Korean J Audiol.  2011 Dec;15(3):133-136.

Comparison of the Efficacy of Systemic and Combined Highly Frequent Intratympanic Steroid Treatment on Sudden Sensorineural Hearing Loss

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea. corin9525@hanmail.net
  • 2WOW Otolaryngology Clinic, Daegu, Korea.

Abstract

BACKGROUND AND OBJECTIVES
Corticosteroids have been used for therapeutic management of sudden sensorineural hearing loss (SSNHL). Because of the complications associated with systemic steroid therapy and low levels of steroid in the inner ear after systemic administration, intratympanic steroid injection (ITSI) is currently used. The purpose of this study was to compare the efficacy of systemic steroid therapy with systemic combined high frequency ITSI therapy.
SUBJECTS AND METHODS
Forty-six SSNHL patients were divided into the only systemic dexamethasone therapy group (systemic steroid IV group, 27 patients) and the systemic with frequent intratympanic dexamethasone injection group (combined ITSI group, 19 patients). In the systemic steroid IV group, dexamethasone was administered intravenously for 5 days followed by oral tapered doses for 10 days. In the combined ITSI group, intratympanic dexamethasone was administered 5 times per day for 5 consecutive days in addition to intravenous administration of dexamethasone. Hearing was assessed both before therapy and at 15 days, 4 weeks, and 8 weeks after the initiation of therapy.
RESULTS
The recovery rate and hearing gain were 74% (20 out of 27 patients) and 33 dB mean improvement in the systemic steroid IV group and 73.6% (14 out of 19 patients) and 41.5 dB mean improvement in the combined ITSI group. There was no statistically significant difference in hearing gain and the recovery rate between the two groups.
CONCLUSIONS
The therapeutic effect of a combination of highly frequently administered intratympanic dexamethasone and systemic steroid therapy was not superior to only systemic steroid injection therapy.

Keyword

Sudden sensorineural hearing loss; Dexamethasone; Injection
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