Regresión logística multinomial con cuatro modos de entrada

2.5.1. Diagnosis System and Criteria:

The criteria used commonly for diagnosing a child with ADHD are those provided in DSM-IV-TR and in the ICD-10.

In the DSM the criteria are divided into two groups: inattentive and the hyperactive- impulsive. To diagnose a child with ADHD combined type, six of the nine symptoms of each group must be present. If the symptoms are insufficient to have a combined type diagnosing then predominantly inattentive and hyperactive diagnoses will be available (Nice, 2009)

In the ICD the symptoms are all listed under the name of hyperkinetic disorder, and must all be present for diagnosing. It qualifies only combined type of ADHD. ICD requires more restricted diagnosing criteria; all the symptoms must be present in more than one context, and it exclude children with any other disorders including anxiety, unless it is clear that thehyperkinetic disorder is considered as additional to the other disorder. In DSM the coexistence of psychiatric disorders are allowed (Nice,2009).

DSM-IV Criteria for Attention Deficit/Hyperactivity Disorder (DSM IV,2000,p.92-93)

A. According to the DSM-IV, a person with Attention Deficit/Hyperactivity Disorder must have either (1) or (2):

(1) Six (or more) of the following symptoms of inattention have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level:

Inattention

(a) often fails to give close attention to details or makes careless mistakes in school work, work, or other activities

(b) often has difficulty sustaining attention in tasks or play activities (c) often does not seem to listen when spoken to directly

(d) often does not follow through on instructions and fails to finish schoolwork, chores, or duties in the workplace (not due to oppositional behaviour or failure to understand instructions)

(e) often has difficulty organizing tasks and activities

(f) often avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort (such as schoolwork or homework)

(g) often loses things necessary for tasks or activities (e.g., toys, school assignments, pencils, books, or tools)

(h) is often easily distracted by extraneous stimuli (i) is often forgetful in daily activities

(2) Six (or more) of the following symptoms of hyperactivity-impulsivity have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level:

Hyperactivity

(a) often fidgets with hands or feet or squirms in seat

(b) often leaves seat in classroom or in other situations in which remaining seated is expected

(c) often runs about or climbs excessively in situations in which it is inappropriate (in adolescents or adults, may be limited to subjective feelings or restlessness)

(d) often has difficulty playing or engaging in leisure activities quietly (e) is often “on the go” or often acts as if “driven by a motor”

(f) often talks excessively Impulsivity:

(g) often blurts out answers before questions have been completed (h) often has difficulty awaiting turn

(i) often interrupts or intrudes on others (e.g., butts into conversations or games)

B. Some hyperactive-impulsive or inattentive symptoms that caused impairment were present before age 7 years.

C. Some impairment from the symptoms is present in two or more settings (e.g., at school [or work] and at home).

D. There must be clear evidence of clinically significant impairment in social, academic, or occupational functioning.

E. The symptoms do not occur exclusively during the course of a Pervasive Developmental Disorder, Schizophrenia, or other Psychotic Disorder and are not better accounted for by another mental disorder (e.g., Mood Disorder, Anxiety Disorder, Disassociative Disorder, or a Personality Disorder).

Attention Deficit/Hyperactivity Disorder, Combined Type: if both Criteria A1 and A2

are met for the past 6 months.

Attention Deficit/Hyperactivity Disorder, Predominantly Inattentive Type: if Criterion

A1 is met but Criterion A2 is not met for the past 6 months.

Attention Deficit/Hyperactivity Disorder, Predominantly Hyperactive-Impulsive Type: if Criterion A2 is met but Criterion A1 is not met for the past 6 months

Inattention, hyperactivity, and impulsivity are the common behaviors of ADHD. Some may say that it is normal for all children to be inattentive, hyperactive, or impulsive, but for children with ADHD, these behaviors are more severe and occur more often. According to the DSM IV a child to be diagnosed with this disorder must have symptoms

for 6 or more months and to a degree that is greater than other children of the same age (DSM IV,2000)

2.5.2.Assessment:

It is important that the key characteristics of ADHD are taken into consideration to understand the assessment of ADHD, the key features are( Nice,2009):

-The existence of the main problems of inattention, hyperactivity and impulsivity.

