Vertigo Research Today is a free monthly online journal that collates and summarizes the latest research about Vertigo, including details on causes, symptoms, treatment, dizziness. | ||||||||
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Impact of prognostic factors on recovery from sudden hearing loss.Ceylan A, Celenk F, Kemaloğlu YK, Bayazit YA, Göksu N, Ozbilen S Department of Otolaryngology, Gazi University School of Medicine, Ankara, Turkey. OBJECTIVE: To define the impact of patient-related and audiovestibular parameters on the prognosis of sudden hearing loss. METHODS: Eighty-three patients were included in this retrospective study. All were treated medically. We recorded the patients' demographic parameters, systemic diseases, time elapsed between onset of sudden hearing loss and initiation of treatment, tinnitus, vestibular symptoms, type of initial audiogram, pure tone averages and speech discrimination scores. For all patients, audiological measurements were performed on initial admission and at the completion of treatment on the 10th day. RESULTS: There was no correlation between the hearing gain and recovery rate scores and patients' gender or age (p>0.05). However, a correlation was found between gender and relative hearing gain. Vertigo was not correlated with hearing gain and recovery rate scores (p0.05); time elapsed between onset of sudden hearing loss and initiation of treatment (p>0.05); type of audiogram on initial admission (p>0.05), except for midfrequency type of audiogram; and tinnitus (p>0.05). CONCLUSIONS: The outcome of sudden hearing loss was unaffected by systemic disease, tinnitus or type of audiogram (except for midfrequency type). The following were poor prognostic factors in the outcome of sudden hearing loss: female gender, presence of vertigo, initiation of treatment more than seven days after onset of hearing loss, and >40 dB hearing loss on admission. Published 26 October 2007 in J Laryngol Otol, 121(11): 1035-40.
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