gina m. signoracci, phd va visn 19 mirecc department of psychiatry, university of colorado school of...
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Gina M. Signoracci, PhDVA VISN 19 MIRECC
Department of Psychiatry, University of Colorado School of Medicine
2011 Boulder Community Mental Health
Traumatic Brain Injury and Suicidality:
Assessment & Prevention
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Overview
• TBI 101• Mechanisms of Injury• TBI Sequelae• TBI and Psychiatric Symptoms• TBI and Suicidality• Assessment & Prevention Strategies
Objectives
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Overview
TBI 101
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Overview
• Head Injury • Traumatic Brain Injury
Traumatic damage to any part of the head. The trauma may be extracranial or involve the cranium.
Damage to the brain triggered by externally acting forces. (Direct penetration, dynamic forces, or sustained forces, etc.)
Definitions
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OverviewTraumatic Brain Injury
• A bolt or jolt to the head or a penetrating head injury that disrupts the function of the brain. Not all blows or jolts to the head result in a TBI. The severity of such an injury may range from “mild” (a brief change in mental status or consciousness) to “severe” (an extended period of unconsciousness or amnesia) after the injury. A TBI can result in short- or long- term problems with independent function.
CDC 2005
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OverviewThe Scope of the Problem1.4 million injuries per year
(approximately 200 per 100,000 persons per year) Vast majority ~80%, are
graded as mild, with 100% survival
~10% are moderate, with 93% survival
~10% are severe, with only 42% survival
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OverviewBimodal Distribution and Highest Risk Age
Ages: 15 - 24
Ages: 65 - 75
Elderly adults – higher mortality rates
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OverviewTBI and Gender
Traumatic brain injury is more than twice as likely in males than in females
http://consensus.nih.gov/1998/1998TraumaticBrainInjury109html.htm
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OverviewLeading Causes of TBIFalls (28%)Motor Vehicle – Traffic Crashes
(20%)Assaults (11%) Langolis et al.
2004Blasts are the leading cause of
TBI for active duty military personnel in war zones DVBIC 2005
http://www.cdc.gov/ncipc/tbi/TBI.htm
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OverviewRisk Factors for Sustaining a TBIAlcohol/drugsFamilial discordLow SESUnemploymentLow educational statusPsychiatric symptomsAntisocial/Aggressive behaviorPrevious head injury (12%)
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OverviewTraditional Mechanism
vs.Blast
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OverviewMechanism of Injury (Traditional)
Thanks John Kirk, Ph.D.
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OverviewBlast Injury• Blast injuries are injuries that result from the complex
pressure wave generated by an explosion. o The explosion causes an instantaneous rise in
pressure over atmospheric pressure that creates a blast overpressurization wave
• Air-filled organs such as the ear, lung, and gastrointenstinal tract and organs surrounded by fluid-filled cavities such as the brain and spinal are especially susceptible to primary blast injury
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OverviewBlast Injury Continued
Primary – Barotrauma
Secondary – Objects being put into motion
Tertiary – Individuals being put into motion
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OverviewInjury Severity
Mild Moderate Severe
Altered or LOC<30 minutes with normal CT and/or MRI
LOC<6 hours with abnormal CT and/or MRI
LOC>6 hours with abnormal CT and/or MRI
GCS 13-15 GCS 9-12 GCS<9
PTA<24 hours PTA<7 days PTA>7days
Department of Veterans Affairs 2004
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Overview
Mild TBI Short- and Long-Term Effects
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OverviewCommon Symptoms
• Headache • Poor concentration• Memory difficulty• Irritability• Fatigue
• Depression• Anxiety• Dizziness• Light sensitivity• Sound sensitivity
Immediately post-injury 80% to 100% describe one or more symptoms
Levin et al., 1987
Ferguson et al., 1999, Carroll et al., 2004
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OverviewMost individuals return to baseline functioning within 3 months to 1 year
7% to 33% have persistent symptoms
Belanger et al., 2005
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Overview
TBI Sequelae
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OverviewMotor and Sensory Deficits
• Slowed motor response (often due to processing delay vs. motor deficit)
• Paralysis, disturbed balance and coordination, ataxia, tremors, parkinsonism, bradykinesia, and weakness
