- Related Factors and their Effects on Acute Renal Failure Resulting from Rhabdomyolysis after Pesticide Intoxication
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Chang-Woo Kang, Kyung-Woo Lee, Jin-Hee Jung, Tae-Shin Kang, Dong-Hoon Kim, Sung-Choon Kim, In-Sung Park
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J Korean Soc Clin Toxicol. 2009;7(2):83-89. Published online December 31, 2009
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- Purpose: Rhabdomyolysis is one of the most important complications of pesticide intoxication. It affects a patient's clinical prognosis and can cause acute renal failure. It is important that patients diagnosed with pesticide intoxication receive an accurate initial diagnosis and proper treatment to prevent significant complications. This study's objective was to investigate and confirm related factors causing acute renal failure by verifying clinical observations and laboratory findings collected following pesticide intoxication. Methods: A retrospective analysis was made of 734 patients who presenting to our emergency medical center after ingesting pesticides between January 2006 and December 2008, Of these, 513 patients were selected for the study. Two hundred and twenty-one patients were excluded because of paraquat intoxication, age (if under 18), or chronic renal failure. Seventy-four patients were diagnosed with rhabdomyolysis, based on serum creatinine phosphokinase levels were > 1,000U/L. Acute renal failure was diagnosed when creatinine levels were > 2.0 mg/dL. Results: Among the 74 patients diagnosed with rhabdomyolysis, 26 (35.1%) experienced acute renal failure. The most meaningful related factor in the prediction of acute renal failure was initial arterial pH and creatinine level. Conclusion: Initial arterial pH and creatinine level are predictors of complications such as acute renal failure in patients with rhabdomyolysis.
- A Case of Moderate Paraquat Intoxication with Pulse Therapy in the Subacute Stage of Pulmonary Fibrosis
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Ki-Hun Hong, Jin-Hee Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2008;6(2):130-133. Published online December 31, 2008
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- In South Korea, attempted suicide by paraquat (PQ) intoxication is fairly common, and is lethal by pulmonary fibrosis and hypoxemia. However, the treatment of PQ poisoning is primarily supportive management. To increase the survival rate associated with PQ intoxication, many treatments have been developed. Here, we treated a case of PQ intoxication with steroid pulse therapy. A 23-year-old man was admitted to the hospital because of PQ intoxication. He drank two mouthfuls of Gramoxon (24% commercial paraquat). His vital signs were stable, but he had a throat infection, and navy blue urine in the sodium dithionite test. Standard treatment, including gastric lavage with activated charcoal was performed, and emergent hemoperfusion with a charcoal filter was initiated 11 h after PQ ingestion. Pharmacotherapy was initiated 18 h after PQ ingestion with the administration of 5 mg dexamethasone. On day 10, chest PA showed pulmonary fibrosis. Therefore, we initiated steroid pulse therapy, with 1g methylprednisolone in 100 mL of D5W administered over 1 h repeated daily for 3 days, and 1 g cyclophosphamide in 100 mL of D5W administered over 1 h daily for 2 days. On day 15, dexamethasone therapy was initiated. On day 30, pulmonary fibrosis was improved. Thus, if pulmonary fibrosis becomes exacerbated after dexamethasone therapy during the subacute stage, pulse therapy with methylprednisolone and cyclophosphamide could be helpful.
- Severe Acidosis after Massive Metformin Overdose
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Bo-In Kim, Jin-Hee Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2008;6(1):42-44. Published online June 30, 2008
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- Metformin which is an oral hypoglycemic agents, acts by enhancing insulin sensitivity, decreasing hepatic glucose production and increasing peripheral utilization of glucose. Deliberate self poisoning with oral hypoglycemic agents is rare. The lactic acidosis associated with metformin toxicity is well described in the medical literature. Metformin overdose even in otherwise healthy patients may produce a profound and life threatening lactic acidosis. We report a case of massive metformin ingestion(75g) in a patient presenting with lactic acidosis and hypotension. She died 24h after presenting to our emergency department despite bicarbonate treatment and hemofiltration therapy.
