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E-cigarette-associated Severe Pneumonia in Korea Using Data Linkage between the Korea National Health and Nutrition Examination Survey (KNHANES, 2013-2019) and the National Health Insurance Service (NHIS) Claims Database

Authors
 Hye Seon Kang  ;  Jae Yeol Kim  ;  Hye Jung Park  ;  Jae-Woo Jung  ;  Hye Sook Choi  ;  Jong Sook Park  ;  Joo Hun Park  ;  Sang Haak Lee  ;  Eun Mi Chun  ;  Yoojung Cho  ;  Eunhee Rhee  ;  Beom Seuk Hwang 
Citation
 JOURNAL OF KOREAN MEDICAL SCIENCE, Vol.36(48) : e331, 2021-12 
Journal Title
JOURNAL OF KOREAN MEDICAL SCIENCE
ISSN
 1011-8934 
Issue Date
2021-12
MeSH
Adult ; Databases, Factual ; Electronic Nicotine Delivery Systems* ; Female ; Hospitalization / statistics & numerical data ; Humans ; Incidence ; Information Storage and Retrieval ; Male ; Middle Aged ; National Health Programs ; Nutrition Surveys ; Pneumonia / diagnosis* ; Pneumonia / epidemiology ; Pneumonia / etiology ; Pneumonia / mortality ; Republic of Korea / epidemiology ; Retrospective Studies ; Smokers / statistics & numerical data ; Vaping / adverse effects
Keywords
E-cigarette Vapor ; Lung Injury ; Pneumonia
Abstract
Background: This study aimed to investigate the association between e-cigarette (EC) use and development of acute severe pneumonia in the Korean population using a national database.

Methods: We conducted a retrospective analysis using linkage of data between the Korean National Health and Nutrition Examination Survey (KNHANES) and the National Health Insurance Service (NHIS) administrative claims database. The primary endpoint of this study was development of severe pneumonia requiring hospital admission according to EC use during the study period. The secondary endpoints were in-hospital mortality, intensive care unit (ICU) admission, ventilator care, and days of hospital stay.

Results: The final analysis included 28,950 individuals, of which 578 (2.0%) were EC users. EC users were younger and more often male than non-EC users. The EC users showed higher level of education and household income and had fewer comorbidities. Severe pneumonia was noted in 37 of 28,372 non-EC users (0.13%), but there were no occurrences of severe pneumonia in EC users. The incidence of pneumonia occurrence was not different between the two groups (P = 1.000).

Conclusions: Since e-cigarette or vaping use-associated lung injury (EVALI) is most likely included in acute severe pneumonia occurring within 3 months of EC use, it is considered that there might be no EVALI patients in Korea during the investigation period. A large-scale, prospective study is necessary to evaluate the association between EC use and acute lung injury.
Files in This Item:
T999202280.pdf Download
DOI
10.3346/jkms.2021.36.e331
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Hye Jung(박혜정) ORCID logo https://orcid.org/0000-0002-1862-1003
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/191113
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