Journal of The Korean Society of Clinical Toxicology

Original Article

Predicting serum acetaminophen concentrations in acute poisoning for safe termination of N-acetylcysteine in a resource-limited environment: Dahae Kim, Kyungman Cha, Byung Hak So; J Korean Soc Clin Toxicol. 2023;21(2):128-134. Published online December 29, 2023; DOI: https://doi.org/10.22537/jksct.2023.00013

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Abstract PDF: Purpose: The Prescott nomogram has been utilized to forecast hepatotoxicity from acute acetaminophen poisoning. In developing countries, emergency medical centers lack the resources to report acetaminophen concentrations; thus, the commencement and cessation of treatment are based on the reported dose. This study investigated risk factors that can predict acetaminophen detection after 15 hours for safe treatment termination.
Methods
Data were collected from an urban emergency medical center from 2010 to 2020. The study included patients ≥14 years of age with acute acetaminophen poisoning within 15 hours. The correlation between risk factors and detection of acetaminophen 15 hours after ingestion was evaluated using logistic regression, and the area under the curve (AUC) was calculated.
Results
In total, 181 patients were included in the primary analysis; the median dose was 150.9 mg/kg and 35 patients (19.3%) had acetaminophen detected 15 hours after ingestion. The dose per weight and the time to visit were significant predictors for acetaminophen detection after 15 hours (odds ratio, 1.020 and 1.030, respectively). The AUCs were 0.628 for a 135 mg/kg cut-off value and 0.658 for a cut-off 450 minutes, and that of the combined model was 0.714 (sensitivity: 45.7%, specificity: 91.8%).
Conclusion
Where acetaminophen concentrations are not reported during treatment following the UK guidelines, it is safe to start N-acetylcysteine immediately for patients who are ≥14 years old, visit within 15 hours after acute poisoning, and report having ingested ≥135 mg/kg. Additional N-acetylcysteine doses should be considered for patients visiting after 8 hours.

Up-to-date treatment of acetaminophen poisoning: Phil Chung Sung, Moon Jeongmi, Chun Byeongjo; J Korean Soc Clin Toxicol. 2022;20(2):39-44. Published online December 31, 2022; DOI: https://doi.org/10.22537/jksct.2022.20.2.39

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Abstract PDF: N-Acetylcysteine (NAC) is the standard antidote treatment for preventing hepatotoxicity caused by acetaminophen (AAP) poisoning. This review summarizes the recent evidence for the treatment of AAP poisoning. Several alternative intravenous regimens of NAC have been suggested to improve patient safety by reducing adverse drug reactions and medication errors. A two-bag NAC infusion regimen (200 mg/kg over 4 h, followed by 100 mg/kg over 16 h) is reported to have similar efficacy with significantly reduced adverse reactions compared to the traditional 3-bag regimen. Massive AAP poisoning due to high concentrations (more than 300-lines in the nomogram) needs to be managed with an increased maintenance dose of NAC. In addition to NAC, the combination therapy of hemodialysis and fomepizole is advocated for severe AAP poisoning cases. In the case of a patient presenting with an altered mental status, metabolic acidosis, elevated lactate, and an AAP concentration greater than 900 mg/L, hemodialysis is recommended even if NAC is used. Fomepizole decreases the generation of toxic metabolites by inhibiting CYP2E1 and may be considered an off-label use by experienced clinicians. Since the nomogram cannot be applied to sustained-release AAP formulations, all potentially toxic sustained-release AAP overdoses should receive a full course of NAC regimen. In case of ingesting less than the toxic dose, the AAP concentration is tested twice at an interval of 4 h or more; NAC should be administered if either value is above the 150-line of the nomogram.

Laboratory analysis of acute acetaminophen overdose patients in Emergency Medical Centers: including analysis of one toxicological laboratory data: In Chan Kim, Sinae Won, Arum Lee, Haeun Jung, Jeongsun Lee, Bum Jin Oh; J Korean Soc Clin Toxicol. 2021;19(1):31-37. Published online June 30, 2021; DOI: https://doi.org/10.22537/jksct.2021.19.1.31

