The Anesthesia Closed Claims ProjectProject Manager, Anesthesia Closed Claims Project. ... In a...
Transcript of The Anesthesia Closed Claims ProjectProject Manager, Anesthesia Closed Claims Project. ... In a...
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Karen Posner, PhDResearch Professor of Anesthesiology and Pain Medicine
Laura Cheney Professor in Anesthesia Patient SafetyUniversity of Washington, Seattle, WA
Project Manager, Anesthesia Closed Claims Project
The Anesthesia Closed Claims Project
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DisclosuresSources of Funding• Anesthesia Quality Institute• American Society of Anesthesiologists• Society for Anesthesia and Sleep Medicine• Laura Cheney Endowment in Anesthesia
Patient Safety• Department of Anesthesiology & Pain
Medicine, University of Washington
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20%
40%
60%19
70-4
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
-13
40%
Trends in Death & Permanent Brain Damage
N=10,546
% o
f cla
ims
in y
ear
55-60%
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Outline• Brief history and introduction to the
Anesthesia Closed Claims Project• Trends in anesthesia malpractice claims
• Death/brain damage and respiratory events• Chronic pain management• Burns and OR fires
• Other topics• Conclusions
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Anesthesia Closed Claims Project: How It All Started
1980’s malpractice crisis:• Insurance difficult to obtain• Expensive: $41,000 (in 2015 dollars)
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Anesthesia Closed Claims Project: How It All Started
• 1985: ASA assigns project to the Committee on Professional Liability
• F.W. Cheney, M.D. , Committee Chair• Faculty at the Department of
Anesthesiology, University of Washington, Seattle
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Ellison “Jeep” Pierce, ASA President
Fred Cheney, Chair, ASA Committee on Professional Liability
Make it so!
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ASA Closed Claims ProjectObjectives
• Identify causes of anesthesia-related patient injury
• Identify liability risk patterns• Improve patient safety
Closed anesthesia malpractice claims:
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ASA Closed Claims Project:Data Collection
• Malpractice insurance companies provide access to claims
• ASA member anesthesiologists volunteer to review claims
• Database grows by ~250 claims/yr• Current database = 10,546 claims
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Anesthesia Closed Claims Project
• 35 insurers • 20 in active panel• Insure 13,000+
anesthesiologists• Organizations cover
~30% of practicing anesthesiologists in the U.S.
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Utility of Closed Claims Data
• Study of rare serious outcomes• Collection of sentinel events
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Sentinel Events Associated with Anesthesia
# ClaimsPermanent brain damage 1,035Spinal cord injury 694Airway injury 671Difficult intubation 530Aspiration of gastric contents 258Central venous catheter injury 220
Anesthesia Closed Claims N=10,546
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Utility of Closed Claims Data
• Study of rare serious outcomes• Collection of sentinel events• Identify areas of recurrent risk• Provide direction for in-depth
analysis• Snapshot of anesthesia liability
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Most Common Complications2000 or later
Death30% Other
38%
Other Complications
Airway injury 6%Emotional distress 6%Eye injury 4%Stroke 3%MI 3%Back pain 2%Pneumothorax 2%Newborn Injury 2%Headache 2%Awareness 1%
NerveDamage
22%
Permanent Brain
Damage10% N=10,546
Claims for dental damage are not included
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Malpractice Claims Data: Limitations and Bias
• No denominator for calculating risk
• Small subset of injuries• More severe, permanent
injuries• More substandard
anesthesia care
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How Have the Data Been Used?• Support ASA Standards of PracticePulse Oximetry for all anesthetics: 1990End tidal CO2 for verification of endotracheal
intubation: 1991Pulse oximetry in PACU: 1992
• Support for ASA Practice GuidelinesGuidelines for Management of the Difficult
Airway: 1993 Practice Advisory for the Prevention of
Perioperative Peripheral Neuropathies: 2000• Stimulate Research to Improve Patient Safety
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How Have the Data Been Used?• Support ASA Standards of PracticePulse Oximetry for all anesthetics: 1990End tidal CO2 for verification of endotracheal
intubation: 1991Pulse oximetry in PACU: 1992
Pulse Oximetry End Tidal CO2
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Endotracheal Intubation
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The Airway vs. The Esophagus
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Esophageal Intubation Claims in Year
0%
2%
4%
6%
8%
10%
1970
-75
1977
1979
1981
1983
1985
1987
1989
1991
1993
1995
1997
1999
2001
2003
2005
2007
2009
% E
soph
agea
l Int
ubat
ions
in Y
ear
2010
-13
N=10,811
3% - 8% per year
1% - 2% per year
New Monitoring Standards
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How Have the Data Been Used?• Support ASA Standards of PracticePulse Oximetry for all anesthetics: 1990End tidal CO2 for verification of endotracheal
