GPVTS Academic Programme Common psychiatric problems Jim Bolton Consultant Liaison Psychiatrist St...

Post on 18-Jan-2016

214 views 0 download

Tags:

Transcript of GPVTS Academic Programme Common psychiatric problems Jim Bolton Consultant Liaison Psychiatrist St...

GPVTS Academic Programme

Common psychiatric problems

Jim Bolton

Consultant Liaison Psychiatrist

St Helier Hospital

Who should give this talk?

• Majority of mental health problems managed in primary care

• Only 10% referred to specialist services

• Mood disorders in an average list (2000)– 60-100 with depression– 70-80 with anxiety– 50-60 “situational disturbance”

Introduction

• What would you like to talk about?

• Depression

• Anxiety

• Medically unexplained symptoms

• Mental health services

• Mental Health Act

Depression

Depression

• Part of normal experience

• A symptom, not a diagnosis

• When does depressed mood become an illness?

Appropriate distress or psychiatric disorder?

• Normal distress (adjustment disorder)– brief change in mood

• Psychiatric disorder (depression)– persistent– extreme– disabling

Depressive disorder - epidemiology

• Depends on how you look for it

• Lifetime risk 15-20%

• One month prevalence 5-10%

Depressive disorder - classification

• Current episode– Mild– Moderate– Severe (+ psychotic symptoms)

• Pattern of episodes– Single episode– Recurrent depressive disorder

• Dysthymia• Mixed anxiety & depression

Depressive disorder –symptoms

• Mood • Motivation

– energy, interest, pleasure, concentration• Thinking

– guilt, worthlessness, self-blame– hopelessness, suicidal ideation

• Biological symptoms– appetite, weight, sleep, libido

• Persistent

Depressive disorder - aetiology

• Physical– genetics?– alcohol & drugs

• Psychological– past psychiatric history– personality and coping

• Social– stresses– support

Depressive disorder – primary care

• Patients rarely present with neat clusters of symptoms

• Often combination of physical, psychological, social problems

• Somatic presentation common

Depressive disorder - management

• Physical– antidepressants

• Psychological– counselling / psychotherapy

• Social– social support– practical advice, e.g. exercise, caffeine, alcohol

Disorders of the puerperium

The “blues” Postnatal Puerperal depression psychosis

Onset: 4-5 days 2-4 weeks 1-3 weeks

Frequency: 50% 10-15% 0.2%

Duration: 2-3 days 4-6 weeks 6-12 weeks

(1 year)

Postnatal depression- clinical features

• Commonly– tearfulness, irritability,

poor sleep

• Note– inadequacy– loss of confidence– anxieties– thoughts of harm

Postnatal depression - aetiology

Summary– most support for psychosocial rather than

biological factors– similar to depression at other times– subgroup?

Postnatal depression - treatment• Physical

– Antidepressants– Hormones

• Psychological– Counselling– Brief psychotherapies

• Social– maximise available support– voluntary groups

Postnatal depression - prognosis

• 1:3 recurrence after subsequent birth

• Without treatment 30% ill at 1 year

Anxiety

Anxiety• Part of normal human experience

– “fight or flight”– motivational drive / performance

• Components– Cognitive– Autonomic– Motor tension

• Disorders– Anxiety as primary component (anxiety-related

disorders)– Occurs as part of many other disorders

Anxiety-related disorders - classification

• Generalised anxiety disorder

• Panic disorder

• Phobic anxiety disorder

• OCD

• PTSD

Anxiety-related disorders - epidemiology

• Lifetime prevalence– Generalised anxiety disorder 30%– Panic disorder 5%

Anxiety-related disorders - aetiology

• Biological– Constitutional predisposition?– Caffeine, alcohol, drugs

• Psychological– Individual interpretation, past experiences,

coping resources

• Social

Anxiety-related disorders - management

• Biological– Benzodiazepines– Antidepressants

• Psychological– CBT– Relaxation– Anxiety management

• Social

Medically unexplained symptoms

How common are MUS?

• Primary care: 20%

• Medical outpatient clinic: 25-50%

• Medical inpatients: 1-2%

• Liaison psychiatry: common referral

Symptoms which commonly remain medically unexplained

• Muscle and joint pain• Low back pain• Tension headaches• Fatigue• Chest pain• Palpitations• Irritable bowel

• Why are so many symptoms not explained by organic disease?

