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[Color-coded duplex ultrasound findings and transcranial color duplex ultrasound findings in patients with acute inner ear disorders--a preliminary observation].

A prospective investigation of 98 patients with acute loss of inner ear function showed that such patients display changes in the pulsatility of the basilar artery; however, the differences can be appreciated only by comparison with control sonograms during the course of the disease. Patients with sudden deafness or sudden loss of equilibrium generally showed unremarkable findings on duplex sonography of the cervical portions of vessels supplying the brain.