SEXUAL AND PERSONALITY DISORDERS😊

SEXUAL AND PERSONALITY DISORDERS

Phases of Sexual Response Cycle

  • Phases experienced during sexual activity.
  • Mnemonic: 'DEOR spray for seduction'
    • Desire Phase
      • Includes sexual urges, sexual wishes.
    • Excitement (Arousal) Phase
      • Subjective feelings of sexual pleasure.
      • Accompanied by physiological changes.
        • Increase in heart rate, blood pressure, sweating.
      • Physiological changes:
        • Males: Penile erection.
        • Females: Vaginal lubrication.
      • Disorder: Erectile dysfunction in males.
    • Orgasm Phase
      • Smallest stage, lasts 3-15 seconds.
      • Peak of sexual pleasure.
      • Changes occurring:
        • Males: Ejaculation of semen.
        • Females:
          • Involuntary contraction of
            • lower 1/3rd of vagina,
            • uterus.
      • Disorder: Premature ejaculation.
    • Resolution
      • Lasts for 10-15 mins.
      • Body returns to resting stage.

Sexual Dysfunctions

Male Erectile Disorder (Erectile Dysfunction)

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  • Marked difficulty in obtaining or maintaining erection during sexual activity.
  • Disorder of excitement phase.

Causes:

  • Psychogenic Erectile Dysfunction
    • Caused by psychological factors like anxiety, marital problems.
    • Experiences early morning erections and nocturnal erections.
  • Organic Erectile Dysfunction
    • Caused by medical causes:
      • Diabetes mellitus.
      • Arteriosclerosis.
      • Neurological disorders.
    • Does not experience early morning or nocturnal erections.

Investigations:

  • Nocturnal penile tumescence.
  • Penile plethysmography (measures blood pressure in penis).

Treatment:

Pharmacotherapy

  • Phosphodiesterase-5 inhibitors (PDE-5 inhibitors)
    • Nitric oxide enhancers.
    • Facilitates blood flow into the penis, enhances erection.
    • Drugs: Sildenafil, Tadalafil, Vardenafil, Avanafil.

Psychotherapy

  • Dual Sex Therapy (Sex Therapy)
    • Derived by Masters and Johnson.
    • Effective for other sexual disorders.
    • Treats the couple, not the individual.
    • Both partners are involved.
  • Sensate focus exercises
    • Two stages:
      • Non-genital sensate focus.
      • Genital sensate focus.

Premature Ejaculation

  • Disorder of orgasm phase.
  • Persistent or recurrent ejaculation with minimal sexual stimulation.
  • Occurs before or immediately after vaginal penetration.
  • DSM-5: Ejaculation within <1 minute following vaginal penetration.

Treatment:

Psychotherapy

  • Squeeze technique
    • By Masters & Johnson.
    • When feeling of impending ejaculation occurs,
      • he or partner squeezes the coronal ridge of glans.
    • Results in inhibition of ejaculation.
  • Stop-Start technique
    • By Semans (Semans technique).
    • When feeling of impending ejaculation occurs,
      • sexual activity is stopped.
    • Restarted once excitement has decreased.
    • Mnemonic: Semen varathirikkan seman technique

Pharmacotherapy

  • SSRI's (selective serotonin reuptake inhibitors)
    • Delayed ejaculation is a side effect.
    • Used to treat premature ejaculation.

Nymphomania

  • Excessive sexual desire in females.

Satyriasis

  • Excessive sexual desire in males.

Gender Identity Disorders

  • DSM-5: Gender Dysphoria.
    • D for D
  • ICD-11: Gender Incongruence.
    • I for I
  • Gender identity is a sense of being male/female.
    • Most often corresponds to anatomical sex.

Gender Identity Disorder of Childhood

  • Marked incongruence between expressed and assigned gender.
  • Seen in prepubertal children.
  • Strong desire to be of the other gender.
  • Preference for:
    • Cross dressing.
    • Toys or games of the other gender.
  • May have dislike of one's sexual anatomy.

Transsexualism

  • Desire to live and be accepted as a member of the opposite sex.
  • Accompanied by discomfort with one's own anatomical sex.
  • Patient may say “I am a man trapped in the body of a woman”.
  • Transsexual identity must be present for at least 2 years for diagnosis.
  • Treatment:
    • For patients insisting on sex change,
      • sex reassignment surgery can be done.
    • Usually accompanied by hormonal therapy.

Personality Disorders

  • Pattern of behaviours and inner experiences deviating from cultural standards.
  • Leads to clinically significant distress or functional impairment.
  • Onset:
    • Usually in adolescence or early adulthood.
  • Pattern is stable for a long duration.
    • Symptoms remain stable once developed.
  • Some disorders (antisocial, borderline) may become less evident with age.
    • Maturation occurs by 40 years.

