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F\u00fcr extratympanale Ableitungen fehlen bislang altersabh\u00e4ngige Referenzwerte, was die klinische Interpretation erschwert.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ziel der Arbeit<\/jats:title>\n                    <jats:p>Ziel war die Erstellung altersstratifizierter Referenzbereiche f\u00fcr das Summationspotenzial(SP)\/Aktionspotenzial(AP)-Amplituden- und -Fl\u00e4chenverh\u00e4ltnis zur nichtinvasiven Diagnostik bei Verdacht auf endolymphatischen Hydrops.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material und Methoden<\/jats:title>\n                    <jats:p>Es wurden 47\u00a0Ohren von 26\u00a0normalh\u00f6renden Probanden im Alter von 20\u201370\u00a0Jahren mittels extratympanaler Trommelfellelektrode untersucht. SP- und AP-Potenziale wurden standardisiert abgeleitet, Amplituden- und Fl\u00e4chenverh\u00e4ltnis berechnet und alters- sowie seitenabh\u00e4ngig analysiert.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ergebnisse<\/jats:title>\n                    <jats:p>Die Normbereiche lagen f\u00fcr das SP\/AP-Amplitudenverh\u00e4ltnis bei 0,13\u20130,46 und f\u00fcr das SP\/AP-Fl\u00e4chenverh\u00e4ltnis bei 0,72\u20131,72 (P5\u2013P95). Es zeigten sich keine signifikanten Seitenunterschiede, jedoch ein leichter altersabh\u00e4ngiger Anstieg beider Parameter, ohne klinisch relevante Auswirkungen.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Schlussfolgerung<\/jats:title>\n                    <jats:p>Die extratympanale ECochG erm\u00f6glicht eine minimal invasive, zuverl\u00e4ssige Diagnostik mit altersstratifizierten Referenzwerten. Sie stellt eine praktikable Erg\u00e4nzung zur Bildgebung bei M.\u00a0Meni\u00e8re dar und erlaubt eine differenziertere Beurteilung pathologischer Innenohrfunktionen.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00106-026-01725-5","type":"journal-article","created":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T15:19:01Z","timestamp":1770304741000},"page":"522-528","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Elektrocochleographie mit Trommelfellelektrode","Electrocochleography with an extratympanic tympanic membrane electrode"],"prefix":"10.1007","volume":"74","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9480-7133","authenticated-orcid":false,"given":"Tom","family":"Gawliczek","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miranda Claire","family":"Morrison","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharine","family":"Keller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Athanasia","family":"Korda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Weder","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco D.","family":"Caversaccio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georgios","family":"Mantokoudis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,5]]},"reference":[{"key":"1725_CR1","first-page":"69","volume-title":"Essentials of Clinical Electric Response Audiometry","author":"WP Gibson","year":"1978","unstructured":"Gibson\u00a0WP (1978) Electrocochleography (ECochG). 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