- A Case of a Patient with Stuporous Mentality and Hypotension after Amitraz Ingestion
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Si-Young Jung, Jin-Hee Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2007;5(2):123-125. Published online December 31, 2007
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- Amitraz is a formamidine-derived insecticide and acaricide which is commonly used throughout the world. Amitraz intoxication is mediated through ${alpha}_2$ adrenergic receptor agonist effects, similar to those of the ${alpha}_2$ agonist clonidine. We report a case of a patient who experienced coma and hypotension after amitraz ingestion. A 37-year-old woman visited the ER with symptoms of vomiting and altered mental state. She had ingested a mouthful of liquid amitraz concentrate (12.5%), which rapidly led to vomiting, hypotension, bradycardia, hyperglycemia, and mental stupor. Supportive treatment, including mechanical ventilation and administration of inotropics, resulted in full recovery within four days.
- Ingestion of Hydrofluoric acid: A rapid and fetal poisoning
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Jae-Hee Lee, Jin-Hee Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2007;5(2):135-137. Published online December 31, 2007
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- Hydrofluoric acid is a weak inorganic acid used for etching and as rust removals. Systemic toxicity after oral ingestion induces rapid development of hypocalcemia and hyperkalemia, leading to ventricular fibrillation and finally asystole. We report a case of intentional ingestion of hydrofluoric acid producing an altered mental state at the time of the patient's arrival in the emergency department. The patient died approximately 80 minutes after the exposure with asystol.
- A Case of Acute Poisoning with Dry Ice
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Soon-Young Hwang, Jin-Hee Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2007;5(1):43-45. Published online June 30, 2007
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- Carbon dioxide is the fourth most abundant gas in the earth's atmosphere, and it is widely used in the chemical industry. Solid carbon dioxide is commonly known as dry ice. At low concentration, carbon dioxide appears to have little toxicological effect. At higher concentrations, however, it can produce an increased respiratory rate, tachycardia, cardiac arrhythmia, loss of consciousness, convulsion, and even death. Management of carbon dioxide poisoning requires the immediate removal of an individual from the toxic environment and administration of oxygen. It is important to know the concentration of carbon dioxide to which a patient has been exposed. We report a case of acute poisoning from solid carbon dioxide in a patient presenting with drowsiness and diminished mental capacity when she arrived in the emergency department. She recovered completely after administration of oxygen with conservative treatment.
- Dimethoate Intoxication with Refractory Shock and Hyperglycemia
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Jae-Eun Kim, Jin-Hee Jung, Hyun-A Bae, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2007;5(1):46-49. Published online June 30, 2007
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- Organophosphorus insecticides induce different clinical manifestations varying according to the different side groups attached to the phosphate, their rates of degradation, and their fat solubilities. In consequence of this variation, specific treatments are required for particular organophosphorus insecticides. We report a unusual case of intoxication with dimethyl organophosphorus insecticide in a 26-year-old woman. She manifested atypical and ultimately fatal symptoms including profound shock, refractory hyperglycemia, and hypothermia.
