Addiction Psychiatry 1.3 Flashcards
What was project MATCH?
Multisite (9) USA based RCT of 1726 patients testing the hypothesis that matching patient characteristics to specific treatments would improve alcohol dependence.
What did project MATCH find?
Patients with low support for drinking derived more benefit from motivational enhancement therapy.
Readiness to change and self-efficacy were the strongest predictors of long-term drinking outcomes.
What was the UKATT?
Multicentre (7) pragmatic effectiveness RCT of 742 patients comparing MET and Social Behaviour and Network therapy.
Results of UKATT
No difference in therapies used for alcohol dependence
Who did a meta-analysis into therapies for alcohol dependence
Slattery et al 2003
What do meta analyses of therapies for alcohol dependence show
No difference in therapies re efficacy
What happens in behavioural self-control training?
Placing limits on number of drinks Self-monitoring Using non-alcoholic spacers Using food before/after drink Assertiveness to refuse drink Reward oneself for goals
What is the FRAMES approach to alcohol?
Feedback of risks Responsibility highlighted Advised to abstain or cut down Menu of alternative options Empathic interviewing Self-efficacy enhanced
What is AA an example of
Twelve step facilitation programme (TSR)
What is the idea behind AA
Once someone becomes an alcohol, they remain to be so. This helps by being continuously vigilant and modifying lifestyle accordingly.
Twelve steps of AA
Accept powerlessness in front of alcoholism Admit only a greater power can help Make a decision to turn to care of god Make a searching and fearless moral inventory Admit wrongs done to others Become ready for removal of defects Ask him to help now Be willing to make amends to all Make direct amends where possible Continue personal inventory Prayer and meditation Practice and preach
What model is motivational interviewing based on
Transtheoretical model of change
Aim of motivational interviewing
Help patients explore and resolve their ambivalence about behaviour change
Create dissonance in drinker until they are willing to consider alternatives
Principles of motivational interviewing
Empathy
Attitude-behaviour discrepancy
Roll with resistance w/o confrontation
Support self-efficacy for change
Aim of CBT for relapse prevention
Enhance capacity to maintain abstinence
Impact of CBT on relapse re alcohol
Reduces relapse
Reduces intensity of relapse
Describe the minnesota rehab model
Use of detox, psychoeducation and AA attendance with 4 weeks stay on the ward followed by aftercare at rehab residences
What is a concept house?
Works on a therapeutic community model
Slightly confrontational style, firm feedback given, responsibility emphasized.
Residents have a role in running the house.
Give an example of a concept house
Phoenix house
Px of naloxone for opioid OD
IV at 0.8mg per 70kg of body weight
Harm reduction advice in opioid use
Do not use opiates while alone
Not to use in combination with other routes
Avoid IV
Inject in direction of blood flow
Rotate injection sites
Avoid neck, groin
Ensure complete dissolution before injection - else emboli can occur
Use sterile needles and syringes on each occassion
Use sterile water
Avoid lemon juice - can cause candida endophthalmitis
Never share needles
Drugs available to treat opioid withdrawal
Methadone
Buprenorphine
Alpha 2 agonists
How to decide which drug to give for opioid withdrawal
Patient choice
Duration of treatment
Adverse effects
Withdrawal severity
Which drugs should be used in opioid withdrawal if short duration is desirable
Alpha 2 adrenergic agonists
Buprenorphine
What is Buspirone not helpful in opioid withdrawal?
Chronic pain syndrome
Why does Buspirone not cause withdrawal symptoms on abrupt discontinuation?
Partial agonist
When is methadone for opioid withdrawal more effective?
If carried out slowly or with linear dose reduction
How long can methadone suppress withdrawal for?
24-36 hours
When should alpha 2 agonists be avoided?
Concerns for bradycardia or hypotension
What dose of methadone reduces withdrawal sx?
40-60mg/day
What might high doses of Buprenorphine produce in a dependent patient?
