Journal of The Korean Society of Clinical Toxicology

Woochan Jeon

5 Articles

Analysis of Poisoning Patients Using 2017-18 ED Based Injury in-depth Surveillance Data: Jiyoon Koh, Woochan Jeon, Hyunggoo Kang, Yang Weon Kim, Hyun Kim, Bum Jin Oh, Mi Jin Lee, Byeong Jo Chun, Sung Phil Chung, Kyung Hwan Kim; J Korean Soc Clin Toxicol. 2020;18(2):85-93. Published online December 31, 2020; DOI: https://doi.org/10.22537/jksct.2020.18.2.85

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Purpose: The annual statistics for poisoning are reported based on the data from poison control centers in many advanced countries. In 2016 a study was conducted to analyze the 2016 Korea Poisoning status. This study was conducted to make a better annual report for poisoning statistics in Korea from a 2017-2018 national representative database. Methods: This study was a retrospective analysis of poisoning patients based on the data from an emergency department (ED) based injury in-depth surveillance project by the Korea Centers for Disease Control and Prevention in 2017-2018. Bite or sting injuries were not included. Results: A total of 17714 patients presented to 23 EDs because of poisoning. Adults above 20 years old age accounted for 84.6% of the population, while the proportion of intentional poisoning was 60.8%. The poisoning substance presented in the ED were therapeutic drugs (51.2%), gas (20.3%), pesticides (16.4%), and artificial substances (11.4%). Overall, 35% of patients were admitted for further treatment. The mortality was 2.4% (422 cases), and the most common fatal substances in order were carbon monoxide, other herbicides, and paraquat. Conclusion: This study showed the 2017-2018 status of poisoning in Korea. The prognosis is different from the cause of poisoning and the initial mental state of the patient. Therefore, appropriate methods for preventing poisoning and therapeutic plans in specific situations are needed.

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응급실 기반 중독 심층 실태조사 1차년도 결과 보고
성우 이, 수진 김, 규종 조, 미진 이, 병학 소, 경수 김, 주현 송
Public Health Weekly Report.2024; 17(14): 535. CrossRef
Status and trends of medical expenditures for poisoning patients
Eung Nam Kim, Soyoung Jeon, Hye Sun Lee, Sung Phil Chung
Journal of The Korean Society of Clinical Toxicology.2023; 21(1): 24. CrossRef
The 2022 Annual Report on Toxicology Surveillance and Severe Poisoning Cases at Emergency Departments in Korea
Eun Sun Lee, Su Jin Kim, Gyu Chong Cho, Mi Jin Lee, Byung Hak So, Kyung Su Kim, Juhyun Song, Sung Woo Lee
Journal of The Korean Society of Clinical Toxicology.2023; 21(1): 1. CrossRef
Prioritising Risk Factors for Prescription Drug Overdose among Older Adults in South Korea: A Multi-Method Study
Eun-Hae Lee, Ju-Ok Park, Joon-Pil Cho, Choung-Ah Lee
International Journal of Environmental Research and Public Health.2021; 18(11): 5948. CrossRef

Characteristics of Korean Poisoning Patients: Retrospective Analysis by National Emergency Department Information System: Woongki Kim, Kyung Hwan Kim, Dong Wun Shin, Junseok Park, Hoon Kim, Woochan Jeon, Joon Min Park, Jung Eon Kim, Hyunjong Kim; J Korean Soc Clin Toxicol. 2019;17(2):108-117. Published online December 31, 2019; DOI: https://doi.org/10.22537/jksct.2019.17.2.108

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Purpose: The study examined the poisoned patients' characteristics nationwide in Korea by using data from the National Emergency Department Information System (NEDIS). Methods: Among the patients' information sent to NEDIS from January 1, 2013 to December 31, 2015, the included subjects' main diagnosis in ED showed poisoning according to the 7th edition of the Korean Standard Disease Classification (KCD-7). We analyzed the patients' gender, age, initial vital signs, visit time, stay time of staying in ED, results of ED care, main diagnosis in ED, length of hospitalization, and results of hospitalization. Results: A total of 106,779 ED visits were included in the analysis. There were 55,878 males (52.3%), which was more than the number of females. The number of intentional poisoning was 49,805 (59.6%). 75,499 cases (70.8%) were discharged, and 25,858 cases (24.2%) were hospitalized. The numbers of poisoning patients per 1,000 ED visits were 14 in Chungnam and 11.9 in Jeonbuk. The most common cause of poisoning, according to the main diagnosis, was venomous animals. It was the same for hospitalized patients, and pesticide was next. Pesticide was the most common cause of mortality in ED (228 cases, 46.1%) and after hospitalization (584 cases, 54.9%). The incidence of poisoning by age group was frequent for patients in their 30s to 50s, and mortality in ED and post-hospitalization were frequent for patients in their 60s to 80s. Conclusion: This study investigated the characteristics of poisoning patients reported in the past 3 years. Pesticide poisoning had a high mortality rate for patients in ED and in-hospital. For mortality, there was a high proportion of elderly people over 60. Thus, policy and medical measures are needed to reduce this problem. Since it is difficult to identify the poison substance in detail due to nature of this study, it is necessary to build a database and monitoring system for monitoring the causative substance and enacting countermeasures.

