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Anxiety Disorders

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Title: Anxiety Disorders


1
Anxiety Disorders
  • Brenda Roman, MDProfessor Department of
    Psychiatry

2
Objectives By the end of this presentation,
students will be able to
  • Define normal anxiety, fear and anxiety disorder
  • Describe and compare the diagnostic criteria and
    features for
  • Panic disorder with and without Agoraphobia
  • Agoraphobia
  • Generalized Anxiety Disorder
  • Social Phobia (Social Anxiety disorder)
  • Specific Phobia
  • Obsessive Compulsive Disorder
  • Post Traumatic Stress Disorder
  • Acute Stress Disorder
  • Explain the known biological correlates for
    anxiety, including regions in the brain and
    neurotransmitters involved
  • Describe basic clinical treatment for anxiety
    disorders

3
Anxiety Disorder case
  • A 26 year old female presents to the ER with
    complaints of chest pain, difficulty breathing,
    racing heart beat, and feelings of numbness and
    tingling in her fingers. She also feels
    nauseated, dizzy and experiences intense sweating
    during these attacks. She fears a heart
    attack, or that maybe she is going crazy.

4
Anxiety Disorder case
  • She has had several episodes like this over the
    last couple of months, but now they are getting
    worse and she fears going out in public because
    of these episodes.
  • She also fears that she may die, and is
    incredibly nervous that the doctors may miss
    something.

5
Anxiety Disorder case
  • She had been doing well in her new job after
    getting her MBA. Her boyfriend of 3 years had
    recently broken up with her, but she felt the
    break-up was in her best interest, so doesnt
    feel that has anything to do with these episodes.
  • Her father is a recovering alcoholic, and she
    knows her paternal grandmother worries a lot,
    fearful of germs and rarely leaves the home.

6
Anxiety Disorder case
  • Medical history is unremarkable. No medication
    allergies.
  • Medications oral contraceptives, which she has
    taken for six years without side effects, and a
    daily multivitamin with calcium.
  • While in college and graduate school, admitted to
    binge drinking on the weekends, but now only
    drinks a couple of beers a week as her job keeps
    her so busy.

7
Anxiety Disorder case
Based on the history presented, what do you think
the most likely diagnosis is?
  1. Adjustment Disorder with anxious features
  2. Acute Stress Disorder
  3. Generalized Anxiety Disorder
  4. Panic Disorder with Agoraphobia
  5. Social Anxiety Disorder

8
Introduction
Kessler 1994 Kessler 1995 DSM-IV-TR 2000
9
Definitions
  • Fear is in response to a known, external,
    definite threat
  • Anxiety is a response to an unknown threat, or
    is internal, vague or conflictual
  • Fear and anxiety are alerting signals, that
    evolved as part of fight or flight response as
    adaptive for self-preservation by helping to
    avoid danger
  • Normal anxiety
  • Pathological anxiety
  • Anxiety disorders occur when a high level of
    anxiety persists and/or recurs that interferes
    with social and occupational functioning

10
Types of Anxiety Disorders
  • Panic Disorder
  • With Agoraphobia
  • Without Agoraphobia
  • Agoraphobia
  • Generalized Anxiety Disorder
  • Social Phobia (Social Anxiety Disorder)
  • Specific Phobia
  • Obsessive Compulsive Disorder
  • Post Traumatic Stress Disorder
  • Acute Stress Disorder

11
1. Panic Disorder
12
1. Panic Disordersymptoms
  • A panic attack has at least 4 of the following
    symptoms
  • Paraesthesias
  • Hot flushes/chills
  • DerealizationDepersonalization
  • Fear of losing control or of going crazy
  • Fear of dying
  • Palpitations
  • Diaphoresis
  • Dyspnea
  • Feelings of choking
  • Chest pain
  • Nausea
  • Dizziness

13
1. Panic Disorderdiagnostic criteria
  • Discrete period of intense fear or discomfort
  • Develops abruptly
  • Peaks within 10 minutes, lasts 20 minutes to up
    to 8 hours
  • Not induced by a substance/medical illness
  • Up to 20 may have syncope during panic attack

14
1. Panic Disorder diagnostic criteria -
DSM-IV-TR
  • Need both
  • Recurrent unexpected panic attacks
  • At least one of the attacks has been followed by
    one month (or more) of
  • persistent concern about having additional
    attacks
  • worry about the implications of the attack or its
    consequences (e.g., losing control, having a
    heart attack, going crazy)
  • a significant change in behavior related to the
    attacks

15
1. Panic Disorder diagnostic criteria -
DSM-IV-TR
  • Can be with or without agoraphobia
  • The Panic Attacks are not due to the direct
    physiological effects of a substance or general
    medical condition
  • The Panic Attacks are not better accounted for by
    another mental disorder

