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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]
The infant's ability to resist infection is limited by its immature immune system. In addition, the immune system of the neonate may respond in ways that can create problems that complicate treatment, such as the release of inflammatory chemicals. Congenital defects of the immune system also affect the infants ability to fight off the infection ...
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 symptoms of hearing loss in babies and children, however, are slightly different, and can be difficult to catch. For instance, a baby with hearing loss may not startle at loud noises.
GBS-EOD manifests from 0 to 7 living days in the newborn, with most of the cases of EOD being apparent within 24 h from birth. GBS-LOD starts between 7 and 90 days after birth. [4] [12] [14] [22] Roughly 50% of newborns of GBS-colonized mothers are also GBS-colonized and (without prevention measures) 1-2% of these newborns will develop GBS-EOD.
Congenital hearing loss is a hearing loss present at birth. It can include hereditary hearing loss or hearing loss due to other factors present either in-utero (prenatal) or at the time of birth. It can include hereditary hearing loss or hearing loss due to other factors present either in-utero (prenatal) or at the time of birth.
The hearing loss typically worsens over the years, and progression can be step-wise and related to minor head trauma. In some cases, language development worsens after head injury , demonstrating that the inner ear is sensitive to trauma in Pendred syndrome; this is as a consequence of the widened vestibular aqueducts usual in this syndrome. [ 4 ]
The hearing loss associated with congenital aural atresia is a conductive hearing loss—hearing loss caused by inefficient conduction of sound to the inner ear. Essentially, children with aural atresia have hearing loss because the sound cannot travel into the (usually) healthy inner ear—there is no ear canal, no eardrum, and the small ear ...