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Improving Patient Safety Outcomes:Improving Patient Safety Outcomes:Impact of BarImpact of Bar--code Technologycode Technology
11
Mitchell Buckley, PharmD, BCPSMitchell Buckley, PharmD, BCPS
Clinical Pharmacy SpecialistClinical Pharmacy Specialist
Banner Good Samaritan Medical CenterBanner Good Samaritan Medical Center
Phoenix, AZPhoenix, AZ
January 11, 2010January 11, 2010
DisclosureDisclosure
•• No financial disclosuresNo financial disclosures
2
ObjectivesObjectives
•• Review medication error epidemiologyReview medication error epidemiology
•• Evaluate barEvaluate bar--code technology studies impacting dispensing and code technology studies impacting dispensing and administration errorsadministration errors
•• Discuss types and severity of errors affected by barDiscuss types and severity of errors affected by bar--codingcoding
3
Technology Prevention Strategies
Electronic Medication Electronic Medication Administration RecordAdministration Record
BarBar--coded Medication coded Medication AdministrationAdministration
Automated MedicationAutomated MedicationDispensing MachineDispensing Machine
44
PrescribingPrescribing TranscriptionTranscription DispensingDispensing AdministrationAdministration
Computerized Physician Computerized Physician Order EntryOrder Entry
IV Infusion IV Infusion Safety PumpsSafety Pumps
Oren E. Am J Health Syst Pharm 2003;60:1447Oren E. Am J Health Syst Pharm 2003;60:1447--14581458
Medication Error EpidemiologyMedication Error Epidemiology
55
BackgroundBackground
•• 1.5 million patients harmed by medications in U.S. annually1.5 million patients harmed by medications in U.S. annually
•• Hospitalized patients at risk for medication errorsHospitalized patients at risk for medication errors
•• 19% of all medical errors were medication19% of all medical errors were medication--relatedrelated
•• 400,000 preventable ADEs per year400,000 preventable ADEs per year
(~1 medication error / patient / year)(~1 medication error / patient / year)
6
(~1 medication error / patient / year)(~1 medication error / patient / year)
•• 78% of medical errors in ICU associated with medications78% of medical errors in ICU associated with medications
•• 28% of ADEs estimated to be preventable28% of ADEs estimated to be preventable
•• Increased hospital length of stay, cost and mortalityIncreased hospital length of stay, cost and mortality
Bates DW. Am J Health Syst Pharm 2007;64(Suppl 9):S3Bates DW. Am J Health Syst Pharm 2007;64(Suppl 9):S3--S9S9
Rothschild JM. Crit Care Med 2005;33:533Rothschild JM. Crit Care Med 2005;33:533--540540
Leape LL. N Engl J Med 1991;324:377Leape LL. N Engl J Med 1991;324:377--384384
Bates DW. JAMA 1995;274:29Bates DW. JAMA 1995;274:29--3434
Overall Medication Error Rate: Distribution in Medication Use Process
Administration
38%
Prescribing
39%
77
Transcription
12%Dispensing
11%
Leape LL. N Engl J Med 1991;324:377Leape LL. N Engl J Med 1991;324:377--384384
Incidence of ICU Medication Errors:Distribution in Medication Use Process
77
60
80
100
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
Potential ADEs (n=110)Potential ADEs (n=110)
Actual Preventable ADEs (n=22)Actual Preventable ADEs (n=22)
88
Kopp BJ. Crit Care Med 2006;34:415Kopp BJ. Crit Care Med 2006;34:415--425425
28
5
34 34
0 0
23
0
20
40
60
Prescribing Transcription Dispensing Administration
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
Stage of the Medication Use ProcessStage of the Medication Use Process
Severity of ICU Medication Errors:Distribution in Medication Use Process
80
100
SeriousSerious
SignificantSignificant
FatalFatal
LifeLife--ThreateningThreatening
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
99
Kopp BJ. Crit Care Med 2006;34:415Kopp BJ. Crit Care Med 2006;34:415--425425
0
20
40
60
Prescribing Transcription Dispensing Administration
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
(n=48)(n=48) (n=5)(n=5) (n=37)(n=37) (n=42)(n=42)
BCMA Technology Impact:Published Data
1010
Medication Errors & Potential ADEs:Before and After BCMA Implementation
• Objective
• Evaluate BCMAs impact of on dispensing errors
• Methods
• 735-bed tertiary care academic center
• Before and after observational study
1111
• Before and after observational study
• Data collected over 20 month period
PoonPoon EG. Ann Intern Med 2006;145:426EG. Ann Intern Med 2006;145:426--434434
Medication Errors & Potential ADEs:Before and After BCMA Implementation
60
80
100Annual Error Prevention ProjectionsAnnual Error Prevention Projections
•• >13,500 dispensing errors>13,500 dispensing errors
•• >6000 potential ADEs>6000 potential ADEs
p<0.0001p<0.0001
36%36%ReductionReduction
1.0
0.8
0.6
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
1212
PoonPoon EG. Ann Intern Med 2006;145:426EG. Ann Intern Med 2006;145:426--434434
0
20
40
60
Dispensing Error Rate Potential ADE Rate
PrePre--Bar Code PeriodBar Code Period PostPost--Bar Code PeriodBar Code Period
