730 likes | 1.29k Views
Psychiatry. Dr N Fernando 2 nd May 2006. Content. Psychiatric history Mental state examination Assess suicide risk Multi-Disciplinary Team (MDT) ) Community Psychiatric Nurse (CPN) ) Understand Psychiatric Social Workers ) their roles Occupational Therapists (OT) )
E N D
Psychiatry Dr N Fernando 2nd May 2006
Content • Psychiatric history • Mental state examination • Assess suicide risk • Multi-Disciplinary Team (MDT) ) • Community Psychiatric Nurse (CPN) ) Understand • Psychiatric Social Workers ) their roles • Occupational Therapists (OT) ) • Impact of mental illness on relatives • Schizophrenia ) • Affective disorders ) • Anxiety ) Clinical features • Dementia ) & • Delerium ) their management • Eating Disorders ) • Alcohol Misuse )
Psychiatric History • A story……Chronological……detailed • From before birth • Family history • ….through birth & early adulthood • Personal, Educational, Psychosexual, Work history • ….through life difficulties • Substance misuse, forensic • ….status before the current episode • PMH, PSH, PPH, pre-morbid personality • Medications, allergies, social circumstances • ….to the current presentation • PC & HPC
Psychiatric History • PC/HPC • PMH/PSH/PPH • MEDS/ALLERGIES • Personal History • Early • Schooling & Academic achievements • Sexual history & preferences/ Work history • Substance use incl. alcohol, caffeine, nicotine • Forensic history • Family History • Current social circumstances • Pre-morbid personality
Mental State Examination • Appearance & Behaviour • Speech • Mood (s) & (o) • Thoughts • Disorders of form, content, flow • Deliberate self harm/suicidality • Perceptions • Cognition • Conscious level Orientation A&C Memory - STM,LTM Abstract thinking • Insight
Model for managing treatment Summary • Talk, negotiate, dialog (therapeutic alliance, psychoeducation) • Informal formal (?MHA use) • Period of observation (best before initiating treatment) • Medication – if required • Least toxic, least dose, shortest length (as possible) • Talking therapies • Counselling, CBT, psychotherapy, IP therapy, Group • Follow up • Review, optimise therapy • Aftercare - CPA (Care Programme Approach) • maintain therapeutic alliance, psychoeducation
Multi-Disciplinary Team work (MDT) • Basis of psychiatric diagnosis, treatment and management • Consensual decisions (most times) • Good communication skills • Important to include patient & carer in decisions • All professional have stake in patient care • Doctors, ward staff, OT, psychologists, pharmacists, community staff, any other therapists working with patient • Their concerns and views to be considered & documented • Final decision – ALL to be in agreement (if possible) thereby sharing risk and responsibility • Care plan – jointly appraised, agreed and maintained • Medical staff have overall responsibility (RMO status) • This is currently under review by DHS
Community Psychiatric Nurses (CPN) • Work within community teams • ‘Key-worker’ to coordinate care & liaise with RMO/wards,etc • Have experience of dealing with mental illness • Have good communication & organisation skills • Ideally have psycho-social skills • Work with challenging patients & their families including psychoeducation • Have a good understanding of relapse signatures, particular stressors and behaviour patterns of their clients • Understanding of other services that may benefit patient & refer appropriately • Have confidence in managing & advising reg. medications • Give depot medications
Psychiatric Social Workers • Experience in social work • Emphasis on mental health issues & impact on social services • Appropriate use of services & benefits • Social history of patient • ASW work – Approved Social Worker (Section 12 approved) • Coordinating mental health act assessments • Makes application for detention under MHA 1983 • Aware of social circumstances that may impact on presentation in community at time of MH assessment • Be aware of next of kin & their views • At MHA no other disposal apart from hospital admission • Be aware of changes in mental health law • Furnish reports to tribunals – patients under MHA 1983
