Corneal electroretinograms in children without sedation

Area of Science:

• Ophthalmology
• Pediatric Medicine
• Neuroscience

Background:

• Physicians often assume general anesthesia or sedation is required for pediatric electroretinograms (ERGs).
• This assumption leads to reluctance in ordering ERGs for children, potentially delaying diagnosis.
• Contact lens ERGs are a standard diagnostic tool in ophthalmology.

Purpose of the Study:

• To challenge the assumption that general anesthesia or sedation is necessary for pediatric ERGs.
• To evaluate the feasibility and efficacy of performing contact lens ERGs using only topical anesthesia in children.
• To assess the quality and diagnostic value of ERG recordings obtained under topical anesthesia.

Main Methods:

• A study was conducted on 30 consecutively referred children aged five months to six years.
• Routine contact lens electroretinograms (ERGs) were performed using only topical anesthesia.
• Mild physical restraint was employed when necessary.
• Oscilloscopic ERG recordings were obtained and analyzed.

Main Results:

• Successful oscilloscopic ERGs were obtained from all 30 children.
• While records were less stable than in adults, response amplitude, waveform, and timing were always evaluable.
• The cone and rod systems could be clearly differentiated in all recordings.
• Topical anesthesia alone was sufficient for obtaining diagnostic ERG data.

Conclusions:

• Pediatric electroretinograms (ERGs) can be reliably performed using only topical anesthesia.
• The findings challenge the necessity of general anesthesia or sedation for pediatric ERGs.
• This approach facilitates the use of ERGs in pediatric ophthalmology, improving diagnostic capabilities.