Psychologic Treatment of Children and Adolescents

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Chapter 19 Psychologic Treatment of Children and Adolescents

Barriers that prevent children and their families from obtaining needed mental health services include stigma, shortages of mental health professionals, inadequate coverage of mental health services in public and private health insurance programs, inadequately trained clinicians, and fragmented service delivery systems. Pediatric practitioners are gatekeepers to children’s mental health services and increasingly are the primary providers of these services when specialized mental health care is not available.

The provision of supportive counseling, anticipatory guidance, and parent psychoeducation (Chapter 5) combined with medication management of noncomplex attention-deficit/hyperactivity disorder (ADHD) and pervasive developmental disorders are commonly undertaken in the medical home. Youngsters with complex and co-occurring psychiatric illnesses require intervention from specially trained mental health clinicians.

19.1 Psychopharmacology

Safety and efficacy data are available for the use of single psychotropic medications for the treatment of a number of childhood psychiatric disorders, including depressive, obsessive-compulsive, attention-deficit/hyperactivity, anxiety (including separation anxiety, social phobia, generalized anxiety), bipolar, and tic disorders. There also is evidence supporting the use of psychotropic medications for aggression and serious problems with impulse control in disruptive behavior and pervasive developmental disorders.

The evidence for treatment using multiple psychotropic medications at the same time is much smaller. Combinations of medications are used to address complex comorbid conditions, manage side effects, increase treatment response, and/or address symptoms hypothesized to be associated with multiple underlying neurotransmitter abnormalities (e.g., dopamine agonists for hyperactivity and serotonin agonists for anxiety).

To ensure safe and appropriate use of psychotropic medications, prescribers should follow best practice principles that underlie medication prescribing (Table 19-1). The use of medication involves a series of interconnected steps including performing an assessment, deciding on treatment and a monitoring plan, obtaining treatment assent or consent, and implementing treatment. Cognitive, emotional, and/or behavior symptoms are targets for medication intervention when there is no response to available evidence-based psychosocial interventions, there is a significant risk of harm, and/or there is significant functional impairment. Commonly encountered target symptom domains include agitation, anxiety, depression, hyperactivity, inattention, impulsivity, mania, and psychosis (Table 19-2).

Table 19-1 CLINICAL APPROACH TO PSYCHOPHARMACOLOGIC TREATMENT

Modified from Myers SM, Johnson CP, American Academy of Pediatrics Council on Children with Disabilities: Management of children with autism spectrum disorders, Pediatrics 120:1162–1182, 2007.

Table 19-2 TARGET SYMPTOM APPROACH TO PSYCHOPHARMACOLOGIC MANAGEMENT

TARGET SYMPTOM MEDICATION CONSIDERATIONS
Agitation

Anxiety Depression Antidepressant Hyperactivity, inattention, impulsivity Atomoxetine, bupropion, stimulant Mania Psychosis Atypical antipsychotic

Modified from Shaw RJ, DeMaso DR: Clinical manual of pediatric psychosomatic medicine: mental health consultation with physically ill children and adolescents, Washington, DC, 2006, American Psychiatric Press, p 306.

Stimulants

Stimulants are sympathomimetic drugs that act both in the central nervous system and peripherally by enhancing dopaminergic and noradrenergic transmission (Table 19-3). These medications are used to treat ADHD (Chapter 30) and in some cases as an adjunct in the treatment of depression and for fatigue or malaise associated with chronic physical illnesses. There is a range of stimulant options including those with short half-lives (typically 4 hr) and those with long half-lives (8-12 hr). The most commonly reported side effects are appetite suppression and sleep disturbances. Irritability, headaches, stomachaches, lethargy, hallucinations, and fatigue have also been reported. Anorexia and weight loss have been noted with controversy about their impact on ultimate growth in height.

Sudden death has been reported in association with the use of stimulants in children with structural cardiac abnormalities. This has led to the recommendation to avoid stimulants in patients with these abnormalities. Currently, no routine pretreatment cardiology evaluation is indicated unless the patient has a cardiac disorder and/or symptoms.

Atomoxetine is a selective inhibitor of presynaptic norepinephrine transporters; it increases dopamine and norepinephrine in the prefrontal cortex. It is effective in treating ADHD for 24 hr despite a plasma half-life of 4 hr. Common side effects include sedation, fatigue, somnolence, decreased appetite, weight loss, nausea, upset stomach, abdominal pain, and dizziness along with nonclinical increases in heart rate and blood pressure. In ADHD treatment studies, atomoxetine has had effect sizes of 0.6 to 0.7, compared to the 0.9 effect size with stimulants.

Antidepressants

Antidepressant drugs act on pre- and postsynaptic receptors affecting the release and reuptake of brain neurotransmitters, including norepinephrine, serotonin, and dopamine (Table 19-4). These medications have been useful in the treatment of depressive, anxiety, and obsessive-compulsive disorders.

The selective serotonin reuptake inhibitors (SSRIs) are the first line of medication treatment for anxiety and depressive disorders; the evidence supports a higher degree of efficacy for anxiety compared to depression. They have a large margin of safety with no cardiovascular effects. Side effects include irritability, insomnia, appetite changes, gastrointestinal symptoms, headaches, diaphoresis, restlessness, and sexual dysfunction (Chapter 58). Withdrawal symptoms are more common in short-acting SSRIs. Behavioral activation and suicidal thoughts have been reported. This has led to recommendations for close monitoring for these adverse effects, especially in the 1st wks of treatment.

The tricyclic antidepressants (TCAs) have mixed mechanisms of action (e.g., clomipramine is primarily serotonergic; imipramine is both noradrenergic and serotoninergic). With the advent of the SSRIs, the lack of efficacy studies (particularly in depression), and more serious side effects, the use of TCAs in children has declined. They continue to be used in the treatment of some anxiety disorders (particularly obsessive-compulsive disorder) and, unlike the SSRIs, can be helpful in pain disorders. They have a narrow therapeutic index, with overdoses being potentially fatal (Chapter 58

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