- Inflammatory cytokines in patients with pesticide poisoning: a pilot study
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Hyun Joon Kim, Wook-Joon Kim, Dong Wook Lee, Seung-Hyun Jung, Nam-Jun Cho, Samel Park, Eun Young Lee, Hyo-Wook Gil
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J Korean Soc Clin Toxicol. 2022;20(1):15-21. Published online June 30, 2022
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DOI: https://doi.org/10.22537/jksct.2022.20.1.15
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- Purpose: Acute pesticide poisoning is lethal and can lead to death. A few studies about the effects of acute pesticide poisoning have focused on the immune system. In the current study, we preliminarily investigated the changes in blood inflammatory cytokine levels in acute pesticide poisoning patients. Methods: In this study, we prospectively investigated the inflammatory cytokines in patients with acute pesticide poisoning. This study included patients admitted from February 2021 to November 2021 with a diagnosis of intentional poisoning by pesticide ingestion. The inflammatory cytokines measured were IFN-γ, IL-1β, IL-6, and TNF-α. Results: Totally, 27 patients were enrolled in this study. The types of pesticide ingested were glufosinate (n=6), glyphosate (n=8), organophosphate (n=4), pyrethroid (n=2), and others (n=7). The levels of inflammatory cytokines obtained were as follows: IFN-γ 2.78±8.03 pg/ml, IL-1β 2.62±2.03 pg/ml, IL-6 44.58±80.16 pg/ml, and TNF-α 11.80±15.60 pg/ml. The overall mortality rate was 11.1% (3/27), and levels of IL-1β and TNF-α were significantly higher in the death group compared to the survival group. Conclusion: Increased levels of IL-6 and TNF-α were observed in patients with acute pesticide poisoning. IL-1β and TNF-α were significantly higher in the death group as compared to the survival group. Our results indicate the occurrence of an inflammatory response due to the activation of immune cells by pesticide poisoning. Future large-scale studies need to be conducted to investigate the application of inflammatory cytokines as predictors and therapeutic targets.
- Risk Factors to Predict Acute Respiratory Failure in Patients with Acute Pesticide Poisoning
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Nam-Jun Cho, Samel Park, Eun Young Lee, Hyo-Wook Gil
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J Korean Soc Clin Toxicol. 2020;18(2):116-122. Published online December 31, 2020
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DOI: https://doi.org/10.22537/jksct.2020.18.2.116
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- Acute respiratory failure is an important risk factor for mortality in patients with acute pesticide poisoning. Therefore, it is necessary to investigate the risk factors to predict respiratory failure in these patients. This study retrospectively investigated the clinical features of respiratory failure among patients with acute pesticide poisoning requiring mechanical ventilation. This study included patients who were admitted with intentional poisoning by pesticide ingestion from January 2017 to December 2019. Paraquat intoxication was excluded. Among 469 patients with acute pesticide poisoning, 398 patients were enrolled in this study. The respiratory failure rate was 30.4%. The rate of respiratory failure according to the type of pesticide was carbamate (75.0%), organophosphate (52.6%), glufosinate (52.1%), glyphosate (23%), pyrethroid (8.9%), and others (17%). The mortality was 25.6% in the respiratory failure group. The risk factors for respiratory failure were old age, low body mass index, and ingestion of more than 300 mL. In conclusion, respiratory failure is a risk factor for mortality in pesticide poisoning. Old age, low body mass index, and ingestion of more than 300 mL are the risk factors for predicting respiratory failure.
