Increased Incidence of Glaucoma in Sensorineural Hearing Loss: A Population-Based Cohort Study

Hsiang-Wen Chien, Pei-Hsuan Wu, Kai Wang, Chi-Chin Sun, Jing-Yang Huang, Shun-Fa Yang, Hung-Chi Chen and Chia-Yi Lee
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Hsiang-Wen Chien: Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
Pei-Hsuan Wu: Department of Otolaryngology–Head and Neck Surgery, Tri-Service General Hospital, Taipei 114, Taiwan
Kai Wang: Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
Chi-Chin Sun: Department of Ophthalmology, Chang Gung Memorial Hospital, Keelung 204, Taiwan
Jing-Yang Huang: Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
Shun-Fa Yang: Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
Hung-Chi Chen: Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou 333, Taiwan
Chia-Yi Lee: Department of Ophthalmology, Show Chwan Memorial Hospital, Changhua 500, Taiwan

IJERPH, 2019, vol. 16, issue 16, 1-10

Abstract: The purpose of the current study was to evaluate the incidence of glaucoma in patients diagnosed with sensorineural hearing loss (SNHL) via the application of the National Health Insurance Research Database in Taiwan. A retrospective cohort study was conducted. Patients with a diagnosis of SNHL were enrolled in the study group after an exclusion procedure and a propensity score matched group without SNHL was served as the control group with a 1:2 ratio. The main outcome was regarded as the emergence of glaucoma diagnostic codes. Cox proportional hazard regression was applied to analyze the incidence and adjusted hazard ratio (aHR) of glaucoma in the multivariate model. A total of 15,686 patients diagnosed with SNHL were enrolled in the study group while another 31,372 non-SNHL individuals served as the control group. There were 444 glaucoma events in the study group and 647 glaucoma events in those non-SNHL individuals after the follow-up interval of 16 years. The study group demonstrated a significantly higher aHR compared to the control group after adjusting for multiple possible risk factors. In the subgroup analysis, both the normal tension glaucoma and angle closure glaucoma subgroups revealed a higher aHR in the study group. In conclusion, the patients with SNHL demonstrated a higher incidence of developing glaucoma. Moreover, the incidence was more prominent for patients diagnosed with normal tension glaucoma and angle closure glaucoma.

Keywords: glaucoma; sensorineural hearing loss; epidemiology; degeneration; neuropathy (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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