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비관혈적인 경로로 전파된 유행성 C 형 간염 - C 형 간염 바이러스 Genome의 염기 분석으로 확인된 -
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),문영명(Young Myung Moon),전재윤(Chae Yoon Chon),송시영(Si Young Song),한광협(Kwang Hypb Han),오희철(Hee Chul Oh) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.3
N/A The transmission of hepatitis C virus (HCV) by direct percutaneous exposure to blood is well documented by both epidemiological and experimental studies. Persons commonly considered at increased risk of acquiring HCV include blood and blood product recipients, parenteral drug users and health-care workers. These groups, however, only account for half of the hepatitis C cases reported, and many cases of HCV infection associated with nonparenteral routes have been reported but there have still remained controversy, and the epidemic outbreak of hepatitis C through nonparenteral routes have been reported extrernely rarely in the world. Most of epidemiologic studies of the hepatitis C had been reported before the developement of the various diagnostic tools such as anti-HCV test, detection of HCV RNA using polymerase chain reaction and direct genomic sequencing. These newly developed diagnostic methods may open the new era of the hepatitis C and the remained controvery is expected to be solved in the near future. We report the epidemic outbreak of hepatitis C in 13 cases in Nam-Chang-Lee from April to October in 1989. On epidemiologic studies, no case had identifiable parenteral transmission routes. The monthly incidence shows unimodal and highly comprewed pattern suggesting that this outbreak was transmitted within a short period and through the same transmission route, possibly nonparenter- al route. The diagnosis of the hepatitis C was made by the anti-HCV (positive rate: 81.8%) and the detection of the HCV genome. The genomic sequences of N51 region of the isolated two cases showed 84-96% homology to the Japanese type and 87-98% to the Taiwan type but only 70-71% to the prototype. This study may suggest the evidence of epidemic outbreak of hepatitis C transmitted via nonpar-enteral route. But further epidemiologic characterizations of this epidemic may provide insight into the routes of' HCV transmission and further studies are required to determine the clinical significances of different types of HCV.
큰 특발성 비신단락이 있는 문맥압항진증 환자에서의 비정맥 혈류방향과 혼수와의 관계
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),김원호(Won Ho Kim),이문형(Moon Hyoung Lee),천선희(Seon Hee Cheon),한광협(Kwang Hypb Han),박인서(In Seo Park) 대한소화기학회 1989 대한소화기학회지 Vol.21 No.2
N/A In patients with portal hypertension, the splenorenal shunt is one of the most common portosys- temic collaterals. Spontaneous hepatic encephalopathy frequently occurs in these patients, due to neurotoxic substances that bypass the liver and act on the central nervous system directly. Therefore it is important to assess portal hemodynamics in portal hypertensive patient with porto-systemic shunt. We examined the portal blood flow by the Doppler flowmetry system in 9 patients with liver cirrhosis and 3 patients with hepatocellular carcinoma associated with liver cirrhosis who had large spontaneous splenorenal shunts. Of the 12 subjects, 7 patients had a history of spontaneous hepatic encephalopathy and 5 patients did not. One of the 5 patients with a history of spontaneous hepatic encephalopathy and 4 of the 5 patients without such a history had mild esophageal varices. We could assess the direction of splenic venous flow in 6 patients with a history of spontaneous hepatic encephalopathy and they all showed reversed flow. Only one patient among the 5 patients without such a history showed reversed splenic venous flow. The portal vein diameter was signifi- cant)y smaller in patients with a history of spontaneous hepatic encephalopathy (0.88+0.27 cm) than in patients without this history (1.32+0.08 cm)(p<0.01j. We conc1uded that the direction of splenic venous flow and the diameter of the portal vein in portal hypertensive patients with a large splenorenal shunt may be important factors in the development of spontaneous hepatic encephalopathy.
박용범,문영명,박영년,최병현,박찬일,이수곤,이천균,한광협,황영웅 대한소화기학회 1998 대한소화기학회지 Vol.31 No.6
We describe two patients showing features of primary biliary cirrhosis but negative antimitochondrial antibody. Botn were females. Serum biochemical study showed increase in alkaline phosphatase and gamma glutamyl transpeptidase levels. Markers of hepatitis B and C virus were absent. In both patients, serum anti-mitochondrial antibodies were not detected on immunofluorescence study. Both had high titers of serum antinuclear antibodies. Liver biopsy specimen showed histological features of primary biliary cirrhosis with marked cellular infiiltration of the portal areas and bile duct damage. Intralabular intlammation and piecemeal necrosis were mild. These patients were treated with prednisolone or UDCA and then, showed decrease in serum alkaline phosphatase level. We thought these patients were cornpatible with autoimmune cholangiopathy.