patient safety and human factors concepts deborah duncombe, mhp
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Patient Safety and Human Factors Concepts Deborah Duncombe, MHP. Objectives. Review of Culture of Safety Review of Human Factors and Error Explain importance of reporting near misses, systems failures, work-arounds and adverse events. Healthcare Error in United States. - PowerPoint PPT PresentationTRANSCRIPT
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Patient Safety andHuman Factors
Concepts
Deborah Duncombe, MHP
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Objectives
• Review of Culture of Safety• Review of Human Factors and Error• Explain importance of reporting
near misses, systems failures, work-arounds and adverse events
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Healthcare Error in United States
99% of errors are system related, not human failure.
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DFCI Experience
• In 1994 2 patients received an overdose of chemotherapy – resulting in death and permanent cardiac damage.
Root Cause• Multiple systems failures that allowed
the incorrect doses to be ordered, dispensed and administered.
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Patient Safety
• Actions undertaken by individuals and organizations to protect healthcare recipients from being harmed by the effects of health care services.
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Patient Safety Impediments• Latent errors – “accidents waiting to happen”
– Poorly designed systems
• Human Error• Reluctance to discuss and report errors,
harm or systems problems – so they recur• Communications• Multiple hand-offs• Multiple interactions with complicated
technology• Fast-paced, high pressure environment that
is prone to interruptions• Barriers unique to each institution
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Patient Safety Impediments
DFCI Specific
• Complex relationships with inpatient facilities
• Multiple information systems that don’t always communicate
• Complex research protocols• High acuity ambulatory center
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Culture of Safety in Health Care
• Patients should not be harmed by the care that is intended to help them
• Safety is NOT just the prevention of errors, but the avoidance of adverse events to the patient– Includes error prevention, accident
prevention, minimization of adverse drug events and systems improvement
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Components of a Culture of Safety• Environment of learning, not blaming
• Non-punitive or fair and just culture– Culture that supports the open
discussion of errors, failures and potential or actual harm
– Individuals not held responsible for flawed systems
– System and individual accountability.• Atmosphere of trust and respect
– Reporting encouraged, rewarded
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Components of a Culture of Safety• Involvement of front-end staff in
systems evaluations and incident investigation– Front –line staff are the task experts
• Belief in prevention as a safety tool
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Human Factors
• Human factors discovers and applies information about human behavior, abilities, limitations, and other characteristics to the design of tools, machines, systems, tasks, jobs, and environments for productive, safe, comfortable, and effective human use.
• Why things don’t work right!
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Basic Tenets of Human Factors
• Everyone commits errors– Slips and mistakes
• Errors are often beyond our conscious control
Systems that depend on perfect human performance are fatally flawed.
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Error vs. Accident• What is an error?
– Failure to perform an intended action (omission or commission)
• What is an accident?– An unplanned, unexpected and
undesired event that reaches a patient
• Error is not defined by adverse outcome– Most errors do not cause harm
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Error vs. Accident
• Errors not discovered can lead to accidents
• Identifying errors that do not reach a patient is essential to patient safety
• Identifying errors that do not reach a patient reveals potentially harmful failures
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Contributing Factors to Error• Environment
– Noise, lighting, distractions
• Equipment/Technology– Design, training, labeling
• Human– Cognitive, communications, fatigue,
teamwork, emotions, habit, bias
• Systems– Experience, training, P&Ps, hand-offs,
supervision
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ExamplesHuman Factor
“Real Life” Healthcare
Sleep Deprivation
Driving 24 hour shifts
Perception Accident “witness” Reading an x-ray
Learning Curves Piano playing “see one, do one, teach one”
Motor control Computer mouse Laparoscopic surgery
Confirmation bias
Big Dig route changes
Transcribing Q18 to be
administered every 8 hours.
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Perception• Which is brightest center dot?
From www.visualexperts.com
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Perception
• What color is the words?
From www.visualexperts.com
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See What You Expect to See
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See What You Expect to See• Holmes, Karen DFCI147892 F 11/15/48• Holmes, Karl DFCI245943 M 12/13/38• Holmes, Karla DFCI314593 F 12/01/42• Holmes, Kristin DFCI304562 F 10/09/67• Holmes, Kristin I. DFCI243667 F 01/10/17• Holmes, Kristin J. DFCI300462 F 10/06/76• Holmes-Jones, K. DFCI234567 F 10/06/67• Jones, Kaitlan DFCI279531 F 12/31/82• Jones, Kirstin DFCI243657 F 10/26/27• Jones, Kristin DFCI234567 F 10/06/67• Jones-Holmes, K. DFCI234567 F 10/06/67
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See What You Expect to See• Holmes, Karen DFCI147892 F 11/15/48• Holmes, Karl DFCI245943 M 12/13/38• Holmes, Karla DFCI314593 F 12/01/42• Holmes, Kristin DFCI304562 F 10/09/67• Holmes, Kristin I. DFCI243667 F 01/10/17• Holmes, Kristin J. DFCI300462 F 10/06/76• Holmes-Jones, K. DFCI234567 F 10/06/67• Jones, Kaitlan DFCI279531 F 12/31/82• Jones, Kirstin DFCI243657 F 10/26/27• Jones, Kristin DFCI234567 F 10/06/67• Jones-Holmes, K. DFCI234567 F 10/06/67
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See What You Expect to See• Holmes, Karen DFCI147892 F 11/15/48• Holmes, Karl DFCI245943 M 12/13/38• Holmes, Karla DFCI314593 F 12/01/42• Holmes, Kristin DFCI304562 F 10/09/67• Holmes, Kristin I. DFCI243667 F 01/10/17• Holmes, Kristin J. DFCI300462 F 10/06/76• Holmes-Jones, K. DFCI234567 F 10/06/67• Jones, Kaitlan DFCI279531 F 12/31/82• Jones, Kirstin DFCI243657 F 10/26/27• Jones, Kristin DFCI234567 F 10/06/67• Jones-Holmes, K. DFCI234567 F 10/06/67
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See What You Expect to See• Holmes, Karen DFCI147892 F 11/15/48• Holmes, Karl DFCI245943 M 12/13/38• Holmes, Karla DFCI314593 F 12/01/42• Holmes, Kristin DFCI304562 F 10/09/67• Holmes, Kristin I. DFCI243667 F 01/10/17• Holmes, Kristin J. DFCI300462 F 10/06/76• Holmes-Jones, K. DFCI234567 F 10/06/67• Jones, Kaitlan DFCI279531 F 12/31/82• Jones, Kirstin DFCI243657 F 10/26/27• Jones, Kristin DFCI234567 F 10/06/67• Jones-Holmes, K. DFCI234567 F 10/06/67
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Error (Perception)
Example:
1000 mg is read by a RN as 100 mg. The drug is administered into the patient’s IV.The patient receives the wrong dose.