16
1. Panic Disorder with Agoraphobia diagnostic
criteria - DSM-IV-TR
  • Anxiety about being in places or situations from
    which escape might be difficult or in which help
    may not be available in the event of a panic
    attack
  • Situations are avoided or endured with marked
    distress or require the presence of a companion
  • Not accounted for by another mental disorders

17
1. Panic Disorder with Agoraphobia situations
that provoke anxiety
Situation
Standing in line 96
Having appointment 91
Feeling trapped at a place 89
Increasing distance from home 87
Being at particular places in neighborhood 66
Having cloudy, depressing weather 56
18
1. Panic Disorder with Agoraphobia situations
that relieve anxiety
Situation
Being accompanied by spouse 85
Sitting near door in church 76
Focusing thoughts on something else 63
Taking the dog, baby carriage, etc., along 62
Being accompanied by friend 60
Reassuring self 52
Wearing sunglasses 36
19
1. Panic Disorder diagnostic features
20
1. Panic Disorder diagnostic features
  • AgeOnset usually mid 20s
  • 80 of panic patients develop it before age 30
  • rare after age 60

21
1. Panic Disorder diagnostic features
CourseRecurrent attacks
  • vary in frequency and intensity
  • panic-free intervals
  • total remission is uncommon

22
1. Panic Disorder diagnostic features
  • PrevalenceLifetime prevalence 0.5-3.0
  • 2-3 women
  • 0.5-1.5 of men have Panic disorder
  • Rates 3x higher in primary care patients
  • May be 50 of those seeking cardiology evaluation
  • 50 of those with normal cardiac catheterization
  • 50-60 have co-morbid psychiatric diagnoses

23
1. Panic Disorder diagnostic features
  • commonly reported symptoms

Symptoms
Fearfulness/worry 96
Nervousness 95
Palpitations 93
Muscle tension 89
Trembling 89
Apprehension 83
Dizziness 82
Fear of going crazy/dying 81
Light-headedness 80
Hot flushes/chills 80
Symptoms
Restlessness 80
Trouble breathing 80
Easy fatigability 76
Trouble concentrating 76
Irritability 74
Trouble sleeping 74
Chest pain 69
Numbness/tingling 65
Tendency to startle 57
Choking/smothering sensation 54
24
1. Panic Disorder differential diagnosis
  • Drugs
  • Caffeine
  • Aminophylline related compounds
  • Sympathomimetic agents
  • Monosodium glutamate
  • Stimulants/hallucinogens
  • Withdrawal from Etoh, Benzodiazepines, other
    sedative-hypnotics
  • Thyroid hormone
  • Antipsychotics

25
1. Panic Disorder differential diagnosis
  • Medical illness
  • Angina
  • Cardiac arrhythmias
  • Congestive heart failure
  • Hypoglycemia
  • Hypoxia
  • Pulmonary embolism
  • Severe pain
  • Thyrotoxicosis
  • Carcinoid
  • Pheochromocytoma
  • Ménière's disease

26
1. Panic Disorder differential diagnosis
  • Anxiety disorders
  • Major depression
  • Personality disorders
  • Adjustment disorder with anxious mood

27
1. Panic Disorder pathophysiology
  • Different substances induce panic
  • Isoproterenol (beta-agonist) ()
  • Yohimbine (alpha2-blocker)
  • CO2
  • Sodium Lactate
  • Theories of etiology based on inducers, but is
    unknown
  • Example 5 CO2 exposure leads to panic in
    susceptible individuals false suffocation
    alarm theory

CO2
28
1. Panic Disorder pathophysiology
  • Hereditary component
  • Risk is 20 for first degree relatives- Only 2
    in relatives of control subjects
  • Twin studies- 45 Concordance rate with
    identical twins - 15 concordance in
    non-identical twins
  • Psychological theories
  • Psychoanalytical-repression
  • Behavioral-conditioned response

29
1. Panic Disorder complications

Specialists are often consulted unnecessarily for
panic attacks
Specialty Target Symptoms
Pulmonology Shortness of breath, hyperventilation, smothering sensation
Dermatology Sweating, cold, clammy hands
Cardiology Palpitations, chest pain
Neurology Tingling, numbness, dizziness, light-headedness, depersonalization, derealization, tremulousness
Otolaryngology Choking sensation, dry mouth
Gynecology Hot flashes, sweating
Gastroenterology Nausea, diarrhea, abdominal pain
Urology Frequent urination
30
1. Panic Disorder treatment
  • Medications
  • Antidepressants
  • SSRIs, SNRIs treatment of choice
  • Safe, well tolerated
  • Tricyclic antidepressants, MAOIs
  • High potency Benzodiazepines
  • Clonazepam, alprazolam
  • Potentially habit forming
  • Cognitive-Behavioral Treatment
  • Cognitive/Behavioral Therapy for Panic DO
  • Agoraphobia-exposure therapy