Back to basics:what is a symptom?

• “A phenomenon... arising from and accompanying a disease.”

Oxford English Dictionary

Disease

Symptom

Perception

Interpretation

Symptom

What is a symptom?

What is a symptom?

Perception

Interpretation

Symptom

• Many symptoms are due to the perception of organic disease.

• But many remain medically unexplained.

• What factors are associated with MUS?

What factors are associated with MUS?

• Vulnerability factorsExperiences of illness

Illness beliefs

• Precipitating factorsLife events

Stress

• Maintaining factorsAnxiety and depression

Reactions of others

Iatrogenic

PerceptionExperience of illness Stress

InterpretationReactions of others

Symptom

A model of MUS

Management

Stepped care:

• 1) Basic management

• 2) Specialist management

• 3) “Damage limitation”

Physical examination & investigation

• As much as is appropriate

• Over-investigation can reinforce the patient’s conviction that there must be something physical wrong

Assessment

• What are the patient’s concerns and beliefs?

• How does the patient cope?

• Are there any background problems?

• Screen for anxiety and depression– antidepressant?

Reassurance

• Most patients are reassured

• Bland reassurance is unhelpful

• Address the patient’s fears and beliefs

• Correct any misconceptions

Explanation

• Give a positive explanation

• Explain how physical, psychological and social factors interact

• Give practical advice on coping and returning to normal activity

Further management

Stepped care:

• 1) Basic management

• 2) Specialist management

• 3) “Damage limitation”

Mental health services

Mental health services

• Separation of acute and mental health

• Divided by age:

Child ------ Adult ------ Older adults

• …& speciality:– e.g. substance misuse, psychotherapy

• Crisis & Home Treatment Teams

Community mental health team

• Often GP aligned

• Multidisciplinary team

• Management of “SMI”

• Care Programme Approach

Making a referral

• Get to know your CMHT– Routine & emergency referrals

• Information to include– Past history– Social background– Risk

Mental Health Act 1983

• Some people refuse help, even though this puts their own health or safety, or that of others, at risk.

• Legislation enables us to treat people against their will.

• Balance of benefit of treatment against infringement of civil liberties.

Mental Health Act 1983

• Compulsory treatment of psychiatric (but not physical) disorder.

• “Sections”

• GPs involved in most sections.

Implementing the MHA

• Individual must have refused voluntary treatment

• Individual must be at risk of harm to self or others

• Behaviour must be the result of known or suspected psychiatric disorder (but not addiction per se)

Who’s involved in a “section”?

• Application by an Approved Mental Health Professional (AMHP) or the nearest relative (rarely used)

• + Recommendation from a doctor (usually a psychiatrist) approved under Section 12 of the MHA

• + Recommendation from another independent doctor (usually the GP)

Section 2: Admission for assessment

• Assessment of suspected psychiatric disorder• 28 days• Right of appeal within 1st 14 days• Applied for by AMHP in consultation with

nearest relative• 2 medical recommendations• Treatment can be given without consent, but

switch to Section 3 once this becomes the main reason for inpatient care

Section 3: Admission for treatment

• Treatment of severe and persistent psychiatric disorder

• 6 months in first instance – can be renewed• One appeal per 6 months• Statutory responsibilities for aftercare• Applied for by AMHP – cannot normally

proceed if nearest relative objects• 2 medical recommendations

Section 4: Emergency admission

• When delay in finding another doctor would be dangerous

• AMHP plus 1 medical recommendation

• 72 hours

• Allows time for assessment for

section 2 or 3

Depressive disorder - symptoms• Core symptoms• Depressed mood• Loss of interest and

enjoyment• Reduced energy

and fatigability

• Other common symptoms• Reduced concentration• Reduced self-esteem & self-

confidence• Ideas of guilt & unworthiness• Bleak and pessimistic views

of the future• Disturbed sleep• Diminished appetite

Depressive disorder - symptoms

• Severity of depression

• Mild: 2 core plus 2 other symptoms

• Moderate: 2 core plus 3 other symptoms

• Severe: 3 core plus 4 other symptoms

• Remember – suicidal ideation