PMID: 9663947Jul 15, 1998Paper

Prevalence and etiology of unilateral sensorineural hearing impairment in a Finnish childhood population

International Journal of Pediatric Otorhinolaryngology
E Vartiainen, S Karjalainen

Abstract

A retrospective study was undertaken on the prevalence and etiology of unilateral sensorineural hearing impairment (> 25 dB at 0.5-4 kHz, including mixed hearing impairments with bone conduction thresholds > or = 25 dB) among children born between 1972 and 1986 in a province of eastern Finland. Only patients who had been diagnosed before the age of 10 years were included. A total of 84 children with such an unilateral hearing loss were identified, with prevalence of 1.7 per 1000 live births. A significant decline from the prevalence of 2.2 per 1000 in the 1970s to the prevalence of 1.2 per 1000 in the 1980s was observed, which was mainly due to the disappearance of hearing losses caused by mumps and measles in the 1980s and the decrease in cases attributed to otitis media. In agreement with some previous studies, a considerable male predominance was present. Thirty-five percent of the hearing losses were profound (> 95 dB) and 15% were severe (71-95 dB). Etiology of the hearing impairment was estimated as genetic in 2%, congenital non-genetic in 12%, delayed-onset non-genetic in 35% and remained unknown in 51%.

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Citations

May 12, 2005·International Journal of Pediatric Otorhinolaryngology·Yue-Shih ChenMartin Westhofen
Mar 30, 2001·International Journal of Pediatric Otorhinolaryngology·J VatovecA Gros
Nov 27, 2009·International Journal of Pediatric Otorhinolaryngology·Saghar AnbariFereidoun Azizi
Mar 18, 2008·Lancet·Anders HviidKathrin Mühlemann
Oct 16, 2014·Cochlear Implants International·Paul J Boyd
Dec 24, 2013·International Journal of Pediatric Otorhinolaryngology·Sonya MarcusAdele K Evans
Jun 26, 2007·International Journal of Pediatric Otorhinolaryngology·Hyung Jun ShimSungHee Kim
Dec 7, 2002·International Journal of Audiology·Christiane Kiese-Himmel
Apr 25, 2001·Scandinavian Audiology. Supplementum·A PruszewiczM Karlik
Dec 17, 2009·The Annals of Otology, Rhinology, and Laryngology·Trina C UwieraJohn Greinwald
Feb 14, 2008·Trends in Amplification·Anne Marie Tharpe, Douglas P Sladen
Jul 25, 2017·Audiology & Neuro-otology·Antoine PaulNatalie Loundon
Feb 23, 2012·ORL; Journal for Oto-rhino-laryngology and Its Related Specialties·Elona CamaEdoardo Arslan
Apr 14, 2017·American Journal of Primatology·Mark F Skinner, Matthew M Skinner
Jun 13, 2020·Human Vaccines & Immunotherapeutics·Taito Kitano
Mar 6, 2019·International Journal of Pediatric Otorhinolaryngology·Kerttu HuttunenElina Mäki-Torkko
Sep 3, 2002·Pediatrics·Per NafstadTor Bjerkedal

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