intubation: 1991Pulse oximetry in PACU: 1992
EARLY RESULTS - IMPROVED PATIENT SAFETY:REDUCTION IN RESPIRATORY EVENTS
ASSOCIATED WITH DEATH AND BRAIN DAMAGE
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Trends in Death/Permanent Brain Damage and Respiratory Events
0%
20%
40%
60%19
70-4
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
-13
Death/Brain DamageRespiratory Events
N=10,546
% o
f cla
ims
in y
ear
New Monitoring Standards
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Types of Anesthesia Management2000 or later
SurgicalAnesthesia
65%
Chronic Pain
AcutePain
OB9%
8%18%
Closed Claims ProjectN=10,546
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Trends in Chronic Pain Over Time
0%
5%
10%
15%
20%
1970s 1980-84 1985-89 1990-94 1995-99 2000-04 2005-13
Pain Claims
% o
f cla
ims
in ti
me
perio
d
*p<0.001
n=670 n=1560 n=1405 n=1817 n=2059 n=1818 n=1102
N=10,546
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0%
5%
10%
15%
20%
25%Pain AnesthesiologistsPain Claims
% w
ithin
tim
e pe
riod
Trends in Chronic Pain Claims and Pain Medicine Anesthesiologists
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Outcomes in Chronic Pain Claimsby Decade
% o
f chr
onic
pai
n cl
aim
s in
dec
ade
0%
20%
40%
60%
80%
Temporary Minor Injury Severe Nerve Injury Death
1980s (n=95)1990s (n=436)2000s (n=534)*p<0.001
Closed Claims ProjectN=10,546
79%
45%29%
19%
6% 6%
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0%
10%
20%
30%
40% 1980s (n=95)1990s (n=437)2000s (n=505)
CervicalInjections
MedicationManagement
Implant, Maintain or
Remove Devices
Lumbar Injections
% o
f chr
onic
pai
n cl
aim
s in
deca
de
Anesthesiology 2015; 123:1133-41
Treatment Trends in Chronic Pain Claims
*
*
*
*p<0.01
*
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Drug overdose deaths in the United States hit record numbers in 2014
• The majority of drug overdose deaths (more than six out of ten) involve an opioid.
• From 2000 to 2014 nearly half a million people died from drug overdoses.
• 78 Americans die every day from an opioid overdose.• Overdoses from prescription opioid pain relievers are
a driving factor in the 15-year increase in opioid overdose deaths.
Centers for Disease Control and Prevention. CDC 24/7: Saving Lives, Protecting People
https://www.cdc.gov/drugoverdose/epidemic/
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What We Already know about This Topic Opioid prescribing is common in chronic pain management, yet legal claims
relating to such prescribing by anesthesiologists have not been reviewed.
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Outcomes in Medication Management Claims
Death, 57%
Other, 43%
Medication ManagementDeath,
9%
Other, 91%
Other Pain Claims
Fitzgibbon et al.: Anesthesiology 2010; 112:948-56
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n (%)Male 29 (57%)At least one risk factor 41 (80%)
Depression 23 (45%)Drug or alcohol problems 18 (35%)
Inappropriate MD management only 7 (14%)Patient compliance 12 (24%)Both physician and patient 23 (45%)
Medication Management forChronic Pain (n=51)
Fitzgibbon et al.: Anesthesiology 2010; 112:948-56
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Issues in Medication Management (n=51)
Others Issues18%
Both physician mismanagementand patient did not cooperate
45%
Patient did notcooperate in own care
24%
InappropriateMD management
only14%
Fitzgibbon et al.: Anesthesiology 2010; 112:948-56
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What We Already know about This Topic Opioid prescribing is common in chronic pain management, yet legal claims
relating to such prescribing by anesthesiologists have not been reviewed.What This Article Tells Us That Is New In a review of the American Society of Anesthesiologists Closed Claims
Database from 2005-2008, medication management represented 17% of claims in chronic pain
Malpractice claims in this area involved opioid prescribing, especially in young men with back pain, were commonly associated with patient and physician contribution, and often involved death
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Types of Anesthesia Management2000 or later
SurgicalAnesthesia
65%
Closed Claims ProjectN=10,546
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Burns from Warming Devices in AnesthesiaA Closed Claims AnalysisF.W. Cheney, M.D., K.L. Posner, Ph.D., R.A. Caplan, M.D., W.M. Gild, M.B., Ch.B., J.D.
• Maintenance of body temperature is an important part of anesthetic management
• Methods for temperature maintenance can cause burns• Few reports in the literature
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Burns from Warming Devices
Heated Material,
71%
Warming Devices,
29%
Cheney et al.: Anesthesiology 1994; 80:806-10
IV Bag/bottle 64%Hot compresses 7%
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Warming Devices Recurring Patterns
• Literature was “silent” on bags and bottles 1970-1993
• Bags and bottles: warmed in oven then applied to skin
• Controlled warming devices – associated factors
• Extremes of age• Applied to ischemic skin• Excess contact (e.g. “hosing”)
Cheney FW: Anesthesiology 1994; 80:806-10 Kressin KA: ASA Newsletter 2004; 68(6):9-11
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Burns from Warming Devices in AnesthesiaA Closed Claims AnalysisF.W. Cheney, M.D., K.L. Posner, Ph.D., R.A. Caplan, M.D., W.M. Gild, M.B., Ch.B., J.D.
