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JKSCT : Journal of The Korean Society of Clinical Toxicology


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Hyun Soo Chung 4 Articles
Acute Nicotine Poisoning due to Electronic Cigarette Liquid: Systematic Review of Case Reports
Si Yong Yang, Min Hong Choa, Je Sung You, Hyun Soo Chung, Sung Phil Chung
J Korean Soc Clin Toxicol. 2020;18(2):51-56.   Published online December 31, 2020
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AbstractAbstract PDF
Purpose: Acute nicotine poisoning by liquid nicotine in electronic cigarettes is becoming an increasing problem worldwide. The current systematic review aimed to determine the harm of acute nicotine poisoning by reviewing published case reports. Methods: An online literature search with PubMed, Embase, Cochrane Library, and KoreaMed database was performed to identify relevant studies addressing acute nicotine poisoning with electronic cigarettes. Two investigators searched the case reports written in English or Korean. Results: Twenty-six cases were included in this study. The routes of intoxication included ingestion in 18 cases, intravenous injection in three cases, subcutaneous injection in two cases, and ocular exposure in two cases. Ten cases had a cardiac arrest, and seven of them died. Seven out of 12 cases with intentional poisoning had a cardiac arrest. Nine children under 18 years were reported, and three of them had a cardiac arrest. Sixteen cases without a cardiac arrest recovered well, except for one case with sudden sensorineural hearing loss. Conclusion: The authors reviewed the risks of electronic cigarette liquid in terms of acute poisoning through a systematic review. The nicotine solution of an e-cigarette can be life-threatening in cases of acute poisoning. Therefore, active emergency treatment with early recognition is necessary. In addition, various management methods and regulations for preventing acute nicotine poisoning, such as restriction of distribution and nicotine concentration, should be considered.


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  • Electronic Nicotine, Non-Nicotine Delivery Systems, and Liquid Use by Flavoring and Nicotine Concentrations
    Yeun Soo Yang, Hyeon Jeong Lim, Unchong Kim, Kyoungin Na, Heejin Kimm
    Journal of the Korean Society for Research on Nicotine and Tobacco.2023; 14(3): 101.     CrossRef
Implementing Best Practice in Critically Ill Organophosphate Poisoned Patient Through Simulation-Based Learning Program
Ji Hwan Lee, Sung Phil Chung, Hyun Soo Chung
J Korean Soc Clin Toxicol. 2017;15(1):31-39.   Published online June 30, 2017
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AbstractAbstract PDF
Purpose: Despite the clinical and socio-economic impact of acute poisoned patients, many of the treatments are not standardized in Korea. Moreover, no formal training that is specifically focused on clinical toxicology exists. Rather, training and education are conducted case by case in various institutions. This study was conducted to develop a standardized simulation-based clinical toxicology training curriculum for healthcare providers. This program will focus on specific assessment and treatment of critical toxicology patients, specifically those who have been poisoned with organophosphate. Methods: The study was performed using a pre- and post-design to determine the effects of implementation of this program. The study was conducted at eight different urban teaching hospitals in a simulated room in the clinical area. The study was targeted to 19 groups composed of emergency residents and nurses. Simulation-based learning was conducted for each group. Results: All 19 groups achieved the minimum passing score of 75%. Implementation of the program led to improved performance rates for overall management and cooperative moods competency (p<0.01). Inter-rater agreement between the two evaluators was excellent. In general, the participants thought the program was realistic and were able to recognize and improve the competencies needed to care for organophosphate poisoned patients. Conclusion: Simulation-based learning is an effective educational strategy that can be applied to improving and understanding proper care for rare but critical patients. This program was effective at improving team performance and cooperative moods when managing an organophosphate poisoned patient in the Emergency Department.
The Clinical Characteristics for Emergency Endotracheal Intubation in Acute Drug Intoxication
Eol Han, Hyun Soo Chung, Yoo Seok Park, Je Sung You, Youngseon Joo, Taeyoung Kong, Incheol Park, Sung phil Chung
J Korean Soc Clin Toxicol. 2015;13(1):11-18.   Published online June 30, 2015
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Purpose: The aim of this study was to compare the clinical characteristics in emergency endotracheal intubation between patients with acute drug intoxication and medical disease. Methods: Data for airway registry collected in two emergency departments (ED) between April 2006 and March 2010 were reviewed retrospectively. The airway registry data included patient's demographic information and variables such as Cormack-Lehane grade, 3-3-2 finger analysis, success rate, the number of attempts at intubation, complications of intubation, and clinical outcomes after intubation. Results: A total of 1480 patients were enrolled; 62 patients were classified as belonging to the intubation group after the drug intoxication group. No significant differences in Cormack-Lehane grade, 3-3-2 finger analysis, success rate, the number of attempts at intubation, and complications after intubation were observed between patients with acute drug intoxication and medical disease. However, significant difference was observed for indication of emergency endotracheal intubation. While emergency endotracheal intubations were usually performed in medical patients because of failure of airway patency, they were performed in intoxicated patients with the goal of preventing serious complications. Conclusion: Anatomical structures related to endotracheal intubation, the process and clinical outcome of intoxicated patients are not significantly different from those for medical patients.
A Systematic Review of Injury or Poisoning Related to Mercury Thermometer
Yo Seop Lee, Young Seon Joo, Je Sung You, Sung Phil Chung, Hyun Soo Chung, Hahn Shick Lee
J Korean Soc Clin Toxicol. 2014;12(1):22-30.   Published online June 30, 2014
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Purpose: The purpose of this systematic review was to evaluate the evidence regarding injury and poisoning associated with the clinical mercury thermometer. Methods: Electronic literature searches were conducted for identification of relevant studies and case reports of injury and poisoning associated with the clinical mercury thermometer. The search outcomes were limited to literature with English and Korean languages published from 1966. Studies related to occupational mercury exposure, or mercury exposure from sphygmomanometer, barometer, and fluorescent light were excluded. Results: A total of 60 reports, including 59 case reports, were finally included. Of those, nine cases pertained to an intact thermometer as a foreign body, 25 injuries were related to a thermometer, and 26 cases involved exposures to mercury from a broken thermometer. Case reports were classified according to severity into 16 mild, 41 moderate, and two severe cases. Two cases of mortality were reported, one was deliberate intravenous injection of mercury and the other was acute vapor inhalation of mercury from broken thermometers. Conclusion: Findings of this systematic review suggested that the mercury thermometer could cause various forms of poisoning and injury. In particular, inhalation of mercury vapor from a broken thermometer can lead to systemic toxicity requiring chelating therapy.

JKSCT : Journal of The Korean Society of Clinical Toxicology