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A comprehensive study of deaths due to exposure to humidifier disinfectant in Korea: focusing on medical records, assessment of exposure to humidifier disinfectants, and causes of death
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Yeong Jun Ju, Seungho Lee, Seungsoo Sheen, Dong-Woo Choi, Jong-Han Leem, Soon Young Lee
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Epidemiol Health. 2021;43:e2021091. Published online November 1, 2021
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DOI: https://doi.org/10.4178/epih.e2021091
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Abstract
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PDF Supplementary Material
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Abstract
OBJECTIVES We aimed to determine the characteristics of the deceased victims of deaths caused by exposure to humidifier disinfectants, and present the distribution of the victims’ data submitted for damage application, demographic characteristics, imaging findings, characteristics of humidifier disinfectant exposure, and distribution of the causes of death.
METHODS An integrated database of victims was established using the medical records data of 1,413 victims submitted during the application for death damage caused by exposure to humidifier disinfectants, and the demographic characteristics, medical records, imaging findings, exposure characteristics, and cause of death were examined.
RESULTS The average numbers of data submissions of each applicant for death damage were 3.0 medical use records. A total of 608 (43.0%) victims had more than one finding of acute, subacute, or chronic interstitial lung diseases. The average daily and cumulative use times of the victims were 14.40 and 24,645.81 hours, respectively, indicating greater exposure in this group than in the survivors. The humidifier disinfectants’ components comprised polyhexamethylene guanidine (72.8%), chloromethylisothiazolinone/methylisothiazolinone (10.5%), other components (15.0%), and oligo-[2-(2-ethoxy)-ethoxyethyl] guanidine chloride (1.5%). The components’ distribution was 67.8% for single-component use, which was higher than that in the survivors (59.8%). The distribution of the causes of death were: respiratory diseases (54.4%), neoplasms (16.8%), and circulatory diseases (6.3%). Other interstitial lung diseases (65.5%) were the most common cause of death among those who died due to respiratory diseases.
CONCLUSIONS Careful discussions of appropriate remedies should be conducted based on a comprehensive understanding of the characteristics of the deceased victims, considering their specificities and limitations.
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Summary
Korean summary
가습기 살균제 사망 피해 신청자 들 중 건강피해를 인정받지 못한 신청자들이 여전히 많이 남아있으며 (약 40%), 피해판정의 복잡성과 다양한 이슈들이 산적해 있어 사망 피해 신청자들의 적정 구제를 위해 종합적인 특성파악을 바탕으로 세심한 관점에서의 검토가 필요하다. 특히, 가습기 살균제 사망 피해 신청자의 특수성과 피해구제의 제한점을 고려하여야 하며, 기계적인 건강피해 판정을 지양하고 사망 피해 신청자 중심의 세밀한 특성 파악을 바탕으로 다양한 전문가집단이 참여하는 종합적인 논의를 통해 적정구제를 이루어 나가야 함을 제안한다.
Key Message
Careful discussions of appropriate remedies should be conducted based on a comprehensive understanding of the characteristics of the deceased victims, considering their specificities and limitations.
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Citations
Citations to this article as recorded by 
- Polyhexamethylene Guanidine Phosphate Enhanced Procoagulant Activity through Oxidative-Stress-Mediated Phosphatidylserine Exposure in Platelets
Ju Hee Choi, Keunyoung Kim Toxics.2024; 12(1): 50. CrossRef - Next generation risk assessment of biocides (PHMG-p and CMIT/MIT)-induced pulmonary fibrosis using adverse outcome pathway-based transcriptome analysis
Jun Woo Kim, Hyung Sik Kim, Ha Ryong Kim, Kyu Hyuck Chung Journal of Hazardous Materials.2024; 476: 134986. CrossRef - Metabolite analysis of 14C-labeled chloromethylisothiazolinone/methylisothiazolinone for toxicological consideration of inhaled isothiazolinone biocides in lungs
Jung Eun Park, Seung-Hun Ryu, Satoshi Ito, Hyunil Shin, Young-Hee Kim, Jongho Jeon Chemosphere.2024; 362: 142666. CrossRef - Toxicity and Safety Analysis of Polyhexamethylene Guanidine: A Comprehensive Systematic Review
Ivan Ivanov, Daria Kirillova, Kenes Erimbetov, Denis Shatalov Sciences of Pharmacy.2024; 3(3): 153. CrossRef - Gene expression related to lung cancer altered by PHMG-p treatment in PBTE cells
Yoon Hee Park, Sang Hoon Jeong, Hyejin Lee, Cherry Kim, Yoon Jeong Nam, Ja Young Kang, Jin Young Choi, Yu-Seon Lee, Su A. Park, Jaeyoung Kim, Eun-Kee Park, Yong-Wook Baek, Hong Lee, Ju-Han Lee Molecular & Cellular Toxicology.2023; 19(1): 205. CrossRef - Health Effects Associated With Humidifier Disinfectant Use: A Systematic Review for Exploration
Ji-Hun Song, Joonho Ahn, Min Young Park, Jaeyoung Park, Yu Min Lee, Jun-Pyo Myong, Jung-Wan Koo, Jongin Lee Journal of Korean Medical Science.2022;[Epub] CrossRef
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Evaluation report on the causal association between humidifier disinfectants and lung injury
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Mina Ha, Soon Young Lee, Seung-sik Hwang, Hyesook Park, Seungsoo Sheen, Hae Kwan Cheong, Bo Youl Choi
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Epidemiol Health. 2016;38:e2016037. Published online August 18, 2016
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DOI: https://doi.org/10.4178/epih.e2016037
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25,016
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525
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6
Crossref
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Abstract
Summary
PDF Supplementary Material
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Abstract
OBJECTIVES As of November 2011, the Korean government recalled and banned humidifier disinfectants (HDs) from the market, because four case-control studies and one retrospective epidemiological study proved the association between HDs and lung injury of unknown cause. The report reviewed the causal role of HDs in lung injury based on scientific evidences.
