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Observational Study
. 2018 Dec;14(3):451-455.
doi: 10.5152/iao.2018.4871.

Intratympanic Methylprednisolone Versus Dexamethasone for the Primary Treatment of Idiopathic Sudden Sensorineural Hearing Loss

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Free PMC article
Observational Study

Intratympanic Methylprednisolone Versus Dexamethasone for the Primary Treatment of Idiopathic Sudden Sensorineural Hearing Loss

Özgür Tarkan et al. J Int Adv Otol. .
Free PMC article

Abstract

Objectives: The aim of the present study was to compare the therapeutic effectiveness of intratympanic (IT) methylprednisolone and dexamethasone in the initial treatment of patients with idiopathic sudden sensorineural hearing loss (ISSHL).

Materials and methods: A total of 46 patients with ISSHL who had been treated with IT methylprednisolone or dexamethasone were included in the present study. Dexamethasone (4 mg/mL) and methylprednisolone (20 mg/mL) were given transtympanically to 22 and 24 patients, respectively, one dosage per day for 5 consecutive days. Audiologic evaluations were performed pretreatment, daily in inpatient clinics, and in the first week and second month after discharge, using four-frequency pure-tone average (PTA) and speech discrimination score (SDS). Audiologic improvement was classified according to the Furuhashi criteria.

Results: According to the Furuhashi criteria, the therapeutic success rate was 62.5% (complete improvement 16.7% and marked improvement 45.8%) in the methylprednisolone group, whereas it was 54.6% (complete improvement 27.3% and marked improvement 27.3%) in the dexamethasone group. Therapeutic success was higher in the methylprednisolone group; however, it was not statistically significant. When the audiologic improvement was accepted as >10 dB in PTA, the therapeutic success rates were 83.3% in the methylprednisolone group and 72.8% in the dexamethasone group. The mean (±SD) improvement of PTA before and after treatment was 30.8±21.4 in the methylprednisolone group and 24.7±2.5 in the dexamethasone group. The mean improvement in SDS was 32.6±25 in the methylprednisolone group and 23.7±26.9 in the dexamethasone group.

Conclusion: IT steroids are safe, effective, and well-tolerated agents in the initial treatment of patients with ISSHL. Despite having different pharmacokinetic characteristics, IT methylprednisolone and dexamethasone have no superiorities over each other in the primary treatment in patients with ISSHL.

Conflict of interest statement

Conflict of Interest: The authors have no conflict of interest to declare.

Figures

Figure 1
Figure 1
The distribution of PTA before treatment, in the first week, and in the second month after treatment.
Figure 2
Figure 2
The distribution of SDS before treatment, in the first week, and in the second month after treatment.

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