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POSITION STATEMENT

Fetal alcohol syndrome

Reaffirmed: Jan 30 2013

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Principal author(s)

First Nations and Inuit Health Committee, Canadian Paediatric Society , First Nations, Inuit and Métis Health Committee
Paediatr Child Health 2002;7(3):161-74 Addendum

Abstract

Alcohol is a physical and behavioural teratogen. Fetal alcohol syndrome (FAS) is a common yet under-recognized condition resulting from maternal consumption of alcohol during pregnancy. While preventable, FAS is also disabling. Although FAS is found in all socioeconomic groups in Canada, it has been observed at high prevalence in select First Nations and Inuit communities in Canada. This statement addresses FAS prevention, diagnosis, early identification and management for health care professionals. Prevention of FAS must occur at two levels. Primary prevention involves eliminating FAS through classroom or community education, and encouraging women to avoid consuming alcohol before conception and throughout pregnancy. Secondary prevention involves identifying women who are drinking while pregnant and reducing their consumption. This statement describes a variety of screening strategies including Tolerance-Annoyance, Cut Down, Eye Opener (T-ACE). Medical practitioners should recommend abstinence starting with the first prenatal visit. Prompt referral for alcohol treatment is recommended for pregnant individuals who are unable to stop drinking alcohol. This statement describes the diagnosis of FAS, partial or atypical FAS, alcohol-related birth defects and alcohol-related neurodevelopmental disorder. With a history of in-utero alcohol exposure, a diagnosis of FAS should be considered with current or previous growth deficiency, select facial abnormalities involving the upper lip and eyes, and neurodevelopmental abnormalities. These features are best quantified with the use of a four-digit diagnostic method. Strategies for early identification of possible alcohol-related abnormalities are outlined. Intervention focuses on optimizing development, managing behavioural difficulties and providing appropriate school programming. Of prime importance is earliest possible childhood intervention to prevent secondary disabilities that may result from delay while awaiting a definitive diagnosis of FAS. 

Key Words: Development; Fetal alcohol syndrome; Pregnancy

It is only since 1973, when Jones and Smith [1] reported the classic descriptions of the malformations associated with fetal exposure to alcohol, that the full scope of the devastation brought on by alcohol use during pregnancy was understood. A diagnosis of fetal alcohol syndrome (FAS) is based on a history of prenatal alcohol consumption by the mother, combined with a group of characteristics in the infant: poor growth, characteristic facial features and neurological abnormalities. Fetal alcohol effect (atypical FAS) originally described alcohol exposure with an incomplete picture of nonspecific physical and psychological manifestations. This nomenclature was then largely replaced by a classification system that specifies whether the effects are physical (alcohol-related birth defects [ARBD]) or related to the development of the nervous system or brain (alcohol-related neurodevelopmental defects [ARND]) [2]. Although ARBD and ARND do not necessarily accompany full-blown FAS, their effects can be just as severe [3]. More recently, Astley and Clarren [4] suggested limiting nomenclature to the use of FAS and atypical FAS.

Prevalence

The exact prevalence of FAS/atypical FAS is unknown. Abel [5] estimated the overall incidence of FAS at 0.97/1000 (0.097%) live births and 43/1000 (4.3%) among babies of heavy drinkers. More recently, on the basis of three population studies, Sampson et al [6] estimated the incidence of FAS to be between 2.8/1000 and 4.8/1000 live births, and the incidence of a combination of FAS and ARND to be at least 9.1/1000 live births. Although all races are susceptible, FAS is disproportionately higher among American Indian offspring [7].

There is increasing awareness of the extent of FAS and atypical FAS in native communities in Canada (8), especially the relationship of these conditions with developmental delay and difficulty in learning [9][10]. The few studies available suggest a very high incidence among Canadian Aboriginal people. Robinson et al [11] identified 22 (16%) of 116 children as having FAS in one Aboriginal community in British Columbia. A report by MacDonald [12] in 1991 suggested a rate of FAS in British Columbia of 3.3/1000 children and a rate of atypical FAS of up to five times as high if older children with the syndrome were included. Based on 42,909 births per year in 1998 (13), this predicted number of infants suggests that at least 142 infants are born with FAS and 710 infants are born with partial FAS per year in British Columbia. In northern Manitoba, based on physical findings at birth, Williams et al [14] estimated the incidence of FAS to be 7.2/1000 children, but suggested a number of cases may have been missed. FAS in newborns tends to be under-recognized [15].

Etiology

Alcohol is both a physical and behavioural teratogen. It is one of the leading causes of mental deficiency in the world. Autopsy and magnetic resonance imaging studies have demonstrated microcephaly, with evidence of tissue loss, cerebral dysgenesis, and abnormalities of glial and neuronal migration [16]. Holoprosencephaly is characteristic of FAS. It is a condition that is associated with failure of the brain to divide into two hemispheres, and is usually associated with neurodevelopmental and facial abnormalities. There may also be associated abnormalities of the corpus callosum (eg, agenesis, hypoplasia), the brainstem and the cerebellum, especially the anterior portion of the vermis. Other findings may include absent olfactory lobes, hypoplasia of the hippocampus and abnormal or absent basal ganglia; commonly hypoplastic or absent caudate nuclei. Positron emission tomography scans have demonstrated abnormalities in glucose metabolism, especially in the anterior caudate nucleus and the vermis of the cerebellum, even in the absence of overt structural abnormalities. Studies are being done to relate brain abnormalities with neurobehavioural outcomes.