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- 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 - Machine Learning-Based Prediction Models of Acute Respiratory Failure in Patients with Acute Pesticide Poisoning
Yeongmin Kim, Minsu Chae, Namjun Cho, Hyowook Gil, Hwamin Lee Mathematics.2022; 10(24): 4633. CrossRef
- Severe Case of Hypermagnesemia Caused by Ingesting Magnesium Containing Fertilizer
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Ka-young Lee, Jin-young Yu, Nam-Jun Cho, Samel Park, Eun-young Lee, Hyo-Wook Gil
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J Korean Soc Clin Toxicol. 2020;18(2):141-144. Published online December 31, 2020
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DOI: https://doi.org/10.22537/jksct.2020.18.2.141
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- Hypermagnesemia is a rare condition that is usually iatrogenic in patients with elderly or renal failure. Severe hypermagnesemia is uncommon in patients with a normal renal function. Symptoms due to hypermagnesemia can range from mild symptoms, such as nausea, to severe symptoms, such as cardiac and respiratory arrest. This paper describes a case of a 49-year-old woman who ingested a magnesium-containing fertilizer with normal renal function. Cardiac arrest occurred eight hours after poisoning. Electrocardiography changed from a narrow QRS to a wide QRS and then to a complete atrioventricular block. Her hemodynamic state was unstable. Continuous renal replacement therapy was performed to remove magnesium from the blood, with the subsequent resolution of arrhythmia and hemodynamic stabilization. This paper reviews the pathophysiologic effects of magnesium on the cardiovascular system, clinical manifestation, and treatment of hypermagnesemia.
- A Case of Acute Respiratory Failure After Trichloroethylene Inhalation
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Jae-Seok Park, Young-Woo Jeon, Young-Il Kim, Hyo-Wook Gil, Jong-Oh Yang, Eun-Young Lee, Sae-Yong Hong
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J Korean Soc Clin Toxicol. 2011;9(1):30-33. Published online June 30, 2011
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- Trichloroethylene (TCE, $C_2HCl_3$), which was introduced as a gas for general anesthesia and analgesia in early 1900's has been widely used in industry as an organic solvent. Occupational exposure to TCE is an important medical problem. Manifestations of acute exposure to TCE include mucocutaneous irritation, hepatotoxicity, cognitive impairment, sleep, headache, respiratory insufficiency and death. We report a 38-year-old man who was admitted to a department of emergency medicine after occupational inhalation exposure to TCE. He rapidly developed semicoma and respiratory depression. After mechanical ventilation, hypercapnea and hypoxemia disappeared and his mental state again became alert. Careful evaluation and proper respiratory support are important for respiratory failure after occupational TCE inhalation.
- A Fatal Case of Methylene Blue Threatment Failure in Methemoglobinemia
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Ji-Yae Shim, Yun-Seok Seo, Jong-Oh Yang, Eun-Young Lee, Sae-Yong Hong, Hyo-Wook Gil
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J Korean Soc Clin Toxicol. 2006;4(2):151-154. Published online December 31, 2006
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- Acute toxic methemoglobinemia is an infrequent complication of the use of various drugs. Severe methemoglobinemia is very often fatal. Methylene blue is an effective drug in the treatment of methemoglobinemia patients. However, failure to respond to methylene blue has been described in patients with sulfhemoglobinemia, chlorate poisoning, and glucose-6-phosphate dehydrogenase deficiency. It is even possible that hemolysis may occur due to methylene blue treatment itself. We encountered a case of a 71-year-old woman who developed methemoglobinemia caused by alprazolam intoxication. She presented with hemolytic anemia and did not respond to methylene blue. In spite of concerted N-acetylcysteine therapy, the hemolytic anemia became aggravated and the patient died eleven days after intoxication.
- The Effect of Hemoperfusion on Plasma Concentration of Toxins in Acute Pesticide Poisoned Patients
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Hyo-Wook Gil, Jong-Oh Yang, Eun-Yong Lee, Sae-Yong Hong
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J Korean Soc Clin Toxicol. 2006;4(1):1-6. Published online June 30, 2006
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- Purpose: Hemoperfusion is an effective modality of extracorporeal elimination of toxins in acutely poisoned patients. We evaluated the effect of hemoperfusion on plasma concentration of toxins in patients exposed to certain pesticides. Methods: Eleven patients who were acutely exposed to pesticides participated in our study. We measured plasma pesticide concentration from the whole blood obtained by arterial and venous sources by gas chromatography. Results: The plasma concentrations of only 3 patients was measured. Methidation clearance by hemoperfusion was 82.2%, fenitrothion was 23%, and endosulfan was 0% Conclusion: Measurement of plasma organophosphate concentration is not a practical application. Our results suggest that hemoperfusion is applicable in patients with pesticide intoxication according to clinical status.
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