from task interruptions to electronic health records ... · from task interruptions to electronic...
TRANSCRIPT
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From Task Interruptions to Electronic Health Records: Understanding Emergency
Physician Stress and Workflow
Raj Ratwani, PhDCenter Director
National Center for Human Factors in HealthcareMedStar Health
Associate Professor of Emergency of MedicineGeorgetown University School Medicine
@RajRatwani
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Disclosures
• Funding from: – Agency for Healthcare Research and Quality– The Pew Charitable Trusts– Office of the National Coordinator for Health
Information Technology
• Member of the 21st Century Cures Act Health Information Technology Advisory Committee. Views expressed here are my own.
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National Center for Human Factors in Healthcare
• We focus on studying human capabilities and designing technology, systems, and processes to meet these capabilities for safety, efficiency, & quality
35 team members- Human Factors (4 PhD, 2 MS)- Health Equities (1PhD)- Computer Science (4 MS)- Aerospace Engineering (1MS)- Clinicians (4 MD, 2 RN, 1PT)
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Physician Burnout
Source: Medical Lifestyle Report 2017
Consequences: - Increased likelihood of error- Clinician harm and attrition
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Recognized Contributors to Burnout
• Interruptions, task switching, and cognitive load--- “being busy”
• Poor EHR usability which: – Increases time on the computer– Reduces time with the patient– Increases frustration “click fatigue”
1. Understand the “cognitive impact” of these contributors
2. See the evolution of methods to study clinician work processes
3. Understand the implications of EHR usability
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Anatomy of an Interruption
Primary Task
Interruption Lag
Resumption Lag
Suspend Primary TaskWork on Interrupting Task
Resume Primary Task
Altmann & Trafton, 2002
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Memory for Goals Theory
• Retrieving the correct goal is based on activation levels
• Strengthening constraint- history of the goal matters
• Priming constraint- mental/environmental cues can boost activation of a goal
• Interference level- goals decay slowly over time
(Altmann & Trafton, 2002)
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Activation =
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Management strategies:
1. Delay the interruption during critical tasks2. Reject the interruption3. Use the interruption lag to rehearse
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Errors by Interruption Length
0
5
10
15
20
25
30
35
Control 8 sec 15 sec 30 sec 60 sec
Percent Error
(Ratwani & Trafton, 2010)
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Interruptions in the ED
• 18 attending EM physicians– 2 hour observations– 3 urban hospitals
Ratwani, Raj M., et al. "Emergency physician use of cognitive strategies to manage interruptions." Annals of emergency medicine 70.5 (2017): 683-687.
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Reality…
Fong, Allan, and Raj M. Ratwani. "Understanding Emergency Medicine Physicians Multitasking Behaviors Around Interruptions." Academic Emergency Medicine (2018).
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Interruption Sources and Tasks Interrupted• 12.5 interruptions per hour• In-person was the primary
source• Computer tasks commonly
interrupted
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Management Strategies Rarely Used
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Leveraging Sensor Technology • Physiological
response• Attention allocation• Social interactions• Observational data
collection for context
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ECG sensor worn under the physician scrub and attached to chest strap
Tablet OS
Python Server
Javascript Client
Data logs
User logs
Task Tracker with HR sensor
Fong, Allan, et al. "Task2Heart: Exploring Heart Rate Differences with Time-Motion Workflow Observations of Emergency Medicine Physicians." Journal of medical systems42.9 (2018): 170.