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응급실 기반 중독 심층 실태조사 1차년도 결과 보고
성우 이, 수진 김, 규종 조, 미진 이, 병학 소, 경수 김, 주현 송
Public Health Weekly Report.2024; 17(14): 535. CrossRef
The 2022 Annual Report on Toxicology Surveillance and Severe Poisoning Cases at Emergency Departments in Korea
Eun Sun Lee, Su Jin Kim, Gyu Chong Cho, Mi Jin Lee, Byung Hak So, Kyung Su Kim, Juhyun Song, Sung Woo Lee
Journal of The Korean Society of Clinical Toxicology.2023; 21(1): 1. CrossRef
Demographic characteristics of patients admitted to the emergency department for intoxication and a time series analysis during the COVID-19 period
Bongmin Son, Nayoon Kang, Eunah Han, Gina Yu, Junho Cho, Jaiwoog Ko, Taeyoung Kong, Sung Phil Chung, Minhong Choa
Journal of The Korean Society of Clinical Toxicology.2023; 21(2): 92. CrossRef
Prioritising Risk Factors for Prescription Drug Overdose among Older Adults in South Korea: A Multi-Method Study
Eun-Hae Lee, Ju-Ok Park, Joon-Pil Cho, Choung-Ah Lee
International Journal of Environmental Research and Public Health.2021; 18(11): 5948. CrossRef
Changes in Diagnosis of Poisoning in Patients in the Emergency Room Using Systematic Toxicological Analysis with the National Forensic Service
Je Seop Lee, Yong Sung Cha, Seonghoon Yeon, Tae Youn Kim, Yoonsuk Lee, Jin-Geul Choi, Kyoung-Chul Cha, Kang Hyun Lee, Hyun Kim
Journal of Korean Medical Science.2021;[Epub] CrossRef

Pharmaceutical Drug Poisoning after Deregulation of Over the Counter Drug Sales: Emergency Department Based In-depth Injury Surveillance: Sung Ho Kim, Hyunjong Kim, Ji Sook Lee, Junseok Park, Kyung Hwan Kim, Dong Wun Shin, Hoon Kim, Joon Min Park, Woochan Jeon; J Korean Soc Clin Toxicol. 2018;16(2):141-148. Published online December 31, 2018; DOI: https://doi.org/10.22537/jksct.2018.16.2.141

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Abstract PDF: Purpose: The Korean government approved selected nonprescription drugs (Over-The-Counter drug; OTC drug) to be distributed in convenience stores from 15. Nov. 2012. This study examined the changes in the incidence and the clinical outcome of acute pharmaceutical drug poisoning after the deregulation of OTC drug sales. Methods: This study analyzed the data of Emergency Department based Injury In-depth Injury Surveillance (EDIIS), Korea Centers for Disease Control and Prevention, from 2011 to 2014. The following items were examined: age, gender, intention, alcohol association, pharmaceutical drugs resulting acute poisoning, the clinical outcomes in emergency department, and the admission rate of intensive care unit (ICU). This is a retrospective cross section observational study. Results: A total of 10,162 patients were subject to pharmaceutical drug poisoning. Acute poisoning by acetaminophen and other drugs were 1,015 (10.0%) and 9,147 (90.0%) patients, respectively. After the deregulation of OTC drug sales, acute poisoning by other drugs increased from 4,385 to 4,762 patients but acute poisoning by acetaminophen decreased from 538 to 477 patients (p<0.05). The rate of admission of acetaminophen poisoning increased from 36.1% (194/538) to 46.8% (223/477). The admission rate to the ICU by acetaminophen poisoning increased from 4.6% (25/538) to 11.3% (54/477) after the deregulation of OTC drug sales (p<0.05). Conclusion: Since the deregulation of OTC drugs sales, pharmaceutical drug poisoning has increased but acetaminophen poisoning has decreased. The rate of hospitalization and ICU admission by pharmaceutical drug poisoning with or without acetaminophen has also increased.