Conclusions:• IV bags warmed in the OR oven represent a hazard to
anesthetized patients• IV bags are an inefficient method of patient warming• There seems little justification for their use
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Analysis of burns in malpractice claims before and after Cheney 1994 report
Kressin KA, et al: Burn injury in the OR: A Closed Claims Analysis. ASA Abstract A-1282, 2004.
OR Burns Follow-Up
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Trends in Burn Claims Over Time
0%
20%
40%
60%
80%
IV Bag orBottle
WarmingDevice
CauteryFire
CauteryBurn
Other
% o
f bur
n cl
aim
s in
tim
e pe
riod 1994 or Earlier
1995 and Later
* *
*
* p<0.05 between time periods
n=47 n=4 n=20 n=12 n=12 n=15 n=16 n=0 n=13 n=3
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OR Burns
• Cause of burns changed
• Cautery fires• Fire triad
• Oxygen• Alcohol prep• Cautery
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Fire TriadIGNITION SOURCE
(cautery, laser)
OXIDIZER(oxygen, nitrous oxide)
COMBUSTIBLESUBSTANCE
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Operating Room Fires A Closed Claims Analysis Sonya P. Mehta, M.D., M.H.S.,* Sanjay M. Bhananker, M.D., F.R.C.A.,† Karen L. Posner, Ph.D.,‡ Karen B. Domino, M.D., M.P.H.§ Anesthesiology 2013; 118:1133-9
What We Know about This Topic• The relative importance of factors contributing to operating room fires remains unclear
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0.0%0.5%1.0%1.5%2.0%2.5%3.0%3.5%4.0%4.5%5.0%
1985-89 1990-94 1995-99 2000-11
% o
f sur
gery
cla
ims
in ti
me
perio
d
*p<0.01**p<0.001 compared to preceding time period
*
**
Mehta SP: Anesthesiology 2013; 118:1133-9
Cautery Fires by Year of Event
N=10,093
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0.0% 0.3% 0.6% 0.9%
6%
11%
19%
31%
0%
5%
10%
15%
20%
25%
30%
35%
1985-89 1990-94 1995-99 2000-11
% o
f tot
al c
laim
s in
an
esth
etic
gro
up i
n tim
e pe
riod
GAMAC
N=10,093
Cautery Fire Trends Over Time by Anesthetic Technique
*p<0.05 compared to 1985-89
* *
***
**p<0.01 compared to 1995-99
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On-Patient Fires during Monitored Anesthesia Care (1985 or later)
101 (22%) of 463 MAC claims involved burns due to on-patient fires.
O2Electrocautery
was almost always the ignition source.
Supplemental Oxygenwas alwaysthe oxidizer.
Masks and drapes (not alcohol prep)were the most common fuel.
Closed Claims N=10,546
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ASA Practice Advisory for the Prevention and Management of OR Fires - Updated
• Place drapes open to room for O2 venting• Allow flammable skin prep to dry• Place moistened sponges near cautery• Surgeon to give notice before cautery use• STOP or reduce O2 delivery to minimum,
STOP nitrous oxide, WAIT a few minutes• Use LMA or ETT if high O2 requirement
Anesthesiology 2013; 118:271-90
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Reduce Oxidizer Risk
• Use “open draping” to avoid O2 build-up under drapes
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Operating Room Fires A Closed Claims Analysis Sonya P. Mehta, M.D., M.H.S.,* Sanjay M. Bhananker, M.D., F.R.C.A.,† Karen L. Posner, Ph.D.,‡ Karen B. Domino, M.D., M.P.H.§ Anesthesiology 2013; 118:1133-9
What We Know about This Topic• The relative importance of factors contributing to operating room fires remains unclearWhat This Article Tells Us That Is New• In evaluation of the Closed Claims database, electrocauterywas responsible for 90% of the fire claims• Most fire claims occurred in patients who had monitored anesthesia care with open oxygen delivery for upper chest, neck, and head procedures
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Other Recent Topics• Massive hemorrhage• Postoperative respiratory depression• Obstetrics• Situational awareness• Communication
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Lessons Learned• Study of rare events• Low cost• Improved patient safety
for specialty• Interaction with ASA’s
practice parameters• Respiratory monitoring
• Esophageal intubation detection
• End-tidal CO2 during sedation
• Oxygen/cautery fire risk
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Welcome to the Closed Claims Project and its Registries
▪ Closed Claims Project ▪ OSA▪ Anesthesia Awareness Registry ▪ NINS
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Thank you!
Questions?