p<0.0001p<0.0001
63%63%ReductionReduction
0.6
0.4
0.2
0
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
Medication Errors in the ICU:Before and After BCMA Implementation
• Objective
• Measure the impact of BCMA on medication
administration error rates in MICU
• Methods
• 744-bed community, teaching hospital
1313
• 744-bed community, teaching hospital
• 38-bed MICU
• Direct observation technique
DeYoungDeYoung JL. Am J Health JL. Am J Health SystSyst PharmPharm 2009;66:11102009;66:1110--55
Incidence of Medication Errors:Impact of BCMA in the ICU
• Before BCMA
• n=47 patients
• 153 errors / 775 administrations
p<0.001
19.720
25
30
35
40
Inc
ide
nc
e (
%)
14
• 153 errors / 775 administrations
• After BCMA
• n=45 patients
• 60 errors / 690 administrations
DeYoungDeYoung JL. Am J Health JL. Am J Health SystSyst PharmPharm 2009;66:11102009;66:1110--55
Before After
19.7
8.7
0
5
10
15
20
Implementation Phase
Inc
ide
nc
e (
%)
Type of Error
p<0.001
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
15
Wrong Time
DeYoungDeYoung JL. Am J Health JL. Am J Health SystSyst PharmPharm 2009;66:11102009;66:1110--55
Omission Wrong Drug Documentation
p=NS
p=NS
p=NS
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
BCMA Impact on Medication Errors:ICU vs. General Ward
• Objective
• Measure the impact of BCMA on administration
error rates in multiple patient care areas
• Methods
• Prospective, observational study
16
• Prospective, observational study
• 386-bed academic teaching hospital
• Multiple patient care areas
• 2 medical-surgical wards
• MICU
• SICU
Helmons PJ. Am J Health Syst Pharm 2009;66:12021210Helmons PJ. Am J Health Syst Pharm 2009;66:12021210
Overall and “Wrong-Time” Error Types:ICU vs. General Ward
p=NS
p=NSOverall• No difference in error rate (ICU or non-ICU)
General Ward• Increase in “wrong-time
errors” after BCMA• 58% decrease after BCMA
17
Helmons PJ. Am J Health Syst Pharm 2009;66:12021210Helmons PJ. Am J Health Syst Pharm 2009;66:12021210
(excluding “wrong-time”errors)
ICU• No differences
Types of Errors Excluding “Wrong-Time”:ICU vs. General Ward
General Ward• Decrease in “omission” errors
(p<0.0001)• Decrease in “drugs not available” errors
(p<0.05)
ICU
18
Helmons PJ. Am J Health Syst Pharm 2009;66:12021210Helmons PJ. Am J Health Syst Pharm 2009;66:12021210
• No differences
Severity of Drug Administration Errors
• Objective
• Evaluate the severity of potential medication errors
during administration phase intercepted by BCMA
• Methods
• 6 community hospitals
1919
• 6 community hospitals
• Same BCMA system
• Multidisciplinary reviewing panel (n=6)
• Medication Errors classified by severity
• Minimal
• Moderate
• Severe
SakowskiSakowski J. Am J HealthJ. Am J Health--SystSyst PharmPharm 2008;65:16612008;65:1661--16661666
Results
• Overall severity
• 945 total errors detected
• 9% (n=81) were “Moderate” or “Severe”
• “Moderate” or “Severe” errors by type
• 21% “no order”
2020
• 21% “no order”
• 9% “discontinued or expired order”
• 4% “dose early”
• 4% “wrong dose”
• Errors involving “high-alert” medications
• 20% = insulin, narcotics, potassium, sodium, anticoagulants
• Narcotics most common of “high-alert” drugs (74%)
SakowskiSakowski J. Am J HealthJ. Am J Health--SystSyst PharmPharm 2008;65:16612008;65:1661--16661666
Conclusion
• Types of errors impacted by BCMA varied between ICU and non-ICU patient care areas
• Although the clinical significance of “wrong-time” errors remains controversial, BCMA has the potential reduce other clinically important medication errors
• Medication errors still occur despite BCMA suggesting the
21
• Medication errors still occur despite BCMA suggesting the necessity for continued process improvement and further system changes to compliment this technology
• Studies limited by low baseline prevalence of medication error
• Dispensing and administration errors were significantly decreased with BCMA technology
QuestionsQuestions
22
Incidence of Medication Errors:Intensive Care Unit vs. General Ward
30
40
50
ICUICU General WardGeneral Ward
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
p=NSp=NS
p=NSp=NS
2323
Cullen D. Cullen D. CritCrit Care Med 1997;1289Care Med 1997;1289--12971297
0
10
20
30
Prescribing Transcription Dispensing Administration
Stage of the Medication Use ProcessStage of the Medication Use Process
Pe
rce
nta
ge
(%
)P
erc
en
tag
e (
%)
p=NSp=NS p=NSp=NS
Bar-code Medication Administration Technology Prevalence
30
40
Perc
enta
ge (
%)
Perc
enta
ge (
%)
U.S. Hospitals with BCMAU.S. Hospitals with BCMA
30
40
Perc
enta
ge (
%)
Perc
enta
ge (
%)
BCMA Acquisition PlansBCMA Acquisition Plans
2424
Pedersen C. Am J Health Syst Pharm 2008;65:2244Pedersen C. Am J Health Syst Pharm 2008;65:2244--22642264
0
10
20
30
2002 2005 2007 2008
Perc
enta
ge (
%)
Perc
enta
ge (
%)
YearYear
0
10
20
<1 >3 No Plan
Perc
enta
ge (
%)
Perc
enta
ge (
%)
Implementation Timeframe (Years)Implementation Timeframe (Years)11-- 33