SEXUAL AND PERSONALITY DISORDERSđ
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)
- 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
- ICD-11: Gender Incongruence.
- 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 âI am a man trapped in the body of a womanâ.
- 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 â Border â Society â Nazi History
- Cluster C personality disorder
- Anxious/fearful: Worried.
- Includes:
- Avoidant PD.
- Dependent PD.
- Obsessive compulsive PD.
- Mnemonic: C â A oCd â Avoidant, OCD, Dependent
Cluster A Personality Disorder
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.
Schizoid Personality Disorder
- Long pattern of social withdrawal.
- Emotionally cold, indifferent to praise or criticism.
- Prefers solitary activities.
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
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).
- 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
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
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
- 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
- Two-fold risk of Myocardial infarction and CAD-related mortality.
Type B personality
- Focuses more on enjoyment than on winning.
- Mnemonic: Bae â relaxed â 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.
National Mental Health Programme
- 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) Ă 100
Levine and Marks (1928)
Intellectual disability based on IQ
Wechsler Scale
Wingâs Comprehensive Handicaps, Behaviour and Skills Schedule (HBS)
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
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
- Others: Thiopental, etomidate, ketamine, alfentanil, propofol.
- Muscle relaxants:
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 â
- focal secondary electrical stimulation of cortical regions.
- Procedure:
- Patient: Awake & conscious.
- No Anesthesia
- Non Convulsions
- Indication:
- FDA approved for depression not improving with â„1 antidepressant.
- Advantages:
- Safe side-effect profile.
- No cognitive side effects.
Invasive
VNS
- 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.
Omega sign
- Omega shaped fold in forehead above root of nose.
- Due to excessive use of corrugator muscle.
Veraguth's fold
- Triangular fold in the nasal corner of upper eyelid.
- Due to change in tone of corrugator and zygomatic facial muscles.
- Mnemonic: Veruth jivikkumbo
Bender gestalt test/ bender visual motor gestalt test
- Assesses cognitive functions:
- Memory, sensory and motor functions.
- Language, executive functions.
- Arithmetic, visual spatial functions.
- Used as a screening tool for organic brain disorders.
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