Neurodevelopmental Disorders Flashcards
What is autism spectrum disorder?
Neuro developmental disorder that affects a person’s social interaction, communication and behaviour
Usually diagnosed in childhood
Risk factors for ASD
Premature
Perinatal hypoxia
Advanced maternal or paternal age
ASD is a feature of these genetic syndromes
Fragile X syndrome
Tuberous sclerosis
Angelmann syndrome
Pathophysiology of ASD
Genetic aetiology: microarray And chromosomal analysis
Multiple genes and environmental factors involved
Sub-cortical hyperintensitiies in temporal poles
Clinical features of ASD
Abnormalities of social interaction Impaired social communication Restrictive or repetitive activities Sensory issues Severely restricted diet Issues with hygiene Self-harm as part of motor mannerisms Not tolerate loud noises or seem to have a very high pain threshold
Abnormality of social interaction
Poor eye contact
Failure to use facial expression or body language
Problems making friends with peers, difficulty in reading social situations
Impaired social communication
Delay or failure to develop either spoken language or sign language to communicate with others
Failure to initiate or continue conversations
Abnormal use of language: echolalia
Abnormal intonation, pitch, rate or rhythm of speech
Restrictive or repetitive activities
Children display preoccupations with unusual subjects
All-encompassing obsession with the minutiae of a subject
Need for routine
Abnormal preoccupation with toys and other materials
Motor mannerisms: hand flapping, repetitive and compulsive movements
Examination of a child with ASD
Skin stigmata or neurofibromatosis or tuberous sclerosis using a Wood’s light
Signs of injury: self-harm or child maltreatment
Congenital anomalies and dysmorphic features including microcephaly or microcephaly
Diagnosis of autism
One of the following features present from before the age of 3
A lack of social attachments
Abnormal/ delayed receptive or excessive speech development
Abnormal or lack of symbolic play
Differential diagnosis of ASD
Learning difficulties
Attachment disorders: fail to seek comfort when distressed or fail to be appropriately worried when picked up by someone unfamiliar
Rett’s syndrome: speech delay and repetitive and movements
Schizophrenia
Specific language disorders
Investigations for ASD
Symptoms should present consistently in different environments
MDT diagnosis, 2 people or more
School report
Educational psychologist, SALT, community paediatrician or child psychologist
Management of ASD
Behavioural management strategies: visual timetables, preparation and explanation for changes in routine
Educational measures: higher needs funding, education, health and care plan for school, environment of a special school
Adequate treatment of co-morbid conditions
Co-morbid conditions in ASD
ADHD
Sleep disorders
Learning disabilities
Mental health conditions
What is ADHD
Neurobehavioural disorder
Hyperactivity, inattention, impulsivity
Inability to focus, stay still or concentrate
Impacts their daily life, particularly their education