31
2. Agoraphobia
32
2. Agoraphobiadiagnostic criteria
  • Anxiety about being in places or situations from
    which escape may be difficult or help not
    available
  • Situations typically avoided
  • Not accounted for by another disorder

33
3. Generalized Anxiety Disorder (GAD)
34
3. Generalized Anxiety Disorder (GAD) diagnostic
criteria - DSM-IV-TR
  • Excessive anxiety and worry occurring more days
    than not, for at least 6 months, about a number
    of events or activities.
  • It is difficult to control the worry
  • The anxiety and worry is associated with gt 3 of
    the following
  • restlessness / feeling keyed up / on edge
  • being easily fatigued
  • difficulty concentrating / mind going blank
  • irritability
  • muscle tension
  • sleep disturbance

35
3. Generalized Anxiety Disorder (GAD)diagnostic
features
  • Prevalence
  • 4-7 of general population
  • More common in women, African-Americans,
    patients younger than 30
  • Age
  • Onset often early 20s but may occur at any age

36
3. Generalized Anxiety Disorder (GAD)diagnostic
features
  • Course
  • Usually chronic, with fluctuating severity
  • One-quarter go on to develop Panic disorder
  • Often co-morbid depression or substance abuse
  • Many also meet criteria for social and specific
    phobia
  • Often presents with medical, not psychiatric
    complaints

37
3. Generalized Anxiety Disorder
(GAD)pathophysiology
  • Cause unknown
  • Non-genetic factors (such as life events)
  • More important than genetics
  • But does tend to run in families
  • Several different neurotransmitters may be
    involved
  • Norepinephrine, GABA, Serotonin
    in frontal lobe, and limbic
    system

38
3. Generalized Anxiety Disorder
(GAD)differential diagnosis
  • Same as for Panic disorder

39
3. Generalized Anxiety Disorder (GAD)treatment
  • Medication
  • Antidepressants (start low to minimize anxiety)
  • SSRIs/SNRI Escitalopram, Paroxetine,
    Venlafaxine
  • Tricyclics-work well, risk in overdose, side
    effects
  • Buspirone
  • Like antidepressants takes weeks to work
  • Benzodiazepines
  • Work well, but tolerance with long term use
  • Sedating tricyclic antidepressants
  • Work at low doses, but lots of side effects
  • Antihistamines
  • May work short term but dangerous in the elderly

40
3. Generalized Anxiety Disorder (GAD)treatment
  • Psychotherapy
  • Education
  • chronic disorder, with waxing and waning of
    symptoms
  • Psychodynamic
  • increases anxiety tolerance
  • Behavior Therapy
  • to help recognize and control symptoms
  • relaxation techniques, re-breathing exercises,
    progressive muscle relaxationhelpful,
    especially if symptoms mild

41
4. Social Phobia(Social Anxiety Disorder)
42
4. Social Phobia (Social Anxiety Disorder)
diagnostic criteria - DSM-IV-TR
  • A marked and persistent fear of one or more
    social or performance situations in which the
    person is exposed to unfamiliar people or to
    possible scrutiny by others. The individual fears
    that he/she will act in a way that will
    humiliating or embarrassing
  • Exposure to the feared social situation almost
    invariably provokes anxiety, which may take the
    form of a situationally bound or situationally
    predisposed panic attack

43
4. Social Phobia (Social Anxiety Disorder)
diagnostic criteria - DSM-IV-TR
  • The person recognizes that the fear is excessive
    or unreasonable
  • The feared social or performance situations are
    avoided or else are endured with intense anxiety
    or distress

44
4. Social Phobia (Social Anxiety Disorder)
diagnostic criteria - DSM-IV-TR
  • The avoidance, anxious anticipation, or distress
    in the feared social or performance situation
    interferes significantly with persons routine,
    occupational functioning, or social activities or
    relationships, or there is marked distress about
    having the phobia.

45
4. Social Phobia (Social Anxiety Disorder)
diagnostic features
  • Prevalence
  • Social phobia affects up to 12 of population
  • Females Males

46
4. Social Phobia (Social Anxiety Disorder)
diagnostic features
  • Age
  • Generally early in life shy
  • Mean age at onset is estimated to be in the
    mid-teens, although some report onset in early
    childhood

DSM-IV-TR 2000 Adapted from Schneier 1992
Ballenger 1998.
47
4. Social Phobia (Social Anxiety Disorder)
diagnostic features
  • Course
  • Social Phobia develops slowly and is chronic
  • Avoid public speaking, eating in public, riding
    public transportation, using public toilets
  • 1/8 develop substance misuse
  • 1/2 develop comorbid psychiatric disorder (like
    depression or another anxiety disorder)

