Abstract
Sudden Sensory-Neural Hearing Loss (SSNHL) is one of the most important otologic emergency. Although adding intratympanic (IT) steroids to systematic steroid may be beneficial, the exact timing of the IT injections to provide the best response needs further investigations. To compare different protocols in treting sudden sensorineural hearing loss. We performed a clinical trial study on 120 patients from October 2021 to February 2022. All patients were prescribed 1 mg/Kg daily oral prednisolone. After randomization to three groups, the control group received standard twice a week IT steroid injections in 12 days (four total injections) while intervention groups 1 and 2 received once and twice a day IT injections for ten days. Audiometric study repeated 10–14 days after the last injection and assessed based on the Siegel criteria. We used the Chi-Square, Analysis of Variance (ANOVA), Kruskal–Wallis’s tests where appropriate. The most clinical improvement was found in the standard treatment group, and group-2 had the greatest number of patients with no improvement; however, no overall significant difference was observed among the three groups (p-value: 0.066; Pearson Chi-Square). Less frequent IT injections in patients already on systemic steroids provide similar results to more frequent injections.
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This study protocol was reviewed and approved by the Ethical Committee of Approval Number: REC.1399.232. Written informed consent was obtained for participation in this study.
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Nourizadeh, N., Rezaiee, N., Rajati, M. et al. Evaluation of Sudden Sensory-Neural Hearing Loss Patients Treated with Systemic Steroids with Additional Intratympanic Dexamethasone Injection in Different Intervals; a Clinical Trial Study. Indian J Otolaryngol Head Neck Surg 75 (Suppl 1), 568–573 (2023). https://doi.org/10.1007/s12070-023-03641-4
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DOI: https://doi.org/10.1007/s12070-023-03641-4