Do d Module 1 Classroom
Transcript of Do d Module 1 Classroom
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Patient Safety Analysis Training:
A DoD/AHRQ Partnership
Module 1:Introduction to Patient Safety Analysis
and Event Management
Harold S. Kaplan
Barbara Rabin Fastman
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Module Outline
Medical ErrorGrowing concerns
Types of events and errors; terminology
Medical Event ManagementSources of event data
Event reporting systems
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Objectives
Participants will be able to: Explain how studying medical events
can provide information to improve patientsafety
Define the various types of events and errors
Explain the goals and critical elements of aneffective event reporting system
Describe the event management process
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Growing Public Concern
About Medical Errors Headlines in newspapers
about human error in
hospitals Numerous articles in the
medical literature
Governmental attention
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Annual Accidental Deaths
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To Err is Human
Institute of
MedicineReport 1999
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Report
Recommendations Establish a national focus of
research, tools, and protocols to enhanceknowledge base about patient safety
Create safety systems inside healthcare organizations through implementation ofsafe practices at the delivery level
Identify and learn from errors throughreporting systems both mandatory andvoluntary
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Errors Provide Useful Information
We can learn more from our failures thanfrom success
Our processes can be improved
when studied Give me a fruitful error
anytime, full of seeds,
bursting with its own
corrections. You can keepyour sterile truth to yourself.
Vilfred Pareto
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Types of Events
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Misadventures
The event actually
happened, and some
level of harmevenpossibly
deathoccurred.
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No Harm Events
The event actually
occurred, but no
harm was done.
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Near Miss Events
The potential forharm may have beenpresent, butunwantedconsequences wereprevented because a
recovery actionwas taken.
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Recovery:
Planned or Unplanned Planned recovery
built into our
processes
Unplanned recovery
lucky catches
Study of recoveryactions is valuable.
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Dangerous SituationsAn accident waiting to happen
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Exercise:
A patient is taken to the OR. The
wristband is checked, and it is realizedthat the wrong patient was brought in.
Misadventure?
No-harm event?
Near miss?
Planned recovery?
Unplanned recovery?
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Exercise:
A patient is found sitting on the floor ofhis room. He claims that he fell. He did
not hit his head. He is examined, andthere are no signs of injury.
Misadventure?
No-harm event?
Near miss?
Planned recovery?
Unplanned recovery?
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Types of Errors
Activeerrors committed by those
in direct contact with the human-
system interface (human error)
Latentdelayed consequences oftechnical and organizational actions
and decisions
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Events Happen When:
latentunderlying conditions
+active human failure
= Event
ActiveError
LatentConditions
Event
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Sharp End Active Failures
Individuals at the sharp end are in direct
contact with the human-system interface
They administer care to patientsTheir actions and decisions may result in
active failures
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Types of Errors
Active (Human) Errors skill-based
rule-based
knowledge-based
Latent Errors (conditions orfailures) technical
organizational
Other (patient related and other)
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Skill-Based Error
Failure in the performance of a routine task
that normally requires little conscious effort
Example: locking your keys in the car
because youre distracted by
someone calling your name
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Rule-Based Error
Failure to carry out a procedure or protocol
correctly, or choosing the wrong rule
Example: not waiting your turn at a 4-way
stop sign
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Knowledge-Based Error
Failure to know what to do in a new situation
(problem solving at conscious level)
Example: not knowing what to do
when the traffic light is out
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Rule-Based vs.
Skill-Based Error Curve
Knowledge-based
Errors
Time
Skill-based
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Blunt End Latent Failures
Individuals at the blunt end take actions
and/or make decisions that affect technical
and organizational policies and procedures These actions and decisions may result in
latent failures
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Types of Errors
Active (Human) Errors skill-based
rule-based
knowledge-based
Latent Errors (conditions orfailures) technical
organizational Other (patient related and
other)
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Latent Categories
(conditions or failures) Technicalproblems with physical items
example: design flaw in software
Organizationalproblems resulting from decisional elements
example - unclear procedure
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Latent Examples
Technical incorrect installation of equipment
faulty seals on a blood bag
forms that are difficult to use
Organizational decisions made by a regulatory body
way in which new staff is oriented rational management decisions thatmay still contribute to an event
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Event
Example
Management decision to delay
computerization
Patient readmitted; penicillin allergy
Chart unavailable
Patient given penicillin; allergic reaction
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Exercise:
An experienced physician is ordering a
medication. She is interrupted by a telephone
call. When she gets back to reading thetubes, she has a mental slip and orders the
med for the wrong patient. What kind of
mistake is this?
Technical?
Organizational?
Human?
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Exercise:
A new infusion pump is introduced in thehospital. The nurse assigned to operate itduring the first week relies on an internal
procedure to operate the instrument; however,the procedure is incomplete and leaves outcrucial information necessary for operation. .What kind of mistake is this?
Technical?Organizational?
Human?
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The Titanic
A disasterthat was
set up
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Latent Conditions on Titanic
Inadequate number of lifeboats
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Latent Conditions on Titanic
No transverse overheads on water
tight bulkheads
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Latent Conditions on Titanic
No shake down or practice cruise totrain crew
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Latent Conditions on Titanic
No training for officers on handling of
large single rudder ships
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Latent Conditions on Titanic
Only one radio channel
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Error Data Sources
Event reporting systems
Audits
Medical records Observation
Patient safety indicators
Simulation
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Event Reporting
To what purpose?
What are its critical elements?
What are the barriers? How is the data used?
