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양종오,길효욱,이은영,홍세용,Yang Jong Oh,Gil Hyo Wook,Lee Eun Young,Hong Sae Yong 대한임상독성학회 2004 대한임상독성학회지 Vol.2 No.2
Purpose: Paraquat is the most commonly used herbicide in Korea. Exposure to paraquat through the skin has resulted in local irritation or inflammation of varying degree, sometimes severe. The purpose of this study was to review the patients with paraquat poisoning by skin absorption. Methods: We analysed retrospectively the clinical and laboratory findings of 45 patients with paraquat poisoning after dermal exposure, who were admitted to Soonchunhyang University Cheonan Hospital from January 1999 to December 2003. Results: Among 870 cases of paraquat poisoning, 45 cases were exposed to paraquat through the skin. The peak incidence was the fifth decade($40\%$). The clinical symptoms were pain, pruritus, nausea, and vomiting. The major skin lesions were generalized vesicobullae and necrotic erosion in face, scrotum, trunk, upper and lower extremities and etc. All patients were survived after skin contact or inhalation of paraquat. Conclusion: This study illustrates the extreme toxicity of paraquat and demonstrates that lethal quantities of paraquat may be absorbed if repeated exposure to it. Stricter precautions, including the mandatory use of protective clothing, should be recommended whenever this material is used.
만성 신질환에서 혈중납량 및 골중납량과 신기능 저하의 관련성
양종오 ( Jong Oh Yang ),김남수 ( Nam Soo Kim ),이은영 ( Eun Young Lee ),홍세용 ( Sae Yong Hong ),( Andrew C. Todd ),이병국 ( Byung Kook Lee ) 대한신장학회 2011 Kidney Research and Clinical Practice Vol.30 No.6
Purpose: This study assessed the environmental lead exposure in patients with chronic kidney disease (CKD) and the relationship between lead exposure and renal function indices. Methods: Seventy-one patients with CKD and 40 control subjects without known renal disease were included. Blood lead was measured by atomic absorption spectrophotometry and tibial lead was measured via 109Cd-based K-shell X-ray fluorescence. Blood urea nitrogen (BUN), serum creatinine, urine creatinine and urine N-acetyl-beta glucosaminidase (NAG) were also measured. Blood lead was corrected with hematocrit (female: 35%, male: 42%) to adjust for differences in anemic status of patients compared with control subjects. Results: The mean level of hematocrit-adjusted blood lead was significantly higher in patients with CKD (4.18±1.74 μg/dL) compared with that in control subjects (3.00±0.92 μg/dL); the mean tibial lead level tended to be higher in patients with CKD (3.38±9.93 μg/g) than that in control subjects (1.28±7.92 μg/ g), but no statistical significance was observed. In a multivariate regression analysis after adjusting for gender, age, and drinking and smoking status, adjusted blood lead was a significant predictor of increases in BUN and serum creatinine, but not of the level of urine NAG or creatinine. In contrast, no significant association between tibial lead and renal indices was observed in the multivariate regression analysis. Conclusion: These results suggest that environmental lead exposure may compromise renal function.
원인 불명의 급성 신부전으로 발현된 급성 파라콰트중독 1례
길효욱,양종오,이은영,홍세용,Gil Hyo Wook,Yang Jong Oh,Lee Eun Young,Hong Sae Yong 대한임상독성학회 2004 대한임상독성학회지 Vol.2 No.1
Paraquat, a widely used herbicide, is extremely toxic, causing multiple organ failure in human. Many treatment modality has been used, but now paraquat is very fatal drug. Elimination rate of plasma paraquat seems to be a factor for the survival rate. So early diagnosis and early treatment are very important. Plasma paraquat concentration could be measured by radioimmunoassay. But it is impossible that the test was done at Emergency room and the result was checked immediately. There was relation between plasma paraquat concentrations and urine paraquat concentration. Because of its simplicity and low cost, urine paraquat concentration test is complementary to the plasma concentration measurement. If the patient has psychotic problem or unconscious mental state, and is observed unexplained dyspnea and oral ulcer, urine paraquat test is very important to rule out acute paraquat intoxication. We experienced a patient who was presented as unexplained acute renal failure initially and was diagnosed as paraquat intoxication later.
살충제 중독환자에서 혈액관류가 혈중 살충제 농도에 미치는 영향
길효욱,양종오,이은영,홍세용,Gil Hyo-Wook,Yang Jong-Oh,Lee Eun-Yong,Hong Sae-Yong 대한임상독성학회 2006 대한임상독성학회지 Vol.4 No.1
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.
길효욱,양종오,이은영,홍세용,GiI Hyo Wook,Yang Jong Oh,Lee Eun Young,Hong Sae Yong 대한임상독성학회 2005 대한임상독성학회지 Vol.3 No.2
Paraqaut, a widely used herbicide, is extremely toxic, causing multiple organ failure in human. Most of paraquat intoxications happen through oral administration. But there is no clinical data for parenteral paraquat intoxication. A 35-year-old male injected paraquat solution on his forearm. He visited emergency room within 10 minutes and was treated with tourniquet, incision, washing and suction. After eight days, the patient was discharged without respiratory symptoms and complications. In treatment of parenteral paraquat intoxication, first aid was very important and the treatment should include tourniquet, incision, washing and suction in order to delay absorptions.
