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Otol Neurotol. 2002 Jul;23(4):447-51.

Magnesium: a new therapy for idiopathic sudden sensorineural hearing loss.

Author information

  • 1Department of Otolaryngology-Head and Neck Surgery, Rambam Medical Center, PO Box 9602 Haifa, Israel. ariegor@hotmail.com

Abstract

OBJECTIVE:

To determine whether treatment with Mg(2+) improves the outcome of idiopathic sudden hearing loss and to investigate which variables influence its prognosis.

STUDY DESIGN:

Prospective randomized study.

SETTING:

Department of Otolaryngology-Head and Neck Surgery, Rambam Medical Center, Haifa, Israel.

PATIENTS:

The study group included 133 patients. Sixty patients were treated with carbogen inhalation, and 73 were treated with a combination of carbogen inhalation and intravenous MgSO(4).

RESULTS:

The mean improvement rate was 66.4% in the Mg(2+) group and 49.9% in the carbogen group (p < 0.01). Recovery was achieved in 35 patients (48%) in the Mg(2+) group and only in 19 patients (31.6%) in the carbogen group (p < 0.01). Significant improvement was seen in 20 patients (27.4%) in the Mg(2+) group and in 14 patients (23.3%) in the carbogen group. Partial improvement was seen in eight patients (10.9%) in the Mg(2+) group and in 12 patients (20%) in the carbogen group. No improvement was achieved in 10 patients (13.6%) in the Mg(2+) group and in 15 patients (25%) in the carbogen group. Patients with vestibular symptoms had a poorer hearing outcome compared to those without vertigo (p < 0.04). Patients who commenced the treatment 8 days or more after onset had poorer recovery as compared with those who started treatment earlier (p < 0.03), regardless of the treatment regimen. Age, sex, and tinnitus had no significant impact on hearing recovery.

CONCLUSION:

We found that Mg(2+) improved hearing recovery in cases of idiopathic sudden hearing loss. Vertigo and treatment delay beyond 8 days were poor prognostic factors for recovery.

PMID:
12170143
[PubMed - indexed for MEDLINE]
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