The variability of brain lesions is thought to result from differences in the amount of alcohol ingested, the pattern and timing of drinking, or the mother’s genetic ability to metabolize alcohol.

Maternal factors

Maternal age and the amount of alcohol consumed were directly related to cognitive defects in a group of alcohol-exposed infants [17]. There was no relation between maternal drinking and neurodevelopmental outcome with a threshold intake of less than 15 mL (0.5 ounces) of alcohol per day, but above this level, infants of mothers older than 30 years of age were two to five times more likely to be functionally impaired than those of younger mothers. Functionally significant defects were seen primarily in infants whose mothers drank more than five drinks per occasion on an average of at least once a week. However, even in known alcohol-abusing mothers, FAS in newborns continues to be under-recognized [15].

Biochemical markers in the mother may help to gauge the amount of alcohol that is consumed. Stoler et al [18] measured four blood markers during pregnancy: carbohydrate-deficient transferrin, gamma-glutamyl transpeptidase, mean red blood cell volume and whole blood-associated acetaldehyde. All mothers who consumed at least 29.6 mL of alcohol per day had at least one marker. All mothers with two or more markers had infants whose heights, weights and head circumferences were less than those of normal babies.

Clinical manifestations

The effects of prenatal alcohol exposure range from death or FAS at one end of the spectrum, to relative normality at the other end. The diagnosis of FAS is based on a triad of features in an individual exposed to alcohol in utero: pre- and postnatal growth deficiency, a characteristic pattern of facial abnormalities and central nervous system dysfunction.

Abnormal facial features include short palpebral fissures, increased intercanthal distance, a flattened face with a short nose, absent or hypoplastic filtrum, and a bow-shaped mouth with a thin upper lip. Standards for these features have been established [4].

The most devastating sequelae of fetal alcohol exposure are neurobehavioural, associated with alcohol’s effect on the central nervous system [16]. In addition to microcephaly, central nervous system dysfunction may affect intelligence, activity and attention, learning and memory, language and motor abilities, and behaviour (Table 1).

TABLE 1
Age-related diagnostic criteria for fetal alcohol syndrome and/or atypical fetal alcohol syndrome

Infants

History of prenatal alcohol exposure

Facial abnormalities

Growth retardation-height, weight, head circumference

Hypotonia, increased irritability

Jitteriness, tremulousness, weak suck

Difficulty ‘habituating’, getting used to stimulation

Preschool

History of alcohol exposure, growth retardation, facial abnormalities

Friendly, talkative and alert

Temper tantrums and difficulty making transitions

Hyperactive; may be oversensitive to touch or over-stimulation

Apparent skill levels may appear to be higher than their tested levels of ability

Attention deficits, developmental delays-speech, fine motor difficulties

Middle childhood

History of alcohol exposure, growth retardation, facial abnormalities

Hyperactivity, attention deficit, impulsiveness

Poor abstract thinking

Inability to foresee consequences of actions

Lack of organization and sequencing

Inability to make choices

Lack of organization skills

Inappropriate behaviour

  • Overly affectionate-does not discriminate between family and strangers
  • Lack of inhibitions
  • Communication problems
  • Lack of social skills to make and keep friends
  • Unresponsive to social clues
  • Uses behaviour as communication
  • Difficulty making transitions

Academic problems-reading and mathematics

Behaviour problems-'stretched toddler’

Adolescent and adult

History of alcohol exposure, growth retardation, facial abnormalities

Intelligence Quotient-average to mildly retarded with wide range; continued school difficulties

Difficulty with adaptive and living skills

Attention deficits, poor judgment, impulsivity lead to problems with employment, stable living and the law

Serious life adjustment problems-depression, alcoholism, crime, pregnancy and suicide

Newborn

The features described above may not be readily apparent at birth because many of the manifestations of fetal alcohol exposure appear with age (Table 1). The most consistent physical finding in newborns with FAS, apart from the characteristic facial appearance, which may be difficult to recognize, is growth retardation, especially a small head circumference [19][20]. Increased motor activity, and alterations in motor tone and orientation behaviour have also been found [21]-[24] and tend to be relatively nonspecific. Hearing disorders [25], eye abnormalities [26] and assorted congenital abnormalities may also be found.

Early childhood

Throughout early childhood, other behavioural manifestations become evident, such as delayed motor and speech development [27][28], and decreased cognitive abilities [29][30], with more serious defects occurring in children whose mothers drank heavily throughout their pregnancies [8][11][19][31][32]. Difficulties with interpersonal relationship skills [33] are characteristic. Attention deficits, hyperactivity and impulsive behaviours similar to those found in children with attention deficit hyperactivity disorder (ADHD) have also been documented in children with FAS and/or atypical FAS [10][33]. As the children get older, specific learning impairments in language and number processing may become evident [10][34][35). Abnormalities of hearing and speech [25][36], and olfactory difficulties may also be noted.

