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Auditory performance was measured through the results of speech discrimination, subjective assessment by the Categories of auditory performance (CAP) score, the Speech, Spatial and Qualities scale questionnaire (SSQ) and the German version of the IOI-HA [Internationales Inventar zur Evaluation von H\u00f6rger\u00e4ten (IIEH, version for CI)].<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Long-term follow-up [median: 3\u00a0years and 5\u00a0months (3;5\u00a0years)] revealed that nine children use their CI (&gt;\u20098\u00a0h\/day) and two became nonusers. In children aged below 3;2\u00a0years at surgery, there was a substantial long-term increase in speech discrimination and subjective benefit. Children over 4;4\u00a0years of age at CI surgery improved partially in audiological\/subjective measurements. Among children above 5\u00a0years, the SSQ score did not improve despite further slight improvement in speech discrimination long-term.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Our data suggest a critical age for CI surgery below 3\u00a0years in children with congenital SSD for successful hearing rehabilitation. It is mandatory to identify children with SSD as early as bilaterally deaf children.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00405-020-06409-6","type":"journal-article","created":{"date-parts":[[2020,10,20]],"date-time":"2020-10-20T11:03:17Z","timestamp":1603191797000},"page":"3245-3255","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":54,"title":["Long-term results of cochlear implantation in children with congenital single-sided deafness"],"prefix":"10.1007","volume":"278","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3333-5387","authenticated-orcid":false,"given":"Ann-Kathrin","family":"Rauch","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan","family":"Arndt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antje","family":"Aschendorff","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rainer","family":"Beck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iva","family":"Speck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuel Christoph","family":"Ketterer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Till Fabian","family":"Jakob","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederike","family":"Hassepass","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,10,20]]},"reference":[{"issue":"3","key":"6409_CR1","doi-asserted-by":"publisher","first-page":"163","DOI":"10.1159\/000171478","volume":"14","author":"K Vermeire","year":"2009","unstructured":"Vermeire K, van de Heyning P (2009) Binaural hearing after cochlear implantation in subjects with unilateral sensorineural deafness and tinnitus. 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Aschendorff received travelling expenses and financial support for research from Cochlear Ltd., Australia; financial support for research and travelling expenses from Med-El, Innsbruck, Austria; financial support for research and travelling expenses from Oticon Inc., Somerset, NJ; financial support for research and travelling expenses from Advanced Bionics, Valencia, CA, USA. S. Arndt received financial support for research and travelling expenses from Cochlear Ltd., Australia; financial support for research and travelling expenses from Med-El, Innsbruck, Austria. I. Speck, F. Hassepass and T. Jakob received financial support for travelling expenses from Cochlear Ltd., Australia. A. Rauch received financial support for travelling expenses by Med-El, Starnberg, Germany. M. C. Ketterer and R. Beck declare no conflict of interest. This study is not sponsored by industry.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"Approval of the local ethics committee has been obtained for the present study and the study was registered with DRKS (operation number: DRKS00020801). All participants or their custodials have agreed to participate in the study and signed informed consent.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"All authors have participated in and agreed on the publication of the study in the present form.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate und publicate"}}]}}