• Distorted pain, touch, temperature and positional information
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OverviewCommon Neuropsychological
Complaints Disordered consciousness Disorientation Memory deficits Decreased abstraction Decreased learning ability Language/communication
deficits Poor judgment Poor quality control Inability to make decisions Poor initiative Poor depth perception Dizziness
General intellectual deficits Deficits in processing/sequencing
information Illogical thoughts Perseveration Confabulation Difficulty with generalization Poor attention Fatigue Reduced motor speed/poor hand
eye coordination Visual neglect
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OverviewCommon Behavioral Complaints
• Restlessness• Agitation• Combativeness• Emotional Lability• Confusion• Hallucinations• Disorientation
• Paranoid Ideation• Hypomania• Confabulation• Irritability• Impulsivity• Egocentricity
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OverviewCommon Behavioral Complaints Continued
• Impaired Judgment• Impatience• Depression• Hypersexuality• Hyposexuality• Dependency• Silliness
• Aggressiveness• Apathy• Immaturity• Disinhibition• Loss of interest• Anxiety
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Overview
TBI and Psychiatric Symptoms
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Overview
Hibbard et al. 1998 - Thanks John Kirk, PhD
100 Patients S/P TBI - MoodAxis I Disorder Before TBI Post TBI Base RateMajor Depression
17% 61% 6%
Dysthymia 1% 3% 3%
Bipolar Disorder 0% 2% 1%
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OverviewDepression• Frequency of Depressive Disorder – 6% to 77% Robinson and Jorge 2005
• 1 month s/p TBI (mostly moderate TBI sample) – 26% of patients developed major depression– 3% minor depression Jorge et al. 1993
• After 1 year s/p TBI (mostly moderate TBI sample)– 25% rate of depression with some patients recovering and others
developing delayed onset Jorge et al. 1993
20% - 40% of individuals affected at any point in time during the first year, and about 50% of people
experiencing depression at some stage
Fleminger et al. 2003
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OverviewTBI Specific Suicide Risk Factors
1-800-273-TALK (8255)Press 1 for Veterans
www.suicidepreventionlifeline.org
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Overview
Simpson and Tate 2002
Role of Pre-injury vs. Post-Injury Risk Factors
Post-injury psychosocial factors, in particular the presence of post injury emotional/psychiatric
disturbance (E/PD) had far greater significance than pre-injury vulnerabilities or injury variables, in
predicting elevated levels of suicidality post injury.
Higher levels of hopelessness were the strongest predictor of suicidal ideation, and high levels of
SI, in association E/PD was the strongest predictor of post-injury attempts.
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OverviewRisk Factors: Continued
Work
Finances
Marital Relationships
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OverviewTBI and Suicide Attempts
Silver et al. (2001) In a community sample, those with TBI reported higher frequency of suicide attempts than those without TBI (8.1% vs. 1.9%).
Even after adjusting for sociodemographic factors, quality of life variables, and presence of co-existing psychiatric disorder.
1-800-273-TALK (8255)
www.suicidepreventionlifeline.org
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Overview
Median time from injury to suicide 3 to 3.5 years for all three groups.
Cases were followed - up to 15 years and no particular period of “greater risk” was identified.
Teasdale and Engberg 2001
Mean period of 5 years for post-injury suicide attempts.
Simpson and Tate 2002
How long do you need to keep assessing for suicidal behavior?
FOREVER
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Overview
Inclusive Assessment & Prevention Strategies
Can be used with everyone!
1-800-273-TALK (8255)www.suicidepreventionlifeline.org
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OverviewMaintain an evenly paced dialogue
Maintain a neutral and supportive disposition
Use the patient’s language
Take short breaks to prevent overwhelm
Write things down/draw things out (Including ABCs, Timelines, Sequence of Events)
Utilize visual cues (Including posting safety plans, pictures representing protective factors, inspirational quotes in easy to see/highly used areas)
1-800-273-TALK (8255)www.suicidepreventionlifeline.org
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OverviewIncorporate supports proactively (regular/scheduled check-ins, appointments, etc)
Ask patient to provide summaries regarding assessment of self & planning strategies
Role-Play engaging in coping strategies and safety planning
Utilize patient identified coping strategies and work collaboratively to design implementation