gms | German Medical Science

78. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e. V.

Deutsche Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e. V.

16.05. - 20.05.2007, München

Hearing disturbances in patients with hypertrophic cardiomyopathy (HCM)

Meeting Abstract

  • corresponding author F. Tóth - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary
  • M. Csanády - 2nd Department of Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
  • A. L. Nagy - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary
  • M. Csanády Jr. - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary
  • Zs. Beke - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary
  • M. Hőgye - 2nd Department of Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
  • A. Vass - 2nd Department of Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
  • R. Sepp - 2nd Department of Medicine and Cardiology Center, University of Szeged, Szeged, Hungary
  • J. Jóri - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary
  • G. Kiss - Department of Otolaryngology and Head and Neck Surgery, University of Szeged, Szeged, Hungary

German Society of Oto-Rhino-Laryngology, Head and Neck Surgery. 78th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery. Munich, 16.-20.05.2007. Düsseldorf, Köln: German Medical Science; 2007. Doc07hno011

Die elektronische Version dieses Artikels ist vollständig und ist verfügbar unter: http://www.egms.de/de/meetings/hno2007/07hno011.shtml

Veröffentlicht: 8. August 2007

© 2007 Tóth et al.
Dieser Artikel ist ein Open Access-Artikel und steht unter den Creative Commons Lizenzbedingungen (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de). Er darf vervielf&aauml;ltigt, verbreitet und &oauml;ffentlich zug&aauml;nglich gemacht werden, vorausgesetzt dass Autor und Quelle genannt werden.


Gliederung

Text

Introduction: In patients with hypertrophic cardiomyopathy (HCM) coexisting sensorineural hearing disorders are present frequently. These disorders can be either cochlear or retrocochlear in origin. Our aim was to study the hearing function in patients with HCM and to compare this group with age matched controls .

Method: Our audiological investigations were performed in 44 patients with HCM. Age matched groups of patients with dilated cardiomyopathy (DCM) (n=29) and volunteers with negative cardiac history (n=30) served as controls. Primary standard audiological examinations were carried out in all cases to exclude noise induced sensorineural and conductive hearing loss. The hearing function was evaluated by distorsion product otoacoustic emission (DPOAE) and brainstem auditory evoked potentials (BAEP).

Results: Complete evaluation of hearing function was possible in 63 ears of the 44 patients with HCM, and in 39 ears of the 29 patients with DCM. Comparing the parameters (latencies, amplitudes) of BAEP waves there was no significant difference between the two patient groups. On the other hand the intensity of DPOAE was significantly smaller in HCM than in DCM. Cochlear lesions are more frequent in patients with HCM than patients with DCM.

Conclusions: These findings arise the hypothesis, that abnormal myosin might also be present in the muscular structures of the internal ear in HCM wich can be responsible for the hearing disorders of these patients.