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Abstract PDF: Purpose: Acetaminophen (APAP) is a widely available drug responsible for a large part of drug-induced hepatotoxicity in developed countries. Although acetaminophen overdose cases in Korea are being continuously reported, there are no reports related to the level of this drug in the patient's blood or of laboratory analysis at emergency departments (ED). This study sought to analyze the acetaminophen overdose cases at a toxicological laboratory and to survey APAP analysis services offered at select EDs. Methods: We analyzed the demographic and analytic data at a toxicological laboratory run by the National Emergency Medical Center (NMC) in 2019-2020. We surveyed the APAP laboratory service in the 38 regional emergency medical centers (EMCs) and 68 local EMCs near the toxicological laboratory. Results: We studied 175 acute poisoning cases (112 women) with positive blood APAP results (mean age 47.0±24.1 years). Suicide attempts comprised 40.0% of the cases and 30.3% APAP overdose events. In the univariate analysis, we observed that patients were significantly younger, with fewer underlying medical diseases. There were a higher number of APAP overdose events, more favorable initial mental status, more toxic quantity intake in the above treatment line group (p<0.05), In multivariate analysis, the toxic amount intake was significantly more frequent in the above treatment line group (p<0.01). Hospital APAP analysis services were available in six EMCs (3/38 regional and 3/68 local). The hospital blood APAP level reporting intervals were shorter than outside-hospital laboratory services (p<0.01, regional 7.0±3.0 vs. 40.6±27.5, local 5.3±3.1 vs. 57.9±45.1 hours). The NMC toxicological laboratory reporting interval was shorter than the other outside-hospital laboratories (p<0.01, regional 5.7±0.6 vs. 50.2±22.7 local 7.5±3.0 vs. 70.5±41.5 hours). Conclusion: Over the treatment line group, toxic amount intake was significantly more frequent. Only six of 106 EMCs have their own APAP analysis service in their hospitals.

The Protective Effect of Green Tea Extract on Alpha-amanitin Induced Hepatotoxicity: Su Hwan An, Kyung Hoon Sun, Ran Hong, Byoung Rai Lee, Yongjin Park; J Korean Soc Clin Toxicol. 2019;17(2):58-65. Published online December 31, 2019; DOI: https://doi.org/10.22537/jksct.2019.17.2.58

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Abstract PDF

Purpose: Alpha-amanitin induces potent oxidative stress and apoptosis, and may play a significant role in the pathogenesis of hepatotoxicity. This study examined the mechanisms of α-amanitin-induced apoptosis in vitro, and whether green tea extract (GTE) offers protection against hepatic damage caused by α-amanitin (AMA) induced apoptosis in vivo. Methods: The effects of GTE and SIL on the cell viability of cultured murine hepatocytes induced by AMA were evaluated using an MTT assay. Apoptosis was assessed by an analysis of DNA fragmentation and caspase-3. In the in vivo protocol, mice were divided into the following four groups: control group (0.9% saline injection), AMA group (α-amanitin 0.6 mg/kg), AMA+SIL group (α-amanitin and silibinin 50 mg/kg), and AMA+GTE group (α-amanitin and green tea extract 25 mg/kg). After 48 hours of treatment, the hepatic aminotransferase and the extent of hepatonecrosis of each subject was evaluated. Results: In the hepatocytes exposed to AMA and the tested antidotes, the cell viability was significantly lower than the AMA only group. An analysis of DNA fragmentation showed distinctive cleavage of hepatocyte nuclear DNA in the cells exposed to AMA. In addition, the AMA and GTE or SIL groups showed more relief of the cleavage of the nuclear DNA ladder. Similarly, values of caspase-3 in the AMA+GTE and AMA+SIL groups were significantly lower than in the AMA group. The serum AST and ALT levels were significantly higher in the AMA group than in the control and significantly lower in the AMA+GTE group. In addition, AMA+GTE induced a significant decrease in hepatonecrosis compared to the controls when a histologic grading scale was used. Conclusion: GTE is effective against AMA-induced hepatotoxicity with its apoptosis regulatory properties under in vitro and in vivo conditions.