Three Clusters

  • Cluster A personality disorder
    • Odd/eccentric: Weird
    • Includes:
      • Paranoid PD
      • Schizoid PD
      • Schizotypal PD
  • Cluster B personality disorder
    • Dramatic/impulsive: Wild
    • Includes:
      • Antisocial PD.
      • Borderline PD.
      • Histrionic PD.
      • Narcissistic PD.
    • Mnemonic: B → Border → Society → Nazi History
  • Cluster C personality disorder
    • Anxious/fearful: Worried.
    • Includes:
      • Avoidant PD.
      • Dependent PD.
      • Obsessive compulsive PD.
    • Mnemonic: C → A oCd → Avoidant, OCD, Dependent

Cluster A Personality Disorder

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Paranoid Personality Disorder

  • Long-standing pattern of suspiciousness or distrust.
  • No hallucinations and no delusions.
  • Suspects others without basis (exploiting, harming).
  • Reads hidden threatening meanings in benign events.
  • Bears grudges.

Schizoid Personality Disorder

  • Long pattern of social withdrawal.
  • Emotionally cold, indifferent to praise or criticism.
  • Prefers solitary activities.
  • Lacks close friends.

Schizotypal Personality Disorder

  • Exhibits social difficulties and eccentric behavior.
  • Odd beliefs and magical thinking.
    • e.g., superstitious, belief in sixth sense, telepathy.
  • Speech may be vague, over-elaborated, reflecting odd thinking.
  • May have an illusion or ideas of reference.
  • Increased risk of schizophrenia.

Cluster B Personality Disorder

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Antisocial Personality Disorder (Dissocial Personality Disorder)

  • No regard for the rights of others, often violates them.
  • Frequently involved in unlawful activities (theft, lying, conning).
  • May show irritability and aggressiveness (physical fights, assaults).
  • No guilt or remorse.
  • May blame others for their actions.
  • Substance use disorder may be frequently present.

Borderline Personality Disorder

  • More common in females than males.
  • Unstable interpersonal relationships (idealization/devaluation).
  • Identity disturbance:
    • Unstable self-image.
      • Sudden shift in goals, values, sexual identity, etc.
  • Impulsivity:
    • Potentially self-damaging behavior.
      • Spending, reckless driving, substance abuse.
  • Recurrent suicidal behaviour, gestures, threats (e.g., wrist slash).
  • Mood instability:
    • Intense episodic anger outbursts.
  • Chronic feeling of emptiness.
  • Almost always appear in a state of crisis.
  • Micro-psychotic episodes with fleeting doubtfulness.

Treatment

  • Psychotherapy is the treatment of choice.
  • Dialectical behaviour therapy (DBT):
    • Corrects all or none phenomenon/ splitting.
    • All or none phenomenon:
      • Patient sees everything as all good or all bad.
  • Mentalization based therapy (MBT).
  • Transference focused psychotherapy (TFP).

McDonalds triad

  • Animal cruelty
  • fire setting
  • bed wetting

Histrionic Personality Disorder

  • High degree of attention-seeking behavior.
  • Speech and emotions are exaggerated.
  • Behaves in a colorful, dramatic, extroverted way.
  • Wants to be the center of attention.
  • Inappropriate sexual seductive behavior, flirtatious.
  • Uses physical appearance to draw attention.

Narcissistic Personality Disorder

  • Heightened sense of self-importance.
  • Expects recognition as superior without achievements.
  • Preoccupied with fantasies of power or success.
  • Requires excessive admiration.
  • Exploitative, may lack empathy.

Cluster C Personality Disorders

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Avoidant or Anxious Personality Disorder

  • Extremely sensitive to rejection.
  • Fear of criticism, disapproval, or rejection.
  • Views oneself as socially inept or inferior.

Dependent Personality Disorder

  • Difficulty in making everyday decisions.
  • Dependent on others for advice and reassurance.
  • Needs others to assume responsibility for most areas.
  • Difficulty expressing disagreement due to fear of loss of support.
  • Lacks confidence, cannot initiate new things.

Obsessive Compulsive Personality Disorder

  • ICD 10: Anankastic PD.
  • No obsessions or compulsions.
  • Preoccupied with details, rules, organization.
  • Exhibits perfectionism interfering with task completion.
  • Causes significant delays in tasks.
  • Exhibits rigidity and stubbornness, often inflexible.

Important Information

  • In ICD-11, older classification of personality disorder is removed.
  • Personality disorders now classified by severity:
    • Mild personality disorder.
    • Moderate personality disorder.
    • Severe personality disorder.

Types of Personality

Type A Personality

  • Competitive.
  • Time urgency.
  • Hostility.
  • Ambitious.
  • Impatient.
  • Two-fold risk of Myocardial infarction and CAD-related mortality.

Type B personality

  • Easy going.
  • Relaxed.
  • Non-competitive.
  • Focuses more on enjoyment than on winning.
  • Mnemonic: Bae → relaxed → come here

Type D personality

  • Negative affectivity:
    • Tendency to experience negative emotions.
  • Social inhibitions:
    • Tendency to not express emotions.
  • Predisposed to development of coronary heart disease.

