alcohol and injury presented by the american college of surgeons committee on trauma trauma...
TRANSCRIPT
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ALCOHOL AND INJURY Presented by
The American College of Surgeons
Committee on Trauma
Trauma Prevention Series
© ACS 2000© ACS 2000
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OVERVIEW
• Leading cause of death between 1 and 40 years of age
• 80 percent teenage deaths
• 60 percent childhood deaths
• Increased risk in elderly
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STATISTICS
•Deaths = 150,000
•Injured = 70,000,000
•Temporarily disabled = 11,000,000
•Permanently disabled = 450,000
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TIP OF THE ICEBERG
• Death from injury is just the tip of the iceberg !
• Injury:2.6 million hospital discharges /year37 million emergency department visits/year
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CAUSES
TOTAL OF 150,000 DEATHS
•2/3 from unintentional traumaMotor vehicle crashesFallsWork-related accidentsRecreational and home mishaps
•1/3 from violence
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TRAUMAISNO
ACCIDENT!
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ALCOHOL CONSUMPTION
People who reported drinking in the past month
• >60% of those aged 21-49 years• 70% of men 26-34 years of age• 54% of women 26-34 years of age
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RISK• Those who drink have a greater
chance of dying from injury and sustaining nonfatal injury
• Even those who drink at “relatively low levels” (1 drink/day) are at greater risk of injury
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CONTRIBUTORY ROLEOF ALCOHOL
• 40% of motor vehicle crash deaths involve alcohol
• 40% of pedestrians killed had been drinking
• The deadly triad:AlcoholMinor grievanceWeapon
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MAGNITUDE OF PROBLEM
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ALCOHOL IS A
DRUG
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COMMON MISCONCEPTION
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AN UNUSUAL DRUG
• Requires no digestion
• Is rapidly and completely absorbed from stomach and upper intestine
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CONCENTRATES IN THE BRAIN
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EFFECTS ON REACTIONS
• First effects are on the brain, including:ThinkingJudgmentReasoningReflex activityControl
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EFFECTS ON OPERATION OF MOTOR VEHICLE
• Shortens attention span
• Slows reaction time
• Decreases performance of motor tasks
• Causes misconceptions
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EFFECTS ON BEHAVIOR
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FATE OF INGESTED ALCOHOL
METABOLIZED BY:
Liver (80%)
Lungs/kidneys (10%)
Other sites (10%)
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HOW THE LIVER METABOLIZES ALCOHOL
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ALCOHOL METABOLISM
• Rate is limited
• Equivalent to approximately 1 drink per hour
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RELATIONSHIP OFNUMBER OF DRINKS AND
BLOOD ALCOHOL CONCENTRATION
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RELATIONSHIP OF BLOOD ALCOHOL CONCENTRATION AND
CRASH RESPONSIBILITY
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CARNAGE ON THE HIGHWAY
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ALCOHOL AND TRAUMA
• Emergency department patients with positive blood alcohol concentrations (100 mg/dL or less):
15%-25% of total
• Trauma center patients with positive blood alcohol concentrations:
26%-52% of men14%-42% of women
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ALCOHOL,OTHER DRUGS,AND TRAUMA
• 50% of the time, other illicit drugs are used with alcohol:
Marijuana (3%-37%)Cocaine (5%-34%)Opiates (12%-17%)
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PREVENTION STRATEGIES
PRINCIPLE OF DETERRENCE
Certainty of detection is more is more effective than the severity of the punishment
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ALCOHOL ADDICTION
• Injury episode may be the first symptom of a treatable alcohol problem
• 15%-50% injured patients in the emergency department have alcohol dependence, compared with 7%-8% of the general population
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WHAT IS SOCIAL DRINKING?
• Moderate social drinking:No more than 2 drinks per day for menNo more than 1 drink per day for women
(National Institute on Alcohol Abuse and Alcoholism, 1995)
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ALCOHOL AND TRAUMA RECIDIVISM
• Five-year follow-up of 246 patients44% readmission rate20% mortality rate
• 77% of deaths were due to continuing substance abuse
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IDENTIFICATION OFSUBSTANCE ABUSE
• Injury episode is a great opportunity
• History of :Previous injury when under the influenceA drunk/impaired driving conviction
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LABORATORY TESTS
• Positive blood alcohol concentration
• Positive “tox screen”
• Abnormal liver function test
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QUESTIONNAIRES• CAGE (4 questions):
Cutting down on drinking?Annoyed by criticism?Guilt feelings?Eye opening ability?
• Audit (10 questions):Alcohol use disorders identification test
• BMAST (10 questions):Brief Michigan Alcoholism Screening Test
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DOES INTERVENTION WORK?
• Of a total of 3,358 trauma patients, 2,524 were screened
–762 positive patients were randomized396 to control366 to intervention
–304 of 366 completed intervention
(Harborview Medical Center, 1999)
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DOES INTERVENTION WORK?
• 47% reduction in return to emergency department (1 year)
• 48% reduction in in-patient readmits (3 years)
• All other outcomes (traffic violations, DUI, arrests, and so on) less in intervention group
(Harborview Medical Center, 1999)
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SUMMARY
• Alcohol intervention has significant potential as injury prevention
• Actively promoting alcohol intervention may have a major impact on long-term health and future injury risk
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DRINKING AND DRIVINGDON’T MIX