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JKSCT : Journal of The Korean Society of Clinical Toxicology

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Hee Sun Chung 2 Articles
Is it Adequate to Determine Acetaminophen Toxicity Solely on Patients' History? An Analysis on Clinical Manifestation of Intoxication Patients with Positive Serum Acetaminophen Concentrations
Jee Hyun Kim, Won-joon Jeong, Seung Ryu, Yong Chul Cho, Jang Hyuck Moon, Hyun Soo Choi, Song Hee Yang, Hee Sun Chung
J Korean Soc Clin Toxicol. 2017;15(2):94-100.   Published online December 31, 2017
DOI: https://doi.org/10.22537/jksct.2017.15.2.94
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Purpose: Acute acetaminophen intoxication is a common occurrence that can cause lethal complications. In most domestic emergency departments, clinicians tend to treat acetaminophen intoxication based on patients' history alone, simply due to the lack of a rapid acetaminophen laboratory test. We performed a 20-month study of intoxication patients to determine the correlation between the history of patients and serum laboratory tests for acetaminophen. Methods: We took blood samples from 280 intoxication patients to evaluate whether laboratory findings detected traces of acetaminophen in the sample. Patients were then treated according to their history. Laboratory results came out after patients' discharge. Agreement between patients' history and laboratory results were analyzed. Results: Among the 280 intoxicated patients enrolled, 38 patients had positive serum acetaminophen concentrations; 18 out of 38 patients did not represent a history suggesting acetaminophen intoxication. One patient without the history showed toxic serum acetaminophen concentration. Among the patients with the history, two patients with toxic serum acetaminophen concentration did not receive N-acetylcysteine (NAC) treatment due to their low reported doses, while other 2 patients without significant serum acetaminophen concentration did receive NAC treatment due to their high reported doses. Conclusion: This study showed a good overall agreement between history and laboratory test results. However, some cases showed inconsistencies between their history and laboratory test results. Therefore, in treating intoxication patients, a laboratory test of acetaminophen with rapid results should be available in most domestic emergency departments.
Postmortem Blood and Tissue Concentration of Carisoprodol and Meprobamate
Hye Young Choi, Hwa Kyung Choi, Ju Seon Lee, Sang Hee Woo, Han Sun Lee, Yoo Sin Park, Hee Sun Chung
J Korean Soc Clin Toxicol. 2003;1(1):34-39.   Published online June 30, 2003
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Carisoprodol (CSP) is commonly prescribed as a skeletal muscle relaxant. Recently, we encountered 7 suicidal cases in which carisoprodol was detected. We developed a rugged, sensitive, and specific method for the determination of CSP and meprobamate (MPB) by GC and GC/MS. Postmortem blood concentrations of CSP and MPB ranged 22.9-124.4 ,$mu$g/ml and its metabolite, 26.8-144.5 ,$mu$g/ml respectively. Among 7 cases studied, Only CSP was ingested in 4 cases and combination of CSP and dextromethorphan was ingested in 2 cases according to the case history and one case was with ethanol. The order of the tissue concentration of CSP and MPB was liver> kidney > brain, and the concentration of MPB was higher than that of CSP in all tissues. The MPB /CSP concentration ratios of urine, bile juice, liver, kidney, brain and blood were 15.7, 4.0, 1.2, 1.4, 1.4 and 1.0 respectively. There was a big difference in concentration of CSP and MPB in 7 cases due to differences in the amount of dose administered and time to death after dosing.

JKSCT : Journal of The Korean Society of Clinical Toxicology