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Effects of herbal and mushroom formulations used in Traditional Chinese Medicine on in vitro human cancer cell lines at the preclinical level: An empirical review of the cell killing mechanisms
Qiulan Wu, Tingting Dai, Jie Song, Xiaorong Liu, Shaomin Song, Lili Li, Jingbing Liu, Arivalagan Pugazhendhi, Joe Antony Jacob
Process Biochemistry.2020; 94: 136. CrossRef

Evaluation of Cut-off Values in Acute Acetaminophen Intoxication Following the Revised Guideline of the United Kingdom: Sung Jin Park, Kyungman Cha, Byung Hak So, Hyung Min Kim, Won Jung Jeoung; J Korean Soc Clin Toxicol. 2018;16(2):68-74. Published online December 31, 2018; DOI: https://doi.org/10.22537/jksct.2018.16.2.68

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Abstract PDF: Purpose: In 2012, a revised guideline for acute acetaminophen overdose was proposed in the UK, recommending that the treatment threshold should be lowered to 100 mcg/ml at 4 hours after ingestion without risk stratification of hepatotoxicity. However, the poison centers in some developing countries do not have laboratory resources to provide serum drug levels in time. The primary aim of the study is to evaluate the cut-off value of reported dose per kilogram to determine when N-acetylcysteine treatment is warranted under the revised guideline. Methods: Data were collected retrospectively from the toxicology registry of an urban emergency medical center between 1st January 2010 and 30th June 2017. Inclusion criteria were single acute overdose of more than 75 mg/kg in 15 hours from ingestion and over 14 years of age. Subgroups were created by 25 mg/kg increments of reported dose, then sensitivity, specificity, positive predictive value and negative predictive value were calculated for the cut-off values of 100 mg/kg, 125 mg/kg, 150 mg/kg and 175 mg/kg for toxic serum level over '100-treatment line'. Results: A total of 99 patients were enrolled in the study; 24 patients showed toxic serum levels (24.2%). Zero of 17 patients with an ingestion dose under 100 mg/kg showed toxic level (0%), and 0 of 15 under 125 mg/kg (0%), 2 of 14 under 150 mg/kg (14.3%), and 4 of 12 under 175 mg/kg (33.3%) had toxic levels. The higher the ingested dose per kilogram of weight, the higher the frequency of the toxic serum concentration on the first test (${chi}^2$ test for trend, ${chi}^2=22.66$, p-value<0.001) and the sensitivity of each value was 100%, 100%, 92% and 76%. Conclusion: In acute single acetaminophen intoxication, the ingestion dose of 100 mg/kg of weight will be useful in determining the need for the N-acetylcysteine antidote in the indigent laboratory environment.

Usefulness of Predictors for Hepatotoxicity in Acetaminophen Poisoning Patient: Eun Young Kim, Sung Phil Chung, Dong Ryul Ko, Tae Young Kong, Je Sung You, Min Hong Choa, Min Joung Kim; J Korean Soc Clin Toxicol. 2018;16(2):149-156. Published online December 31, 2018; DOI: https://doi.org/10.22537/jksct.2018.16.2.149

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Abstract PDF: Purpose: The purpose of this study was to determine whether hepatotoxicity could be predicted early using biochemical markers in patients with acetaminophen (AAP) poisoning and to assess the usefulness of predictive factors for acute liver injury or hepatotoxicity. Methods: This study was a retrospective observational study involving a medical records review. The participants were patients who were admitted to the emergency department (ED) with AAP overdose at two hospitals over a 10-year period. Demographic data, age, time from ingestion to visit, initial AAP level, initial hepatic aminotransferases, and initial prothrombin time were recorded. Acute liver injury was defined as a peak serum ALT >50 U/L or double the admission value, and hepatotoxicity was defined as a peak ALT >1,000 U/L. Receiver operating characteristic curve analyses were performed to compare the prognostic performance among variables. Results: A total of 97 patients were admitted to the ED with AAP overdose, of whom 26 had acute liver injury and 6 had hepatotoxicity. Acute liver injury was associated with the time interval after taking the drug, and hepatotoxicity was associated with the initial PT and the ALT level. The scoring system proposed by the authors has a significant ability to predict both acute liver injury and hepatotoxicity. Conclusion: To predict the prognosis of AAP poisoning patients, the time interval after taking AAP was important, and initial prothrombin time and ALT level were useful tests. Also a scoring system combining variables may be useful.