Although heavy drinking, and especially ‘binge’ drinking, appears to have an effect on cognition, behaviour and development, several studies suggest that behavioural abnormalities and language deficits may vary greatly. Greene et al [37] followed, up to the age of three years, a cohort of infants who were exposed to alcohol prenatally and found no significant relationship between alcohol exposure and language difficulties, unless craniofacial effects of FAS were present. Similarly, Russell et al [38] found no significant difference in the intellectual development or auditory processing in children of moderate or ‘social’ drinkers who had no stigmata of FAS or atypical FAS. Abel [3] gave convincing arguments that low alcohol consumption levels are unlikely to cause FAS, that effects depend on high blood alcohol levels, and that the number of drinks consumed at a time is more important than the ‘average’ alcohol consumption. Similarly, Godel et al [20] found that moderate drinking (fewer than five drinks, less than once per week) had no measurable effect on the newborn size compared with frequent or binge drinking, which was associated mainly with microcephaly.

Central nervous system dysfunction affects mainly intelligence, activity and attention, learning and memory, language, and motor abilities.

Effects on activity and attention include tremulousness, hyperactivity, irritability (hallmarks), attention deficits (increased nonalert state) and impulsivity. Unlike children with ADHD, who may show a similar spectrum of activity, children with FAS and/or atypical FAS scored more like normal controls on tests of vigilance and reaction time. Ingestion of alcohol in the ‘social drinker’ range – 13.3 mL of absolute alcohol per day (AAP) – was associated with a poorer attention span, even when controlled for parity, smoking, home environment and the sex of the child. In these cases, hyperactivity was not the issue.

The Intelligence Quotient (IQ) in children with FAS is highly variable, ranging from 50 to 115. In the six-year-old offspring of mothers with ‘problem’ drinking during pregnancy, a mean decrease of seven IQ points was found [38][39]. Streissguth et al [40] found a similar decrease in IQ in six-year-old children who had been exposed to ‘binge’ drinking (greater than five drinks at one time) in utero. In a study by LaDue et al [41], adolescents and adults with FAS were found to have intellectual functioning in the mild to moderate range of impairment, with 46% scoring an IQ of less than 69. There was a marked discrepancy between a mean verbal IQ of 65 and a performance IQ of 79, with significant specific deficits in academic and adaptive function.

Even with a normal IQ, learning tended to be compromised in alcohol-exposed children. Features included poor short term memory with intact long term memory, difficulty establishing routines in infants (Brazelton Scale) [42], decreased academic performance, especially with ‘binge’ drinking, problems with verbal memory (recalling Word List) [43], and defects in spatial memory, with poor retention of learned tasks. Defects identified by testing include defects in replicating shapes from memory (clock drawing), and recalling and copying details. Problems with reading and mathematics are common [10].

Speech delay and language deficits such as difficulties in word comprehension, naming ability, articulation, expressive and receptive language skills, and articulation disorders are also typical.

Interpersonal skills tend to be impaired [34] and behaviour problems are common (Table 2). Difficulties include the inability to make and keep friends. Children with FAS and/or atypical FAS are excessively friendly, even to strangers, and lack the ability to discriminate between friends, family and strangers.

Cognitive problems are also common in children with FAS. Attention, short term memory, flexibility and planning, auditory memory (tapping memory and number sequences), and spatial visualization all may be affected [24]. These children may also have motor problems, including delayed motor development, impaired fine motor skills and difficulties with balance [25]. Problems that can be exposed by testing include delay in motor development and fine motor coordination, uncoordinated motor patterns, ataxia, hemiplegia, defects in motor speed, precision, finger tapping speed and grip strength [10].

Individuals exposed to alcohol in utero may have long term sequelae that requires life-long care and attention. LaDue et al [41], Olson et al [44] and Streissguth et al [45] have established a profile of psychological and behavioural manifestations of FAS and atypical FAS that do not improve with age. Poor judgment and the inability to appreciate the possible consequences of an action are common. If these characteristics are combined with frustration by poor school performance or a tendency toward impulsive behaviour, conduct leading to conflict with society may result. Furthermore, excessive familiarity and friendliness even toward strangers, combined with a lack of inhibitions, can also lead to exploitation and abuse.

Other problems with long term implications, such as poor social skills [31], difficulty with organization, and difficulty with recognizing and setting boundaries, make day-to-day living difficult and hazardous [46]. These continuing defects distinguish individuals with fetal exposure to alcohol from individuals with attention deficit disorders and learning disabilities not associated with alcohol exposure. There is evidence that adequate and early intervention can minimize the effects of behaviours related to FAS or atypical FAS [28][30]. Thus, it is important to recognize individuals with FAS or atypical FAS early.

Diagnosis and management

Management of FAS needs a proactive approach.

  • The first aim is prevention: changing attitudes toward drinking in young people of school age.
  • The second aim is to identify the at-risk drinker, if possible, before pregnancy occurs, allowing for early intervention in the drinking habits.
  • The third aim is to identify the at-risk infant, either at birth or in early infancy.
  • The fourth aim is to start intervention as soon as possible to prevent secondary problems.
  • The last aim is to make a more precise and definitive diagnosis, either of FAS or of comorbid conditions that require treatment so that specific services can be accessed and specific problems can be addressed.

Identifying the at-risk drinker

As a part of the traditional Aboriginal society, mother and baby are considered parts of a larger circle that involves partners, families and communities [47]. Identifying the at-risk women should be done in this context so that sympathetic support and treatment can be mobilized easily.

