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Effect of phosphodiesterase-5 inhibitor on hearing

Published online by Cambridge University Press:  12 January 2009

S Okuyucu ,
O E Guven ,
E Akoglu ,
E Uçar  and
S Dagli
S Okuyucu*
Affiliation:
Department of Otolaryngology, Mustafa Kemal University School of Medicine, Antakya, Hatay, Turkey
O E Guven
Affiliation:
Department of Urology, Mustafa Kemal University School of Medicine, Antakya, Hatay, Turkey
E Akoglu
Affiliation:
Department of Otolaryngology, Mustafa Kemal University School of Medicine, Antakya, Hatay, Turkey
E Uçar
Affiliation:
Department of Internal Medicine, Mustafa Kemal University School of Medicine, Antakya, Hatay, Turkey
S Dagli
Affiliation:
Department of Otolaryngology, Mustafa Kemal University School of Medicine, Antakya, Hatay, Turkey
*
Address for correspondence: Dr Semsettin Okuyucu, Mustafa Kemal Universitesi Tıp Fakultesi, Arastirma Hastanesi, KBB AD, 31100 Antakya, Hatay, Turkey. E-mail: semsettinokuyucu@yahoo.com
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Abstract

Objective:

Following a report of sudden hearing loss in a patient taking phosphodiesterase type 5 inhibitor, and a Food and Drug Administration announcement concerning this class of drugs, a study was planned to investigate if ototoxicity occurs in patients using phosphodiesterase 5 inhibitor for erectile dysfunction.

Methods:

Eighteen patients with erectile dysfunction who had been using phosphodiesterase 5 inhibitor were included in the study. Audiometric tests were performed on all patients, between the frequencies 250 and 16 000 Hz, before and 1, 5 and 72 hours after drug ingestion.

Results:

Four patients showed a unilateral threshold decrease compatible with ototoxicity criteria; this change was reversible. A statistically significant difference in pre- versus post-drug hearing thresholds was observed in the right ear at 10 000 Hz (p = 0.008). There were no statistically significant hearing threshold differences at any other frequencies (p > 0.05).

Conclusion:

Although temporary ototoxicity was noted in four patients, we could not find any permanent, deleterious effect of phosphodiesterase type 5 inhibitor on hearing thresholds.

Keywords

VardenafilSensorineural DeafnessDrug Toxicity
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 123 , Issue 7 , July 2009 , pp. 718 - 722
Copyright
Copyright © JLO (1984) Limited 2009

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