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Physician HR During Clinical Shifts
• Pilot data from 4 EM physicians
• 60-70 resting• 160 max
• Larger study just completed
0
50
100
150
200
Phys 1 Phys 2 Phys 3 Phys 4
Heart Rate
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Electronic Health Record (EHR)
Usability
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EHR Usability and Safety
• Over 90% of providers have adopted an EHR• Usability is lacking
– Extent to which the technology can be used efficiently, effectively, and satisfactorily
• Consequences of poor usability:– Clinician frustration & burnout– Direct patient harm
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User Interface DesignContext Independent
Font SizesIcons
Colors & ContrastLayout
Cognitive Task SupportContext Dependent“Workflow Design”
VisualizationMemory Aids
Error Anticipation
Usability: Interface Design and Usefulness
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EHR Usability and Safety Studies
1. Cognitive impact of transition to an EHR
2. Understanding variability from implementation
3. Usability and safety hazards
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Impact of the EHR on Workflow• How does use of a new EHR with CPOE impact
physician performance in the ED?– Three study periods: pre, go-live, post– 2 hour observation periods– 14 EM physicians during each phase
• Observers record minute by minute allocation to different tasks– Computer, verbal communication, patient time,
paperBenda, N., Meadors, MA, Hettinger, A.Z, and Ratwani, R.M. (in press). Emergency Physician Task Switching Increases with the Introduction of a Commercial EHR. Annals of Emergency Medicine
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Task Allocation Time
Benda, N., Meadors, MA, Hettinger, A.Z, and Ratwani, R.M. (in press). Emergency Physician Task Switching Increases with the Introduction of a Commercial EHR. Annals of Emergency Medicine
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Tasks Per Minute
Benda, N., Meadors, MA, Hettinger, A.Z, and Ratwani, R.M. (in press). Emergency Physician Task Switching Increases with the Introduction of a Commercial EHR. Annals of Emergency Medicine
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Current State of EHRs
• EHR usability study conducted at 4 sites– 2 Epic– 2 Cerner
• 12-15 EM physicians at each site– Worked on the test system of their own EHR– Complete six clinical scenarios
• Recorded mouse movements, keystrokes, screen capture, eye tracking
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EHR Usability & Safety Variability
EHR FunctionsUsability &
Safety Metrics
Vendor A-Site 1
Vendor A-Site 2
Vendor B-Site 3
Vendor B-Site 4
X-ray(left elbow, wrist,
forearm)
Time (sec) 64.1 24.3 33.3 55.5
Clicks 31.1 7.7 8.1 15.5
Error Rate 25% 16.7% 35.7% 20%
Prednisone Taper(60mg, reduce by 10mg every 2 days
for 12 days)
Time (sec) 148.6 152.7 175.1 178.7
Clicks 34.9 20 42.3 28.2
Error Rate 16.7% 41.7% 50% 40%
Ratwani et al. (2018) A Usability and Safety Analysis of Electronic Health Records. Journal of the American Medical Informatics Association.
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Identifying Usability and Safety Hazards• Analyzed patient safety event report data
– 1.7m reports– Explicit mention of top five EHR vendor and
categorized as a harm event
[DATE] 1842 by [NAME]--- 9 mg dose Gentamicin AND a 9.9 mg dose Gentamicinwere in patient bedside med drawer, EACH ONE was scheduled to be given at 1000 (on the EHR worklist, in EHR Current Scheduled Medications, and each one had an entry on the MAR as being due at 1000). I notified pharmacy and she discontinued one of these doses. Concern that [Vendor Name] EHR allowed both doses to be ordered, and if these were timed farther apart there is a possibility that both doses may have been given. I printed the information from EHR and placed it in the NICU PCS mailbox.
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Usability and Harm Events
1.735m Patient Safety Event Reports
1,956 (.11%) explicitly mentioned EHR vendor and reported patient harm
557 (.03%) contained language suggesting usability as an issue
Howe, J., Adams, K., Hettinger, A. Z. & Ratwani, R.M. (2018). Electronic Health Record Usability Issues and Potential Contributions to Patient Harm. JAMA
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Harm Levels Associated with Usability Events
Harm Level Percent (count)
Reached patient and potentially requiredmonitoring to preclude harm
84% (468)
Potentially caused temporary harm 14% (80)
Potentially cause permanent harm 1% (7)
Could have necessitated intervention to sustain life or could have resulted in death
<1% (2)
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0%
5%
10%
15%
20%
25%
30%
Data Entry Alerting Interoperability Visual Display Availability ofInformation
System Aut. &Defaults
WorkflowSupport
Usability Challenges38% During Order Placement37% Medication Administration
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What do we do?
• EHRSeeWhatWeMean campaign
• Examples of usability and safety issues from Cerner and Epic
• Letter to congress urging action– Sign it (takes less than 1 minute)
EHRSeeWhatWeMean.org
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Thank You
[email protected]@RajRatwani
www.SeeWhatWeMean.org
CollaboratorsZach Hettinger, MD, MS Jessica Howe, MSTerry Fairbanks, MD, MSErica Savage, MPHKristen Miller, DrPHAmy WillKatie Adams
Funding SupportThe work presented here was funded by: AHRQThe Pew Charitable TrustsThe American Medical Association