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Huang SY, Hsu CM, Yang YH, Tsai YH, Tsai MS, Chang GH, Liu CY, Lee YC, Huang EI, Tsai YT. Elevated risk of acute epiglottitis in patients with chronic obstructive pulmonary disease: A nationwide cohort study. PLoS One 2022; 17:e0273437. [PMID: 35984835 PMCID: PMC9390908 DOI: 10.1371/journal.pone.0273437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 08/08/2022] [Indexed: 11/18/2022] Open
Abstract
Objective
In individuals with epiglottitis, chronic obstructive pulmonary disease (COPD) is a common comorbidity; however, the impact of COPD under such circumstances is not well documented. Therefore, we performed this population-based study to determine whether, in adults, COPD is a risk factor for epiglottitis.
Methods
In this retrospective matched-cohort study, data obtained from the Taiwan National Health Insurance Research Database were analyzed. We identified all patients newly diagnosed as having COPD in 2000–2011 and performed frequency matching and propensity-score matching for every patient with COPD individually to another patient without a COPD diagnosis. We used epiglottitis occurrence as the study endpoint, and we investigated the hazard ratio of epiglottitis by using the Cox proportional hazards model after adjustment for potential confounders.
Results
In the frequency matching, the cumulative epiglottitis incidence was significantly higher (p = 0.005) in the COPD cohort. According to the adjusted Cox proportional hazard model, COPD exhibited a significant association with elevated epiglottitis incidence (adjusted hazard ratio: 1.76; 95% confidence interval: 1.15–2.70, p = 0.009). Similar trend was observed in the propensity-score matching analysis (adjusted hazard ratio: 1.50; 95% confidence interval: 0.99–2.29, p = 0.057). Our subgroup analysis revealed COPD to be an epiglottitis risk factor in male patients and those aged 40–64 years.
Conclusions
This is the first nationwide matched-cohort research to examine the association of COPD with epiglottitis. Our results revealed that COPD may be a potential risk factor for epiglottitis; thus, clinicians should be mindful of the potential increased risk of epiglottitis following COPD.
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Affiliation(s)
- Shu-Yi Huang
- Department of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Cheng-Ming Hsu
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yao-Hsu Yang
- Health Information and Epidemiology Laboratory, Chang Gung Memorial Hospital, Chiayi, Taiwan
- Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yuan-Hsiung Tsai
- Department of Radiology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Ming-Shao Tsai
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Geng-He Chang
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Chia-Yen Liu
- Health Information and Epidemiology Laboratory, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yi-Chan Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Ethan I. Huang
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yao-Te Tsai
- Department of Otorhinolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
- * E-mail:
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