All women who are seen by primary care physicians, midwives or nurse practitioners should be asked about their drinking habits, whether pregnant or not pregnant. This line of questioning should be done respectfully as part of history taking, in the context of a culturally-based, traditional approach. The extent of drinking can be characterized as follows:

  • Abstainers: Consume no alcohol.
  • Low-risk drinkers: Consume one to two standard drinks per day, three times a week or less. Alcohol has no effect on their health. They do not use alcohol while driving, while pregnant, when breastfeeding or with certain medications.
  • At-risk drinkers: Consume seven to 21 standard drinks per week. Consume more than three to four standard drinks per occasion, or drink in high-risk situations.
  • Problem drinkers: Consume more than 21 standard drinks per week and may experience negative consequences (behavioural, family, medical, mental health, employment, legal, etc) from such drinking.

There are a number of ways to approach the subject of drinking. Questions should be part of a complete history that includes dietary intake, smoking habits and the extent of drinking. The questioner should be supportive and nonconfrontational, because merely asking the questions about drinking may elicit a defensive response. Nevertheless, it is important that all women, whether nonpregnant (Appendix 1) or pregnant (Appendix 2) be asked about their drinking habits.

Answers to these questions help to assess the degree of problem drinking and can lead to one of four possible conclusions:

  • patient is an at-risk drinker;
  • patient is a problem drinker;
  • patient may be alcohol-dependent; and
  • patient is not at risk [48].

An alternative approach to risk assessment is called Tolerance-Annoyance, Cut Down, Eye Opener (T-ACE).

  • How much alcohol do you drink before you feel its effects? (Tolerance)
  • Has anyone Annoyed you by saying you should cut down on your drinking?
  • Have you ever thought you should Cut Down?
  • Have you ever had a drink to get going in the morning? (Eye Opener)

If the woman answered the tolerance question with two or more drinks, the score is 2. A positive response to the other questions yields a score of 1 for each question. A total score of 2 or more indicates ‘at-risk’ drinking behaviour [49].

At-risk drinkers who are not pregnant should be advised to cut down or abstain from alcohol use. Dependent drinkers should be asked to abstain and should be referred to an alcohol specialist. The goal for a pregnant woman should be complete abstinence. Advice should be given with the support of the spouse, family and friends who are closest to the person at risk. The object is to make them allies for supporting the change in behaviour [47]. Strategies for intervention are outlined in the booklet, A Guide for Primary-Care Providers [48]. Close follow-up and sympathetic support are essential.

Early identification of the at-risk child

The importance of early diagnosis: The earlier that FAS and its associated problems are identified, the sooner effective management can begin. The doctor or the midwife is usually the first to be confronted with a potentially affected baby and has an important role to play in diagnosis and management. With early diagnosis, anticipatory guidance and support can be provided to the mother. Alcohol-affected infants may be very difficult to manage and there is potential for child abuse. It is also important to prevent further exposure of the infant to alcohol through breastfeeding [50]. Assessments and early intervention programs should be mobilized early so that plans can be made for the child’s future educational needs. There is evidence that early intervention may help to prevent and minimize secondary FAS and/or atypical FAS behavioural effects.

Identification of the at-risk newborn

Appendix 3 is a useful screen to help the primary care practitioner identify the newborn at risk for FAS [51]. Suspicion of FAS is based on physical signs, growth retardation, especially of the head [4][20], characteristic facial features [1][2][52] and evidence of central nervous system dysfunction. Affected newborn infants tend to sleep poorly; be irritable; be hypersensitive to touch, light and sound; have difficulty establishing routines; and be poor feeders.

Early management: Identified at-risk infants should be referred to early childhood intervention programs without delay to prevent damaging behaviours that may develop, and to deal with developmental problems. The mother should be given support and help in dealing with a difficult infant. Often, the mother has FAS and may have problems coping with a difficult child.

Identification of possible FAS in the toddler or preschool child

The older at-risk child will often present with more definite and specific signs than the newborn child: developmental delay, especially of speech, poor growth and behavioural abnormalities. Characteristic behavioural manifestations of FAS, such as hyperactivity, poor judgement, inability to appreciate consequences of actions, excessive friendliness, difficulties with sequencing, poor short term memory and learning difficulties, may become apparent at this stage. Screening of the 18- to 24-month-old child (Appendix 4) and of the four- to five-year-old child (Appendix 5) can help the paediatrician, physician or public health nurse in the diagnosis and management of FAS [51]. Appendix 6 gives standards for measurements of palpebral fissure. No standards have been established for Canadian Aboriginal people.

Early management: If behavioural, physical or learning difficulties typical of FAS are identified, the child should be referred not only for further diagnostic work-up by an FAS team, but also for help in managing behaviours. However, it is important to begin intervention even in the absence of a definitive diagnosis.

Identification of FAS in the school-aged child

The school-aged child, if not previously identified, will usually be referred for diagnostic work-up because of learning problems – especially with reading and mathematics – or with behavioural abnormalities. The full spectrum of behavioural abnormalities (Tables 1 and 2 ) may be evident as well as secondary, usually negative, behavioural manifestations. This child should be referred for a full work-up, which requires cooperation among the teacher, parent, school psychologist and physician.