48
4. Social Phobia (Social Anxiety Disorder)
complications
Katzelnick 2001
49
4. Social Phobia (Social Anxiety Disorder)
pathophysiology
Social Phobia tends to run in families
50
4. Social Phobia (Social Anxiety Disorder)
pathophysiology
The biology of Social Phobia is not well
understood
  • Dopamine may play a role
  • Historically patients with social phobia did
    better on MAOI (which have dopaminergic activity)
    than TCA (which have little dopaminergic
    activity)
  • Low levels of dopamine in CSF is linked to
    introversion
  • Functional brain imaging shows decreased striatal
    dopamine D2 receptors and decreased dopamine
    transporter binding

51
4. Social Phobia (Social Anxiety Disorder)
differential diagnosis
  • Other anxiety disorders
  • Mood disorders
  • Schizoid and avoidant personality disorders

52
4. Social Phobia (Social Anxiety Disorder)
treatment
  • Cognitive-Behavioral Therapy
  • Social Skills
  • Systematic Desensitization
  • Teach relaxation with gradually increasing
    anxiety producing situations
  • Flooding
  • Medication
  • Generalized subtype
  • SSRIs, SNRIs, M.A.O.I.'s, Benzodiazepines
    (high potency)
  • Performance subtype
  • Beta Blockers (but does not work in generalized
    type)

53
5. Specific Phobia
54
5. Specific Phobiadiagnostic criteria -
DSM-IV-TR
  • Marked or persistent fear that is excessive or
    unreasonable, cued by the presence or
    anticipation of a specific object or situation
  • Exposure to the phobic stimulus almost invariably
    provokes an immediate anxiety response, which
    may take the form of a situationally predisposed
    Panic Attack

55
5. Specific Phobiadiagnostic criteria -
DSM-IV-TR
  • The person recognizes that the fear is excessive
    or unreasonable
  • The phobic situation is avoided or else is
    endured with intense anxiety of distress
  • The avoidance, anxious anticipation, or distress
    in the feared situation interferes significantly
    with the persons normal routine, occupational
    functioning, or social activities or
    relationships, or there is marked distress about
    having the phobia

56
5. Specific Phobiadiagnostic features
  • Age
  • Onset usually childhood before age 12
  • Prevalence
  • 10-12 (common but rarely significantly
    impairing)
  • Females gt Males

57
5. Specific Phobiadiagnostic features
  • Course
  • Few seek treatment as symptom free when away from
    the feared object/situation, therefore simply
    avoid the feared object or situation
  • Patients see phobia as bothersome not
    pathological
  • Only 2-3 of psychiatric outpatients
  • Improve with advancing age/if chronic, rarely
    causes disability

58
5. Specific Phobiapathophysiology
  • Specific Phobia tends to run in families
  • Familial
  • 68 of Blood-Injury Phobics have relatives with
    the Same Phobia
  • The biology of specific phobia is not well
    understood

59
5. Specific Phobiapathophysiology
  • Behaviorist feel learning may play an important
    role
  • Predisposing Factors
  • Observing other undergo trauma/situation
  • Traumatic event for patient
  • Psychoanalysts feel phobias result from
    unresolved conflicts in childhood
  • Displacement and avoidance are the defense
    mechanisms used

60
5. Specific Phobiadifferential diagnosis
  • Other anxiety disorders
  • Mood disorders
  • Schizoid and avoidant personality disorders

61
5. Specific Phobiacommon phobias
  • Animals
  • Natural Environment (storms, heights)
  • Illness / blood-injury / fear of death
  • Situational (enclosed spaces, airplanes,
    elevators)
  • Other (avoidance of situations were may
    contract an illness or choke)

62
5. Specific Phobiatreatment
  • Behavioral Therapyexposure therapy
  • Flooding
  • Systematic desensitization
  • Medications
  • Benzodiazepine on prn basis if exposure to the
    stimulus is infrequent, yet predictableand
    causes significant distress if not ameliorated in
    some way.

63
6. Obsessive Compulsive Disorder(OCD)
64
6. Obsessive Compulsive Disorder (OCD)
diagnostic criteria - DSM-IV-TR
  • Requires obsessions or compulsions

Obsessions are
  • Recurrent and persistent thoughts, impulses, or
    images that are
  • Intrusive and inappropriate
  • Cause anxiety or distress
  • Not excessive worries about real-life problems
  • The patient attempts to ignore or suppress the
    thought or to neutralize them with some thought
    or action
  • Recognized as a product of their own mind

65
6. Obsessive Compulsive Disorder (OCD)
diagnostic criteria - DSM-IV-TR
  • Compulsions are
  • Repetitive behaviors or mental acts
  • Feels driven to perform in response to an
    obsession or according to rules that must be
    applied rigidly
  • The behaviors or mental acts are aimed at
  • Preventing or reducing distress or preventing
    some dreaded event or situation
  • But the behavior or acts are not connected in a
    realistic way with what they are designed to
    neutralize or prevent or are clearly excessive

