[How I explore… a disorder of intellectual development in a child]

Area of Science:

• Pediatric Neurology
• Clinical Genetics
• Developmental Pediatrics

Background:

• Global developmental delay (GDD) and intellectual development disorder (IDD) represent common yet highly heterogeneous pediatric conditions.
• Current diagnostic paradigms extend beyond mere intelligence quotient (IQ) assessment, necessitating a comprehensive approach.
• The heterogeneity of GDD/IDD underscores the need for standardized diagnostic and management protocols.

Framework:

• A structured diagnostic framework integrating clinical examination, anamnestic data, and extensive paraclinical investigations.
• Paraclinical evaluations encompass biological, genetic, metabolic, and iconographic examinations for etiological exploration.
• The diagnostic process is conceptualized as dynamic, evolving with patient assessment rather than being a static endpoint.

Implementation:

• This guideline provides a standardized approach to the management of pediatric GDD/IDD.
• It emphasizes a multidisciplinary strategy involving various diagnostic modalities.
• The implementation aims to optimize therapeutic efficiency and clinical practice.

Implications:

• Standardized management protocols can lead to improved therapeutic outcomes for children with GDD/IDD.
• Enhanced etiological diagnosis through comprehensive testing aids in targeted interventions.
• This guideline serves as a crucial resource for clinicians managing pediatric neurodevelopmental disorders.