TABLE 2
Cognitive and behavioural profile of children with fetal alcohol syndrome and/or atypical fetal alcohol syndrome

Lack of organization

  • Sequencing
  • Inability to make choices

Poor abstract thinking

Inability to foresee consequences

Impulsive

Inappropriate behaviour

  • Excessive friendliness
  • Lack of inhibitions

Inability to learn from previous experiences

Communication problems

  • Unresponsive to social clues
  • Inability to make and keep friends
  • Use behaviour as communication

Difficulty with adaptive living skills

Making a definitive diagnosis

A definitive diagnosis of FAS is difficult to make because there are no biochemical markers and the manifestations of this condition are so variable. Making the diagnosis depends on identifying a spectrum of clinical characteristics that are static and not due to postnatal factors. The participation of a team of skilled physicians and psychologists may be needed to carry out the detailed physical examination, developmental assessment, cognitive tests and parental and school behaviour questionnaires to provide the precision required for diagnosis.

The 4-digit Diagnostic Code [4] provides a reproducible, objective, consistent and precise method for the diagnosis of FAS. Four criteria are assessed, quantified and assigned a rating of 1 to 4 for each criteria, depending on the degree of abnormality:

  • impaired growth;
  • facial abnormalities [52];
  • abnormal brain function; and
  • degree of maternal drinking.

Precise criteria for evaluating maternal drinking, growth and facial characteristics are provided with the diagnostic guide [4]. Although brain dysfunction is the most significant disability caused by prenatal exposure to alcohol, it is also the most difficult to assess because it includes parameters, such as IQ, cognition, and neurological and behavioural abnormalities, that vary considerably among individuals. Dysfunction is rated on a scale of 1 to 4, depending on severity.

A rating of 4 (definite brain dysfunction) defines a situation of ‘static encephalopathy’ and depends on definite findings of brain damage – microcephaly, abnormalities of brain imaging, persistent neurological findings of prenatal origin and/or an IQ score of 60 or lower.

At the other end of the scale, a rating of 1 (absent) is given when no brain problems are demonstrated.

A rating of 3 (probable brain dysfunction), also characterized as ‘static encephalopathy’, is based on abnormalities in three of four areas of brain function affecting cognition, achievement, adaptation, neurological ‘soft’ signs and language.

A rating of 2 (possible brain dysfunction), referred to as ‘neurobehavioural disorder’, is based on personal observations and historical information about behaviour, suggesting the possibility of brain damage.

Defining these abnormalities may depend on extensive observation, checklists and testing. The easily administered and specific fetal alcohol behaviour scale, developed and standardized by Streissguth et al [43], may be useful in quantifying behaviours. It is based on scoring a simple "yes/no" on 36 items and the results are valid regardless of age, race, sex or IQ.

Table 3 lists a number of tests that may also be useful in quantifying behaviours, and cognitive and neurodevelopmental abnormalities, but may require the services of a psychologist [42][43][53][54].

The numbers obtained in the four categories are then slotted into a four-digit diagnostic code. Codes vary from 1111 (normal) to 4444 (unequivocal FAS) [4]. Grouping results in 22 code combinations, all of which lead to different diagnostic possibilities. Only three possibilities refer to FAS (FAS, alcohol exposed; FAS, alcohol exposure unknown; and atypical FAS, alcohol exposed). Advantages of this system include precision and reproducibility, consistency of diagnosis and consideration of other possible diagnoses. Disadvantages include the possibility of false negatives. For instance, if a definite history of alcohol exposure and behaviours typical of FAS are found (Table 2), but growth failure and typical FAS facial features are absent, the resultant scores (1134 or 1143) would be designated as ‘static encephalopathy’ and not FAS, even though fetal alcohol exposure may be the likely cause. This difference in labelling may be important because funding for intervention services may hinge on a stated diagnosis of FAS.

The use of the four-digit diagnostic scale is recommended for making the diagnosis of FAS. It is fairly simple and straightforward, and can be carried out by a well-trained physician with a minimum of sophisticated tests. Testing by a psychologist may be useful in further defining disabilities and in planning intervention.

TABLE 3
Tests available to delineate neurodevelopmental problems

Tests used to measure intelligence may include:

Bayley Scales of Infant Mental and Motor Development (Bayley) resulting in a Mental Development Index

Stanford Binet – yields Intelligence Quotient (IQ)

Wechsler Scales – yields IQ

  • Wechsler Preschool and Primary Scales of Intelligence (WPPSI and WPPSI-R [revised])
  • Wechsler Intelligence Scale for Children (WISC and WISC-R [revised])
  • Wechsler Adult Intelligence Scales

Tests used to measure attention and hyperactivity include:

Taland Letter cancelling test

Wisc-R digit span

Wisconsin Card Sorting Test (WCST) – indicates shifting attention

Attention deficit hyperactivity disorder comprehensive Teacher’s Rating Scale (ACTeRS) [54]

Tests of learning and memory include:

Brazelton Scale – habituation [42]

Pediatric Early Elementary Examination (PEEX) [60]

Pediatric Examination of Education Readiness (PEER) [61]

Brigance [53][62]

Tests of language include:

Denver Development Screening Test (DDST)

Word Span

Naming

Word comprehension

Woodstock Reading Master

Tests of motor abilities include:

DDST

WISC-R

PEEX [60]

PEER [61]

Tests of social skills and behaviour include:

Vineland Adaptive Behaviour Scales (VABS) [31]

Fetal Alcohol Behavior Scale (FABS) [43]