66
6. Obsessive Compulsive Disorder (OCD)
diagnostic criteria - DSM-IV-TR
  • At some point during the course of the disorder,
    the person has recognized that the obsessions or
    compulsions are excessive or unreasonable
  • The obsessions or compulsions cause marked
    distress, are time consuming (take more that 1
    hour a day), or significantly interfere with the
    persons normal routine, occupational
    functioning, or usual social activities or
    relationships
  • Specify if with poor insight

67
6. Obsessive Compulsive Disorder (OCD)
diagnostic features
Obsessions
Multiple obsessions 72
Contamination 50
Pathological doubt 42
Somatic 33
Need for symmetry 32
Aggressive impulse 31
Sexual impulse 24
Compulsions
Checking 61
Multiple compulsion 58
Washing 50
Counting 36
Need to confess 34
Symmetry/precision 28
Hoarding 18
68
6. Obsessive Compulsive Disorder (OCD)
diagnostic features
  • Age
  • Onset usually late teens-early 20s
  • Most who develop it have it by age 30
  • Prevalence
  • 2-3 of general population world wide
  • MalesFemales

69
6. Obsessive Compulsive Disorder (OCD)
diagnostic features
  • Course
  • Onset typically gradual but may occur suddenly
    over 1 month in the absence of stressors but men
    have earlier onset
  • 70-80 concordance rate with depression

70
6. Obsessive Compulsive Disorder (OCD)
pathophysiology
  • 20 of first degree relatives have OCD
  • Another 15 have sub-clinical symptoms
  • Tourettes is often associated with OCD
  • Neurobiological model
  • OCD occurs more often in persons with various
    neurological disorders
  • Head trauma, epilepsy, Sydenhams chorea,
    Huntingtons chorea
  • Liked to
  • birth injury, abnormal EEG, Abnormal auditory
    evoked potentials, growth delays, abnormal
    neuro-psych testing, beta-streptococcal infections

71
6. Obsessive Compulsive Disorder (OCD)
pathophysiology
  • Biological Theories
  • Serotonin System
  • Drugs which down regulate the serotonin system
    help in treating the symptoms, but why they help
    is not understood
  • Cingulate System
  • PET Studies-increased glucose metabolism
  • In frontal lobe and basal ganglia (caudate)
  • Drugs reverse the hyper metabolism
  • Stimulating the Cingulum Produces OCD
  • Stereotactic Cingulotomy Effective in 40-50

72
6. Obsessive Compulsive Disorder (OCD)
differential diagnosis
  • Schizophrenia
  • Major Depression
  • PTSD
  • Hypochondriasis
  • Anorexia nervosa
  • Tourettes syndrome

73
6. Obsessive Compulsive Disorder (OCD) treatment
  • Behavioral TherapyExposure and response
    prevention
  • Most effective for treating compulsions,
    especially in combination with medication
  • Medication (10-12 weeks to work)
  • Serotonin Re-Uptake Blockers work (need higher
    dose-longer treatment course)
  • SSRIs, Clomipramine
  • ECT
  • Psychosurgery-stereotactic cingulotomy

74
7. Post Traumatic Stress Disorder(PTSD)
75
7. Post Traumatic Stress Disorder (PTSD)
diagnostic criteria - DSM-IV-TR
The person has been exposed to a traumatic event
in which both were present
  • The person experienced, witnessed or was
    confronted with an event that involved actual or
    threatened death or serious injury , or threat to
    the physical integrity of self or others
  • The persons response involved intense fear,
    helplessness or horror.

76
7. Post Traumatic Stress Disorder (PTSD)
diagnostic criteria - DSM-IV-TR
Re-experiencing Symptoms
  • The traumatic event is persistently
    re-experienced in one or more of the following
    ways
  • Recurrent intrusive-distressing recollections of
    the event
  • Recurrent distressing dreams of the event
  • Acting or feeling as if traumatic event were
    recurring
  • Intense psychological distress at exposure to
    internal or external cues of the traumatic event
  • Physiological reactivity on exposure to internal
    or external cues

77
7. Post Traumatic Stress Disorder (PTSD)
diagnostic criteria - DSM-IV-TR
Avoidance Symptoms
  • Persistent avoidance of stimuli associated with
    the trauma and numbing of general responsiveness
  • Markedly diminished interest or participation in
    significant activities
  • Feeling of detachment or estrangement from others
  • Restricted range of affect
  • Sense of a foreshortened future

78
7. Post Traumatic Stress Disorder (PTSD)
diagnostic criteria - DSM-IV-TR
Arousal Symptoms
  • Persistent symptoms of increased arousal (not
    present before the trauma), as indicated by two
    (or more) of the following
  • Difficulty falling or staying asleep
  • Irritability or outbursts of anger
  • Difficulty concentrating
  • Hypervigilance
  • Exaggerated startle response