Occupational Therapists (OT) • Work within hospital or community • Have a wide range of OT background skills • Good communication & psycho-social skills to work with highly challenging group of patients • Understanding of mental health & impact on daily functioning • Understand medications and its similar impact • Assess patient’s level of activity and living skills • ADL assessment – Activities of Daily Living • Compare with patients needs/desires and abilities • Set up graduated activities to improve patient’s level of functioning in a manageable and sustainable programme • Advocate for patient if required (reg. their functioning)
Impact of mental health on relatives • Can be significant & prolonged • Stressful; • Concerns that they or their children may be affected • Dealing with someone not in touch with reality – constantly • Dealing with someone constantly breaching limits • Dealing with someone becoming ill & feeling unable to help • Dealing with disorganisation & aggression • Dealing with services not able to respond fast enough • Dealing with poor insight from affected relative & meds need • Concern for relative • Can be excessive High expressed emotion (EE) • Increase risk of physical illness & mental illness • Stress related & depression (Carer assessment useful)
Delusions – Definition • Belief which is firmly held despite evidence to the contrary which is out with their religious, social and cultural experience • Different from ‘overvalued idea’ • Many themes • Paranoid, Persecutory, Grandiose, Delusions of reference, Guilt or worthlessness, Hypochondriachal, Religious, Sexual, etc…
Hallucinations - Definition • Perception in the absence of stimuli • Can be normal experience – hypnogogic/hymnopompic • Based on different senses • Auditory (2nd, 3rd person, running commentary, thought echo) • Visual (commonly underlying organic condition) • Gustatory • Olfactory • Somatic (tactile & deep)
Schizophrenia • Fundamental & characteristic distortions of thinking & perception • Inappropriate or blunted affect • Delusions (secondary) & Perplexity common • Onset Acute or gradual • M=F - Later onset in women • Genetic component • 1 parent affected 13% risk in kids • Both parents 46% risk in kids • 1 sibling affected 10% in other siblings • MZ twins 48% concordance • Life events & expressed emotions associated with relapses • CT changes – predate illness • Smaller temporal lobes by 15-20% & Enlarged ventricles • PET scans functional disturbances in frontal & temporal structures • Cognitive changes – late feature generally
Schizophrenia First rank symptoms • 3rd person auditory hallucinations • Running commentary • Thought echo • Made feelings ) • Made impulses ) • Made actions ) Passivity • Thought insertion ) ) Phenomena • Thought withdrawal ) Thought ) • Thought broadcasting ) Alienation ) • Somatic passivity ) • Delusional perception
Schizophrenia Definition: ICD 10 criteria • At least 1 month duration of symptoms • 1 clear CORE symptom or >= 2 if less clear or >=2 from Secondary group CORE group - Thought echo, alienation Delusions of passivity, Delusional perception 3rd person, running commentary persistent delusions Secondary group - Persistent hallucinations – any modality Thought block/neologisms Catatonic behaviour/ Negative symptoms Significant & Consistent change in overall quality
Schizophrenia - Types • Paranoid • Commonest, hallucinations +/- delusions prominent • Hebephrenic • starts bet 15-25yrs, poor prog. • Affective changes, irresponsible, inappropriate behaviour • Catatonic • Prominent psychomotor disturbance, rarely seen in west • Post Schizophrenic depression • Negative symptoms prominent usually, ^risk of suicide • Residual Schizophrenia • At least one previous psychotic episode • Period of 1 year, where +ve -ve symptoms • Simple Schizophrenia • Uncommon, insiduous and progressive • No previous psychotic episode, vagrancy may occur
Schizophrenia Negative symptoms 6 A’s - Attention reduced - Avolition - Anhedonia - Affective blunting - Apathy - Alogia
