Attention Deficit Hyperactivity Disorder—State of the Art · Attention Deficit Hyperactivity...
Transcript of Attention Deficit Hyperactivity Disorder—State of the Art · Attention Deficit Hyperactivity...
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Attention Deficit Hyperactivity Disorder—State of the Art
Christopher Okiishi, MD
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What is ADHD?
• Three subtypes:– Inattentive (under-diagnosed, esp. in girls) – Hyperactive-Impulsive– Combined
• Impairments must exist in more than one setting
• Must start before age 12• Features often persist into adulthood
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What is ADHD?• Inattentive Symptoms
– Often fails to give close attention to details or makes careless mistakes in schoolwork, at work, or with other activities.
– Often has trouble holding attention on tasks or play activities.
– Often does not seem to listen when spoken to directly.
– Often does not follow through on instructions and fails to finish schoolwork, chores, or duties in the workplace (e.g., loses focus, side-tracked).
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What is ADHD?• Inattentive Symptoms
– Often has trouble organizing tasks and activities.– Often avoids, dislikes, or is reluctant to do tasks
that require mental effort over a long period of time (such as schoolwork or homework).
– Often loses things necessary for tasks and activities (e.g. school materials, pencils, books, tools, wallets, keys, paperwork, eyeglasses, mobile telephones).
– Is often easily distracted– Is often forgetful in daily activities.
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What is ADHD?
• Inattentive Symptoms– Six or more symptoms of inattention for children
up to age 16, or five or more for adolescents 17 and older and adults; symptoms of inattention have been present for at least 6 months, and they are inappropriate for developmental level
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What is ADHD?• Hyperactive Symptoms
– Often fidgets with or taps hands or feet, or squirms in seat.
– Often leaves seat in situations when remaining seated is expected.
– Often runs about or climbs in situations where it is not appropriate (adolescents or adults may be limited to feeling restless).
– Often unable to play or take part in leisure activities quietly.
– Is often "on the go" acting as if "driven by a motor".
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What is ADHD?
• Hyperactive Symptoms– Often talks excessively.– Often blurts out an answer before a question has
been completed.– Often has trouble waiting his/her turn.– Often interrupts or intrudes on others (e.g., butts
into conversations or games)
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What is ADHD?
• Hyperactive Symptoms– Six or more symptoms of hyperactivity-impulsivity
for children up to age 16, or five or more for adolescents 17 and older and adults; symptoms of hyperactivity-impulsivity have been present for at least 6 months to an extent that is disruptive and inappropriate for the person’s developmental level.
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What is ADHD?
• In addition, the following conditions must be met:– Several inattentive or hyperactive-impulsive symptoms were present before
age 12 years.– Several symptoms are present in two or more settings, (e.g., at home, school
or work; with friends or relatives; in other activities).– There is clear evidence that the symptoms interfere with, or reduce the
quality of, social, school, or work functioning.– The symptoms do not happen only during the course of schizophrenia or
another psychotic disorder. The symptoms are not better explained by another mental disorder (e.g. Mood Disorder, Anxiety Disorder, Dissociative Disorder, or a Personality Disorder).
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What is ADHD?
• Problems with diagnosis– Bipolar symptoms that mimic ADHD
• Speech• Impulsivity• Distractibility
– Bipolar symptoms that are NOT in common• Sustained mood shifts• Psychosis• Severe sleep distrubances
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What is ADHD?
• Problems with Diagnosis?– Depression symptoms that mimic ADHD
• Inattention/Concentration• Forgetfulness
– Depression symptoms that are NOT in common• Discrete period of symptoms (ADHD is life-long)• Sudden worsening rather than gradual onset
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What is ADHD?
• Problems with diagnosis– Other possibilities:
• Substance abuse• Anxiety disorders / Trauma
– Physical/Sexual abuse
• Over-reporting of parents/teachers– Get as many reporters as you can!
