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Patient, heal thyselfThe Role of mHealth in Self-Care
Joseph A. Cafazzo, PhD PEng Lead, Centre for Global eHealth Innovation, University Health Network Senior Director - Medical Engineering and Healthcare Human Factors
Assistant Professor, IBBME and HPME, Faculty of Medicine, University of Toronto
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The Big 6
DiabetesHigh Blood PressureKidney DiseaseHeart FailureLung DiseaseMental Health
60% of all spending inChronic Disease
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3
Current care models focus primarily on acute care
age: 0 - 35 36 – 65
supported living dependent living
66 – 80 80 & Up
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independent living
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4
age: 0 - 35 36 – 65
supported living
dependent living
66 – 80 80 & Up
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Serv
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Can we suppress these acute events?
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5
‘Shift Left’ of Healthcare through Technology1
$1 $10 $100 $1,000 $10,0000%
100% Healthy, Independent Living
Chronic Disease Management Doctor’s
Office
Community Clinic
HOME CARE
Assisted Living
Skilled Nursing Facility
RESIDENTIAL CARE
Community Hospital
ICU
Specialty Clinic
ACUTE CARE
COST of CARE/DAY
QUALITYof LIFE
1) from Intel, and Center for Aging Services Technologies (CAST)
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Patient-Provider Feedback Loop
Gathering data Interpreting information
Acting on results
Communicating back to patient
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Remote Monitoring and
Self-Care
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Joseph Hayduk, 86, is heart failure and uses a device that transmits his vital signs to a RN at Meridian Health. The RN calls all 18 patients in program daily.
The New York Times Feb 13, 2009
“Classic” Remote Patient Monitoring
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Physicians’ concerns
• Reimbursement and liability
• Accuracy of self-recorded data
• “Neurotic”, “self-obsessed” behaviour
• Change in patient/physician relationship
• Completeness, accuracy and authenticity of personally-controlled EHRs
source:
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Forces Affecting the Diffusion of Health Technologies
Magnitude Of Effect
Evidence ofEffectiveness/
Cost-effectiveness
Industry
Public/Societal
End-Users/Hospital profile/Domino effect
Affordability
Ease of UseAnd Safety
Political Will
Diffusion
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Shea et al. Study
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Shea et al. Study
• RCT, n=844, 1 year duration
• Poor, under-served, minority population
• Study noted improvements in:
• HgA1c
• Blood pressure
• LDL cholesterol levels
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Back to Shea et al
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Cost of intervention:
$3,425 USper patient
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Spyglass Study of 100 Care Organizations
“A few barriers have to removed for remote monitoring to really take hold... the cost of devices and peripherals at about $3,000 to $5,000 now has to come down to a more affordable price of $300
to $500.”
“They should be sold through stores like Wal-Mart or Best Buy”
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Congestive Heart Failure Client
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Diabetes self-management
system
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Clinical trials
• Diabetic hypertension pilot - complete
• Blood sugar and hypertension - complete
• Gestational diabetes pilot - complete
•Diabetic hypertension RCT - complete
• Congestive heart failure RCT - complete
•Gestational diabetes RCT - complete
•Adolescent type 1 diabetes pilot - complete
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Clinical trials
Gestational diabetes RCT
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DiabetesManagement
System
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Blood Pressureautomaticallytransmitted to
BlackBerry
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Blood Sugar readingsautomatically sent to
BlackBerry
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Results can be graphed to show progress and
trends
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Clinical trials
Diabetic Hypertension RCT
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American Journal of Hypertension, 20(9), pp. 942-948, 2007
Pilot ResultsDiabetic Hypertension
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Intervention group (55 patients)
Control group (55 patients)
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Intervention group (55 patients)
Control group (55 patients)
-9.1 mmHg systolic
-3.2 mmHg diastolic
no change
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What else did we learn?
the physicians weren’t responsible for the improvement
no additional medsno significant changes in management
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What else did we learn?