Withdrawal sx as acts as antagonist at high doses
What is methadone effective at?
Reducing heroin use, injecting and sharing equipment
At what doses is methadone effective as maintenance treatment?
60-120mg
Doses of buprenorphine for maintenance treatment
8-16mg
Drugs for relapse prevention with maintenance treatment in opioid misuse
Methadone
Buprenorphine
LAAM
Suboxone
What is LAAM?
Long-acting congener of methadone
How long does LAAM suppress withdrawal for?
48-72 hours
Advantage of LAAM over methadone
Less frequent clinic visits as suppresses withdrawal for longer
Why is LAAM no longer used?
Prolonged QT and Torsades de Pointes
What does Suboxone contain
Buprenorphine
Naloxone
Advantage of Naloxone in Suboxone?
Deters abuse of tablets by IV injection
What does of buspirone and naloxone produces unpleasant withdrawal sx if taken IV?
4:1
What is naltrexone used for?
To nullify effects of heroin if relapse occurs
How long does naltrexone last for
72 hours
Who is Naltrexone suitable for?
Adjuvant therapy
Highly motivated patients
Those who fear consequences if they do not stop opioid use
What forms of Naltrexone need to be tested
Implants
Depot
SEs of Naltrexone
Insomnia Dysphoria Abdominal pain Nausea/vomiting Joint and muscle pain Headaches
What must services do if an opioid dependent patient requests to become abstinent
Offer detox
Provide information
Offer community based approach
Offer first line treatment
What information must services provide to opioid dependent patients wishing to become abstinent?
Withdrawal experience
Management approaches
Loss of opioid tolerance on successful detox and so risk of intoxication rises
When should community based detox for opioid use not be ffered
Previous failure of community detox
Significant additional physical/MH problems
Polydrug detox
Considerable social problems
What is first line treatment for opioid withdrawal
Buprenorphine
Methadone
When should Lofexidine be considered in opioid withdrawal?
Those with mild or uncertain dependence
What must opioid dependent patients be warned about if given Lofexidine?
Need for adjuvant medications to manage nausea, vomiting and shivering
What psychosocial interventions should be offered to opioid withdrawal patients?
Self-help groups
Drug misuse services
Contingency management
Urine tests
Who with opioid dependence should be offered opportunistic brief interventions?
People with limited contact with services
What is contingency management
Incentives e.g. vouchers if clean urine test
How often to do urine tests in those who are in opioid withdrawal
Three tests a week for first three weeks
Two tests a week for next three weeks
Once weekly until stability achieved
Recommendation for treatment of amphetamine dependence
CBT and Contingency management
What pharmacological agents reduce intensity of cocaine withdrawal?
None
What is the fish bowl procedure?
Allowing patients to draw a voucher from a bowel after each negative drug test
Evidence for contingency management in cocaine use?
Evidence supporting its use
What do NICE guidelines recommend contingency management should be used for?
Treatment of primary stimulant misuse and illcit drug use in methadone maintenance treatment
Which psychosocial intervention has the most evidence for cocaine users?
Contingency management
Problem with contingency management
Reduction or loss of response when reinforcement is stopped
Acceptable outcome of smoking cessation in trials?
6 months or longer
Relapse rates of smoking after 6 months?
8%
How many smokers quit without assistance?
5-10%
How long is nicotine replacement therapy (NRT) given for?
2 weeks
How many patients are compliant with patch NRT?
82%
How many patients are compliant with gum NRT?
38%
How many patients are compliant with nasal spray NRT?
15%
How many patients are compliant with inhaler NRT?
11%
Over how long does the transdermal patch NRT deliver nicotine?
16-24 hours
Which NRT method delivers nicotine fastest?
Nasal spray - 5-10 minutes
How quickly does nicotine reach blood when NRT gum or inhaler is used?
20 minutes
Which NRT method delivers nicotine faster than smoking?
