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Screening of Egyptian toddlers for autism spectrum disorder using an Arabic validated version of M-CHAT; report of a community-based study (Stage I)

Published online by Cambridge University Press:  23 March 2020

F.E. Mohamed ,
E.A. Zaky ,
A. Youssef ,
R. Elhossiny ,
S. Zahra ,
R. Khalaf ,
W. Youssef ,
A. Wafiq ,
R. Ibrahim  and
R. Abd-Elhakim
...Show all authors
F.E. Mohamed
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
E.A. Zaky*
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
A. Youssef
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
R. Elhossiny
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
S. Zahra
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
R. Khalaf
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
W. Youssef
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
A. Wafiq
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
R. Ibrahim
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
R. Abd-Elhakim
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
A. Obada
Affiliation:
Department of Pediatrics, Faculty of Medicine, Ain Shams University, Egypt
W.S. Eldin
Affiliation:
Community Medicine, Faculty of Medicine, Ain Shams University, Egypt
*
*Corresponding author. Faculty of Medicine, Ain Shams University and Head of Child Psychiatry Clinic, Childrens Hospital, Ain Shams University, Cairo, Egypt. E-mail address:emanzaky@med.asu.edu.eg (E.A. Zaky).
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Abstract

Background

Although there is a recommendation that toddlers be screened for Autism spectrum disorder (ASD) during their 18- and 24-month well-care child visits, diagnosis often occurs well after the child turns 4 years old. Such delayed diagnosis hinders the implementation of early intervention thus worsens the long-term prognosis of ASD.

Objectives

The current community-based study in its stage I aimed at early screening of Egyptian toddlers for ASD using an Arabic validated version of Modified Checklist for Autism in Toddlers (M-CHAT).

Methodology

A cross-sectional community-based descriptive study was carried out enrolling 5546 Egyptian toddlers. They were randomly recruited from those attending Primary Health Care Units in six Egyptian governorates with a fair representation of the urban, semi-urban, and rural Egyptian populations. An Arabic validated version of M-CHAT was used as a screening tool for ASD.

Results

The current study revealed failure of M-CHAT (suspected to have ASD and needs further evaluation) in 1320 out of the enrolled 5546 Egyptian toddlers (23.8%).

Conclusions

M-CHAT as a screening tool for ASD has flagged a considerable percent of the enrolled toddlers that necessitates referral for further evaluation (stage II) to settle the diagnosis of ASD in the true positive cases. Perfecting the delicate balance between sensitivity and specificity for ASD screening tools is crucial in order not to miss early detection of ASD cases and at the same time, to avoid over-diagnosis with subsequent abuse of the limited healthcare resources in developing countries.

Keywords

M-CHATArabic validated version of M-CHATAutism spectrum disorder (ASD)Childhood Autism Rating Scale (CARS)
Type
Original article
Information
European Psychiatry , Volume 34 , April 2016 , pp. 43 - 48
Copyright
Copyright © European Psychiatric 2020

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