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Error (Mistake)
Example: 1000 mg is read correctly as 1000
mg by the RN. The RN incorrectly decides to administer as a bolus rather than an IV drip.
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Error (Slip)
Example:
1000 mg is read as 1000 mg. The RN correctly decides it should be administered as an IV drip. The RN is distracted while hanging the drug and, from habit, administers as a bolus.
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Systems Error
• Vulnerability in a process that allows a result that is not intended.
• Systems Errors allow human errors to line up to become a failure or accident.
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Systems Error
Examples in everyday life:
– Florida voting system (ballots)
– Cars lurching forward when starting
Examples in health care
– Oxygen and other medical gasses with same attachment heads
– Legibility of handwritten orders (prescriptions)
– Allowing 100 mg to be administered if 1000 mg was ordered.
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Systems Failures
From Reason
Error
Accident
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Accident Waiting to Happen “Real Life”
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Accident Waiting to HappenHealthcare
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Accident Waiting to HappenHealthcare
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Systems Improvements• Forcing functions
– Something built into a process to either prevent or force a certain action to take place
• Redundancy– Built in procedures to insure an action has
occurred
• Simplification– Eliminate steps rather than add steps
• Standardization – Medication doses / administration times
• Automation and computerization– Bar-coding
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Systems Improvements (cont.)
• Reduce number of hand-offs• Improve access to information• Decrease reliance on memory
In other words, develop systems and processes to prevent errors/accidents from happening and that can manage them when/if they occur.
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Effective Systems
From Reason
Error stopped,
no Accident occurs.
The team can still recover the error
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Near Miss or Potential Error
• What is a near miss (in healthcare)?– An error that occurs somewhere in
the process, but does not reach the patient
– An error that has not turned into an accident
• Could the recurrence of this event put another patient at risk in the future?
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Near Miss or Potential Error
• Examples:– Wrong drug dispensed, but not
administered
– Patient Jane Smith is wearing Joan Smith’s ID wrist band, but correct patient ID is detected by hospital number prior to phlebotomy procedure
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Systems Require Monitoring
From Reason
Limited systems resources get nibbled away.
Checks and balances not performed allow
vulnerabilities to accumulate
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Moving Systems Towards Safety• Eliminate “shame and blame”
mentality from healthcare!• Accept that our clinical staff will
make errors and build systems to support their work
• Foster a culture of safety where people can speak up
• Organizational learning from errors and near-misses
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Moving Systems Towards Safety
• The system must trust that you will monitor, you will identify, you will do your individual best.
• You must trust that the system will listen to your concerns.
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Moving Systems Towards Safety
• An unreported error/vulnerability cannot be investigated
• However, it’s not about counting the number of reports – it is about identifying vulnerabilities
If we don’t know about it, we can’t investigate it and we can’t fix it.
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Barriers to Reporting
• Punitive culture – Get in trouble/someone else in
trouble
• Don’t know what to report– Don’t think “near misses” have to be
reported
• Time
• Cumbersome reporting systems
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Barriers to Reporting
• Poor feed-back of reported events/actions
• Belief that “reporting doesn’t make any difference”
• Belief that “work-arounds” are the normal way of doing business
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Patient Safety Rounds
• Incident reporting is a regulatory requirement
• Incident reporting program typically only tells us if something happens to the patient – only the “tip of the iceberg”
• Develop a “pro-active” approach to finding out what is going on – where we are vulnerable– Infection Control model
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Patient Safety Rounds
• An informal approach to talk with staff in action
• Make it easy, non-threatening, supportive
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Moving Forward
• How do you help your organization to move forward with patient safety?
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References• IOM (Institute of Medicine). (1999). To Err is Human: Building a
Safer Health Care System. Washington, DC: National Academy Press.
• IOM. (2001). Crossing the Quality Chasm: A New Health System for the 21st Century. Washington, DC: National Academy Press.
• Leape, LL. (1997, August 3). A systems analysis approach to medical error. J Eval Clin Pract, 3, 213-222
• Leape, LL. (1994, December 21). Error in medicine. JAMA, 272 (23), 1851-1857
• Leape, LL. (1994). Testimony Before the United States Senate Subcommittee on Labor, Health and Human Services, and Education
• Reason, JT. (2000, March 18). Human error: models and management. BMJ, 320, 768-770
• Reason, JT. (1997). Managing the Risks of Organizational Accidents. Burlington, VT: Ashgate Publishing Company
• Risk Management Foundation, Cambridge, MA