Prevalence of Dissociative Disorders in Children

Study Overview
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Brief Summary
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Schizophrenia beginning before 18 years is a clinical entity not well known because of its low incidence and difficulties in the clinical diagnosis. However, in the investigators clinical practice, due to the specialization of the investigators service, the investigators are led to hospital to receive important feel active of patients meeting the Diagnostic and Statistical Manual of Mental Disorders IV text revision (DSM IV-TR) precose schizophrenia. The work of us team on the theme of the relationship between Pervasive Developmental Disorders and precose Schizophrenia led us to hypothesize that a number of children in care in the medical and educational institutes, hospitals and day shelters therapeutic part-time symptoms of schizophrenia or a line real early diagnosis of schizophrenia undervalued or not diagnosed. The main goal is to estimate the prevalence of dissociative disorders in a population of children in care institutions and medical education in child psychiatry in hospitals and others structures.

Official Title
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Prevalence of Dissociative Disorders in Children in a Population Supported in the Medico-social and Health Structures in Provence Alpes Cote d'Azur

Conditions
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Dissociative Disorders, Schizophrenia

Intervention / Treatment
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* Other: Primary stage
* Other: Secondary stage


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: 7 to 18 years Supported in the partner institutions of the study IQ>35 on the certificate of orientation of the Maison Départementale des Personnes Handicapées (MDPH) Obtaining the agreement of parents and children Exclusion Criteria: QI<35 on the certificate file Guidance MDPH Children not speaking french

Ages Eligible for Study
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Minimum Age: 7 Years
Maximum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Diagnostic
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Children with Dissociative Disorders<br>Children will take first the primary stage. If one child is positive, he will pass the secondary stage. | Other: Primary stage<br>* Kiddie-Schedule for Affective Disorders and Schizophrenia<br>Other: Secondary stage<br>* children who are positive to the kiddie-SADS (primary stage), will take the tests: PANSS, Scale for the Assessment of Negative Symptoms (SANS), ADI-R, scale TLC and WISC IV<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Rate of children diagnosed with dissociative disorders | Rate of children diagnosed with dissociative disorders: children positive for the test Kiddie-Schedule for Affective Disorders and Schizophrenia (Kiddie-SADS). | between 2 and 4 hours depending children | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Percentage of children positive for test: Autism Diagnostic Interview-Revise (ADI-R). |  | 1 day on average | 
| Scores of three dimensions of schizophrenia in the Positive And Negative Syndrome Scale (PANSS) | 3 dimensions: positive symptoms, negative symptoms and general psychopathology, based on these scores the diagnostic subtype of schizophrenia is established. | 4 hours | 
| Score at the Test Lillois de Communication (TLC) |  | 30 minutes | 
| Score on the Wechsler Intelligence Scale for Children-Fourth Edition (WISC IV)subtests and overall intelligence quotient (IQ). |  | 4 hours | 
| Response time to test verbal fluency, scores on the Trail Making Test A (TMT) and TMT B. |  | 30 minutes | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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children dissociative disorders schizophrenia