METHODS A careful examination on the association between the HDs and lung injury was based on the criteria of causality inference by Hill and the US Surgeon General Expert Committee.
RESULTS We found that all the evidences on the causality fulfilled the criteria (strength of association, consistency, specificity, temporality, biologic gradient, plausibility, coherence, experiment, analogy, consideration of alternative explanations, and cessation of exposure), which proved the unknown cause lung injury reported in 2011 was caused by the HDs. In particular, there was no single reported case of lung injury since the ban in selling HDs in November 2011 as well as before the HDs were sold in markets.
CONCLUSIONS Although only a few epidemiological studies in Korea have evaluated the association between lung injury and the use of HDs, those studies contributed to proving the strong association between the use of the HDs and lung injury, based on scientific evidence.
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Summary
Korean summary
본 논문에서는 Hill의 기준과 US Surgeon General 전문위원회에서 제시하는 기준에 근거하여 가습기살균제와 폐손상과의 인과성을 검토하였다. 검토결과, 11개 조건(관련성의 강도, 일관성, 특이성, 시간적 선후관계, 생물학적 용량-반응 관계, 개연성, 기존 지식과의 일치성, 실험, 유사성, 다른 가능한 해석에 대한 고려 및 노출의 중단) 을 모두 충족함을 확인하므로 써, 2011년 발생한 원인미상 폐손상의 원인이 가습기살균제 노출로 인한 것임을 알 수 있었다. 무엇보다도 가습기살균제 시판 전에는 원인미상 폐손상이 보고된 바가 없었고, 2011년 11월 가습기살균제 판매중지 이후 폐손상이 한 건도 발생하지 않은 것은 원인미상의 폐손상이 가습기살균제로 인한 것임을 강력하게 지지하는 것으로 판단된다.
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Citations
Citations to this article as recorded by 
- New-Onset and Exacerbation of Lung Diseases after Short-Term Exposures to Humidifier Disinfectant during Hospitalization
Seula Lee, Kyunghee Han, Jeonggyo Yoon, Eun-Kyung Jo, Wonho Yang, Yoon-Hyeong Choi Toxics.2022; 10(7): 371. CrossRef - Characterizing Subjects Exposed to Humidifier Disinfectants Using Computed-Tomography-Based Latent Traits: A Deep Learning Approach
Frank Li, Jiwoong Choi, Xuan Zhang, Prathish K. Rajaraman, Chang-Hyun Lee, Hongseok Ko, Kum-Ju Chae, Eun-Kee Park, Alejandro P. Comellas, Eric A. Hoffman, Ching-Long Lin International Journal of Environmental Research and Public Health.2022; 19(19): 11894. CrossRef - Physical analysis reveals distinct responses of human bronchial epithelial cells to guanidine and isothiazolinone biocides
Tae Yoon Kwon, Jaeseong Jeong, Eunyoung Park, Youngbin Cho, Dongyoung Lim, Ung Hyun Ko, Jennifer H. Shin, Jinhee Choi Toxicology and Applied Pharmacology.2021; 424: 115589. CrossRef - Need for individual-based evaluation to determine the association between humidifier disinfectants and health injuries
Hyeong-Cheol Kim, Hyunil Kim, Eun-Chan Mun, Yesung Lee, Soyoung Park Annals of Occupational and Environmental Medicine.2021;[Epub] CrossRef - Strength of Association. Report 1. Graduations of Relative Risk
А. Котеров, A. Koterov, Л. Ушенкова, L. Ushenkova, Э. Зубенкова, E. Zubenkova, А. Вайнсон, A. Vaynson, М. Калинина, M. Kalinina, А. Бирюков, A. Biryukov Medical Radiology and radiation safety.2019; : 5. CrossRef - Causal inference in environmental epidemiology
Sanghyuk Bae, Hwan-Cheol Kim, Byeongjin Ye, Won-Jun Choi, Young-Seoub Hong, Mina Ha Environmental Health and Toxicology.2017; 32: e2017015. CrossRef
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