- Different Clinical Outcomes by Subgroups in Organophosphorus Poisoning
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Duk-Hee Lee, Jin-Hee Jung, Koo-Young Jung, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2007;5(1):8-14. Published online June 30, 2007
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- Purpose: Organophosphorus insecticides tend to be regarded as a homogeneous single entity. We aimed to determine whether organophosphate poisoning differs by subgroups in clinical features and severity. Methods: We retrospectively reviewed medical records of all patients with acute organophophorus poisoning from January 1998 to December 2006. We investigated clinical features, Glasgow coma scale (GCS), laboratory findings, QTc intervals, management, and outcomes. Results: A total of 109 patients were included. The dimethoxy group experienced significantly longer times than the diethoxy group for ventilation duration (0.6 day vs. 0.2 day, p=0.006), ICU duration (2.0 day vs. 0.8 day, p=0.037), and total admission duration (2.8 day vs. 0.9 day, p=0.008), except in cases of dichlorvos poisoning. Also, the GCS of the dimethoxy group (except with dichlorvos) was significantly lower than for the diethoxy group (dimethoxy, $11.2{pm}5.2$ vs. diethoxy, $13.8{pm}2.4$, p= 0.021). QTc intervals for the dimethoxy group (except with dichlorvos) tended to be somewhat greater than for the diethoxy group (dimethoxy, $452.9{pm}16.1;msec$ vs. diethoxy, $429.6{pm}40.9;msec$). There were 65 patients with dichlorvos ingestion, and 2 of these patients (3%) died. Conclusion: When compared to the diethoxy group, the dimethoxy group of organophosphates (with the exception of dichlorvos) were associated with poorer prognostic value for indicators such as GCS, QTc interval, requirement for intubation, ICU duration, and total admission duration. Within the dimethoxy group, patients with dichlorvos poisoning had relatively better prognoses than for the other dimethoxy group organophosphates studied.
- A Case of Recurrent Ventricular Tachycardia after Pimozide and Haloperidol Overdose
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Jin-Hee Jung, Hye-Young Jang, Eun-Kyung Eo
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J Korean Soc Clin Toxicol. 2005;3(1):67-70. Published online June 30, 2005
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- Pimozide and haloperidol are typical antipsychotics. They share a similarity in pharmacotherapeutic and adverse effect profiles. Cardiovascular effects may be seen as alterations in heart rate, blood pressure, and cardiac conduction. Conduction disturbances may occur ranging from asymptomatic prolongation of the QT interval to fatal ventricular arrhythmia. So in the case of anti psychotics overdose, the patient must be carefully monitored by continuous electrocardiography (ECG). We experienced a 34-year-old woman of schizophrenia with recurrent ventricular tachycardia after pimozide and haloperidol overdose. Initially she was slightly drowsy, however her ECG showed normal sinus rhythm. After 6 hours on emergency department entrance, her ECG monitoring showed ventricular tachycardia and we successfully defibrillated. There were five times events of ventricular arrhythmia during the in-hospital stay. She was discharged 5 days later without any other complications.
- Is it Meaningful to Use the Serum Cholinesterase Level as a Predictive Value in Acute Organophosphate Poisoning?
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Sang-Jin Lee, Jin-Hee Jung, Koo-Young Jung
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J Korean Soc Clin Toxicol. 2004;2(2):72-76. Published online December 31, 2004
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- Purpose: Dealing patients with organophosphate poisoning, cholinesterase level has been used as a diagnostic and prognostic value. But there are some controversies that the cholinesterase level is significantly related to the severity or prognosis of acute organophosphate poisoning. We evaluated the correlation between initial serum level of cholinesterase and APACHE II score as an index for severity, and we assessed cholinesterase levels for predicting value of weaning from mechanical ventilation. Method: From August 1996 to March 2003, 23 patients with organophosphate poisoning who needed ventilatory care were enrolled. Retrospective review was done for the serum level of cholinesterase, APACHE II score, and the duration of ventilatory care. The percentage of measured serum cholinesterase to median normal value was used to standardize cholinesterase levels from different laboratories. Result: There were tendencies that the lower initial serum of cholinesterase, the higher the APACHE II score (r=0.297) and the longer the duration of mechanical ventilation (r=-0.204), but they were not significant (p=0.264 and p=0.351 respectively). In 9 patients whose serum cholinesterase level were checked at the time of weaning, mean of measured cholinesterase level was $10.3pm7.60\%$ of normal value. Conclusion: There was no significant relationship between initial level of serum cholinesterase and severity or duration of mechanical ventilation. General health status of patient, amount of ingestion, toxicity of agent should be considered as important factors for severity of poisoning. And the decision of weaning should be based not solely on the cholinesterase level but on the consideration of general and respiratory state of individual patients.
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KSCT
Korean Society of Clinical Toxicology