FORENSIC PSYCHIATRY

Mental Health Care Act: MHCA 2017

  • New legislation for treatment and rights of patients with mental illness.
  • Decriminalisation of suicide
    • Earlier punished under section 309 of IPC.
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National Mental Health Programme

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  • Covers all types of mental illness.
  • National Mental Health Policy: 2014
  • Mental health clinics established at district level.

Criteria for Mental Health (IQ)

  • Wechsler intelligence scale
  • IQ formula: (Mental age / Chronological age) × 100
  • Average for child = 90
Levine and Marks (1928)
Levine and Marks (1928)
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Intellectual disability based on IQ
Intellectual disability based on IQ
Wechsler Scale
Wechsler Scale

Wing’s Comprehensive Handicaps, Behaviour and Skills Schedule (HBS)

  • Measures:
    • abilities
    • disabilities

Capacity

  • Capacity to make mental health care or treatment related decisions.
  • Ability to understand information relevant to treatment decisions.
  • Understand consequences of decision or lack of decision.
  • Ability to communicate decisions (verbally or in writing).

Advance directive

  • Every person who is not a minor can make an advanced directive.
  • Can mention:
    • The way he wishes to be treated for a mental illness.
    • The way he wishes not to be treated for a mental illness.
    • Whom he wants to appoint as a nominated representative.
  • Applicable only when capacity to take decisions is lost.

Nominated representative

  • Any person can appoint a nominated representative.
  • If person loses capacity, representative will help take decisions.

Admission of person with mental illness

  • Independent admissions
    • If the person wishes to get admitted.
    • When they have capacity to make decisions.
  • Supported admission
    • For one who needs admission due to:
      • Threatened/attempted bodily harm to self or others.
      • Inability to take care of self, leading to risk of harm.
    • Has lost capacity to make decisions.
    • Needs high level support from nominated representative.
    • Nominated representative can consent for admission.
    • Section 89:
      • Admission and treatment with high support needs up to 30 days.

Prohibited procedures

  • ECT without muscle relaxants and anasthesia
  • ECT for minors
    • If psychiatrist considers it necessary:
      • Take informed consent from guardian.
      • Get permission from mental health review board.
  • Restriction of psychosurgery for persons with OCD
    • If psychiatrist considers it necessary:
      • Take informed consent from patient.
      • Get approval from mental health review board.

Other techniques

  • Non-invasive.
  • Invasive.

Non-invasive

ECT

  • Electroconvulsive therapy.
  • Electrical stimulation given to produce convulsions.
  • Direct ECT is banned in India.
  • Indirect ECT/Modified ECT is used.
    • Administered after giving:
      • Anesthetic agents:
        • Methohexital
          • most common
        • Others: Thiopental, etomidate, ketamine, alfentanil, propofol.
      • Muscle relaxants:
        • Succinylcholine
          • most common

Indications for ECT

  • Major depressive disorder:
    • Depression + suicidal risk.
    • Can be given in pregnancy.
    • Depression with stupor/ catatonia/ agitation/ psychotic symptoms.
    • Patients who failed medication trials.
  • Manic episodes:
    • Medications unresponsive/ intolerant.
    • Manic behavior leading to dangerous exhaustion.
  • Schizophrenia:
    • Catatonic schizophrenia.
    • For unresponsive/ intolerant individuals.
  • Other indications:
    • OCD.
    • Neuroleptic malignant syndrome.
    • Intractable seizure disorder.
    • Hypopituitarism.
    • On-off phenomenon of parkinsonism.

rTMS (Repetitive Transcranial Magnetic Stimulation)

  • Definition:
    • Uses short pulses of magnetic energy to stimulate nerve cells.
    • Repeated pulses →
      • focal secondary electrical stimulation of cortical regions.
  • Procedure:
    • Patient: Awake & conscious.
    • No Anesthesia
    • Non Convulsions
  • Indication:
    • FDA approved for depression not improving with ≄1 antidepressant.
  • Advantages:
    • Safe side-effect profile.
    • No cognitive side effects.
  • Side effect:
    • Most common:
      • Scalp pain/discomfort.

Invasive

VNS

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  • Vagal nerve stimulation.
  • Left vagal nerve stimulated by electrodes.
  • Pulse generator implanted on chest.
  • Serotonin neurons are stimulated.
  • Long term adjunct treatment for chronic/recurrent depression in adults.
    • For those with inadequate response to 4+ antidepressants.

Deep brain stimulation

  • Implantation of leads into specific brain areas.
  • Studied for chronic, intractable depression.

Psychosurgery

  • Specific areas are targeted.
  • Used for OCD.

Omega sign

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  • Omega shaped fold in forehead above root of nose.
  • Due to excessive use of corrugator muscle.
  • Seen in depression.

Veraguth's fold

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  • Triangular fold in the nasal corner of upper eyelid.
  • Due to change in tone of corrugator and zygomatic facial muscles.
  • Seen in depression.
  • Mnemonic: Veruth jivikkumbo

Bender gestalt test/ bender visual motor gestalt test

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  • Assesses cognitive functions:
    • Memory, sensory and motor functions.
    • Language, executive functions.
    • Arithmetic, visual spatial functions.
  • Used as a screening tool for organic brain disorders.