the mechanism appears to be patient self-awareness, accountability
an adherence mechanism is important
giving them a monitor isn’t enough
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Hypothesis
the monitor isn’t enough
“active” monitoring is required
passive monitoring doesn’t work
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Clinical trials
Heart Failure RCT
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RCT Study design
• N=100
• duration 6 months
• daily measurements before 10 am - reminder call
• alert algorithm - messages direct to cardiologist
• control group - usual care
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RCT ResultsCongestive Heart Failure
150 pg/mLBNP
7.4 %LVEF
no change in the control group
7 pointsself-care
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RCT ResultsCongestive Heart Failure
no improvement in re-hospitalization
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The changing role of physicians
• Lead role in*:
• treating acute problems
• diagnosing and developing initial treatment plan of chronic conditions
• managing difficult chronic cases
• Devolve to health care team and patient self-care:
• day-to-day management of chronic conditions
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Published data: NHD and Clinical outcomes
• Improved Patient Health – Normalization of blood pressure without the need for anti-hypertensive
medications– Normalization of abnormal wall thickness of the heart– Restoration of impaired heart function– Improvement in peripheral circulation– Improvement in sleep quality– Improvement in nutritional determinants– Elimination of dietary restriction
• Patient autonomy• Cost effective modality
Chan et al : KI, 2002, Chan et al: NDT, 2003 Chan et al: AJKD, 2003, Hanly et al: NEJM, 2001Pierratos et al: JASN, 1998
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Patient-Perceived Barriers to NHD (Cafazzo and Chan, 2007)
•Perceived burden on family members
•Fear of self-cannulation
•Fear of a catastrophic event in the absence of nursing support
•Low self-efficacy
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Sent: Sat Feb 04 06:52:47 2006 Subject: Dialysis Session End: **Patient Name**
*** Final Dialysis Readings *** Total Weight Loss: 3.00 kg Total Blood: 141.50 L Total Dialysis time: 7.90 hrs. Initial Time: 2/3/2006 | 10:42 PM End Time: 2/4/2006 | 6:36 AM
**** Session Averages **** Venous Pressure Sensor: 123.2 mmHg Arterial Pressure Sensor: -146.2 mmHg
*** Physiological parameters *** HR: 67.5 bpm (on for 90% of session) SpO2: 96.3 % (on for 90% of session) *** Yellow Alerts *** 10:42:28 PM | ! Ven Pressure Alarm - Present
Sample Session Summary to BlackBerry
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Michigan Tech
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application to mental health
• 20% of population
• almost no technological interventions
• promising developments for detection
Objective: develop a practical biomarker for the detection of anxiety and depressions
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Technical Challenges
• weak signals - uV range
• sensor treatment - dry or wet
• continuos signal - power management
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Julien Penders, Holst Centre, The Netherlands
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designchallenge
Enobio
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Valence hypothesis, states that there is differential hemispheric specialization for positive and negative emotions.
How do we detect emotions?
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How do we detect emotions?
Emotional Valence - Stimulus
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futuremHealth
app?
Enobio
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ConclusionmHealth and RPM needs
rigorous, evidence-based design
“active” monitoring is required
passive monitoring doesn’t work
The future of mHealth is patient-focused, social, and consumer-initiated
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Ministry of Health and Long Term CareMinistry of Research and Innovation (HTX)
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eHealth Innovation
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University Health Network
Centre for Global
eHealth Innovation
Human Factors
Core Staff Jadad PHI Medical Informatics
Telehealth
Medical Device Informatics
Eysenbach
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MedicalDevice
Informatics
HealthcareHumanFactors
The Teams
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Patient, heal thyselfThe Role of mHealth in Self-Care
Joseph A. Cafazzo, PhD PEng Lead, Centre for Global eHealth Innovation, University Health Network Senior Director - Medical Engineering and Healthcare Human Factors
Assistant Professor, IBBME and HPME, Faculty of Medicine, University of Toronto