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Obsessive Compulsive Disorder
(OCD)
Nabilah Dato’ Ayob
060100814
Obsession
• An idea, impulse or
image which intrudes
into conscious
awareness repeatedly
• Recognized as one’s
own idea, i...
Compulsion
• A form of behavior
which usually follows
obsession
• The aim  preventing
or neutralizing the
distress or fea...
Epidemiology
• Prevalence :
– 0.5%  General
population
– 2-3% Lifetime-
prevalence
– 17% Minor OCD
• Age :
– 2/3 indivi...
Diagnosis and Clinical Symptoms
• DSM –IV-TR:
• Obsessions are defined by the
following 4 criteria.
– Recurrent and persis...
• Compulsions are defined by
the following 2 criteria:
– The person performs
repetitive behaviors (eg, hand
washing, order...
• If another Axis I disorder is
present, the content of the
obsessions or compulsions is
not restricted to it, such as
pre...
ICD- 10
1. Predominantly obsessive thought or
ruminations
2. Predominantly compulsive acts (compulsive
rituals)
3. Mixed o...
Major Clinical Syndromes of Obsession
and Compulsion
Obsessions Commonly Associated
Compulsions
Fear of contamination Wash...
Major Clinical Syndromes of Obsession
and Compulsion
• Pure obsession
– Repetitive intrusive
thought , impulse, image
whic...
Etiology
1. Psychodynamic Theory
• Sigmund Freud 
Disturbed in anal
sadistic phase
• Defence Mechanism of
displacement (P...
3. Biological Theory
1. Occur 2ndary to illness such as encephalitis,
syphilis, Tourette’s syndrome, hypothalamic and
3rd ...
Treatment
1. Psychotherapy
– Psychoanalytic psychotherapy :used in certain
selected patient ( anankastic personalities)
– ...
2. Behavior Therapy (BT) and Cognitive
BT (CBT)
• Effective mode of therapy success rate 80%
especially for the compulsiv...
3. Drug Treatment
1. Antidepressant
– Selective Serotonin Reuptake Inhibitor (SSRI)
Fluvoxamine (Luvox) 100-300 mg/d PO
– ...
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Transcript of "Obsessive compulsive disorder"

  1. 1. Obsessive Compulsive Disorder (OCD) Nabilah Dato’ Ayob 060100814
  2. 2. Obsession • An idea, impulse or image which intrudes into conscious awareness repeatedly • Recognized as one’s own idea, impulse, image but is perceived as ego alien (foreign to one’s personality • Recognized as irrational and absurd (insight is present) • One’s tries to resist against it but unable to • Failure to resist leads to marked distress
  3. 3. Compulsion • A form of behavior which usually follows obsession • The aim  preventing or neutralizing the distress or fear arising out of obsession • The behavior is not realistic and is either irrational or excessive • Insight is present, so the patient realizes the irrationality of compulsion
  4. 4. Epidemiology • Prevalence : – 0.5%  General population – 2-3% Lifetime- prevalence – 17% Minor OCD • Age : – 2/3 individual onset early 20 - 25 – Childhood onset  10 – 14 yo (Childhood-onset OCD may have a higher rate of comorbidity with Tourette Disorder and ADHD.) • Sex : – Equal in both sexes – although the disorder more commonly presents in males in childhood or adolescence, and in females in their twenties.
  5. 5. Diagnosis and Clinical Symptoms • DSM –IV-TR: • Obsessions are defined by the following 4 criteria. – Recurrent and persistent thoughts, impulses, or images are experienced at some time during the disturbance as intrusive and inappropriate and cause marked anxiety and distress. Those with this disorder recognize the craziness of these unwanted thoughts (such as fears of hurting their children) and would not act on them, but the thoughts are very disturbing and difficult to tell others about. – The thoughts, impulses, or images are not simply excessive worries about real- life problems. – The person attempts to suppress or ignore such thoughts, impulses, or images or to neutralize them with some other thought or action. – The person recognizes that the obsessional thoughts, impulses, or images are a product of his/her own mind (not imposed from without, as in thought insertion).