• Early psychotic disorders• Personality disorder• Sleep Disorders• Disruptive Mood Dysregulation Disorder
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Who has ADHD?• Common: 3-5 % of kids
– More common (4-9 times) in boys than girls• Inattentive subtype may me more common in girls
– May have genetic link
• May be co-morbid with:– Oppositional Defiant and Conduct Disorder– Tourette’s Disoder– Mood disorders– Substance abuse
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Who has ADHD?
• Predisposing factors– Abuse– Low birth weight– Toxins (Lead)– Cognitive Disorders– Intra-uterine drug exposure
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Why Treat ADHD?
• Untreated ADHD leads to:– Low self-esteem– Diminished academic / work performance– Under-developed social skills– Drug and alcohol use/abuse– Poor adult vocational skills– Poor relationship/parenting skills
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ADHD -- Treatment
• Stimulants/Analeptics– Ritalin (Methylphenidate)– Focalin (Dexmethylphnidate)– Dexedrine (Dextroamphetamine)– Adderall (Dextroamphetamine and racemics)
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ADHD -- Treatment
• Dosing of Stimulants– Start low, but increase quickly to maximal efficacy tolerated– Vyvance—prodrug--?lower abuse potential
• Converted to active drug on the red blood cell• 70 mg = 30 mg Adderall XR, 30 mg = 10 mg Adderall XR
– Adderall XR, Focalin XR, Ritalin LA – 50% immediate release / 50% long acting
– Concerta – 1/3 immediate release, 1/3 released in 4 hours, 1/3 released in 7-8 hours—OROS device—only 3 stage
– Metadate CD – 1/3 immediate release, 2/3 sustained release—gentlest / weakest delivery
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ADHD -- Treatment
• Side effects of stimulants– Weight loss– Insomnia– Irritability, mood lability
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ADHD -- Treatment
• Managing side effects of stimulants– Decrease dose– Alter dosing strategy– Change to another stimulant– Change to alternative agent– Supplement
• Periactin, Remeron
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ADHD -- Treatment
• Alpha 2 agonists– Catapres (Clonidine)
• Capvay
– Tenex (Guanfacine)• Intuniv
• Side effects of Alpha 2 agonists– Sedation (Clonidine more so than Tenex)– Little evidence for serious cardio side effects
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ADHD -- Treatment
• Tricyclic antidepressants– Imipramine probably most used)– Help with sleep as well as ADHD– Adjunctive or single agents
• Side effects of Tricyclics– Cholenergic
• Can help with enuresis– QTc prolongation (greater than 450, consider
stopping)
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ADHD -- Treatment
• Strattera– Norepinephrine reuptake inhibitor– Developed as an anti-depressant– Works much like Tricyclics– Fewer side effects
• Upset stomach– Give with evening meal
• No weight or sleep effects
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ADHD -- Treatment
• Other agents– Wellbutrin
• Can give concomitantly with stimulants!• Especially in comorbid depression• Watch for increasing irritability
– SSRIs, Effexor• No clear efficacy
– Neuroleptics• Used to manage behavior
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ADHD -- Therapy
• Therapeutic Interventions– Helps with co-morbid disorders
• Depression/low-self esteem• Conduct/Oppositional defiant disorder
– Helps family / spouse cope with behavior– Is not sufficient a treatment on its own
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ADHD -- Treatment
• Coexisting with a Person with ADHD– Make sure person has full attention before giving
instruction or direction• Eye contact
– Ask person to repeat back– Use simple directions
• Work up to multi-step commands • Cue cards/charts/lists
– ADHD is not an excuse for bad behavior• But can be an underlying cause of frustration
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Resources
• CHADD – Children and Adults with ADD– Chadd.org– Advocacy and resources
• “Driven to Distraction”– Edward M. Hallowell and John J. Ratey
• ASRS—Adult ADHD Rating Scale• https://add.org/wp-content/uploads/2015/03/adhd-
questionnaire-ASRS111.pdf