심지예,서연석,양종오,이은영,홍세용,길효욱,Shim, Ji-Yae,Seo, Yun-Seok,Yang, Jong-Oh,Lee, Eun-Young,Hong, Sae-Yong,Gil, Hyo-Wook 대한임상독성학회 2006 대한임상독성학회지 Vol.4 No.2
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.
지속성 외래 복막 투석환자에서 발생한 급성 담낭염을 동반한 담즙성 복막염
황순오 ( Soon Oh Hwang ),김수지 ( Soo Ji Kim ),강문수 ( Moon Su Kang ),길효욱 ( Hyo Wook Gil ),양종오 ( Jong Oh Yang ),이은영 ( Eun Young Lee ),홍세용 ( Sae Yong Hong ) 대한신장학회 2008 Kidney Research and Clinical Practice Vol.27 No.2
Peritonitis is the most common complication of CAPD (continuous ambulatory peritoneal dialysis). Major cause of peritonitis is bacterial infection by septic manipulation and catheter exit infection. In patients with CAPD, bile peritonitis by acute cholecystitis is rare. A 80-year-old female patient who had been treated with CAPD for 18 months visited our hospital for abdominal pain and change of dialysate color. These symptoms suggested peritonitis. Although we administered intraperitoneal antibiotics, abdominal pain did not subside. Therefore, we checked abdomen computerized tomography. CT findings showed gall bladder stone with distension, wall thickening and pericholecystic fluid collection. Acute cholecystitis with microperforation was suspected. She underwent percutaneous transhepatic gall bladder drainage and systemic antibiotics therapy. After conservative treatment, abdominal pain was subsided and peritoneal fluid came out clear. The patient was discharged and maintained on CAPD When CAPD patients visit hospital due to abdominal pain and dialysate color change (dark brown color or greenish color), physicians should consider bile peritonitis and early treatment.
혈액관류요법에 의하여 성공적으로 치료한 중증 clozapine 중독 1예
김화종 ( Hwa Jong Kim ),김수지 ( Su Ji Kim ),이관현 ( Kwan Hyun Lee ),길효욱 ( Hyo Wook Gil ),양종오 ( Jong Oh Yang ),이은영 ( Eun Young Lee ),홍세용 ( Sae Yong Hong ) 대한신장학회 2009 Kidney Research and Clinical Practice Vol.28 No.6
Clozapine, a psychotropic drug commonly used in the treatment of schizophrenia or schizophrenic affective disorders may show side effects such as agranulocytosis, cardiomyositis, cognitive and motor depression in therapeutic doses and central nervous system depression, respiratory depression, arrhythmia, seizures, and even death in case of severe intoxication, warranting an aggressive treatment. We hereby report a case of clozapine overdose patient who ingested a potentially fatal dose of 3 grams and showed stuporous mental state, who was treated successfully by hemoperfusion without any sequelae.
홍세용,길효욱,양종오,이은영,Hong Sae Yong,Gil Hyo Wook,Yang Jong Oh,Lee Eun Young 대한임상독성학회 2005 대한임상독성학회지 Vol.3 No.1
Purfose: This study was to observe the phosphamidon reduction rate after haemoperfusion (HP) and Hemodialysis (HD) in vitro. Methods: We started off by measuring the clearance of HD and HP for the phosphamidon in vitro. Phosphamidon was measured hourly by High-pressure liquid chromatography. Results: Phosphamidon clearance was effectiveness in HP and HD. Phosphamidon reduction rate was no difference between HD and HP; $64\%$ versus $91.\%1$ at starting, $82.2\%$ versus $80.2\%$ at 1 hours, $82.2\%$ versus $73.8\%$ at 2 hours, $34.4\%$ versus $14.0\%$ at 3 hours, $14.1\%$ versus $27.4\%$ at 4 hours, $0\%$ versus $3.3\%$ at 5 hours. Conculsion: Extracorporeal elimination of phosphamidon is effective by hemoperfusio and hemodialysis in vitro. We suggest hemoperfusion may be effective in organophsphate intoxication patients.
김수지 ( Su Ji Kim ),황순오 ( Soon Oh Hwang ),강문수 ( Moon Su Kang ),길효욱 ( Hyo Wook Gil ),양종오 ( Jong Oh Yang ),이은영 ( Eun Young Lee ),홍세용 ( Sae Yong Hong ) 대한신장학회 2008 Kidney Research and Clinical Practice Vol.27 No.3
Acute renal infarction is an uncommon disease that is often misdiagnosed initially because of its nonspecific presentation. Cardiovascular disease is the major cause of thromboembolic event, but renal infarction can also occur in patient with special conditions such as hypercoagulable states. Protein S deficiency is a rare cause of the hypercoagulable states and induces both venous and arterial thrombosis. Protein S are a vitamin K dependent plasma protein that serves as a cofactor for the anticoagulant effects of activated protein C. Patients deficient in protein S is prone to recurrent thromboembolic disease. We reported a case of acute renal infarction that was associated with type II protein S deficiency in a 38-year old patient without underlying cardiovascular disease.