Depression Lawrence Pike. Depression n Detection n Diagnosis n Treatment n Suicide n Referral n...
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Transcript of Depression Lawrence Pike. Depression n Detection n Diagnosis n Treatment n Suicide n Referral n...
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Depression
Lawrence Pike
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Depression
Detection Diagnosis Treatment Suicide Referral Recurrence
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Depression - Detection
50% missed, especially in patients with chronic physical disease
Consulting styles makes a difference Screening tools can help
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Depression - Detection
Consulting styles– open questions– more time– more eye contact– less interuptions
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Depression - Detection
Screening Tools:– consider for those at high risk as improve
detection– Hospital Anxiety and Depression Scale
• more sensitive than GPs (90% vs. 49%)• less specific than GPs (86% vs. 96%)
– Two question test• sensitivity 96% but specificity 57%
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Depression - Detection
Two Question Test:– During the last month, have you often been
bothered by feeling down, depressed or hopeless?
– During the last month, have you often been bothered by little interest or pleasure in doing things?
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Depression - Diagnosis
DSM-IV Criteria for Major Depression:– Over the last 2 weeks five of the following
features should be present of which one or more should be:
• 1/ depressed mood• 2/ loss of interest or pleasure
– continued
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Depression - Diagnosis
• 3/ significant weight loss or gain or a change in appetite
• 4/ insomnia or hypersomnia• 5/ psychomotor agitation or retardation• 6/ fatigue or loss of energy• 7/ feelings or worthlessness or excessive guilt• 8/ diminshed ability to think or concentrate• 9/ recurrent thoughts of death (not just fear of
dying) or suicidal ideas
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Depression - Treatments
General Drug Treatment Psychological Treatments Other Treatments
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Depression - Treatments
General– whichever treatment is agreed and offered,
patients have a better outcome if given good clear information, especially a leaflet
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Depression - Treatment - Drugs
Antidepressants are all equally efficacious
They have similar drop-out rates Costs vary considerably Trazodone and lofepramine are cost
effective and safe in overdose Patients anxious addictive and need
information and reassurance
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Depression - Treatment - Drugs
When using tricyclics - use 100mg or 140mg for Lofepramine
Trial of 6 weeks If fails use a different class of drug Duration - 4-6 months after normal St John’s Wort as effective as TCA Stopping treatment- discontinuation
syndrome possible
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Depression - Psychological Treatments Problem solving - can be performed by GP
with some training but takes time Cognitive Therapy
– of value in those who respond to concept, prefer psychological treatment or have not responded to drugs. “Beating the Blues”
Counselling - not shown to be more effective than GP although patients may prefer
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Depression - Other Treatments
Written information – can improve mild to moderate
Exercise
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Depression - Suicide
Ask about known risk factors– most important is how depressed the
patient is and whether they have made any suicidal plans (as opposed to passive thoughts)
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Depression - Suicide Risk Factors
Active Suicidal ideationRecent self-harm 14Definite plan 5Hopelessness 5Severe depressive symptoms 3Psychotic symptoms (delusions,hallucinations)
3
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Depression - Suicide Risk Factors
Background risk factors!st degree family history of suicide 4Bereavement 3Male ?Living alone ?Physical Illness ?Recent psychiatric hospitaldischarge
?
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Depression - Referral
Serious suicidal intention Failure of treatment
– 2 courses of anti-depressant at full doses Difficulty with diagnosis For specific treatments (CBT) Severe psychomotor retardation
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Depression - Referral
Referral letters should contain:– Considered diagnosis– Why referral is being made– Degree of urgency– Treatment tried - including doses, duration
etc
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Depression - Recurrence
Recurrence Rate– 50% after one episode, 70% after two, 90%
after three.– 15% in first year after 6 months treatment,
40% after less than 4 months treatment Relapses reduced by long term
antidepressants
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Depression - Recurrence
Cognitive behaviour therapy– some evidence reduces relapses but no
satisfactory long term trials Discussion with patient
– Balance between long term medication and risks of recurrence will need careful consideration
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Depression
www.psychiatry.ox.ac.uk/