Journal of Audiology & Otology

The Korean Audiology Society (대한청각학회)
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Nationwide Analysis of Mortality Rates and Related Surgical Procedures in Hearing Disability Patients in South Korea

  • Han, Hye Min (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Kwak, Ji Won (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Kim, Hyeon Geun (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Lee, Hoyoung (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Kim, Young-Chan (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Park, Euyhyun (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Jung, Hak Hyun (Department of Otorhinolaryngology, Korea University College of Medicine) ;
  • Im, Gi Jung (Department of Otorhinolaryngology, Korea University College of Medicine)
  • Received : 2020.07.07
  • Accepted : 2020.09.21
  • Published : 2020.10.20
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Abstract

Background and Objectives: Hearing loss (HL) and its repercussions are major problems in today's society. There are limited data on the relationship between degree of HL and otologic disorders. The aim of this study is to estimate mortality rates, rates of sudden idiopathic HL and related otologic surgical procedures in hearing disability patients in South Korea. Subjects and Methods: Retrospective medical data for 160,205 patients with hearing disability was extracted. Mortality rates, rates of sudden idiopathic HL and related otologic surgical procedures were compared with a normal control group consisting of 865,475 people; approximately 5 times the number of hearing disability patients. Results: According to the Korean National Disability Registry (NDR), 0.458% of the population in South Korea suffered from hearing disability in 2015. Higher rates of mortality and sudden idiopathic HL were reported in hearing disability patients, increasing up to a maximum of 1.594 times and 1,039.695 times, respectively, compared to the normal control group. Mastoidectomy surgery was 2.5 times more frequently performed and pressure equalizing (PE) tube insertion was about 15 times more frequently performed in hearing disability patients. Conclusions: Hearing disability is related to higher risks of mortality, sudden idiopathic HL and otologic surgical procedures, including mastoidectomy and PE tubing.

Keywords

Acknowledgement

This work was supported by the National Research Grant funded by the Korea Health Industry Development Institute (R1606512, R1621963, R1429733) and Korea University Research Fund (K1912851, K1813271, K2005001, K2008511). These funding sources provided only financial support and played no specific scientific role in this study.

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