Schizophrenia - Management Summary Therapeutic alliance MHA use if appropriate MDT decisions Reduce stressors Support – psychological, psychoeducation, reduce EE Drugs: Antipsychotics Anxiolytics Antidepressants Hypnotics (to aid sleep)
Schizophrenia - Antipsychotics Summary Therapeutic alliance Most appropriate choice – clinical basis Atypicals 1st line in new cases (NICE) - Start low and increase as tolerated - Raise dose to therapeutic level - If no response in 4-6 weeks, consider change, seek help - Watch for side-effects Side-effects; - Drowsiness, wt gain ) Reduce dose, another - reduced blood pressure ) drug to counter effects, - EPSE ) change to another - Sexual dysfunction ) Non-compliance - Consider depot medication Treatment resistant (inadequate response to two a/p) - Clozaril (regular FBC, co-ordinated via CPMS – Clozaril Patient Monitoring Service)
Affective Disorders • Depression • Bipolar Affective Disorder (BPAD) • Hypomania • Mania • Persistent Mood Disorders • Cyclothymia • Dysthymia
Depression • Definition: ICD – 10 requirements • 2/52 duration of symptoms • 3 Core symptoms – Mood, Anhedonia, Anergia • 7 additional Sx. • A&C worthlessness appetite • DSH acts hopelessness sleep self esteem • Mild (at least 2 core + 2 other) • Distressed but able to function with ordinary work • Moderate (at least 2 core + 3 other) • Will have considerable difficulty c/t with work • Severe (All 3 core + 4 other or more) • Suicide a distinct risk & unlikely to continue with work • Need to look for psychotic symptoms
Depression – Use of Antidepressants • Discuss choice of drug with the patient • Therapeutic effects, adverse effects, discontinuation effects • Start ANTIDEPRESSANTS • Titrate to recognised therapeutic dose • Assess efficacy over 4-6 weeks • Continue for 4-6 months at full treatment dose • Consider long-term treatment in recurrent depression • If no effect • Increase dose (to maximum dose if tolerated) & assess over 2/52 • Try another antidepressant from another class • Titrate as above • Little improvement Treatments for refractory depression
Bipolar Affective Disorder (BPAD) • >=2 episodes of mood/activity changes • Recovery complete between episodes • M = F • Usually abrupt onset of mania • Manic episode – last median of 4 months • Depressive episode – last median of 6 months • Often follow stressful life events • First episode occur at any age (Most freq bet 20-29 years) • Increasing age Increased frequency & length of episodes • 1-2% of population at some point in their lives • Genetic predisposition • BPAD 11% risk of Depression (UP) in 1st degree relatives • BPAD 8% risk of BPAD in 1st degree relatives • Morbidity & mortality is HIGH suicide/accidental deaths/concurrent illnesses
Bipolar Affective Disorder (BPAD) Features Elated mood Grandiose ideas & inflated self esteem Increased energy & activity Flight of ideas Pressure of speech Increased libido impaired judgement & impulsive behaviour Reduced need for sleep Increased creativity Impaired attention & concentration Psychotic symptoms
Bipolar Affective Disorder (BPAD) Diagnosis >=2 episodes At least one should be mania Manic episode >= 1/52 Depression >= 2/52 Rapid cycling = 4 or more episodes / year Severity Hypomania Mania Mania with psychotic features
Bipolar Affective Disorder (BPAD) Hypomania - Increased mood & activity for at least a few days - interfere with work/social activity Mania - Increased mood & activity for at least a week - Disrupt work/social activity Mania with psychotic features - As above with psychotic features - most severe form
Bipolar Affective Disorder (BPAD) MANAGEMENT - Same as for depression & table - Important to gain therapeutic alliance - Consider admission +/- use of MHA - Assess RISKS carefully and address to reduce impact - Commence drug treatment if appropriate - Sedation/mood stabilisation (Lithium)/Antipsychotic - Antidepressant (watch for rebound mania) - ECT - Talking therapy - CBT based - Psychoeducation including Relapse signature work - Social work involvement - reduce stressors – finances/housing, etc - Follow-up review (CMHT & key-worker allocation) - Optimise social skills - employment, self esteem, ADLs, etc..