79
7. Post Traumatic Stress Disorder (PTSD)
diagnostic criteria - DSM-IV-TR
  • Duration of symptoms gt 1 month
  • The disturbance causes clinically significant
    distress or impairment in social, occupational,
    or other important areas of functioning
  • Specify if
  • Acute if duration of symptoms is less than 3
    months
  • Chronic if duration of symptoms is 3 months or
    more
  • Delayed Onset if onset of symptoms is at least 6
    months after the stressor

80
7. Post Traumatic Stress Disorder (PTSD)
diagnostic features
  • Prevalence of PTSD
  • 7 of general population
  • Most common trauma
  • For men is combat
  • For women is sexual assault
  • Chance of developing PTSD after trauma
  • Cocoanut Grove fire 1942
  • 57 had PTSD one year later
  • 9/11 Attacks
  • South of 110th street 7.5 with PTSD
  • South of Canal street 20 with PTSD

81
7. Post Traumatic Stress Disorder (PTSD)
diagnostic features
  • Clinical Findings
  • PTSD usually begins soon after the trauma
  • Sometimes onset may be delayed months or years,
    and could be triggered by a remembering
  • Usually chronic and symptoms may fluctuate
  • Worsen during stressful periods

82
7. Post Traumatic Stress Disorder (PTSD)
diagnostic features
  • Course
  • Good prognostic signs
  • rapid onset of symptoms
  • good premorbid functioning
  • strong social support
  • absence of psychiatric and medical comorbidity
  • many develop comorbid problems
  • Major depression, other anxiety disorders,
    substance abuse problems

83
7. Post Traumatic Stress Disorder (PTSD)
pathophysiology
  • The major etiological event is the trauma in PTSD
  • Must be outside the range of normal human
    experience
  • More severe the stress, the greater chance of PTSD
  • Other factors in developing PTSD
  • Age more likely in children than adults
  • Prior psychiatric treatment increase chance of
    PTSD
  • Patients with good social support are less
    likely to develop PTSD than patients with poor
    social support

84
7. Post Traumatic Stress Disorder (PTSD)
pathophysiology
  • Biological abnormalities in PTSD
  • Decreased rapid eye movement latency in Stage IV
    sleep
  • Sustained levels of high emotional arousal can
    lead to dysregulation of the hypothalamic-pituitar
    y-adrenal axis
  • Noradrenergic and serotonergic pathways have
    been implicated in the genesis of PTSD
  • Brain imaging-reduced hippocampal volume,
    increased metabolic activity in the limbic system
    (amygdala)--may explain disturbed emotional
    memory in PTSD

85
7. Post Traumatic Stress Disorder (PTSD)
differential diagnosis
  • Major Depression
  • Adjustment disorder
  • Other Anxiety disorders
  • Panic disorder
  • Generalized Anxiety disorder
  • Acute stress Disorder
  • OCD
  • Depersonalization disorder
  • Factitious disorder
  • Malingering

86
7. Post Traumatic Stress Disorder (PTSD)
treatment
  • Medications
  • Antidepressants-best medication treatment
  • SSRIs helps all three symptom clusters, but
    generally are most effective when depressive
    symptoms accompany the PTSD symptoms
  • Benzodiazepines have abuse potential
  • Beta blockers immediately after the trauma may
    reduce later PTSD
  • Psychotherapy
  • Individual and Group developing a sense of
    safety and trust is important
  • Cognitive/behavioral is effective
  • Dynamic therapy can be helpful

87
8. Acute Stress Disorder
88
8. Acute Stress Disorderdiagnostic criteria -
DSM-IV-TR
  • The person has been exposed to a traumatic event
    in which both of the following were present
  • The person experienced, witnessed, or was
    confronted with an event that involved actual or
    threatened death or serious injury, or a threat
    to the physical integrity of self of
  • The persons response involved intense fear,
    helplessness or horror

89
8. Acute Stress Disorderdiagnostic criteria -
DSM-IV-TR
  • Either while experiencing or after experiencing
    the distressing event, the individual has three
    or more of the following dissociative symptoms
  • A subjective sense of numbing, detachment, or
    absence of emotional responsiveness
  • A reduction in awareness of his or her
    surroundings (e.g., being in a daze)
  • Derealization
  • Depersonalization
  • Dissociative amnesia (i.e., inability to recall
    an important aspect of the trauma)

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8. Acute Stress Disorderdiagnostic criteria -
DSM-IV-TR
  • The traumatic event is persistently reexperienced
    in at least one of the following ways
  • recurrent images
  • thoughts
  • dreams
  • illusions
  • flashback episodes or a sense of reliving the
    experience or distress on exposure to reminders
    of the traumatic event

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8. Acute Stress Disorderdiagnostic criteria -
DSM-IV-TR
  • Marked avoidance of stimuli that arouse
    recollections of the trauma (e.g., thoughts,
    feelings, conversations, activities, places,
    people)
  • Marked symptoms of anxiety or increased arousal
    (e.g., difficulty sleeping, irritability, poor
    concentration, hypervigilance, exaggerated
    startle response, motor restlessness)
  • The disturbance lasts for a minimum of 2 days and
    a maximum of four seeks and occurs within four
    weeks of the traumatic event

