Model for Improvement
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Transcript of Model for Improvement
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Model for Improvement
What can we change that will
result in an improvement?
PLAN
DO
STUDY
ACT
How will we know that a
change is an improvement?
What are we trying to accomplish? AIM
MEASUREMENTCHANGE
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PDSA –testing a change
MARUWhat is Maru trying to achieve?How many ideas does he try?Is he successful?What was the possible negative outcome?
From YouTube
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Rapid Cycle Change
What can we change that will result in an improvement?
How will we know that a change is an improvement?
What are we trying to accomplish?
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AIM of this change: PROBLEM :
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AIM of this change:
Do a PDSA to solve a problem at home
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AIM: unpack the dishwasher in a more efficient way
PROBLEM : unpacking the dishwasher is inefficient
Put half the cups and half the glasses in the cupboard just above the dishwasher
How easy it is to unpack the dishwasher
-Tom to rearrange cupboard today--Mary and Tom to unpack into one cupboard for 4 days
Mary – it will look horrible and I will hate itTom – it will be easy and Mary will like it
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Model for Improvement
What can we change that will
result in an improvement?
PLAN
DO
STUDY
ACT
How will we know that a
change is an improvement?
What are we trying to accomplish? AIM
MEASUREMENTCHANGE
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Measurement
Are we getting closer to our target?
Outcome measure
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Measurement
Did we use the whole bundlein every patient every time?
Process measure (Bundle compliance)
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Measurement
Was the change an improvement?
Measuring the impact of a change
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Measuring over time
• a volunteer to write
• a volunteer to measure
• graph paper
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Annotated Run Chart
Community Need
I Change Made in June
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Interpreting Data: what is the story?
IBefore (Feb) After (Aug)
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What is the real story?
Change Made
Change Made
Change Made
Change Made in June
Feb Aug
Feb AugFeb Aug
Feb Aug Feb Aug
I
Change Made
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Prevention of Mother to Child Transmission.
A sub-district in a province in SA
Positive PCRs at 6 weeks (target <5%) Feb 2010 8.2%Feb 2011 3.2%
Improvement?
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Positive PCRs at 6 weeks (target <5%) Feb 2010 8.2%Feb 2011 3.2%
Improvement?
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Median
Shift: 6 points in row on same side of the median Note: A point exactly on the centerline does not cancel or count towards a shift
Median
Median
Trend: 5 points in row headed in same directionNote: Ties between two consecutive points
don’t cancel or add to a trend
Rule 3
0
5
10
15
20
25
1 2 3 4 5 6 7 8 9 10
Mea
sure
or C
hara
cerist
ic
Median 11.4
Data line crosses onceToo few runs: total 2 runs
Run Chart: Rules for Identifying Statistically Significant Change
Rule 1 Rule 2
Rule 4Rule 3
I
Astronomical Point: a obviously, even blatantly different valueNote: Every set of data will have a highest and lowest data point. This does not mean the high or low are astronomical
Runs: too few or too many runs
Provost and Murray
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Run Charts• One of the most powerful tools for improvement
• Describe a process over time
• Shows trends the process is experiencing
• Can be used to analyse whether the change was an improvement
• Data can be used to drive change
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Outcome measurement
Are we getting to our target?
Was the change an improvement?
How do we measure HAIs?
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Measuring infection rates
Lessons from an ICU
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Quality Improvement 101
Problem?
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Measuring Infection Rates
• Total number of infective cases per 1,000 device days:
Total No. of VAP cases
Ventilator daysX 1,000
Numerator
Denominator
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Definition of VAP
“VAP is suspected when a patient on mechanical ventilation develops: a new or progressive pulmonary infiltrate with fever / leucocytosis and purulent tracheobronchial secretions”
“VAP is suspected when a patient on mechanical ventilation develops: a new or progressive pulmonary infiltrate with fever / leucocytosis and purulent tracheobronchial secretions”
“Pneumonia is considered as ventilator associated if the patient was intubated and ventilated at the time or within 48hrs before the onset of the infection”
“Pneumonia is considered as ventilator associated if the patient was intubated and ventilated at the time or within 48hrs before the onset of the infection”
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Overcoming Numerator Issues
Total No. of VAP cases
Ventilator daysX 1,000
Numerator
Denominator
Patients with
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Overcoming Numerator Issues – diagnosing the HAI (workbook)
Checklists forDiagnosing the HA Infectionused by theteam
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Overcoming Denominator Issues
At the same time every day theUnit managercounts devicesin use in the ward
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Working out the infection rates (workbook)