The Effect of Glehnia Littoralis on Alpha-amanitin Induced Hepatotoxicity in a Murine Model: Chang Yeon Ryu, Kyung Hoon Sun, Ran Hong, Yongjin Park; J Korean Soc Clin Toxicol. 2018;16(2):108-115. Published online December 31, 2018; DOI: https://doi.org/10.22537/jksct.2018.16.2.108

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Abstract PDF: Purpose: Glehnia littoralis has been reported to have several pharmacological properties but no in vivo reports describing the protective effects of this plant on${alpha}$-amanitin-induced hepatotoxicity have been published. ${alpha}$-Amanitin is a peptide found in several mushroom species that accounts for the majority of severe mushroom poisonings leading to severe hepatonecrosis. In our previous in vitro study, we found that ${alpha}$-amanitin induced oxidative stress, which may contribute to its severe hepatotoxicity. The aim of this study was to investigate whether Glehnia littoralis acetate extract (GLEA) has protective antioxidant effects on ${alpha}$-amanitin-induced hepatotoxicity in a murine model. Methods: Swiss mice (n=40 in all groups) were divided into four groups (n=10/group). Three hours after giving ${alpha}$-amanitin (0.6 mg/kg, i.p.) to the mice, they were administered silibinin (50 mg/kg/d, i.p.) or Glehnia littoralis ethyl acetate extract (100 mg/kg/d, oral) therapies once a day for 3 days. After 72 hours of treatment, each subject was killed, cardiac blood was aspirated for hepatic aminotransferase measurement, and liver specimens were harvested to evaluate the extent of hepatonecrosis. The degree of hepatonecrosis was assessed by a pathologist blinded to the treatment group and divided into 4 categories according to the grade of hepatonecrosis. Results: GLEA significantly improved the beneficial functional parameters in ${alpha}$-amanitin-induced hepatotoxicity. In the histopathological evaluation, the toxicity that was generated with ${alpha}$-amanitin was significantly reduced by GLEA, showing a possible hepatoprotective effect. Conclusion: In this murine model, Glehnia littoralis was effective in limiting hepatic injury after ${alpha}$-amanitin poisoning. Increases of aminotransferases and degrees of hepatonecrosis were attenuated by this antidotal therapy.

In vitro Protective Effects of Glehnia Littoralis on Alpha-amanitin Induced Hepatotoxicity: Bo Hyun Kim, Kyung Hoon Sun, Sun Pyo Kim, Yongjin Park; J Korean Soc Clin Toxicol. 2017;15(2):107-115. Published online December 31, 2017; DOI: https://doi.org/10.22537/jksct.2017.15.2.107

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Abstract PDF: Purpose: Glehnia littoralis has been used to treat ischemic stroke, phlegm, cough, systemic paralysis, antipyretics and neuralgia. The pharmacological mechanisms of Glehnia littoralis include calcium channel block, coumarin derivatives, anticoagulation, anti-convulsive effect, as well as anti-oxidant and anti-inflammatory effects. Alpha-amanitin (${alpha}$-amanitin) is a major toxin from extremely poisonous Amanita fungi. Oxidative stress, which may contribute to severe hepatotoxicity was induced by ${alpha}$-amanitin. The aim of this study was to investigate whether Glehnia littoralis ethyl acetate extract (GLEA) has the protective antioxidant effects on ${alpha}$-amanitin -induced hepatotoxicity. Methods: Human hepatoma cell line HepG2 cells were pretreated in the presence or absence of GLEA (50, 100 and $200{mu}g/ml$) for 4 hours, then exposed to $60{mu}mol/L$ of${alpha}$-amanitin for an additional 4 hours. Cell viability was evaluated using the MTT method. AST, ALT, and LDH production in a culture medium and intracellular MDA, GSH, and SOD levels were determined. Results: GLEA (50, 100 and $200{mu}g/ml$) significantly increased the relative cell viability by 7.11, 9.87, and 14.39%, respectively, and reduced the level of ALT by 10.39%, 34.27%, and 52.14%, AST by 9.89%, 15.16%, and 32.84%, as well as LDH by 15.86%, 22.98%, and 24.32% in culture medium, respectively. GLEA could also remarkably decrease the level of MDA and increase the content of GSH and SOD in the HepG2 cells. Conclusion: In the in vitro model, Glehnia littoralis was effective in limiting hepatic injury after ${alpha}$-amanitin poisoning. Its antioxidant effect is attenuated by antidotal therapy.