FAS\atypical FAS Scale [10]

ACTeRS [54]

Test of Visual-spatial difficulties include:

Beery Developmental Test of Visual-Motor Integration

Frosting Development Test of Visual Perception

PEEX [60]

PEER [61]

Intervention

Intervention should be based on need, and should not be delayed because of long waiting lists or delay in accessing definitive diagnostic services. The consequences of delaying treatment can be serious for children with FAS. Children with FAS who are excessively friendly may be at risk for abuse, and those who lack a sense of consequence may get into trouble with the law. Indeed, a high percentage of youth in the criminal justice system have been identified with FAS and/or atypical FAS [55]. Delays in dealing with behavioural and cognitive problems at this stage can result in secondary disabilities [56[ and problems such as school failure, loss of self-esteem, frustration and acting out. While abnormalities associated with FAS are permanent and life-long, some can be modified with early intervention. Indeed, the literature on FAS is full of reports of successes associated with early intervention [57].

If neonatal or infant screening identifies behavioural or neurodevelopmental abnormalities, treatment should start as soon as possible. Health care providers should not wait for a more definitive diagnosis, but should begin working on the child’s interpersonal behaviours and learning in a way that promotes self-worth and self-esteem. This approach means identifying the child’s strong points and building on them.

Referral for a more specific diagnosis is important to establish an etiology. Because not all children with FAS and/or atypical FAS have the same spectrum of abnormalities, identification permits the planning an intervention program that is more specific to the individual.

Infants with FAS and/or atypical FAS are very difficult to manage, and because of this problem, they are at risk for abuse from caregivers. Caregivers must be given information about what to expect from the infant and should be provided with guidance in managing behaviours. They may need respite care.

Parents and caregivers can learn to take cues from the baby. Infants should be handled and stroked gently, and cuddled frequently with frequent eye contact and soft, soothing words. Sudden movements and bouncing should be avoided. Infants and children with FAS and/or atypical FAS handle transitions poorly, so it is important to establish a strict routine.

Long term objectives of early childhood intervention and education include:

  • establishing and maintaining a sense of self-worth;
  • establishing acceptable interpersonal behaviour;
  • fostering independence; and
  • teaching children how to make acceptable decisions.

Within an early childhood intervention program, these children may be taught to function within their limitations, learn how to make proper choices, develop acceptable interpersonal skills, master basic life skills and, above all, maintain self-esteem. Such educational intervention often means scaling down academic expectations and emphasizing training for future self-sufficiency. Programming for success can result in improved learning and enhanced self-image, which in turn can decrease ‘acting out’ behaviours.

As children get older, their difficult behaviours may be related to limited short term memory, problems with sequencing, difficulties making choices and a lack of appreciation of consequences of actions. As a result, they have difficulty remembering simple routines and instructions. It is important to keep tasks simple, to use concrete examples and to give instructions one at a time. They may have difficulty recognizing and reacting to dangerous situations, so may need to be protected at all times. Limits should be simple and consistent and explanations should be given calmly. Tantrums may represent attempts at communication and should be handled with short time-outs. Children with FAS and/or atypical FAS need to be taught effective means for making their wants known.

Strategies for dealing with difficult behaviours include the following.

  • Keep tasks simple.
  • Use concrete examples.
  • Keep instructions simple and give them one at a time.
  • Concentrate on life skills.

More specific strategies depend on the problems that are uncovered. Hinde [58] outlined approaches to specific behaviours in the one- to three-year-old child with FAS or atypical FAS.

Close communication and cooperation is necessary between parents and professionals. Parents should be taught how to analyze tasks by identifying a desired outcome, then breaking the task down into small steps. Specific measures can be developed to help modify attention and hyperactivity problems. Teaching the child to distinguish family and friends from strangers can diminish the problem of excessive friendliness. Poor sequencing can be addressed by establishing routines and using pictures to reinforce them. The goal is to help children learn skills that will eventually lead to independent living.

Similar strategies can be extended to the preschool- and school-aged child [59]. Teachers need to be trained in effective techniques and need to work in cooperation with parents and school psychologists.

It is important to train specialists to deal with behavioural abnormalities in early childhood intervention programs. Intervention by community-based specialists working directly with parents or foster-parents should be carried out in the context of the family and the community. Because experts in early childhood education are few, their services could be supplemented by well-trained volunteers who could do home visits and supply family support. Training could occur in the community in a fashion that is modelled on the training of crisis-line volunteers.

If possible, affected children should remain with their birth families. Parenting courses should be made available and parents should be encouraged to participate. However, if the mother has been affected by FAS or is unable to cope, or if the family situation threatens the well-being of the child, foster care may be necessary. Foster families should have specific training or be experienced with FAS children. The frustration level is often very high and caregivers need respite. Multiple foster homes should be avoided because they are damaging to attachment and the child’s self-esteem. Some individuals with FAS may not be able to develop the skills to live independently and may require long term group home placement.

Ongoing research is desirable to see whether measures taken are effective and should be criteria-based. Using the 4-digit Diagnostic Code assures that criteria for diagnosis are consistent. It also allows comparisons of prevalence, outcomes and the effectiveness of preventive and intervention measures.

Funding

Children across Canada do not have equal access to diagnostic and intervention services. For example, status Indians are funded for more comprehensive services than nonstatus individuals in northern Saskatchewan, despite having the same range of problems. Training of early childhood education specialists, school psychologists, occupational and physiotherapists should also be covered globally.

