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2 "Ru Bi Jeong"
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Case Report
Toxicology
Methemoglobinemia Caused by an Inert Ingredient after Intentional Ingestion of Pesticide
Ru Bi Jeong, Chang Hwan Sohn, Dong Woo Seo, Won Young Kim, Seung Mok Ryoo, Bum Jin Oh, Kyoung Soo Lim
Korean J Crit Care Med. 2014;29(4):341-343.   Published online November 30, 2014
DOI: https://doi.org/10.4266/kjccm.2014.29.4.341
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AbstractAbstract PDF
We report two cases of toxic methemoglobinemia caused by an inert ingredient in pesticide product after intentional ingestion of pesticide. First, 51-year-old male visited to the emergency department (ED) after the ingestion of pesticide in a suicide attempt. Initial methemoglobin (MetHb) level was 25.6%. We did not know the cause of methemoglobinemia at that time. Second, 56-year-old female visited to the ED after the ingestion of the same pesticide in a suicide attempt. MetHb level after 30 minutes was 16.1%. The patients were treated with methylene blue. We contacted to the Korean Rural Development Administration and estimated that magnesium nitrate was more likely to cause methemoglobinemia. This report highlights the importance of considering the possibility of methemoglobinemia caused by inert ingredient in pesticide and early antidotal therapy.
Original Article
Analysis of Prognostic Factors Early in Emergency Department (ED) and Late in Intensive Care Unit (ICU) of the Critically Ill Patients Admitted in the ICU via ED
Ru Bi Jeong, Jung Hwan An, Hyun Min Jun, Sung Min Jeong, Tae Yong Shin, Young Sik Kim, Young Rock Ha
Korean J Crit Care Med. 2012;27(4):237-248.
DOI: https://doi.org/10.4266/kjccm.2012.27.4.237
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  • 18 Download
AbstractAbstract PDF
BACKGROUND
Many critically ill patients in the ED are hospitalized to the ICU, but most prognosis predicting systems have been developed based on the physiochemical variables of the critically ill in the ICU. The objective of this study is to identify prognostic predictors early in the ED when compared with well-known predictors in the ICU and estimate their predictive abilities.
METHODS
An observational prospective study was performed in an urban ED. Information of all the critically ill patients admitted to the ICU via the ED including vital signs, laboratory results, and physiochemical scoring systems were checked during 6 months and divided into the early stage for the ED and the late stage in the ICU. Poor outcome was defined as 28-days mortality. After checking for significant predictors among them through univariate analysis, we identified the most discriminating predictors in each stage using logistic regression and a decision tree analysis.
RESULTS
A total of 246 patients were enrolled. In univariate analysis, the significant predictors including central venous pressure, fraction of inspired oxygen (FiO2), pressure of arterial oxygen/fraction of inspired oxygen (PaO2/FiO2), albumin, mortality in emergency department sepsis, acute physiology and chronic health evaluation II, simplified acute physiology score II, and sequential organ failure assessment scores were identified in the early stage, while PaO2/FiO2, base excess, unmeasured anion, albumin, anion gap, albumin-corrected anion gap, APACHEII, SAPSII, SOFA, and rapid emergency medicine score were identified in the late stage. Through a decision tree analysis, PaO2/FiO2 and SAPSII were revealed as the most discriminating predictors in the ED and ICU, respectively.
CONCLUSIONS
The prognosis discriminating predictor in critical patients was different between the ED and ICU. Emergency physicians should pay more attention to the critical patients having low PaO2/FiO2.

ACC : Acute and Critical Care