suicide: risk assessment
DESCRIPTION
Suicide: Risk Assessment. M. Nadeem Mazhar MBBS, MRCPsych , FRCPC, DABPN. Objectives. Study definitions and demographic factors associated with suicide Assess suicide risk factors and protective factors Review management of suicidal patient. Introduction & Epidemiology. - PowerPoint PPT PresentationTRANSCRIPT
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Suicide: Risk AssessmentM. Nadeem MazharMBBS, MRCPsych, FRCPC, DABPN
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Objectives
• Study definitions and demographic factors associated with suicide
• Assess suicide risk factors and protective factors• Review management of suicidal patient
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INTRODUCTION & EPIDEMIOLOGY
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Suicide and Psychiatrists
“ It is a clinical axiom that there are two kinds of psychiatrists- those who have had patients complete suicide and those who will”
(Preventing Patient Suicide: Clinical Assessment and Management)
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Suicide- Importance in Psychiatry• Suicide risk assessment is a core competency that
psychiatrists are expected to acquire• Most common cause of malpractice suits for psychiatrists
in U.S.A.• Patient suicides are among the most traumatic events in
a psychiatrist’s professional life
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Suicide- definitions
• Suicide: Self inflicted death with evidence (either explicit or implicit) that the person intended to die
• Suicidal ideation: Thoughts of engaging in behavior intended to end one’s life
• Suicide plan: Formulation of a specific method through which one intends to die
• Suicide attempt: Engagement in potentially self-injurious behavior in which there is at least some intent to die
• Suicidal intent: Subjective expectation and desire for a self destructive act to end in death
• Deliberate self harm: Willful self-inflicting of painful, destructive or injurious acts without intent to die
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Suicide Statistics- Canada2004 2005 2006 2007 2008 Both sexes suicide rate per 100,000 populationAll ages1 11.3 11.6 10.8 11.0 11.110 to 14 1.3 2.0 1.5 1.6 1.215 to 19 9.9 9.9 7.0 8.3 9.220 to 24 12.1 13.2 11.7 12.8 11.225 to 29 12.7 10.4 10.6 12.6 11.230 to 34 14.2 12.7 10.9 10.7 11.635 to 39 16.2 16.1 13.5 14.1 13.740 to 44 14.9 18.0 15.5 15.2 17.645 to 49 17.4 18.2 17.1 18.0 17.050 to 54 17.6 17.7 15.6 16.7 16.655 to 59 14.3 14.6 15.7 14.6 15.760 to 64 12.0 11.0 13.2 11.8 12.465 to 69 10.3 11.6 11.8 9.0 10.870 to 74 10.3 9.5 9.9 9.7 10.875 to 79 10.3 13.1 12.8 11.5 11.180 to 84 10.3 10.5 9.7 11.6 10.185 to 89 11.8 9.6 11.3 11.4 10.790 and older 6.9 7.6 11.2 7.5 10.9
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Gender & Suicide Rate in Canada
Year Rate in males (per 100,000)
Rate in females (per 100,000)
2008 16.8 5.5
2007 16.7 5.3
2006 16.7 5.0
2005 17.9 5.4
2004 17.3 5.4
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Suicide- Statistics for Canada
• Most common method of completed suicide in Canada was suffocation, principally hanging. These account for 40 per cent of completed suicides.
• Poisoning, which includes drug overdoses and inhalation of motor vehicle exhaust, is the next most-common.
• Suicide rates for the immigrant population are about half those for the Canadian-born.
