Sensory evoked potentials in inhalant (volatile solvent) abuse

Area of Science:

• Neuroscience
• Pediatrics
• Toxicology

Background:

• Inhalant abuse is prevalent among children and adolescents.
• Clinical neurological examinations may not detect early signs of neurological damage in these children.
• Objective biomarkers are needed to assess neurological impact.

Purpose of the Study:

• To investigate if children with a history of inhalant abuse but no clinical neurological abnormalities exhibit abnormal evoked potentials.
• To determine the utility of evoked potentials as an early marker for neurological damage in pediatric inhalant abuse.

Main Methods:

• Evaluated 15 children aged 9-17 years with a significant history of inhalant abuse.
• Conducted electrophysiological tests: visual evoked potentials (VEPs), auditory evoked potentials (AEPs), and somatosensory evoked potentials (SEPs).
• Assessed for abnormalities in VEPs, AEPs, and SEPs in the absence of clinical neurological signs.

Main Results:

• Abnormalities were detected in visual or auditory evoked potentials in 8 out of 15 children.
• Somatosensory evoked potentials were consistently normal across all participants.
• Evoked potential abnormalities suggest subclinical neurological alterations.

Conclusions:

• Evoked potentials, specifically VEPs and AEPs, can serve as objective indicators of early neurological damage in children abusing inhalants.
• These electrophysiological measures show potential for early detection, guiding counselling and intervention strategies.
• Further research can validate evoked potentials for monitoring neurological health in pediatric inhalant abuse cases.