Journal of The Korean Society of Clinical Toxicology

Original Article

Utility of the APACHE II score as a neurological prognostic factor for glufosinate-intoxicated patients with alert mental status: Rok Lee, Tae Yong Shin, Hyung Jun Moon, Hyun Jung Lee, Dongkil Jeong, Dongwook Lee, Sun In Hong, Hyun Joon Kim; J Korean Soc Clin Toxicol. 2023;21(2):135-142. Published online December 29, 2023; DOI: https://doi.org/10.22537/jksct.2023.00018

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Abstract PDF: Purpose: In patients with glufosinate poisoning, severe neurological symptoms may be closely related to a poor prognosis, but their appearance may be delayed. Therefore, this study aimed to determine whether the Acute Physiology and Chronic Health Evaluation II (APACHE II) score could predict the neurological prognosis in patients with glufosinate poisoning who present to the emergency room with alert mental status.
Methods
This study was conducted retrospectively through a chart review for patients over 18 years who presented to a single emergency medical center from January 2018 to December 2022 due to glufosinate poisoning. Patients were divided into groups with a good neurological prognosis (Cerebral Performance Category [CPC] Scale 1 or 2) and a poor prognosis (CPC Scale 3, 4, or 5) to identify whether any variables showed significant differences between the two groups.
Results
There were 66 patients (67.3%) with good neurological prognoses and 32 (32.8%) with poor prognoses. In the multivariate logistic analysis, the APACHE II score, serum amylase, and co-ingestion of alcohol showed significant results, with odds ratios of 1.387 (95% confidence interval [CI], 1.027–1.844), 1.017 (95% CI, 1.002–1.032), and 0.196 (95% CI, 0.040–0.948), respectively. With an APACHE II score cutoff of 6.5, the AUC was 0.826 (95% CI, 0.746–0.912). The cutoff of serum amylase was 75.5 U/L, with an AUC was 0.761 (95% CI, 0.652–0.844), and the AUC of no co-ingestion with alcohol was 0.629 (95% CI, 0.527–0.722).
Conclusion
The APACHE II score could be a useful indicator for predicting the neurological prognosis of patients with glufosinate poisoning who have alert mental status.

Utility of the APACHE II Score as a Neurologic Prognostic Factor for Glufosinate Intoxicated Patients: Dae Han Yoo, Jung Won Lee, Jae Hyung Choi, Dong Kil Jeong, Dong Wook Lee, Young Joo Lee, Young Shin Cho, Joon Bum Park, Hae Jin Chung, Hyung Jun Moon; J Korean Soc Clin Toxicol. 2016;14(2):107-114. Published online December 31, 2016; DOI: https://doi.org/10.22537/jksct.2016.14.2.107

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Purpose: The incidence of glufosinate poisoning is gradually increasing, and it can be fatal if severe poisoning occurs. However, factors useful for predicting the post-discharge neurological prognosis of patients who have ingested glufosinate have yet to be identified. Our objective was to evaluate the utility of the acute physiology and chronic health evaluation (APACHE) II score measured in the emergency department for predicting the neurological prognosis. Methods: From April 2012 to August 2014, we conducted a retrospective study of patients who had ingested glufosinate. The outcome of the patients at discharge was defined by the Cerebral Performance Category Score (CPC). The patients were divided into a good prognosis group (CPC 1, 2) and a poor prognosis group (CPC 3, 4, 5), after which the APACHE II scores were compared. The Hosmer-Lemeshow test and the area under the receiver operating characteristic (ROC) curve from patients determined calibration and discrimination. Results: A total of 76 patients were enrolled (good prognosis group: 67 vs poor prognosis group: 9). The cut-off value for the APACHE II score was 12 and the area under the curve value was 0.891. The Hosmer and Lemeshow C statistic x2 was 7.414 (p=0.387), indicating good calibration for APACHE II. Conclusion: The APACHE II score is useful at predicting the neurological prognosis of patients who have ingested glufosinate.