• The rate of suicide among Aboriginals is twice the national rate
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RISK & PROTECTIVE FACTORS
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Suicide- psychiatric disorders
• Most consistently reported risk factor• All psychiatric disorders, except for mental retardation,
associated with increased risk• >90% of people with completed suicide have a
psychiatric diagnosis• Severity of psychiatric illness is associated with risk of
suicide
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Suicide- psychiatric disorders
• Increased risk with multiple psychiatric comorbidities• 41% of suicide occurring with in a year of psychiatric in-
patient hospitalization• Greatest risk in early post discharge period- 1st day> 1st
week> 1st month
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Mood disorders and suicide
• Account for 45% to 77% of suicides• Lifetime risk: 15%• Comorbid alcoholism• Anxiety, global insomnia, anhedonia, hopelessness and
diminished conc.• Greater in MDD with melancholic features• Bipolar depression> Bipolar mixed
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Alcohol related disorders and suicide• Lifetime risk: 3.4% to 15%• 25% of U.S. suicide victims have alcohol related diagnosis• Increased risk with co-morbid depressive and personality
disorder• Disinhibition and poor adherence
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Schizophrenia and suicide
• Lifetime risk: 4% to 10%• Young males• Depressive recovery phase• Good premorbid functioning• Command hallucinations• Greater risk in Schizoaffective disorder
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Psychiatric disorders and suicide• Lifetime risk for suicide in PD: 3% to 9%• Suicidal ideation and attempts increased in panic
disorder• Risk increased in Eating disorders- especially co-
occurrence with depression and deliberate self harm• ADHD and conduct disorder
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Anxiety and suicide
• Increased risk with anxiety symptoms• Severe psychic anxiety• Panic attacks• Agitation• Address anxiety with psychotherapeutic and
pharmacological approaches
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Hopelessness and suicide
• Negative expectation for the future• Being devoid of hope• High degree of hopelessness associated with increased
risk of suicidal ideation, intent, attempts & completed suicides
• Association with lethality of attempt• Interventions to reduce hopelessness may decrease
suicide potential
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Command hallucinations and suicide• Extremely limited evidence• 40%- 80% rates of compliance with auditory command
hallucinations • Patients with prior suicide attempts more likely to follow
commands• Important to identify and address
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Impulsivity/aggression and suicide• Increased levels of impulsiveness and aggression in
suicide attempters• Cluster B personality disorders
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Past suicide attempts
• Suicide attempt is associated with a 38 fold increase in suicide risk
• Association of method of attempted suicide with subsequent successful suicide- highest risk with hanging, strangulation or suffocation
• 6% to 27.5% of suicide attempters will eventually die by suicide
• 1% of suicide attempt survivors commit suicide with in a year
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Psychiatric disorders and previous suicide attemptsCONDITION ESTIMATED LIFETIME SUICIDE RISK %
Previous suicide attempts 27.5
Bipolar disorder 15.5
Major depression 14.6
Panic disorder 7.2%
Schizophrenia 6.0
Personality disorders 5.1
Alcohol abuse 4.2
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Suicide- marital status
• Risk varies with marital status• Widowed/divorced> never married> married without
children> married with children• Living alone increases the risk
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Suicide- occupation• Higher risk in Dentists/Physicians> Nurses> Social
workers> Scientists and Mathematicians> Artists• Armed forces, farmers and students• Factors implicated include work related stresses, social
isolation and greater access to lethal methods
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Suicide in Physicians
• Increased risk in Physicians: Relative suicide risk 1.1 to 3.4 for males, 2.5 to 5.7 for female physicians
• Psychiatrists at high risk• Association with depression and substance abuse
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Suicide- Physical HealthDisorder SMR
AIDS 6.58Epilepsy 5.11Spinal cord injury 3.82Brain injury 3.50Huntington’s chorea 2.90Cancer 1.80
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Suicide – family history
• Positive family history increases risk• Six fold increase with first degree relative’s suicide• Higher concordance in identical twins• Greater risk among biologic relatives• Heritability of suicide is 30-50%
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Suicide and antidepressants
• FDA’s ‘black box’ warning for antidepressants-2004• Analysis of 24 short term (4 to 16 weeks) RCT’s showing
small increase in risk of suicidal thoughts or behavior on antidepressants (RR 1.95, 95% CI 1.28-2.98)
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Suicide and antidepressants
• Greatest risk in first few weeks• No completed suicides• TADS: Comparison of fluoxetine, CBT, fluoxetine + CBT
and placebo. Significant decrease in suicidal thinking in all groups
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Suicide and antidepressants
• Impact of FDA warning- fewer antidepressant prescriptions in children and adolescents
• 1985 suicides in patients aged 10 to 19 years in 2004 versus 1737 in 2003 (CDC)
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Suicide and antidepressants
• In Netherlands, 49% increase in children & adolescents suicide rate between 2003-2005 & 22% decrease in SSRI prescriptions
• Following Health Canada’s regulatory warning, 14% decline in antidepressant prescriptions and 25% increase in completed suicides
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Suicide and antidepressants
• Bulk of evidence suggests that benefits of antidepressants outweigh the risks