Oral vs. Intravenous Administration of N-acetylcysteine in the Acetaminophen Poisoning: Hyo Ju Chae, Nu Ga Rhee, Hyun Jong Kim, Je Sung You, Sung Phil Chung, Hahn Shick Lee; J Korean Soc Clin Toxicol. 2012;10(2):97-102. Published online December 31, 2012

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Abstract PDF: Purpose: Serious acetaminophen (AAP) poisoning causes hepatotoxicity. N-acetylcysteine (NAC) is the most effective therapy for AAP poisoning and can be administered orally and intravenously (IV). Several studies have compared the efficacy of these two routes of administration and the results have been controversial. The purpose of this study was to compare the efficacy of oral and IV NAC for the prevention of hepatic toxicity in Korean patients whose serum AAP levels were higher than normal. Methods: A retrospective before/after study was performed, in which the patients presented to the emergency department with an AAP overdose from February 1995 to March 2012. A 3-day oral NAC regimen was used in the beginning, and a 20-hr intravenous regimen was then used from 2007. This study assessed the complications of an AAP overdose, such as hepatotoxicity, hepatic failure and renal failure as well as the side effects of the treatment regimen. Results: A total of 41patients was enrolled in this study. The median ALT and AST were 63 (IU/L) and 57 (IU/L) for the oral NAC treated patients, and 14 (IU/L) and 20 (IU/L) for the IV NAC treated patients (p=0.004 and p=0.001, respectively). The incidence of complications was similar in the treatment groups (p=0.399). Among the patients, 7 patients developed hepatotoxicity and were treated successfully with oral or IV NAC. Conclusion: This study suggests that IV NAC and oral NAC can prevent and successfully treat hepatic toxicity in patients whose serum AAP levels are higher than normal.

Extended Blood Drug Concentrations in Extended Release Formulated Acetaminophen Overdose Patients: Jin-Ho Bum, Nu-Ga Rhee, Min-Joung Kim, Jung-Suk Park, Hyun-Jong Kim, Sung-Pil Chung, Hahn-Shick Lee; J Korean Soc Clin Toxicol. 2011;9(2):71-76. Published online December 31, 2011

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Abstract PDF: Purpose: The Rumack-Matthew nomogram cannot be applied in managing overdose by extended release (ER) preparation acetaminophen (AAP). This study analyzed the clinical characteristics of ER preparation AAP overdose in order to develop a treatment recommendation. Methods: We retrospectively reviewed the medical records of patients presented to the emergency department as a result of AAP overdose from Jan 2008 to Dec 2010. Only those patients who ingested an ER preparation of AAP were included in the study. Their blood AAP concentrations were measured at 4 and 8 hours after ingestion. Clinical variables related to AAP intoxication were analyzed. Results: Of the total 108 AAP overdose patients identified during the 3-year period, 20 suffered specifically with ER preparation AAP overdose. The mean estimated ingestion amount was 167.5 mg/kg. Treatments including gastric lavage, activated charcoal, and N-acetyl cysteine (NAC) were performed on 10, 14, and 11 patients, respectively. Hepatotoxicity was diagnosed in only one patient who was then successfully treated with NAC. In another case, blood AAP concentration continued to increase until at least 11-hours after ingestion. Conclusion: This study suggested that blood AAP concentrations associated with ingestion of ER formulations of AAP, may increase in an extended manner. Therefore, multiple sampling and longer periods between samples assessing AAP blood concentration may be required for incidences of extended release overdose.

A Case of Acute Respiratory Failure After Trichloroethylene Inhalation: Jae-Seok Park, Young-Woo Jeon, Young-Il Kim, Hyo-Wook Gil, Jong-Oh Yang, Eun-Young Lee, Sae-Yong Hong; J Korean Soc Clin Toxicol. 2011;9(1):30-33. Published online June 30, 2011

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Abstract PDF: 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.

Liver Transplantation for Acute Toxic Hepatitis due to Herbal Medicines and Preparations: Chang-Hwan Sohn, Myung-Il Cha, Bum-Jin Oh, Woon-Hyung Yeo, Jae-Ho Lee, Won Kim, Kyoung-Soo Lim; J Korean Soc Clin Toxicol. 2008;6(2):110-116. Published online December 31, 2008