-These features must be inappropriate when compared with people in the same developmental level.

-Long duration of the symptoms

-Symptoms must be found in more than one setting; home, work, school…

-Symptoms must make an impact on psychosocial adjustment as well as current and/or general development

-“ the need to distinguish from neurodevelopmental disorders associated with learning disabilities and cognitive problems, and other mental health disorders or problems- neither using those other problems as evidence for ADHD nor neglecting the presence of ADHD when it coexists with them”(Nice,2009, p 23).

‐The need to figure out whether the impairment is caused only by ADHD or is caused by other disorders, or personal and social circumstances.

2.5.2.1 Parental Interview:

Diagnosing a child with ADHD rely on the clinical judgement. Therefore, interviewing the parents taking into consideration difficulties of the child at home, school and community, concerning ADHD and the associated features will be the core of the assessment procedure. Physical and emotional developmental history is carefully obtained to the present time. The age at which difficulties were presented first and how they developed is also included (Lewis , 2002.).Assessing family functioning is also important, considering these areas (Lewis , 2002):

-Psychosocial adversity and any past trauma. -Punishment strategy used in the family. -History of abuse.

-Evaluation of marital relationship -Effect of child on the family

-Agreement of parents on parenting issues

-History of any psychiatric disorder in the family, especially ADHD, learning disabilities, conduct disorder, depression.

-History of parents regarding disorders such as ADHD, LD or depression.

2.5.2.2Child Evaluation in the Office:

Children cannot report their difficulties accurately in the office, especially in the first visit, where the child might also behave in a normal way. Cognitive impulsivity can be identified in the office using simple tools such as paper and pencil. It is important to figure out the self-image of the child, as well as his/her world view. Comorbidity is evaluated in the office. Questions that open windows to the inner world of the child should be asked to the child. For example: “do you worry about things? what kind of things make you feel like this?, do you sometimes feel sad or mad?”( Lewis , 2002,p 650). Asking the child to talk about three magic wishes may bring out unexpected issues.

2.5.2.3 Information from School:

Important areas to be investigated either by a school report or through a telephone call: - learning situation

- ADHD rating scale by teacher - Comorbid disorder

-Present difficulties - Onset of difficulties

The contact between school and the treating physician is very crucial to make good assessment and treatment as well (Lewis, 2002)

2.5.2.4 Psychoeducational Assessment:

It is important to evaluate the child’s intelligence as well as the academic achievement. In turn, learning disabilities will be figured out if present, and will be able to assess its nature. Learning disabilities are much seen in the inattentive type, where they are secondary to LD. Low IQ children may develop inattention due to the advanced teaching level in the class(Lewis , 2002)

2.5.2.5 Medical Evaluation:

Medical history and physical examinations should be performed for the child. Any deficit in visual or hearing capabilities should be ruled out. The history of pregnancy should be taken from the mother, taking into consideration the smoking and drinking patterns. Sleep disturbance should be investigated as it might cause ADHD-like symptoms. No medical tests are to be done(Lewis , 2002).

2.5.2.6 Rating Scales:

Rating scales provide the clinician with a wide range of information about different symptoms. Rating scales can be given to different observers, where the child is rated in different environments as well as at different points in time. They help to assess severity of the symptoms, facilitate communication between the different observers regarding the findings and they help in measuring change with treatment (Lewis , 2002).

The Conners Rating Scale and the Achenbach are the most two common rating scales used to assess ADHD. The first scale was revised in 1999, and the last was issued in 2001. They provide ratings of attention and hyperactivity/impulsivity symptoms separately (Lewis , 2002).