• Children & adolescents on antidepressants need to be closely monitored for suicidal ideation
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Psychotropics and suicide
• Association of sedatives and hypnotics use with suicide in elderly
• Boxed warnings for smoking cessation drugs- Varenicline and Bupropion
• Psychotropics induced akathisia
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Suicide- other factors• Economic downturns: 2-4 times increased risk in
unemployed• Higher rates of suicide attempts in gay, lesbian or
bisexual• Increased rates in prisoners• Increase in suicide rate with history of childhood abuse• Domestic partner violence- increased risk of suicide
attempts
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Hierarchy of evidence- risk factorsSystematic reviews (meta-analysis):• Psychiatric diagnosis (Harris et al. 1997)• Physical illness (Harris et al. 1994)Cohort studies:• Deliberate self harm (Cooper et al. 2005)• Anxiety (Fawcet et al. 1990)• Child abuse (Brown et al. 1999)Case-control studies:• Impulsivity and aggression (Dumais et al. 2005)• Melancholia (Grunebaum et al. 2004)• Co-morbidity (Beautrais et al. 1996)(Preventing Patient Suicide: Clinical Assessment and Management)
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Suicide- protective factors• Children in the home• Sense of responsibility to the family• Pregnancy• Religiosity• Life satisfaction• Reality testing ability• Positive coping skills• Positive problem solving skills• Positive social support• Positive therapeutic relationships(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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ASSESSMENT AND MANAGEMENT OF SUICIDAL PATIENT
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Indications of suicide risk assessment• ER or crisis evaluations• Intake evaluation• Before change in observation status or treatment setting• Gradual worsening despite treatment• Significant psychosocial stressor• Onset of a physical illness
(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Suicide risk assessment
• Collateral information• Identify psychiatric signs and symptoms• Past suicidal behavior• Past treatment history• Family history• Current psychosocial stressors• Psychological strengths and vulnerabilities• Current suicidal ideation • Low predictive value of actuarial scales
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Management of suicidal behavior• Establishing therapeutic alliance• Determining the appropriate treatment setting• Interventions to reduce risk
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Admission generally indicated
After a suicide attempt if:• Patient is psychotic• Attempt was violent or premeditated• Precautions were taken to avoid discovery• Persistent plan/intent is present• Increased distress or patient regrets surviving• Patient is male, older than age 45 years, especially with new
onset of psychiatric illness or suicidal thinking• Limited family and social support• Current impulsive behavior, severe agitation & poor judgment(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Admission generally indicated
In the presence of suicidal ideation with:
• Specific plan with high lethality• High suicidal intent
(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Substantive criteria for involuntary admission• Varies according to jurisdiction• Mentally ill• Dangerous to self or others• Unable to provide for basic needs
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Possible release from ED with follow up • After suicide attempt is a reaction to a precipitating event if
patient’s view of situation has changed• Method have low lethality• Stable and supportive living situation• Patient able to cooperate with recommendations for follow
up
(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Outpatient treatment may be preferable• Chronic suicidal ideation without prior medically serious
attempts with safe/supportive living situation and ongoing psychiatric follow up
(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Examples of treatable risk factors• Depression• Anxiety/panic attacks• Psychosis• Insomnia• Substance abuse• Impulsivity• Agitation• Situation (e.g. family, work)• Lethal means (e.g. guns, drugs)
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Role of medications
• Antidepressants• Lithium• Clozapine• Antianxiety agents• ECT
(APA Practice Guidelines for Assessment and Treatment of Patients with Suicidal Behaviors)
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Psychotherapies• Dialectical behavior therapy• Cognitive behavior therapy• Interpersonal therapy• Psychodynamic therapy
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Suicide- risk management
• Not much evidence for “suicide prevention or no harm” contracts
• Increase frequency of contact• Ongoing treatment of psychiatric disorders/substance
abuse• Communication with significant others
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Gun safety management
• Inquire about guns at home• Designate a willing responsible person to remove guns• Direct contact with designated person confirming
removal• Do not discharge suicidal patient till confirmation
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Suicide risk documentation• Risk assessment including documentation of
risk/protective factors• Record of decision making process• Record of communication with other clinicians and
family members• Medical records of previous treatment• Address firearms• Consultation in difficult cases
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Management of suicide
• Ensure victim’s records are complete• Communication with family• Support from senior colleagues• Consultation with risk manager
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References• American Psychiatric Association Practice guideline for the
Assessment and Treatment of Patients with Suicidal Behaviors (Nov.2003)
• Riba M., Ravindranath D. (2010). Clinical Manual of Emergency Psychiatry. Washington DC: American Psychiatric Publishing Inc.
• Runeson B et al. Method of attempted suicide as predictor of subsequent successful suicide: national long term cohort study. BMJ 2010;340: c3222
• Simon R. (2011). Preventing Patient Suicide- Clinical Assessment and Management. Washington DC: American Psychiatric Publishing Inc.
• Statistics Canada website accessed on May 12, 2012