Effects of greater occipital nerve block on tinnitus and dizziness.

We analyzed relationships among tinnitus relief, dizziness, and results of vertical autocorrelation studies of head movement to investigate the effect of greater occipital nerve block on the sensory and motor system in 2 patients with abnormal head movement. Tinnitus improved in 14 (52%) of 28 tinnitus patients after occipital nerve block. The percentage of patients reporting tinnitus improvement (54%, or 7 patients) among 13 patients without a history of trauma was not significantly higher than among 12 patients with trauma (33% or 4 patients).

Effects of tinnitus on posture: a study of electrical tinnitus suppression.

We investigated the effects of tinnitus on postural responses using posturography. Thirty-three tinnitus patients (19 female and 14 male) ranging in age from 33 to 67 years (mean age, 53) were selected randomly at our outpatient clinic. Nobody complained of dizziness.

Evaluation of Implanted Tinnitus Suppressor Based on Tinnitus Stress Test.

An electrical tinnitus suppressor developed at the Hokkaido University was implanted in two women and five men, aged 44-77 years old. To evaluate the efficacy of the suppressor, a self-administered tinnitus stress test (TST), annoyance index (AI), and tinnitus intensity index (TII) were conducted 1 1/2-3 years after implantation of the device. Residual inhibition results found at outpatient clinics and at the homes of patients with implanted suppressors were closely correlated except in one patient in whom the device's electrode was free from the promontorium tympani.

Improved Selective Attention and Word Perception in Tinnitus Patients Treated with Electrical Stimulation.

Grammatically correct but nonsense twenty 4-segment sentences mixed with multiple talk recorded on CD were delivered to ears tested in 47 tinnitus patients at a comfortable level via a headphone. The signal-to-noise ratios were 0dB, 5dB and 10dBSPL. Patients were requested to repeat what they heard before and after electrical treatment.

Increased Parasympathetic Nerve Tone in Tinnitus Patients Following Electrical Promontory Stimulation.

Cutaneous digital blood flow (CDBF) during electrical promontory stimulation was measured by laser Doppler flowmetry in 46 tinnitus patients. In patients with tinnitus suppression. CDBF was increased.

A study of electrical promontory stimulation in tinnitus patients.

Electrical promontory stimulation relieved tinnitus in 74 (57.4%) of 129 ears (112 patients). There was no significant difference in etiology of tinnitus, age, average audiogram, or tinnitus frequency between patients who responded to electrical stimulation and those who did not.

Electrical stimulation of the auditory nerve in deaf kittens: effects on cochlear nucleus morphology.

The present study examines the effects of long-term electrical stimulation of the auditory nerve on the morphology of neurons in the cochlear nucleus in young, sensorineural deaf animals. Kittens, systemically deafened using kanamycin and ethacrynic acid, received bilateral cochlear implants and were stimulated unilaterally for periods of up to four months. After sacrifice, cross-sectional areas of neuron somata were measured with an image-analysis system and compared using nonparametric statistics.