당뇨환자에서 발생한 돌발성 난청에 대한 스테로이드 전신 투여와 고실내 주입의 치료효과 비교
Comparison of the Efficacy of Systemic and Intratympanic Steroid Treatment on Sudden Sensorineural Hearing Loss with Diabetes
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High dose systemic steroid therapy is currently the mainstay of the treatment for sudden sensorineural hearing loss (SSNHL). However, it makes a glycemic control worse in patients with diabetes. Intratympanic steroid injection (ITSI) can result in reduced systemic steroid toxicity and higher perilymph steroid level selectively. The purpose of this study is to compare the efficacy of ITSI (IT group) with that of systemic steroid (IV group) on SSNHL with diabetes. Subjects and Method:Thirty eight SSNHL patients who were diagnosed with diabetes were divided into the IV group (19 patients) and the IT group (19 patients). In the IV group, prednisolone was administrated intravenously for 7 days followed by tapered doses orally for 7 days. In the IT group, dexamethasone was administrated 4 times within a 2 week-period. Hearing outcome was assessed before and after treatment. Results:In the IV group, 10 patients (58.8%) showed an improvement in the pure tone audiogram (PTA), with a mean improvement of 17.6 dB (p=0.023). In the IT group, 16 patients (84.2%) showed improvement in the PTA, with the mean improvement of 25.1 dB (p=0.000). But there was no significant difference in hearing gain and the recovery rate between the two groups. And it is more difficult to control blood sugar in the IV group rather than in the IT group. Conclusion:ITSI treatment is as effective as the systemic steroid treatment for SSNHL patients with diabetes and it can avoid a significant side effect of systemic steroids. So it could be considered as an initial treatment for the SSNHL patient with diabetes. (Korean J Otorhinolaryngol-Head Neck Surg 2008;51:227-33)
Abstract
High dose systemic steroid therapy is currently the mainstay of the treatment for sudden sensorineural hearing loss (SSNHL). However, it makes a glycemic control worse in patients with diabetes. Intratympanic steroid injection (ITSI) can result in reduced systemic steroid toxicity and higher perilymph steroid level selectively. The purpose of this study is to compare the efficacy of ITSI (IT group) with that of systemic steroid (IV group) on SSNHL with diabetes. Subjects and Method:Thirty eight SSNHL patients who were diagnosed with diabetes were divided into the IV group (19 patients) and the IT group (19 patients). In the IV group, prednisolone was administrated intravenously for 7 days followed by tapered doses orally for 7 days. In the IT group, dexamethasone was administrated 4 times within a 2 week-period. Hearing outcome was assessed before and after treatment. Results:In the IV group, 10 patients (58.8%) showed an improvement in the pure tone audiogram (PTA), with a mean improvement of 17.6 dB (p=0.023). In the IT group, 16 patients (84.2%) showed improvement in the PTA, with the mean improvement of 25.1 dB (p=0.000). But there was no significant difference in hearing gain and the recovery rate between the two groups. And it is more difficult to control blood sugar in the IV group rather than in the IT group. Conclusion:ITSI treatment is as effective as the systemic steroid treatment for SSNHL patients with diabetes and it can avoid a significant side effect of systemic steroids. So it could be considered as an initial treatment for the SSNHL patient with diabetes. (Korean J Otorhinolaryngol-Head Neck Surg 2008;51:227-33)
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