Persistent Mood Disorders Cyclothymia Persistent instability of mood Onset in early life (teens) Chronic course Not severe to fulfill BPAD (Episodes <1/52 mania, <2/52 depres.) Dysthymia Chronic lowness of mood, prolonged periods of time usually able to cope with ADLs & demands Begins in early adulthood Last for several years Can be associated with bereavement
Anxiety Disorders - Agoraphobia - Social phobia - Specific phobia - Panic Disorder - GAD - OCD - PTSD
Agoraphobia Features - Most incapacitating of phobic disorders - F:M = 3:1 - Onset early in adult life (15-35 yrs) - Autonomic/psychological symptoms secondary to anxiety - terrified of collapse/left helpless in public - Anxiety generally restricted to; crowds/public places/travelling alone/travelling away from home. - Avoidance of phobic situation is prominent, can become housebound - presence of other disorders depression, obsessional symptoms, panic Management - Ongoing assessment - Psychoeducation - CBT – Work with cognitions (homework), Graded exposure with relaxation - Graded activity - Drugs: SSRIs
Social Phobia Features - 8% of all phobias - Centred around FEAR OF SCRUTINY by others - Lead to avoidance of social situation - Fear of vomiting in public - M = F - Associated with low self-esteem & fear of criticism - May present with blushing/hand tremor/nausea/urgency - Diagnosis: - Anxiety cause of symptoms & restricted to certain situations - Avoidance of phobic situation Management - Ongoing assessment - Psychoeducation - CBT – Work with cognitions (homework), Graded exposure with relaxation - Drugs: SSRIs
Specific phobias Features - restricted to highly specific situations - persistent irrational fear of object - contact with this immediate anxiety response - Avoidance of object - Fear/avoidance/distress interfere with individual’s life - Fear is recognised as being irrational/excessive - start in childhood/early adulthood Management - Ongoing assessment - Psychoeducation - CBT – Graded exposure with relaxation - Drugs: SSRIs
Panic Disorder Features - Recurrent anxiety attacks, can be severe (panic) - Unpredictable & sudden onset - Almost always due to fear of dying/losing control/going mad - Attacks last for minutes only - 20% adults at least once in life; 2% in 1 yr freq to get P.D. diagnosis - Onset mid 20’s, 1st panic attack in late teens - Panic attack: Increase fear autonomic symptoms hurried exit If this occurs in a situation avoid situation - Diagnosis: - Panic attacks not in background of another disorder - Several severe autonomic attacks in last 1/12 - No objective danger, not only in specific circumstances, relatively free from anxiety between attacks Management - Ongoing assessment - Psychoeducation - CBT – Recognise early warning signs, Relaxation, challenge avoidance - Hyperventillation can induce panic in vitro (useful in training) - (SSRIs)
Generalised Anxiety Disorder (GAD) Features - Essential feature is anxiety, which is generalised, persistent and not restricted to any situation (‘free floating’) - +/- somatic symptoms - F > M, Variable course - Often related to chronic environmental stress - Diagnosis: - Primary symptom of anxiety (most days, for weeks/months) - To include apprehension, motor tension, autonomic overactivity Management - Ongoing assessment - Psychoeducation (Avoid caffeine) - CBT: Relaxation, Graded activity, assertiveness training - Drugs: Amitriptyline, Venlafaxine, Buspirone, Clonidine Benzodiazepines – NOT advocated, can be used for short course - Yoga
Obsessive Compulsive Disorder (OCD) Features - Essential features Obsessive thoughts +/- Compulsive acts - Close relationship with depressive features - F = M - Prominent Anankastic features in personality - Onset childhood/early adulthood - Family history of OCD/Tourette Syndrome - Underlying the act is FEAR (of dirt, etc…) Ritual is way of reducing fear - Diagnosis: Obsessional thoughts +/- Compulsive acts most days 2/52 Be distressing/interfere with activities Obsessional symptoms – recognised as own, resisted unsuccessfully, NOT pleasurable, repetitive (impulses & thoughts) Compulsive acts – stereotyped behaviour, repeated, not enjoyable, no useful task completed, attempts to resist, recognised as pointless, seen as preventing an unlikely event (‘magical undoing’) Management - Ongoing assessment - Psychoeducation, distraction techniques (thought stopping) - CBT: Work with cognitions (homework), Exposure & response prevention - Drugs: SSRIs (at higher dose) Clomipramine (past, can still use) BEST effects when combined with CBT