Trends in Korean Pediatric Poisoning Patients: Retrospective Analysis of National Emergency Department Information System: Kyeongjae Lee, Kyung Hwan Kim, Dong Wun Shin, Junseok Park, Hoon Kim, Woochan Jeon, Joon Min Park, Hyunjong Kim; J Korean Soc Clin Toxicol. 2017;15(2):69-78. Published online December 31, 2017; DOI: https://doi.org/10.22537/jksct.2017.15.2.69

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Abstract PDF: Purpose: This study reports the clinical features of infant, child, school aged and adolescent patients treated for acute poisoning in nationwide emergency departments (EDs). Methods: We retrospectively analyzed clinical data pertaining to patients under 19 years of age who were treated for acute poisoning in nationwide EDs from 2013 to 2015. The data were collected by the National Emergency Department Information System (NEDIS). All patients were divided into three groups: 'Infant and child group' (0 to 5 years), 'school age group' (6 to 12 years) and 'adolescent group' (13 to 18 years). General characteristics, Korea Standard Classification of Disease $7^{th}$ (KCD-7) codes and results of care were collected. Results: There were 14,500 pediatric poisoning cases during the study period. The distribution of patient age was bimodal with two peaks among infant, child and adolescent group. The proportion of alert mentality at the ED visit of the infant and child group was 99.3%, while that of the adolescent group was 86.4%. The proportion of intentional intoxication was higher in the adolescent group (40.7%) than other age groups. Among children less than 13 years of age, various poisonous substances and therapeutic drugs were common. Conclusion: There were some clinical differences in acute poisoning patients between age groups. It is necessary to establish a preventive plan considering characteristics by age. Since the KCD-7 code has limitations in analyzing the characteristics of poisoning patients, it is necessary to consider the registration system of poisoning patients.

Epidemiologic Characteristics of Carbon Monoxide Poisoning: Emergency Department Based Injury In-depth Surveillance of Twenty Hospitals: Sohyun Bae, Jisook Lee, Kyunghwan Kim, Junseok Park, Dongwun Shin, Hyunjong Kim, Joonmin Park, Hoon Kim, Woochan Jeon; J Korean Soc Clin Toxicol. 2016;14(2):122-128. Published online December 31, 2016; DOI: https://doi.org/10.22537/jksct.2016.14.2.122

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Purpose: This study was conducted to describe the characteristics of patients with carbon monoxide (CO) poisoning. Methods: We retrospectively surveyed data from the Emergency Department based Injury In-depth Surveillance of 20 hospitals (2011-2014). We included patients whose mechanism of injury was acute CO poisoning caused by inhalation of gases from charcoal or briquettes. We surveyed the annual frequency, gender, age, result of emergency treatment, rate of intensive care unit (ICU) admission, result of admission, association with alcohol, and place of accident. We also surveyed the cause and experience of past suicide attempts by intentional poisoning. Results: A total of 3,405 patients were included (2,015 (59.2%) and 1,390 (40.8%) males and females, respectively) with a mean age of $39.83{pm}18.51$ year old. The results revealed that the annual frequency of CO poisoning had increased and the frequency of unintentional CO poisoning was higher than that of intentional CO poisoning in January, February and December. The mean age of intentional CO poisoning was younger than that of unintentional CO poisoning ($38.41{pm}13.03$ vs $40.95{pm}21.83$) (p<0.001). The rates of discharge against medical advice (DAMA), ICU care and alcohol association for intentional CO poisoning were higher than for unintentional CO poisoning (36.4% vs 14.0%, 17.8% vs 4.7%, 45.2% vs 5.6%) (p<0.001). The most common place of CO poisoning was in one's residence. Conclusion: The annual frequency of total CO poisoning has increased, and unintentional CO poisoning showed seasonal variation. DAMA, ICU care, and alcohol association of intentional CO poisoning were higher than those of unintentional CO poisoning.

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Prevalence of Carbon Monoxide Poisoning and Hyperbaric Oxygen Therapy in Korea: Analysis of National Claims Data in 2010–2019
Eunah Han, Gina Yu, Hye Sun Lee, Goeun Park, Sung Phil Chung
Journal of Korean Medical Science.2023;[Epub] CrossRef

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