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Although ABR and ASSR principally show strong correlations in hearing threshold estimation, there is preliminary evidence that temporal bone malformations might be associated with significantly greater differences between ABR- and ASSR-results. Therefore, the present study aimed to compare hearing threshold estimation derived from ABR and ASSR in a larger cohort of single-sided deafness (SSD) of various etiology, including temporal bone anomalies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The diagnostic consistency between ABR and ASSR using narrow-band-chirp-stimuli at 1000, 2000, and 4000\u00a0Hz was analyzed in 47 children with single-sided deafness with varying MRI-morphologic findings: cochlear nerve malformation (CNM,\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200924), cochlear malformation (CM,\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u20097) vs. combined malformation (CM\u2009+\u2009CNM,\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u20098) vs. absent temporal bone and inner ear pathology (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u20098). Children with additional health issues other than SSD were excluded.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      ABR and ASSR showed a strong correlation in deaf ears without malformation (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.728,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.0001), a moderate correlation in isolated cochlear malformation (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.574,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.01), and a weak correlation in case of cochlear nerve anomaly (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.189,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.112 in CNM and\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.235,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.268 in CM\u2009+\u2009CNM). Ears with isolated CNM showed an average discrepancy of 23.40\u2009\u00b1\u200915.19 dB,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.00001 between ABR and ASSR (vs. 17.08\u2009\u00b1\u200915.81 dB,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.0008 in CNM\u2009+\u2009CM, vs. 7.63\u2009\u00b1\u20098.56 dB,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.008 in CM, vs. 4.38\u2009\u00b1\u20094.96 dB,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.036 in ears without malformation and vs. 0.36\u2009\u00b1\u20094.75 dB,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.748 in healthy control ears). In ears with highly discrepant ASSR and ABR values, enlarged ABR wave I and otoacoustic emissions were frequently present.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In cochlear nerve malformation, ASSR and ABR frequently provide significantly discrepant hearing threshold estimations, probably derived from a cochlear origin. ASSR should only be used in conjunction with conventional ABR in the diagnostic management of suspected severe-profound hearing loss or deafness in children. A large difference between ASSR and ABR thresholds may indicate a cochlear nerve anomaly.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00405-025-09708-y","type":"journal-article","created":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T17:42:57Z","timestamp":1759340577000},"page":"751-761","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A comparison of ABR and ASSR using narrow-band-chirp-stimuli in children with single-sided deafness of various etiology"],"prefix":"10.1007","volume":"283","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2709-0953","authenticated-orcid":false,"given":"Donata","family":"Gellrich","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Polterauer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sophia","family":"Stoecklein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick","family":"Huber","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tobias","family":"Rader","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katharina","family":"Eder","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,10,1]]},"reference":[{"issue":"3","key":"9708_CR1","doi-asserted-by":"publisher","first-page":"140","DOI":"10.3766\/jaaa.16.3.3","volume":"16","author":"TW Picton","year":"2005","unstructured":"Picton TW, Dimitrijevic A, Perez-Abalo MC, Van Roon P (2005) Estimating audiometric thresholds using auditory steady-state responses. 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