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KMID : 0385920230340020115
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Journal of the Korean Society of Emergency Medicine
2023 Volume.34 No. 2 p.115 ~ p.120
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The efficacy of lactate point-of-care test in the emergency department for triage of pesticide poisoning patients with stable vital signs and alert mental status
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Kim Dae-Dan
Shin Tae-Yong
Moon Hyung-Jun
Lee Hyun-Jung
Jeong Dong-Kil
Kim Hyun-Joon
Lee Dong-Wook
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Abstract
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Objective: Pesticide poisoning is one of the leading causes of death, and it is important to classify high-risk patients.
Lactate measurement could be used to assess the triage level and decide and prioritize treatment even within the same triage group. This study investigates whether point-of-care lactate measurement helps to triage pesticide poisoning patients in the emergency department (ED).
Methods: This retrospective study was done for pesticide poisoning patients between January 2018 to December 2021.
Demographic data and laboratory results were collected by reviewing medical records. Statistical analysis was performed by dividing patients into death and survival groups. Univariable and multivariable logistic regression analyses were done.
Receiver operating characteristic curves were obtained for variables with significant differences, and area under the curves (AUC) were calculated and compared.
Results: Among the 288 patients evaluated, there were 24 (8.33%) mortalities and 264 (91.67%) survivals during hospitalization.
Age, the Acute Physiology and Chronic Health Evaluation II (APACHE-II) score, pH and base excess, and lactate levels were analyzed via univariable and multivariable logistic regression tests. We found that old age and high lactate were independent factors in predicting mortality for pesticide poisoning patients. AUCs with 95% confidence interval for age and lactate were 0.784 (0.653-0.915) and 0.803 (0.674-0.932), respectively.
Conclusion: Lactate measurement may be useful during triage of alert and consciousness patients presenting with pesticide poisoning and having stable vital signs in ED. This study has several limitations, and it is necessary to reconfirm the results through a well-designed prospective study.
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KEYWORD
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Pesticides, Lactic acid, Triage
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