  6. 6. • Compulsions are defined by the following 2 criteria: – The person performs repetitive behaviors (eg, hand washing, ordering, checking) or mental acts (eg, praying, counting, repeating words silently) 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; however, these behaviors or mental acts either are not connected in a realistic way with what they are meant to neutralize or prevent or they are clearly excessive. • At some point during the course of the disorder, the person recognizes that the obsessions or compulsions are excessive or unreasonable. This does not apply to children. • The obsessions or compulsions cause marked distress; are time consuming (take >1 h/d); or significantly interfere with the person's normal routine, occupational or academic functioning, or usual social activities or relationships.
  7. 7. • If another Axis I disorder is present, the content of the obsessions or compulsions is not restricted to it, such as preoccupation with food and weight in the presence of an eating disorder, hair pulling in the presence of trichotillomania, concern with appearance in body dysmorphic disorder, preoccupation with drugs in substance use disorder, preoccupation with having a serious illness in hypochondriasis, preoccupation with sexual urges in paraphilia, or guilty ruminations in the presence of major depressive disorder. • The disorder is not due to the direct physiologic effects of a substance or a general medical condition. • The additional specification of "with poor insight" is made if, for most of the current episode, the person does not recognize that the symptoms are excessive or unreasonable
  8. 8. ICD- 10 1. Predominantly obsessive thought or ruminations 2. Predominantly compulsive acts (compulsive rituals) 3. Mixed obsessional thoughts and acts
  9. 9. Major Clinical Syndromes of Obsession and Compulsion Obsessions Commonly Associated Compulsions Fear of contamination Washing, cleaning (Washers) Need for symmetry, precise arranging Ordering, arranging, balancing, straightening until "just right" Unwanted sexual or aggressive thoughts or images Checking, praying, “undoing” actions, asking for reassurance Doubts (eg, gas jets off, doors locked) Repeated checking behaviors ( Checkers) Concerns about throwing away something valuable Hoarding
  10. 10. Major Clinical Syndromes of Obsession and Compulsion • Pure obsession – Repetitive intrusive thought , impulse, image which are not associated with compulsive acts (sexual/ aggressive) – Dealt by counter- thoughts – Ruminated the pros and cons of the thought concerned • Primary obsessive slowness – Rare syndromes – Severe Obsession ideas and/ or extensive compulsive rituals. – Marked slowness in daily activity
  11. 11. Etiology 1. Psychodynamic Theory • Sigmund Freud  Disturbed in anal sadistic phase • Defence Mechanism of displacement (Phobic) and undoing (Compulsive), and reaction formation • Incomplete isolation of affect 2. Behavioral Theory – Not able to explain the causation of OCD adequately but is very useful in treatment
  12. 12. 3. Biological Theory 1. Occur 2ndary to illness such as encephalitis, syphilis, Tourette’s syndrome, hypothalamic and 3rd ventricle lesion 2. 20% OCD Pt (patient) have tics which is suggestive to basal ganglia disorder 3. Head injury 4. Abnormalities in serotonin (5-HT) transmission in CNS 5. 5-7% of 1st degree relatives of Pt with OCD and greater concordance between monozygotic than dizygotic twins
  13. 13. Treatment 1. Psychotherapy – Psychoanalytic psychotherapy :used in certain selected patient ( anankastic personalities) – Supportive psychotherapy : important adjucts to ther modes of treatment, also needed by faily members
  14. 14. 2. Behavior Therapy (BT) and Cognitive BT (CBT) • Effective mode of therapy success rate 80% especially for the compulsive acts • Techniques used : 1. Thought stopping 2. Exposure and Response prevention (ERT) 3. Modeling 4. Mass Practice
  15. 15. 3. Drug Treatment 1. Antidepressant – Selective Serotonin Reuptake Inhibitor (SSRI) Fluvoxamine (Luvox) 100-300 mg/d PO – Tricyclic antidepressant  Clomipramine;75-250 mg /d PO
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