+
21+($8+mill)+
Hazardous+
jaundice:++1158+
($50,000)+
Extreme+jaundice:++
2,317+($20,000)+
Severe+jaundice:+35,000+
($8,500)+
Phototherapy:+290,000++($1,000)+
Visible+jaundice:+3.5+million+
Births/year:+4.1+million+
In the US Middle- & low-income
countries:
• 75,000 cases
kernicterus/year
• 114,000 newborn
deaths/year
• 65% newborn deaths
from kernicterus
kernicterus
21
($8million)
Bhutani et al. 2013, Pediatric Research 2010
55. pupilware
cognitive load study
zoomed NIR cameras. It constantly captures the pupils of the
participant reflecting any changes in their size in real-time. For
the device under test, a web camera, we use a Microsoft Lifecam
[48] of resolution 1280x720 pixels. The web camera stores the
video of the participant during each task at 15 frames per second.
Figure 1 -- Experiment Setup
56. pupilware
20 participants
over 500 iterations of digit span tasks
using both laptop embedded camera and smartphone
for light brown and colored eyes:
identical to pupillometer
captures sub millimeter pupil response
first automatic classification of cognitive load
57. pupilware
20 participants
over 500 iterations of digit span tasks
using both laptop embedded camera and smartphone
for light brown and colored eyes:
identical to pupillometer
captures sub millimeter pupil response
first automatic classification of cognitive load
58. markers of pain
PupilWare
head injury
cravings context aware
computing
attention
future work in
sympathetic nerve damage
fatigue and sleep deprivation
71. any phone in the world can
be used as a spirometer
2015 study:
50 participants
4 styles of phone
including feature phone
head to head with spirometer
SpiroCall vs spirometer ~5%
spirometer vs spirometer ~5%
72. in 10 years, COPD will surpass AIDS/HIV as the leading
cause of death in low income nations
global initiative for chronic obstructive lung disease (GOLD 2014)
world health organization, global burden of disease (2013)
73. ongoing research
third party validation
FDA device approval
gamification and compliance, reliability
scalable training of public health workers
pupillary
response
lung
functionjaundice
75. eric c. larson | eclarson.com
mobile health for the masses
Assistant Professor Computer Science and Engineering
health monitoring using mobile phones
collaborators:
Suku Nair
Eric Bing
Sohail Rafiqi
Mark Wang
Ephrem Fernandez, MD, PhD
Gaetano Boriello
Shwetak Patel
Jim Stout, MD
Jim Taylor, MD
Margaret Rosenfeld, MD
Mayank Goel
Lilian DeGreef
Joseph Camp
eclarson.com
eclarson@lyle.smu.edu
@ec_larson
76. eric c. larson | eclarson.com
Assistant Professor Computer Science and Engineering
BiliCam
home screening for newborn jaundice
SpiroCall
mobile and smartphone spirometry
MobiScreen
mobile training for cervical cancer screening
PupilWare
pupillary response using
everyday cameras