None
Drugs used for smoking cessatino
NRT Bupropion Nortiptyline Clonidine Varenicline
Who is Bupropion not licensed for in smoking cessation?
Adolescents
Pregnant women
Contraindications for Bupropion?
Hx of seizures or ED
Dose of starting Bupropion for smoking cessation
150mg OD for six days
Then increased to 300mg OD
By what stage should a smoker on Bupropion stop smoking?
Day 8 of treatment
How many weeks of treatment required on Bupropion for smoking cessatino?
8
What does NICE recommend if a smokers attempt to quit is unsuccessful?
Do not px NRT or Bupropion within 6 months
What was pathological gambling classified as in DSM IV?
Impulse Control disorder
Where is pathological gambling in DSM V?
Alongside substance use disorder
How many patients with pathological gambling have comorbid substance misuse?
30-50%
What is associated with pathological gambling?
Genetic markers influencing dopamine transmission
Impulsivity
What drugs reduce gambling frequency
Naltrexone Fluvoxamine CItalopram Sertraline Lithium
Who first described internet addiction?
Young - 1998
Which classification has internet addiction?
Neither
Categories of internet addiction
Cybersexual Syberrelationship Net compulsion (gambling/shopping) Information overload Computer addiction (gaming)
Which countries is internet addiction more common?
China
Taiwan
Southeast Asia
What is oniomania?
Compulsive buying
Which classificatinos have compulsive buying?
Neither
Definition of compulsive buying
Uncontrollable
Distressing, time-consuming and resulting in family, social, vocational and/or financial difficulties
Not occurring in context of hypomania or mania
Prevalence of compulsive buying
2-8%
Gender ratio of compulsive buying
> 80% are females
Medications used for compulsive buying
High-dose citalopram
Escitalopram
Therapies used for compulsive buying
CBT with self-monitoring
What is an ergogenic agent?
One used to enhance performance
What does ICD 10 classify steroids as?
Non-psychoactive substance
Where does ICD 10 classify steroid abuse?
F50.xx - disorders of physiology
How many fitness users use anabolic steroids?
13%
How are steroids taken?
PO
IM
What do steroids do when misused?
Support frequency and intensity of workouts
Enhance muscle bulk
Enhance strength and endurance
Speed up healing from sports injuries
Doses of steroids when misused
10-100 times greater than therapeutic doses
Patterns of steroid abuse
Cycling
Stacking
Pyramiding
What is cycling abuse of steroids?
Use for 4-12 weeks in cyclical fashion
What is stacking misuse of steroids?
Regular use of multiple preparations
What is pyramiding abuse of steroids?
Gradually building the dose to a peak and then tapering
What are anabolic steroid uses associated with?
Aggression Violence Psychosis Mania Depression Endocrine abnormalities
Endocrine abnormalities associated with steroid abuse
Acne - 50%
Testicular atrophy - 33%
Gynaecomastia
How many young people in Europe have taken legal highs in the past year?
5-10%
How much is the cost to test the harm of a psychoactive substance?
£1 million
How long does it take to test the harm of a psychoactive substance?
1 year
How do stimulant legal highs work?
Act via monoamine reuptake transporter - SERT, DAT or NAT blockade
Primary stimulant legal high
Mephedrone (meow moew)
Other stimulant legal highs
Benzylpiperazine Naphyrone NBOMe-series 2C-series Benzo fury Ivory Wave
Desired effects of stimulant legal highs
Euphoria
Disinhibition
Adverse effects of stimulant legal highs
Serotonin syndrome Psychosis Mania Hyperthermia Cardiovascular sx
How do psychedelic-like legal highs work
Act via 5HT1A, 2A and 2C receptors
Name some psychedelic legal highs
DMT Bromo DragonFLY 5-MeO-DAlt NBOMe-series 2C series Salvia
Desired effects of psychedelic legal highs
Perceptual alterations
Feelings of being boundless
Name some cannabis-like legal highs
JWH-018, 081, 122
AM-2201
UR-144
XLR-11
Desired efefcts of cannabis legal highs
Relaxation
Pain and anxiety reduction
Sedation
Euphoria
Adverse effects of cannabis legal highs
Paranoia
Psychosis
Anxiety
Seizures
Name some benzomimetic legal highs
Pyrazolam
Flubromazepam
Phenazepam
Desired effects of benzomimetic legal highs
Relaxation
Anxiety reduction
Sedation
Adverse effects of benzomimetic legal highs
Respiratory depression
Withdrawal seizures
How do dissociative anaesthetic legal highs work?