Citations

Citations to this article as recorded by

Association between continuous renal replacement therapy and mortality after acute herbicide (glyphosate and/or glufosinate) intoxication: propensity score matching approach
Seung Woo Lee, Won-joon Jeong, Seung Ryu, Yongchul Cho, Yeonho You, Jung Soo Park, Changshin Kang, Hong Joon Ahn, So Young Jeon, Jinwoong Lee
Journal of The Korean Society of Clinical Toxicology.2023; 21(1): 17. CrossRef
Utility of the APACHE II score as a neurological prognostic factor for glufosinate-intoxicated patients with alert mental status
Rok Lee, Tae Yong Shin, Hyung Jun Moon, Hyun Jung Lee, Dongkil Jeong, Dongwook Lee, Sun In Hong, Hyun Joon Kim
Journal of The Korean Society of Clinical Toxicology.2023; 21(2): 135. CrossRef

The Factors that Predict Using Mechanical Ventilation for Patients with Organophosphate Intoxication: Dong-Chan Park, Jung-Bae Park, Yun-Jeong Kim, Soo-Jeong Shin, You-Ho Mun, Sin-Ryul Park, Hyun-Wook Ryoo, Kang-Suk Seo, Jae-Myung Chung; J Korean Soc Clin Toxicol. 2010;8(2):106-112. Published online December 31, 2010

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Abstract PDF: Purpose: The purpose of this study is to investigate the factors that predict using mechanical ventilation for patients with organophosphate intoxication. Methods: We retrospectively reviewed the medical records of 111 patients with acute organophosphate intoxication and who were treated in our emergency center from January 2000 to December 2008. We compared the toxicologic characteristics, the laboratory findings and the APACHE II scores between the Mechanical Ventilation group (MV group) and the non-Mechanical Ventilation group (the non MV group). Results: Sixty three patients were in the MV group and 48 patients were in the non MV group. In the MV group, the patients had an older age (p<0.001), a larger amount of ingestion (p<0.001), a lower initial serum cholinesterase level (p=0.003), a higher APACHE II score (p<0.001) and they ingested a more toxic agent (p=0.001). There were no significant differences in gender, the type of visit and the arrival time between the MV group and the non MV group. Conclusion: We suggest that the patient's age, the amount of organophosphate ingestion, the toxicity of the agent, the initial serum cholinesterase level and the APACHE II score are important factors to determine if mechanical ventilation will be applied for patients with organophosphate intoxication.

Clinical Characteristics of Patients with Acute Organophosphate Poisoning Requiring Prolonged Mechanical Ventilation: Hwang-Jin Shin, Mi-Jin Lee, Kyu-Nam Park, Joon-Seok Park, Seong-Soo Park; J Korean Soc Clin Toxicol. 2008;6(1):32-36. Published online June 30, 2008

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Abstract PDF: Purpose: The major complication of acute organophosphate (OP) poisoning is respiratory failure as a result of cholinergic toxicity. Many clinicians find it difficult to predict the optimal time to initiate mechanical ventilation (MV) weaning, and as a result have tended to provide a prolonged ventilator support period. The purpose of this study is to determine any clinical predictors based on patients characteristics and laboratory findings to assist in the optimal timing of mechanical ventilator weaning. Methods: We reviewed medical and intensive care records of 44 patients with acute OP poisoning who required mechanical ventilation admitted to medical intensive care unit between July 1998 and June 2007. Patient information regarding the poisoning, clinical data and demographic features, APACHE II score, laboratory data, and serial cholinesterase (chE) levels were collected. Base on the time period of MV, the patients were divided into two groups: early group (wean time < 7 days, n = 28) and delayed group (${geq}$ 7 days, n = 16). Patients were assessed for any clinical characteristics and predictors associated with the MV weaning period. Results: During the study period, 44 patients were enrolled in this study. We obtained the sensitivity and specificity values of predictors in the late weaning group. APACHE II score and a reciprocal convert of hypoxic index but specificity (83.8%) is only APACHE II score. Also, the chE concentration (rho = -0.517, p = 0.026) and APACHE II score (rho = 0.827, p < 0.001) correlated with a longer mechanical ventilation duration. Conclusion: In patients with acute OP poisoning who required mechanical ventilation, the APACHE II scoring system on a point scale of less than 17 and decrements in cholinesterase levels on 1-3 days were good predictors of delayed MV weaning.

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