Understanding Genetic Hearing Loss in Children
Key Facts About Genetic Hearing Loss
Two medical personell holding newborn baby, black and white background
Did you know that genetic factors play a significant role in childhood hearing loss? Here are some important statistics:
- 1 in 500 infants in the United States develop hearing loss during early childhood
- Up to 60% of congenital and early-onset hearing loss is caused by genetic factors
- 90% of children with hearing loss are born to parents with typical hearing
- 98% of infants in the US are screened for hearing loss before leaving the hospital
Types of Genetic Hearing Loss
1. Syndromic Hearing Loss
This type of genetic hearing loss occurs alongside other health conditions. A prime example is Pendred Syndrome:
- Most common cause of syndromic hearing loss
- Accounts for 10% of all hereditary hearing loss cases
- Affects hearing, thyroid function, and balance
- Usually results in bilateral hearing loss (affecting both ears)
2. Non-Syndromic Hearing Loss
This more common type accounts for about 70% of genetic hearing loss cases:
- Presents as hearing loss without other health issues
- Most commonly caused by changes in the connexin gene (GJB2)
- The GJB2 gene plays a crucial role in inner ear function
Early Detection and Support
Early identification and intervention are crucial for successful outcomes. Genetic testing can help families understand:
- The cause of their child's hearing loss
- Potential implications for future children
- Best treatment and support options
Remember: Hearing loss affects each child differently. With proper support and early intervention, every child has the opportunity to reach their full potential.
Blessings,
Coach V.