Objective:To predict the prognosis of acute low-tone sensorineural hearing loss(ALHL)by using the videonystagmography(VNG)and electrocochleography(ECochG).Method:A retrospective study was done in70 patients with ALHL after long-term follow-up.The recurrence rate and rate of progression to definite Meniere′s disease were determined according to the results of VNG and ECochG tests at the onset of the first episode of hearing loss.Result:Twenty-nine patients(41.4%)experienced recurrent hearing loss and 5patien...