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Goals of Event Management
Prevent failure but if you cant,
Make failure visible and
Prevent adverse effects of failure or
Mitigate the adverse effects
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Three Major Functions of Event
Reporting Systems Modeling of new or unique events
Monitoring Events / Risks
type, Cause, Change
Mindfulness
awareness of hazards
active engagement, ownership
feedback
effect on safety culture
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A Quality Event
Reporting System
Standardize reporting
Provide tools that capture the full complexity
of events in a way that is easy to understand Emphasize process improvement based on
multiple rather than single events
Collect events with and without harm, near-miss events, and dangerous situations
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Compliance vs. Adoption
Mandatory reporting: Staff merely comply when ordered to do so
Voluntary reporting: Staff are engaged in patient safety efforts
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Benefits ofNear Miss
Event Reporting Tell us why misadventures donthappen
Misadventures are often atypical. Near misses
and no harm events give relative proportions ofclasses of system failures and help define risk
Raise awareness of system hazards
Data (and lessons) can be shared
Chris Johnson, 2001
University of Glasgow
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The Event Management Process
Detection
Selection
Investigation
Classification & Description
Computation
Interpretation
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Detection
Basic event information is captured:
where and when in process
type of person involved
narrative description
how discovered
event type/category
contributing factors
recovery/mitigation
step(s)
etc.
Noticing and Recording the Event
**Detection rates should be high**
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Heinreichs Ratio1
1 Major injury
29 Minor injuries
300 No-injury
accidents
300
29
1
It has been proposed that reporting systems could be evaluated on
the proportion of minor to more serious incidents.
1. Heinreich HW Industrial Accident Prevention, NY And London 1941
Detection
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Selection
If the detection level is high, there will be
many events Events must be prioritized as to the type/depth
of investigation it will receive
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Investigation Options
Routine Investigation
collect standardized event information
track and Trend
Root Cause Analysis
in-depth investigation
build causal tree
Selection
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Rules for Filtering Events
New, unique or worrisome
Probability for patient harm (severity)
Probability of recurrence Potential for organizational risk
Likelihood of recovery
Expert judgment
Detectability
Combination of above
Selection
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Tool: Risk Matrix
Selection
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Tool: Fuzzy Matching
Similarity functionthat identifies reportsthat are most similar
to a selected or newevent
If many similar events
are identified, furtherinvestigation may berecommended
Selection
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Example of a Causal TreeInvestigation
O Patient Given
A Blood (& Dies)
A+Unit notremoved
from prior
ER-case
Head nurse
distracted
NoneA+ Unit left
on infusion-
pumpwith O units
Blood unit not
checked for
type wheninfused
Group specific
blood ordered
in chaoticsituation
Greatconfusio
n
in ER
Inexperienced nurses in
ER due to
strike
SOP inextreme
emergency
inadequate
A+Unitnot
removed
when O
units hung
Root CausesRoot Causes
RecoveryRecoveryFailureFailure
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Classification & Description
Event classification affects availability of
information for learning:
Classifications trigger information processing
routines that direct the decision makers
attention
Cl ifi i & D i i
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Believing is Seeing
You see what you expect to see
You see what you have labels to see
classification and expectation are key
You see what you have the skills to manage
Everything else is a blur
There lies the developing unexpected event
Classification & Description
Weick K, Sutcliffe K, 2001
Cl ifi i & D i i
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Event Coding
Assign descriptive event codes based on
these criteria:
where and when in the process anevent occurred
Example: Pharmacy filled prescription incorrectly
where and when in the process an event wasdiscovered
Example: Almost administered the wrong medication
Classification & Description
Cl ifi ti & D i ti
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Casual Coding
Example: The Eindhoven Classification Model,Medical Version
20 codes divided into:
latent (Technical, Organizational)
active (Human)
other
aim for 3-7 root cause codes for each event, a mixture
of active and latent
Classification & Description
C t ti
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Computation
See patterns or trends in the
data Focus on areas of risk
Monitor any changes that
have been implemented
within the organization
Looking at data in aggregate to see
patterns and trends
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C t ti
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Types of Data
Comparison and Analysis: Production of frequency distribution and
trend charts
Identification of events meeting a broad
range of parameters (conjunctive queries)
Similarity matching
Computation
Comp tation
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Conjunctive Query
Identification of events meeting broad
range of user-specified parameters
Indicates which items on the form tomatch against
Example: Search for all medication
omissionsdiscovered by an RNon a
weekend
Computation
Computation
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Usefulness of
Similarity Matching For a routine event, if there are many similar
events, do an RCA
For a high-risk event, if there are similarevents that have already undergone an
expanded investigation, link the cases rather
than repeat the RCA
Computation
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ALERT!
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Interpretation
Using data to make measured system changes
Computation reports provide information that
identifies the high risk areas and trends
In Interpretation, we explore these areas and
trends in search of process improvement
opportunities
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Dont Tamper
Interpretation
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Indications of Success
Overall risk of events will decreaseover time as process improvementsare implemented
Patterns of data will change thefrequency distributions ofconsequent, antecedent, and causal
codes will change over time
Interpretation
Weick K, Sutcliffe K, 2001
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Examples of Analysis Tools
Root Cause Analysis (RCA)
causal or risk trees
Data Mining and Case-Based Reasoning (CBR)trend and cluster analysis
Failure Mode and Effects Analysis (FMEA)
Probabilistic Risk Assessment (PRA)
Sense-Making
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The Event Management Process
Detection
Selection
Investigation
Classification & Description
Computation Interpretation
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Summary
Medical Errorgrowing concerns
types of events and errors; terminology
Medical Event Managementsources of event data
event reporting systems
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Thank you
An Introduction to Medical Event
Reporting-Module 1