Severe hearing loss and retinopathy in children: on the possible association with rubella virus infection

Area of Science:

• Ophthalmology
• Pediatrics
• Infectious Diseases

Background:

• Severe hearing loss in children can have various causes.
• Retinopathy, a complication affecting the retina, can occur in children with certain conditions.
• Identifying specific risk factors and associated conditions is crucial for early diagnosis and intervention.

Purpose of the Study:

• To investigate the prevalence of retinopathy in children with severe hearing loss.
• To explore potential associated factors, including other malformations and seasonal birth patterns.
• To examine the association between congenital infections (rubella, cytomegalovirus, herpesvirus hominis) and the development of retinopathy in this cohort.

Main Methods:

• A cohort of 145 children diagnosed with severe hearing loss was studied.
• Ophthalmological examinations were performed to identify characteristic retinopathy.
• Matched controls were used to compare the frequency of specific viral antibodies.

Main Results:

• 35 out of 145 children (24.1%) with severe hearing loss exhibited characteristic retinopathy.
• The majority of affected children (28) were born between September and February, indicating a potential seasonal clustering.
• A higher frequency of rubella antibodies was observed in children with retinopathy compared to matched controls.
• No significant difference in cytomegalovirus or herpesvirus hominis antibodies was found between the groups.

Conclusions:

• Congenital rubella infection is a significant risk factor for developing retinopathy in children with severe hearing loss.
• The observed seasonal birth pattern suggests a potential link to rubella virus transmission during specific times of the year.
• Further research is warranted to elucidate the precise mechanisms and optimize preventative strategies for congenital rubella syndrome.