Funding should not depend on a formal diagnosis of FAS. Because of waiting lists and the lack of a definitive diagnosis, the ‘window of opportunity’ for dealing with behavioural abnormalities and preventing secondary disabilities is often missed. Currently, only children who are labelled as ‘disabled’ can access funding. FAS and related developmental and physical conditions should be considered disabilities that are eligible for financial help.

Funding for FAS must be global, with each jurisdiction contributing to a ‘pot’ from which all children can benefit. This would require unprecedented cooperation between the federal government, provincial governments, social services, native bands and departments of education.

Recommendations

The Canadian Paediatric Society recommends that the following measures be taken to prevent, diagnose and manage FAS.

  • Primary prevention of FAS should involve school-based educational programs; early recognition; treatment of at-risk women; and community-sponsored, culturally-centred programs. Health care providers should ask women about their drinking habits, whether or not they are pregnant.
  • Health care providers play an important role in identifying babies or children with FAS. They should become familiar with the screening tools that are available to diagnose the condition in children at various ages.
  • If behavioural or physical abnormalities consistent with FAS are identified, intervention should begin without delay, even before a definitive diagnosis is made.
  • Intervention programs should involve the child’s family and community.
  • FAS diagnostic and treatment services require a multidisciplinary approach, involving physicians, psychologists, early childhood educators, teachers, social service professionals, family therapists, nurses and community support circles.
  • Diagnostic and treatment services should be publicly funded and available to all Canadians, regardless of their ethnicity, status (eg, status and nonstatus aboriginals), place of residence or income.
  • Interventions should continue to be evaluated for effectiveness.
  • To ensure that all children have access to the appropriate services and support, cooperation is required at various levels and across various sectors: federal government; provincial ministries of health, social services and education; and local community groups.
  • Individuals and groups providing diagnostic and treatment services should take a culturally based, holistic approach.

FIRST NATIONS AND INUIT HEALTH COMMITTEE

Members: Garth Bruce MD (director responsible); Jim Carson MD (chair); James Irvine MD; Keith Menard MD; Kent Saylor MD; Leigh Wincott MD
Consultants: Fred Baker MD; John Godel MD; Michael Moffatt MD; Gary Pekeles, MD
Liaisons: Claudette Dumont-Smith, Aboriginal Nurses Association of Canada; Reepa Evic-Carleton, Inuit Women’s Association; Melanie Morningstar, Assembly of First Nations; Margaret Horn, National Indian and Inuit Community Health representative; David Grossman MD, Committee on Native American Child Health, American Academy of Pediatrics; Vincent Tookenay MD, Native Physicians Association of Canada
Principal author: John Godel MD

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Addendum

September 2010

Much progress has been made since the Canadian Paediatric Society’s position paper on fetal alcohol syndrome (FAS) was first published in 2002 [1]. Fetal alcohol spectrum disorder (FASD), which includes FAS, is the result of prenatal exposure to alcohol. FASD is not a diagnostic term itself, but is the umbrella term that encompasses the spectrum of diagnoses due to alcohol exposure in utero. FASD presents with a wide range of physical, cognitive and neurodevelopmental disabilities. The cost to the individual and society is significant, especially in the First Nations, Inuit and Métis populations.

The exact prevalence of FASD in Canada is unknown. However, a recent estimate of the prevalence of FASD was reported to be 9.1 per 1000 live births [2][3]. Formal diagnostic approaches include those described by the Institute of Medicine [4] and the 4-Digit Diagnostic Code from the University of Washington FAS Diagnostic and Prevention Network [5].

Candian Guidelines for the Diagnosis of FAST

In Canada, new diagnostic guidelines were published in 2005 after an expert subcommittee of the Public Health Agency reviewed available diagnostic approaches. These guidelines have become the standard for FASD diagnosis in Canada [6].

FASD includes the following:

FAS: Patients with FAS have confirmed alcohol exposure in utero (may be unconfirmed in cases of adoption or foster care), full expression of FASD with facial dysmorphology, growth deficiency, and evidence of impairment in three or more central nervous system (CNS) domains (including hard and soft neurological signs, structure, cognition, memory, communication, attention and executive functioning).

Partial FAS: Patients with partial FAS have confirmed alcohol exposure in utero, partial facial features and evidence of impairment in three or more of the CNS domains.

Alcohol-related neurodevelopmental disorder: Patients with an alcohol-related neurodevelopmental disorder have confirmed alcohol exposure in utero, no evidence of growth deficiency or dysmorphic facial features, and impairment in three or more of the CNS domains.

Neurodevelopmental deficits are not specific to FASD. Differential diagnoses include attention deficit disorder with or without hyperactivity, learning disabilities, attachment disorder, and other genetic and psychiatric conditions. Congenital malformations that may not be caused by alcohol exposure can occur in children with FASD. Therefore, the term alcohol-related birth defect should not be used as a diagnosis.

There is no specific treatment for FASD, but early diagnosis and intervention strategies can prevent secondary disabilities, including mental illness and difficulties with the law. A multidisciplinary team is recommended for accurate assessment and diagnosis.

