Przegl Lek
October 2011
Unlabelled: The aim was to identify the frequency of different causes of congenital hearing loss and to investigate the age of treatment intervention.
Material: 197 children with hearing loss, hospitalized in the Department of Infant Diseases between 2007-2009.
Methods: Three-level audiological examinations, clinical investigations, specific tests for selected congenital infections and GJB2 mutations, neuroimaging.