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위점막에서 Helicobacter pylori 분포의 내시경적 진단
주영은(Young Eun Joo),김신묵(Sin Mook Kim),김태두(Tae Du Kim),신동현(Dong Hyun Sin),성종호(Jong Ho Seong),안영주(Young Joo Ahn),정용환(Yong Hwan Jeong),양대현(Dae Hyun Yang),유종선(Chong Sun Rew),윤종만(Chong Mann Yoon) 대한내과학회 1994 대한내과학회지 Vol.46 No.1
N/A Background: Since the successful isolation of Helicobacter pylori from the human gastric mucosa by Warren and Mashall, biosy studies have shown that this organism is closely related to chronic gastritis and peptic ulcer. However the distribution of this organism has been proved to be uneven and patchy on the gastric mucosa. The aim of this paper is to assess the distribution of this organism on human gastric mucosa in vivo by endoscopy. Method: To control the gastric pH around 4.0 to 6.0, premedication by the intravenous injection of ranitidine 50mg one hour before the endoscopy, was performed. And thereafter, 0.1% phenol red solution containing 0.5M urea was sprayed onto the mucosal surface of the stomach through the endoscope. A red color change was observed in a few seconds after spraying the phenol red solution. The red color change pattern was classified into three types: diffuse, regional and patchy type. Two biopsies were taken from the red color changed area and the unstained area for hitological and bacteriological study. Results: l) In 26 out of 33patients with chronic gastritis, the red color change was observed after spraying the phenol red solution. The diffuse, regional and patchy type in chronic gastritis patients were observed in 17, 5, 4 patients respectively. In peptic ulcer group, the diffuse type was observed in 6 and the regional and patchy type were observed in 3, 1 patients. 2) The bacteriological and histological identification of Helicobacter pylori was observed in 17 of 26patients (65.4%) With Chronic gastritis and 7 Of 10patiCIltS (70%) with peptic ulcer in the biopsy materials taken from the gastric mucosa showing a red color change with phenol red solution. But the organism was not found in the unchanged and unstained mucosa except for one case of chronic gastritis. Conclusion: These results suggest that this endoscopic spraying technique may be useful to determining the distribution of Helicobacter pylori in human gastric mucosa.
만성간염 환자의 혈청에서 중합효소연쇄반응을 이용한 HBV DNA 및 HCV RNA 검출소견
박용욱(Yong Uk Park),서강석(Kang Suk Suh),한상우(Sang Woo Han),김신묵(Sin Mook Kim),최성규(Sung Kyu Choi),서순팔(Soon Pal Suh),김세종(Sei Jong Kim) 대한내과학회 1996 대한내과학회지 Vol.50 No.5
N/A Objectives: It is well-known that chronic hepatitis can be caused by hepatitis viral infection, drugs and toxins, inborn errors of metabolism, and autoimmume disease. Hepatitis B (with or without superimposed hepatitis D) and hepatitis C viral infections are known as the common causes of chronic viral hepatitis. Recently there have been several reports that chronic hepatitis and chronic liver disease can be caused by the superinfection or co-infection of HBV and HCV. We detected HBV DNA and HCV RNA in patients with chronic hepatitis using polymerase chain reaction and compared polymerase chain reaction with enzyme immunoassay in evaluating the presence of a superinfection or co-infection of HBV and HCV. Methods : Using sera from 61patients with histologically proven chronic hepatitis (chronic active hepatitis' 51cases, chronic persistent hepatitis: 10cases), we checked the HBV DNA and HCV RNA using polymerase chain reaction. We also checked the HBV and HCV markers using enzyme immunoassay. Results: 1) Only HBV DNA could be detected in 37patients (60.7%). HBV DNA and HCV RNA were detected in 11patients (18%). Only HCV RNA was dectected in 4patients (6.6%). Neither HBV DNA nor HCV RNA was found in 9patients (14.8%). 2) HBV DNA and HCV RNA were detected in 11patients (18%) whereas HBsAg or anti-HBe and anti-HCV were seropositive in 4patients (6.5%). 3) The positive rates of HBsAg and HBV DNA were 83.6% and 78.7%, respectively, and the positive rates of HBV DNA in HBsAg-positive cases and in HBeAg-positive cases were 90.2% and 93.0%, respectively. 4) The positive rates of anti-HCV and HCV RNA were 11.5% and 24.6%, respectively, and the positive rates of HCV RNA in anti-HCV positive cases and in anti-HCV negative eases were 85.7% and 14.8%, respectively. Conclusion: It has been suggested that hepatitis B viral infection is the most common cause of chronic hepatitis in Korea, and that hepatitis C virus might also play an etiological role. In this study, we found that 18% of chronic hepatitis patients were superinfected or co-infected with HHV and HCV, and that polymerase chain reaction was more sensitive than enzyme immunoassay to detect HBV and HCV infection when superinfection or Qo-infection was suspected.
한국 성인에서 C 형 간염바이러스 항체 양성율에 관한 고찰
한상우(Sang Woo Han),박용욱(Yong Uk Park),김신묵(Sin Mook Kim),신동현(Dong Hyun Shin),서순팔(Soon Pal Suh),양동욱(Dong Wook Ryang),김세종(Sei Jong Kim) 대한내과학회 1994 대한내과학회지 Vol.47 No.6
N/A Objectives : HCV, which is well known major cause of posttransfusion hepatitis, is single strand RNA virus. ELISA to anti-HCV was developed in 1989 and has been used widely after that. There were a lot of studies about positivity of anti-HCV which supposed the prevalence of HCV in Korea. Subjects of previous studies were restricted in healthy blood donor or patients with liver diseases. It was hard to evaluate the prevalence of HCV in whole population. We studied the positivity of anti-HCV in Korean adults, Methods : We studied the positivity of anti-HCV (by EIA method) and the relationship with HBsAg, ALT or age in 1,D13 Korean adults. Results : 1) The positivity of anti-HCV was 0.9% (9 of 1013). 2) There was no difference in the positivity of anti-HCV by the sex: 0.9% in male (6/695) and female (3/318). But it increased with age: 0.4% in 3rd decade, 0.6% in 4th decade, 0.8% in 5th decade, and 2.5% in 6th decade. 3) Of 9 anti-HCV positive cases, serum ALT level was up to 40 U/L in 8 cases, but serum ALT was 65 U/L in one case. 4) The positivity of HBsAg was 59 (51 of 1,013), but HBsAg was negative in 9 anti-HCV positive cases. Conclusion : The positivity of anti-HCV in Korean adults was regarded to be lower than l% and it in- creased with age.