NMDA antagonism
Name some dissociative anaesthetic legal highs
Mexxy MXE Diphenidine 3 or 4-MeO-PCP N-EK 2-MK
Desired effects of dissociative anaesthetic legal highs
Dissociative state
Pain reduction
Weightlessness
Adverse effects of dissociative anaesthetic legal highs
Headache
Psychosis
GI sx
Cognitive impairment
What is the commonest non-genetic cause of learning disability?
Fetal alcohol syndrome
Sx in fetal alcohol syndrome
Intellectual impairment
Dysmorphic facial features
Disruptive behaviour
Guidelines for alcohol use in pregnant women
None
Maximum one a day
Treatment of alcohol use in preganncy
Psychosocial interventinos
Medication use for alcohol use in pregnancy
Avoid
Risk to the baby in opioid use in pregnancy
Injections: infection, drug-induced stillbirth, premature birth, antenatal complications,
Low birth weight
Microcephaly
Neonatal withdrawal
Mean reduction of baby in patients who use heroin during pregnancy
500grams
Principles of managing pregnant opioid user
Therapeutic alliance Reduce risk taking behaviours Stabilise on non-injectable alternatives Close liaison with obstetric, midwifery and paediatric teams HIV and hepatitis screening
When should detox for opioid use be used in pregnant women?
Middle trimester
If done in first trimester - abortion risk
Laster trimester - possible premature birth
Initial aim of treating pregnant opioid user
Stabilise on oral substitute
What needs to be done if a woman starts pregnancy while on methadone
Reduce 1mg every 3 days
Fetal monitoring
What dose of methadone is advocated during maintenance while pregnant
15mg
How much more likely is methadone to induce neonatal withdrawal than heroin?
60-80%
Impact of cocaine use in pregnancy on the baby?
Small for gestational age
Microcephalu
Impact of cannabis use during pregnancy on the baby
Affects neurodevelopment
2 fold risk of low birth weight
Mean weight reduction in babes of mothers who used cannabis during pregnancy
275grams
When is alcohol withdrawal seen in neonates
3-12 hours of delivery
Signs of alcohol withdrawal in the neonate
Hyperactivity Poor sucking Tremors Seizures Hyperphagia Poor sleeping pattern Diaphoresis
Signs of barbituate withdrawal in the neonate
Severe tremors Hyperacusis Excessive crying Vasomotor instability Diarrhoea Increased tone Hyperphagia Vomiting Disturbed sleep
Signs of marijuana withdrawal in neonates
Fine tremors
Hyperacusis
Prominent Monro reflex
Signs of nicotine withdrawal in the neonate
Fine tremors
Variations in tone
Poor self-regulation
When does opiate withdrawal begin in the neonate?
24-48 hours after birth
When do signs of opiate withdrawal show in the neonate?
3-4 days after birth
Signs of opiate withdrawal in the neonate
Hyperirritability GI dysfunction Respiratory dystress High-pitched cry Jittery movements Increased muscle tone
When do methadone withdrawal sx begin in neonates?
48-72 hours
May not start until 3 weeks
Signs shown in neonates when antidepressants are used in pregnant mothers
Jittery
Respiratory distress
What type of antidepressants lead to signs in the neonate?
Short-acting SSRIs like Paroxetine