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8. Acute Stress Disordermiscellaneous
  • Little known about disorder
  • Highly correlated to severity of trauma
  • Treatment strategies not studied
  • Hoped that early ID and treatment may decrease
    PTSD symptoms later

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8. Acute Stress Disorderdifferential diagnosis
  • PTSD
  • Brief Psychotic disorder
  • Dissociative disorder
  • Adjustment disorder

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8. Acute Stress Disordertreatment
  • Early intervention helpful
  • Cognitive/behavioral approach
  • Fewer patients later met PTSD criteria
  • Medication
  • A brief course of benzodiazepines may be helpful
    to decrease anxiety and re-establish sleep
  • Beta blocker within 4 hours of trauma may be
    helpful
  • Epinephrine increases the laying down of memory

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Anxiety Disorders differential diagnosis
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Anxiety Disordersdifferential diagnosis
  • Whats the trigger?
  • Out of the blue (no trigger) Panic disorder
  • Reminder of trauma - PTSD
  • During a stressor/trauma - ASD
  • Fear of public embarrassment - Social Phobia
  • Fear of an event/object/being - Specific Phobia
  • Not able to perform compulsion - OCD
  • Chronic anxiety without panic attacks - GAD

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Disorder Definition Differential Diagnosis Age / Course Treatment
Panic Disorder Need both 1.Recurrent unexpected panic attacks 2. At least one of the attacks has been followed by one month (or more) of persistent concern about having additional attacks, worry about the implications of the attack or its consequences, or a significant change in behavior related to attacks. Anxiety Disorders Schizophrenia Major Depression Personality Disorders Adjustment Disorder with anxious mood Onset usually mid 20s. Recurrent attacks vary in frequency and intensity panic free intervals total remission is uncommon Medications antidepressants (SSRIs and SNRIs are treatment of choice) and high potency Benzodiazepines. Cognitive-Behavioral Therapy
Agoraphobia Anxiety about being in places or situations from which escape may be difficult or help not available. Situations typically avoided. Not accounted for by another disorder. Most people who develop agoraphobia have had panic attacks. Often become housebound as they are so terrified of not being able to get help should their panic become disabling. Anxiety about being in places or situations from which escape may be difficult or help not available. Situations typically avoided. Not accounted for by another disorder. Most people who develop agoraphobia have had panic attacks. Often become housebound as they are so terrified of not being able to get help should their panic become disabling. Anxiety about being in places or situations from which escape may be difficult or help not available. Situations typically avoided. Not accounted for by another disorder. Most people who develop agoraphobia have had panic attacks. Often become housebound as they are so terrified of not being able to get help should their panic become disabling. Anxiety about being in places or situations from which escape may be difficult or help not available. Situations typically avoided. Not accounted for by another disorder. Most people who develop agoraphobia have had panic attacks. Often become housebound as they are so terrified of not being able to get help should their panic become disabling.
Generalized Anxiety Disorder (GAD) Excessive anxiety and worry occurring more days than not, for at least 6 months, about a number of events or activities. It is difficult to control the worry. The anxiety and worry is associated with 3 of the following restlessness/feeling keyed up/on edge, being easily fatigued, difficulty concentrating/mind going blank, irritability, muscle tension, sleep disturbance Same as Panic Disorder Onset often early 20s but may occur at any age. Usually chronic, w/fluctuating severity ¼ go on to develop panic disorder, Often co-morbid depression or substance abuse, Many also meet criteria for social and specific phobia Often presents with medical, not psychiatric complaints Medications Antidepressants (start low to minimize anxiety), Buspirone (like antidepressants takes weeks to work), Benzodiazepines (work well but tolerance with long term use), Sedating tricyclic antidepressants (work at low doses but lots of side effects), Antihistamines (may work short term but dangerous in the elderly)
Social Phobia (Social Anxiety Disorder) A marked and persistent fear of one or more social or performance situations in which the person is exposed to unfamiliar people or to possible scrutiny by others. The individual fears that he/she will act in a way that will be humiliating or embarrassing. Exposure to the feared social situation almost invariably provokes anxiety, which may take the form of a situationally bound or situationally predisposed panic attack. Other Anxiety Disorders Mood Disorders Schizophrenia Schizoid and avoidant personality disorders Generally early in life shy, Mean age at onset is estimated to be in the mid-teens, although some report onset in early childhood. Social phobia develops slowly and is chronic, avoid public speaking, riding public transportation, using public toilets. 1/8 develop substance misuse, ½ develop co-morbid psychiatric disorder (i.e. depression or another anxiety disorder) Cognitive-Behavioral Therapy (social skills, systematic desensitization, flooding) Medications Generalized subtype (SSRIs, SNRIs, M.A.O.I.s, Benzodiazepines), Performance subtype (Beta Blockers), TCAs DO NOT work in Social Phobiat
