Korean J Otorhinolaryngol-Head Neck Surg.  2018 Oct;61(10):514-521. 10.3342/kjorl-hns.2017.00983.

Infuence of Metabolic Syndrome on Hearing Outcome in Sudden Sensorineural Hearing Loss

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Konyang University College of Medicine, Daejeon, Korea. rogue25@chol.com
  • 2Konyang University Myunggok Medical Research Institute, Daejeon, Korea.

Abstract

BACKGROUND AND OBJECTIVES
Sudden sensorineural hearing loss (S-SNHL) has been reported to be associated with hypertension, diabetes mellitus, hyperlipidemia, and stroke in previous studies. The purpose of this study was to confrm whether metabolic syndrome (MS) infuences the hearing outcome of S-SNHL in the Korean population.
SUBJECTS AND METHOD
We prospectively investigated the clinical variables of 231 cases of S-SNHL from 2010 March to 2014 February. MS was defned according to the National Cholesterol Education Program Adult Treatment Panel III with Asian modifcations. We analyzed and compared the basic and clinical characteristics, the thresholds of pure tone audiometry (PTA), and the hearing outcomes of patients with MS (MS group) and without MS (NMS group).
RESULTS
There were no signifcant differences in the basic characteristics and initial hearing thresholds between the MS and NMS groups; on the other hand, there were signifcant differences in all of the clinical values of MS between the two groups. The average thresholds of final PTA for the MS and NMS groups were 52.9±30.9 dB and 40.5±27.2 dB, respectively, with meaningful diversity (p < 0.01). According to Siegel's criteria, the recovery rate of the NMS group (95/159, 59.7%) was signifcantly higher than those of the MS group (29/72, 40.3%). The proportion of recovery within 5 days after starting the treatment was signifcantly higher of the NMS group (37/95, 39.0%) than those of the MS group (4/29, 13.8%) (p < 0.01).
CONCLUSION
The hearing outcome of the NMS group was signifcantly better than those of the MS group.

Keyword

Diabetes mellitus; Dyslipidemia; Hypertension; Metabolic syndrome; Sudden sensorineural hearing loss

MeSH Terms

Adult
Asian Continental Ancestry Group
Audiometry
Cholesterol
Diabetes Mellitus
Dyslipidemias
Education
Hand
Hearing Loss, Sensorineural*
Hearing*
Humans
Hyperlipidemias
Hypertension
Methods
Prospective Studies
Stroke
Cholesterol
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