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In X-linked hearing loss, the mother carries the recessive trait for hearing loss on the sex chromosome. She can pass on the trait to male and female children, but usually only male children are affected. There are some genetic syndromes, in which hearing loss is one of the known characteristics.
Prelingual hearing loss can be considered congenital, present at birth, or acquired, occurring after birth before the age of one. Congenital hearing loss can be a result of maternal factors (rubella, cytomegalovirus, or herpes simplex virus, syphilis, diabetes), infections, toxicity (pharmaceutical drugs, alcohol, other drugs), asphyxia, trauma, low birth weight, prematurity, jaundice, and ...
The link between NSAIDs and hearing loss tends to be greater in women, especially those who take ibuprofen six or more times a week. [36] Others may cause permanent hearing loss. [37] The most important group is the aminoglycosides (main member gentamicin) and platinum based chemotherapeutics such as cisplatin and carboplatin. [38] [39]
It is estimated that Waardenburg syndrome is present in 2–5% of congenitally deaf people. Congenital deafness comprises around half of deafness as a whole. [8] About 1 in 30 students in schools for the deaf have Waardenburg syndrome. The variable presentation of the syndrome makes it difficult to arrive at precise figures for its prevalence. [8]
Researchers say there is no reliable way of testing how well babies are hearing through their hearing aids between the ages of three and seven months. New test could reassure parents their babies ...
Hearing loss prevents many deaf children from hearing spoken language to the degree necessary for language acquisition. [3] For many deaf children, language acquisition is delayed until the time that they are exposed to a sign language or until they begin using amplification devices such as hearing aids or cochlear implants.
Hearing loss has multiple causes, including ageing, genetics, perinatal problems and acquired causes like noise and disease. For some kinds of hearing loss the cause may be classified as of unknown cause. [citation needed] There is a progressive loss of ability to hear high frequencies with aging known as presbycusis. For men, this can start as ...
Many infants with CRS may be born with sensorineural deafness and thus should undergo a newborn hearing evaluation. Hearing loss may not be apparent at birth and thus requires close auditory follow up. Infants with confirmed hearing impairment may require hearing aids and may benefit from an early intervention program. [4]