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Disorder Definition Differential Diagnosis Age / Course Treatment
Specific Phobia Marked or persistent fear that is excessive or unreasonable, cued by the presence or anticipation of a specific object or situation. Exposure to the phobic stimulus almost invariably provokes an immediate anxiety response, which may take the form of a situationally predisposed Panic Attack Other anxiety disorders Mood disorders Schizophrenia Schizoid and avoidant personality disorders Onset usually childhood before the age of 12 Few seek treatment as symptom free when away from feared object/situation, therefore simply avoid the feared object or situation, Patients see phobia as bothersome not pathological, Only 2-3 of psychiatric outpatients, Improve with advancing age/if chronic, rarely causes disability Behavioral Therapy exposure therapy (flooding, systematic desensitization) Medications Benzodiazepines (on prn basis if exposure to the stimulus is infrequent, yet predictable and causes significant distress if not ameliorated in some way)
Obsessive-Compulsive Disorder (OCD) Requires obsessions or compulsions Obsessions recurrent and persistent thoughts, impulses or images (that are intrusive inappropriate, cause anxiety or distress, not excessive worries about real-life problems), the patient attempts to ignore or suppress the thought or to neutralize them with some thought or action Compulsions Repetitive behaviors or mental acts (feels driven to perform in response to an obsession or according to rules that must be applied rigidly), The behaviors or mental acts are aimed at preventing or reducing distress or preventing some dreaded event or situation, But the behavior or acts are not connected in a realistic way with what they are designed to neutralized or prevent or are clearly excessive. The person has recognized that the obsessions or compulsions are excessive, cause marked distress and are time consuming Schizophrenia Major Depression PTSDHypochondriasis Anorexia Nervosa Tourettes Syndrome Onset usually late teens-early 20s. Most who develop it have it by age 30. Onset typically gradual but may occur suddenly over 1 month in the absence of stressors but men have earlier onset. 70-80 concordance rate with depression Behavioral Therapy Exposure and response prevention (Most effective for treating compulsions, especially in combination with medication) Medications (10-12 weeks to work) Serotonin Re-Uptake Blockers work (need higher does-longer treatment course SSRIs, Clomipramine) ECT Psychosurgery-stereotactic cingulotomy
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Disorder Definition Differential Diagnosis Age / Course Treatment
Post-Traumatic Stress Disorder (PTSD) The person has been exposed to a traumatic event in which both were present 1. The person experienced, witnessed or was confronted with an event that involved actual or threatened death or serious injury, or threat to the physical integrity of self or others. 2. The persons response involved intense fear, helplessness or horror. Re-experiencing symptoms Avoidance symptoms Arousal symptoms Duration of symptoms 1 month Major Depression Adjustment Disorder Other anxiety disorders (panic disorder, GAD, acute stress disorder, OCD) Depersonalization Disorder Factitious Disorder Malingering Good prognostic signs Rapid onset of symptoms Good premorbid functioning Strong social support Absence of psychiatric and medical comorbidity Man y develop comorbid problems (Major depression, other anxiety disorders, substance abuse problems) Medications Antidepressants (best medication treatment) SSRIs (helps all 3 symptom clusters, but generally are most effective when depressive symptoms accompany the PTSD symptoms), Benzodiazepines (have abuse potential), Beta Blockers (immediately after the trauma may reduce later PTSD) Psychotherapy (individual and group developing a sense of safety and trust is important) Cognitive/behavioral (effective), Dynamic Therapy (can be helpful)
Acute Stress Disorder Same as PTSD numbers 1 and 2. Either while experiencing or after experiencing the distressing event , the individual has three or more of the following dissociative symptoms A subjective sense of numbing, detachment, or absence of emotional responsiveness A reduction in awareness of his or her surroundings (e.g., being in a daze) Derealization Depersonalization Dissociative amnesia (i.e., inability to recall an important aspect of the trauma). The traumatic event is persistently re-experienced in at least one of the following ways (recurrent images, thoughts, dreams, illusions, flashback episodes) Marked avoidance of stimuli that arouse recollections of the trauma (e.g., thoughts, feelings, conversations, activities, places, people) Marked symptoms of anxiety or increased arousal (e.g., difficulty sleeping, irritability, poor concentration, hypervigilance, exaggerated startle response, motor restlessness) The disturbance lasts for a minimum of 2 days and a maximum of four seeks and occurs within four weeks of the traumatic event PTSD Brief Psychotic Disorder Dissociative Disorder Adjustment Disorder Early intervention helpful Cognitive/Behavioral approach, Fewer patients later met PTSD criteria. Medications Benzodiazepines ( a brief course may be helpful to decrease anxiety and re-establish sleep), Beta Blockers (within 4 hours of trauma may be helpful epinephrine increases the laying down of memory)
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