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Abstract PDF: Purpose: Acute toxic hepatitis is a common cause of acute liver failure (ALF). We investigated the causes, clinical manifestation, and outcomes of ALF patients who underwent liver transplantation due to acute toxic hepatitis caused by herbal medicines and preparations. Methods: Between January 1992 and May 2008, we retrospectively reviewed the medical records of 24 patients who were transplanted due to acute toxic hepatitis caused by herbal medicines and preparations. We applied the RUCAM score to patients with acute toxic hepatitis and assessed the relationship between herbal preparations and liver injury. We studied the patients' medication history, liver function tests, and clinical outcomes. Results: The type of liver injury was divided into three groups: hepatocellular type, 14 patients (58.3%); cholestatic type, 4 patients (16.7%); and mixed type, 6 patients (25%). Polygonum multiflorum Thunberg (3 cases) was the most common cause of acute toxic hepatitis, followed by Acanthopanax senticosus (2 cases), pumpkin juice (2 cases), Dictamnus dasycarpus Turcz (2 cases), Hovenia dulcis (1 case), Phellinus linteus (1 case), and Artemisia capillaries (1 case). One year survival after liver transplantation was 76%. Conclusion: We identified the herbal preparations leading to acute liver failure. Many patients consider herbal remedies to be completely free of unwanted side effects. However, we found that many herbal products have biological activities that can lead to severe hepatotoxicity.

Acetaminophen Poisoning: Sung-Pil Chung, Seung-Ho Kim, Hahn-Shick Lee; J Korean Soc Clin Toxicol. 2008;6(1):1-8. Published online June 30, 2008

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Abstract PDF: Acetaminophen (AAP) overdose can result in potentially serious hepatotoxicity. The ingested dose and time from ingestion to presentation are important prognostic factors. Toxic dose in adult is thought to be at least 10 g or 200 mg/kg. However, early management of acute overdose should be guided by the plasma AAP concentration. The antidote for AAP poisoning is N-acetylcysteine (NAC). It provides complete protection against hepatotoxicity if given within 8 h of acute overdose. If the concentration is above the possible toxicity line as predicted by the Rumack-Matthew nomogram, either the 72-hr oral or the 20-hr intravenous NAC regimen should be administered. NAC is also effective if started late in patients with established hepatic failure. This article summarizes the current consensus of clinical assessment and management for acute AAP overdose.

Severe Liver Toxicity Caused by Amatoxin (Case Series): Joo-Hyun Suh, Sung-Jin Kim, Young-Kuk Chung, Woong-Gil Choi, Young-Se Kwon, Hyung-Keun Roh; J Korean Soc Clin Toxicol. 2006;4(1):73-77. Published online June 30, 2006

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Abstract PDF: Poisoning with mushroom containing amatoxin may be a real medical emergency and is characterized by long incubation time lag, gastrointestinal symptoms, hepatotoxic phase and sometimes death. We report a family of parents and two children who ingested wild mushroom and recovered from varying degrees of hepatotoxicity. After eating cooked wild mushroom and its soup, they all developed abdominal pain, vomiting and diarrhea 11 hours later, Their liver enzymes reached peak level between 48 and 72 hours after the ingestion. Among the family members, 5-year-old girl showed the most severe hepatic toxicity of AST/ALT 14,099/13,176 IU/L. They were all treated with supportive measures including repeated activated charcoal and penicillin G and recovered from the hepatotoxicity between 7 and 28 days after the ingestion. Being based on the shape and a typical course of the amatoxin poisoning, we presume that this wild mushroom belongs to Amanita virosa.

Diagnostic Radioopacity in Chloroform Ingestion -A Case Report-: Sung Woo Lee, Sung Hyuk Choi, Yun Sik Hong, Su Jin Kim, Sung Woo Moon, Jun Dong Moon, Sang Hyun Jung, Jong Su Park; J Korean Soc Clin Toxicol. 2005;3(1):48-51. Published online June 30, 2005

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Abstract PDF: Diagostic imaging can help in management of toxicologic emergencies. We report a patient who presented to the emergency department with coma and suppressed respiration after ingestion of unknown substance. We documented chloroform with radiopaque material in bowel on abdominal radiograph. We used activated charcoal and laxative to decontaminate bowel. Hepatotoxicity occurred on 3rd admission day and elevation of liver enzyme reached peak level on 5th admission day. The patient received hemoperfusion, N-acetylsystein and supportive cares. The patient was improved from hepatic dysfunction and discharged without complication on 11th admission day. Radiograph in toxicology may confirm a diagnosis and assist in therapeutic intervention.

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