Das Tullio-PhÄnomen ist als die AuslÖsbarkeit vestibulÄrer Reaktionen durch laute Schallreize defmiert. UrsÄchlich findet sich bei den meisten der in der Literatur angegeben FÄlle eine Labyrinthfistel. Wir beschreiben ein beidohrig auslÖsbares Tullio-PhÄnomen bei einem Piloten nach einem massiven Unterdruckbarotrauma der Ohren. Eine genaue Analyse der auslÖsenden Schallreize und IntensitÄten sowie der dadurch verursachten verschiedenen Tullio-Reaktionen vom Otolithentyp wird dargestellt. Wir postulieren, dass verursacht durch eine traumatische Ringbandlockerung es wÄhrend des Stapediusreflexes zu einem tiefen Eindringen der Fussplatte in das Vestibulum mit einer direkten mechanischen Reizung des Utriculus kommt. Je energiereicher die akustischen Reize sind, desto ausgeprÄgter ist die Tullio-Reaktion.

Keywords:
Tullio-Phänomen, Otolithenreaktion, Barotrauma, Ringband, Utriculus
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© 1994 S. Karger AG, Basel
1994
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