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Autosomal Recessive Nonsyndromal Profound Childhood Deafness in a Large Pedigree Audiometric Features of the Affected Persons and the Obligate Carriers

Henri A. M. Marres, MD; W. R. J. Cremers, MD
Arch Otolaryngol Head Neck Surg. 1989;115(5):591-595. doi:10.1001/archotol.1989.01860290049013.
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• Nonsyndromal autosomal recessive profound childhood deafness will affect about one in 4000 children in western Europe. A nonsyndromal autosomal recessive type of profound childhood deafness was thought to be the cause of deafness in at least eight and probably 12 children from a large family with various consanguineous matings and other family interrelations. Audiograms of all affected deaf children showed a profound childhood deafness with only a very slight variation. Audiometric examinations, such as pure-tone audiometry, high-frequency audiometry, stapedial reflexes, and Bekesy audiometry, of ten obligate or presumed carriers did not show any significant findings that would allow identification of carriers of this autosomal recessive gene. Families like this one seem to be very rare. Large clinically well-studied families like this one are indispensable for gene linkage studies of nonsyndromal autosomal recessive types of profound childhood deafness. Such studies should make it possible to trace the origin of these types of childhood deafness at an early age. In consequence, carrier detection should also become available.

(Arch Otolaryngol Head Neck Surg 1989;115:591-595)


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