Post Traumatic Stress Disorder (PTSD) Features - Delayed/protracted response to stressful situations - Excessive use of alcohol +/- drugs in majority - Recovery expected in majority; Small number chronic personality change - Diagnosis: - Within 6/12 (usually) - Traumatic, exceptional event - Repetitive intrusive recollections, flashbacks OR Re-enactment of events in memory/imagery/dreams (nightmares) Other Sx - Emotional numbing - Autonomic symptoms – hyperarousal, hypervigilence (startle reaction), insomnia - Anxiety & depression – suicidal ideation - ‘Cues’ Increase arousal Avoidance of such cues Management - Ongoing assessment - Psychoeducation - CBT: Aim of tx. Remove fear of situation/position Vitro: Graded exposure (in imagery) & relaxation Vivo: Systematic desensitisation with relaxation - Drugs: SSRIs (at higher dose)
Dementia Features - SYNDROME due to disease of brain - Chronic/progressive - Disturbance of multiple higher cortical function - Consciousness NOT clouded - Impaired cognition - Deterioration of emotional control/social behaviour/motivation - Memory - Affects registration, storage, retrieval of new information - Previously learned material may not be affected - Thinking - Processing of information is affected, difficult to attend more than one stimulus at a time - Reduced reasoning capacity - Reduced flow of ideas - Diagnosis: - Primary Evidence of decline in both MEMORY and THINKING which is enough to affect ADLs - Clear consciousness - For at least 6/12 (for confident diagnosis)
Dementia Types Alzheimer's Vascular Lewy Body HIV Parkinson’s Pick’s Huntington’s Creutzfeldt-Jakob Normal Pressure Hydrocephalus
Dementia – Alzheimer’s Disease Features - Primary degenerative brain disease - Usually in later life, but can occur earlier - Early onset +ve FH, rapid course, prominent features of temporal and parietal lobe dysfunction - Down’s Syndrome increased risk of AD - May be associated with vascular dementia - Memory problem is main feature - 1% at 65y, 10% at 80y, 40% at 90y (Rule: doubling every 5 years) - Pathology: Marked reduction in population of neurones Neurofibrillary tangles Neuritic plaques Granullovacuolar bodies Marked reduction in enzyme choline acetyl-transferase - Diagnosis: - Presence of dementia (see previous slide for guide) - Insidious onset & slow deterioration - Absence of features of systemic & other brain disease - Absence of sudden onset
Dementia Reversible causes of dementia These need to be excluded Hypothyroidism Hypercalcaemia Vitamin B12 deficiency Niacin Deficiency (Folate) Normal pressure hydrocephalus Subdural haematoma Syphilitic
Dementia - Management • Refer Memory Clinic • Differentiate from delerium/depression/paranoid disorders • Look for treatable causes (previous slide) • Physical investigations • FBC/U&E/LFT/TFT/Gluc/VitB12&Folate/Syphilis serology/Ca&Phos/ESR • Urine analysis & culture • ECG & CXR • CT Brain • Mini Mental State Examination MMSE (Memory Clinic) • Treatment; Treatable causes Behavioural changes – non-pharmacological Drugs: Antidepressants Anxiolytics Antipsychotics Anti-cholinesterase Inhibitors (Memory Clinic) • Vascular Dementia – Reduce risk Manage BP Low dose aspirin (note bleeding potential) Surgical treatment of carotid stenosis
Dementia - MMSE • Yr, month, DoW, date, season 5 • Place, Floor, city, county, country 5 • 3 Objects to remember 3 • WORLD backwards, serial 7’s 5 • Recall 3 objects 3 • Pen, watch – identify 2 • Repeat phrase ‘No ifs ands or buts’ 1 • 3 stage command 3 • Read & follow instruction 1 • Write sentence (verb & noun) 1 • Interlocking pentagons 1 Total 30 26-30 normal, 20-25 mild, 13-20 moderate, <12 severe (These figures are guidelines only, correlate with clinical picture)
Acute Confusional State (Delerium) Features - Rapid onset - Can be diurnally fluctuating - Any age, most common > 60y - Transient, fluctuating intensity - most recover within 4/52 - BUT can last for 6/12 esp. with chronic liver disease, Carcinoma, SBE - Diagnosis: Impairment of consciousness & attention Global disturbance of cognition - Impairment of recent memory & recall - Disorientation in time, severely of place & person - Perceptual distortions; illusions, hallucinations esp. visual - +/- transient delusions Psychomotor disturbances – hypo or hyperactivity, enhanced startle reaction Disturbance of sleep-wake cycle Emotional disturbance