Korean J Otolaryngol-Head Neck Surg.  2006 May;49(5):494-498.

Prognostic Factors of Acute Acoustic Trauma

Affiliations
  • 1Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Chonbuk National University, Jeonju, Korea. yjyoon@chonbuk.ac.kr

Abstract

BACKGROUND AND OBJECTIVES: The prognosis and prognostic factors for acute acoustic trauma are difficult to predict. The aim of this study was to assess the prognostic factors of acute acoustic trauma.
SUBJECTS AND METHOD
The cases selected for this report are 27 patients with acute acoustic trauma and 139 patients with sudden deafness are selected for control group. The following factors were examined for prognostic factors: age, vestibular symptom, degree of initial hearing loss, number of days before the start of treatment.
RESULTS
Most strongly related factor for prognosis is number of days before the start of treatment, but other factors are not significant relation for prognosis. The overall hearing recovery rate of acute acoustic trauma was 29.6% and that of sudden deafness is 56.1%.
CONCLUSION
Early treatment of acute acoustic trauma increases hearing recovery rate, and acute acoustic trauma has worse prognosis than sudden deafness.

Keyword

Acoustic trauma; Prognosis; Sudden deafness

MeSH Terms

Acoustics*
Hearing
Hearing Loss
Hearing Loss, Noise-Induced*
Hearing Loss, Sudden
Humans
Prognosis
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