Updated 07 October 2013

Test spots PTSD risk in injured kids

A simple, short mental health test has been found effective at predicting post-traumatic stress disorder risk among seriously injured preschoolers.


A simple, short mental health test already used for paediatric patients has been found effective at predicting post-traumatic stress disorder (PTSD) risk among preschoolers seriously injured by such things as a burn or car crash.

"The most important point is that until now we had no evidence-based method to identify preschool-age children for their risk of long-term psychological problems early after accidents," said the study's lead author, Markus Landolt, head of paediatric psychology at University Children's Hospital Zurich.

Such problems can manifest as repetitive nightmares or the "replaying" of the initial trauma, anxiety, aggressive behaviour, temper tantrums and problems with concentration, according to the researchers.

The Swiss effort centres around the "Paediatric Emotional Distress Scale" questionnaire (PEDS). This test was retooled into the PEDS-Early Screener (or PEDS-ES), designed to sift through parent-provided information and zero in specifically on long-term PTSD risk among injured preschoolers.

The result: by establishing an optimal scoring method, investigators achieved an 85% success rate at picking up PTSD risk, and a 63% success rate at specifically predicting the onset of either full or partial PTSD.

Preventative treatment

"This study now presents convincing data that early identification is possible even at this young age," Landolt said, "and therefore offers the possibility for early treatment of those children who are in need of support."

The study appears in Paediatrics.

The authors pointed out that accidents are a very common feature of childhood. For example, they noted that in 2011, more than 10% of American children under the age of 6 had at least one accidental trauma requiring hospital treatment.

"[And] studies with children injured by burns or road traffic accidents revealed that around 10 to 20% develop longer-term behavioural and psychological problems after accidents," Landolt said.

To reduce the risk of long-term complications, the authors stress that time is of the essence when it comes to identifying at-risk children and getting them into preventative treatment. Ideally, they say, the whole process should unfold during a one-to-two week window following an initial trauma.

To that end, the investigators set out to assess the effectiveness of the PEDS-ES diagnostic tool, which covered 21 measures of problem behaviours. They administered it between 2010 to 2012 to the caregivers of 87 children, all between 2 and 6 years old, who had just suffered a traumatic traffic or burn injury within the previous two weeks.

Follow-up parental interviews were conducted six months later to screen for PTSD among the children. At that point, 23% of the patients were diagnosed with either a full or partial PTSD.

Beyond predicting the onset of the majority of such cases six months before they were firmly diagnosed, the PEDS-ES questionnaire was also successful in identifying the specific degree of PTSD severity that developed in the at-risk children.

Importance of accurate screening

The study team therefore concluded that clinicians should be encouraged to use the PEDS-ES test as a fast and easy way to identify PTSD risk among injured youngsters.

"For the first time, it is now possible for first responders such as paediatricians, nursing staff or emergency psychologists to assess young children accurately with regard to their risk of long-term psychological and behavioural problems," Landolt said. "This is an important prerequisite to provide appropriate early treatment and thus reduce the number of preschool-age children suffering from psychological and behavioural problems after an accident."

Another expert, Dr Glen Elliott, chief psychiatrist of the Children's Health Council, emphasised the importance of accurate screening for PTSD among very young injured patients.

"For many years, PTSD was completely ignored among children," he said. "There was an assumption that children are imminently resilient, and of course children don't often complain in a way that an adult would, or in the same way. Often because they lack the language to really describe it. So it tended to be missed."

"But clinicians now recognise and accept the problem," Elliot added. "And if we know which kids are likely to have an issue, then we can focus our intervention... There's no question that it's easier to work with a child shortly after he has been traumatised to prevent PTSD than to deal with PTSD once it's already been established."

More information

For more on children and PTSD, visit the American Academy of Child & Adolescent Psychiatry.

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