Special consideration for First Nations, Inuit and Métis Children

While a high prevalence of FASD among Aboriginal children has previously been documented [7][8], FASD is not a problem unique to Aboriginal communities. It is not a particular ethnic background that puts women at risk for having children affected by FASD. Rather, social determinants of health such as poverty, poor education, untreated mental illness, physical and sexual abuse, and social isolation increase the risk [9]. FASD is common in adopted children, both from within Canada and other countries. Despite increased awareness, prevention efforts and government commitments toward funding specific programs, FASD continues to affect many First Nations, Métis and Inuit communities. Culturally sensitive prevention programs for school children, pregnant women and communities have been established in some communities, and more communities have access to diagnostic teams. However, test results of children living in different cultural environments must be interpreted with caution. Children with diagnosed FASD living in First Nations communities have very limited access to family, educational and social supports, and long-term intervention strategies are greatly lacking. First Nations, Métis and Inuit children with FASD are overrepresented in foster care [10]. Placement breakdown is common and leads to secondary disabilities.

The need for prevention and long-term intervention strategies and research

Children with FASD and their caregivers require long-term, sustainable supports in all regions of Canada.

Much effort has been directed toward FASD prevention strategies and awareness campaigns. These programs need to be expanded to include more strategies and supports for high-risk mothers, such as the Parent-Child Assistance Program [11].

The most important component of prevention is to improve the general social conditions in communities where there is a high prevalence of FASD.

The Canadian Paediatric Society recommends more research to develop a better understanding of the most effective FASD prevention and intervention strategies for children throughout the lifespan. These strategies include medical interventions (including medication as well as nutrition), educational programs, family support and social coaching.

Paediatricians need to continue to strongly advocate for better services for Canada’s most disadvantaged children.

Additional resources

  • Canada Northwest FASD Research Network <www.CanFASD.ca>.
  • National Organization on Fetal Alcohol Syndrome <www.nofas.org/living/strategy.aspx>.
  • Fetal Alcohol Disorders Society <www.faslink.org>.
  • Aboriginal Children’s Circle of Early Learning <www.accel-capea.ca/specialNeedsEN.php>.

Acknowledgements
This document was reviewed by the Canadian Paediatric Society's Community Paediatrics Committee.

References

  1. Canadian Paediatric Society, First Nations and Inuit Health Committee [Principal author: J Godel]. Fetal alcohol syndrome. Paediatr Child Health 2002;7:161-74.
  2. Sampson PD, Streissguth AP, Bookstein FL, et al. Incidence of fetal alcohol syndrome and prevalence of alcohol related neurodevelopmental disorder. Teratology 1997;56:317-26.
  3. Alberta Alcohol and Drug Abuse Commission. Estimating the rate of FASD and FAS in Canada. <http://www.aadac.com/547_1224.asp> (Accessed on July 15, 2010).
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  5. Astley SJ. Diagnostic Guide for Fetal Alcohol Spectrum Disorders: The 4-Digit Diagnostic Code, 3rd edn. Seattle: University of Washington, 2004.
  6. Chudley AE, Conry J, Cook JL, et al. Fetal alcohol spectrum disorder: Canadian guidelines for diagnosis. CMAJ 2005;172:S1-21.
  7. Robinson GC, Conry JL, Conry RF. Clinical profile and prevalence of fetal alcohol syndrome in an isolated community in British Columbia. CMAJ 1987;137:2003-7.
  8. Williams RJ, Odaibo FS, McGee JM. Incidence of fetal alcohol syndrome in northeastern Manitoba. Can J Public Health 1999;90:492-4.
  9. Astley SJ, Bailey D, Talbot C, Clarren SK. Fetal alcohol syndrome (FAS) primary prevention through FAS diagnosis: II. A comprehensive profile of 80 birth mothers of children with FAS. Alcohol Alcohol 2000;35:509-19.
  10. Gough P, Fuchs D. Children with FASD-related disabilities receiving services from child welfare agencies in Manitoba.<www.cwrp.ca/publications/430> (Accessed on July 15, 2010).
  11. Grant TM, Ernst CC, Streissguth AP. Intervention with high-risk alcohol and drug-abusing mothers: I. Administration Strategies of the Seattle Model of Paraprofessional Advocacy. J Community Psychol 1999;27:1-18.

FIRST NATIONS, INUIT AND MÉTIS HEALTH COMMITTEE

Members: William Abelson MD (Board Representative); Anna Banerji MD; Lola Baydala MD; Heidemarie Schröter MD; Sam Wong MD (Chair)
Liaisons: Libby Dean, Inuit Tapiriit Kanatami; Debbie Dedam-Montour, National Indian and Inuit Community Health Representative; Carolyn Harrison, Health Canada, First Nations and Inuit Health Branch; Kathy Langlois, Health Canada, First Nations and Inuit Health Branch; Veronica Matthews, Aboriginal Nurses Association of Canada; Heather McCormack, Health Canada, First Nations and Inuit Health Branch; Kellly Moore MD, American Academy of Pediatrics, Committee on Native American Child Health; Rena Morrison, Assembly of First Nations, Health and Social Sector; Barbara van Haute, Métis National Council
Consultant: Kent Saylor MD
Principal Author: Heidemarie Schröter MD

Disclaimer: The recommendations in this position statement do not indicate an exclusive course of treatment or procedure to be followed. Variations, taking into account individual circumstances, may be appropriate. Internet addresses are current at time of publication.