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한국인의 위궤양 및 십이지장궤양 환자에서 Helicobacter pylori 감염 빈도
장명국(Myoung Kuk Jang),김학양(Hak Yang Kim),조병동(Byung Dong Cho),장웅기(Woong Ki Jang),김동준(Dong Jun Kim),김용범(Yong Bum Kim),박충기(Choong Kee Park),신형식(Hyung Sik Shin),유재영(Jae Young You) 대한내과학회 1997 대한내과학회지 Vol.52 No.4
Objectives: Peptic ulcer is the major condition that affect numerous individuals every year. In 1983, Warren and Marshall presented the evidence that H. pylori was associated with gastritis and peptic ulcer. Thereafter, K. pylori infection is thought to be a important factor in the pathogenesis of gastric and duodenal ulcer. In western studies, about 58% to 100% of patients with peptic ulcer disease were infected with H. pylori. But in Korea, there is no study about the prevalence of H. pylori infection in peptic ulcer disease despite of its high prevalence and importance. The aim of this study was to investigate the prevalence of H. pylori infection in case of gastric and duodenal ulcer disease in Korea. Methods - We surveyed the prevalence of H. pylori infection of 1031 patients, who were diagnosed as gastric or duodenal ulcer by gastrofiberoscopy. H. pylori infection was evaluated with Rapid Urease Test(CLO test) and/or histology by Wright-Giemsa staining. Results: 1) Peptic ulcer was more frequently developed in males than females, as the frequency of peptic ulcer was 77% in males, and 23% in females. But in view of the prevalence of H. pylori infection, there was no significant difference between males and females, 73% in males and 71% in females. 2) Gastric ulcer was most common in sixth decade(29.8%), but the prevalence of H. pylori infection was peak in fourth(76%), and fifth decade (73%). 3) Duodenal ulcer was most common in fourth decade(26.3%), but the prevalence of H. pylori infection was peak in teenagers(93%) and third decade(87%). 4) The patients who had both gastric ulcer and duodenal ulcer concurrently were most common in sixth decade(27.9%), but the prevalence of H, pylori infection was peak in third decade(100%). Conclusion: We concluded that the majority of peptic ulcer patients in Korea had H. pylori infection. Particularly, young aged patients had higher H. pylori infection rate than old aged.
최근 3년간 강원도 초·중·고등학생의 HBsAg 양성률 변화에 관한 연구
장명국(Jang Myoung Kuk),이자영(Ja Young Lee),이진헌(Jin Heon Lee),김용범(Yong Bum Kim),김학양(Hak Yang Kim),유재영(Jae Young Yoo) 대한내과학회 2000 대한내과학회지 Vol.58 No.6
Background : Since 1983, vaccination for Hepatitis B virus(HBV) has been recommended for all neonates in Korea. Therefore, significant change of HBsAg positive rate is expected. The objective of this study is to investigate HBsAg positive rate of grade, junior high, and high schoolers in Kangwon Province.Methods : From 1997 to 1999, total 120,220 subjects, who were born in 1981 to 1992, were enrolled in this study. HBsAg and anti-HBs were tested by reversed passive hemagglutination and passive hemagglutination, respectively. If their results had been vague, we perfomed enzyme-linked immunosorbent assay for confirmation. Results : HBsAg positive rate of entire study group was 2.5%(3,045 out of 120,220). Those of schoolboys and schoolgirls were 2.6%(1,567 out of 60,076), 2.5%(1,478 out of 60,144), respectively. Significant statistical difference was not observed in comparison of HBsAg positive rate according to sex(p=0.09). HBsAg positive rate of grade schoolers was 1.4%(676 out of 48,871), which was significantly lower than that of junior high(3.2%, 557 out of 17,577) and high-schoolers(3.4%, 1,812 out of 53,772)(p<0.01). From 1997 to 1999, HBsAg positive rate has significantly decreased from 2.8%(1,434 out of 50,434) to 1.9%(407 out of 20,991)(p<0.01). HBeAg positive rate of HBsAg positive subjects was 62.9%(1,000 out of 1,590). Conclusion : HBsAg positive rate of grade-schoolers in Kangwon province Korea, tended to be lower than that of junior high, or high-schoolers, and is also thought to be lower than that of the past, which was caused by nationwide vaccination programme.(Korean J Med 58:608-615, 2000)
이자영(Ja Young Lee),장명국(Myoung Kuk Jang),김동규(Dong Kyu Kim),모은경(Eun Kyung Mo),최정은(Jeong Eun Choi),박명재(Myung Jae Park),이명구(Myung Goo Lee),현인규(In Gyu Hyun),정기석(Ki Suck Jung) 대한내과학회 1998 대한내과학회지 Vol.55 No.2
Rifampin, when given in usual doses, is well tolerated with less than 4% of patients having significant adverse reactions. The patient had did not have any adverse reaction to rifampin in the first place. After 10 years, however, the patient was presented with hypotension, shortness of breath, wheezing and deterioration of consciousness in 10 minutes after taking rifampin. All abnormal symptoms and signs of anaphylaxis were normalized in 24 hours after administration of normal saline, glucocorticosteroid, and antihistamine. Skin prick test with rifampin showed positive reaction to gradual concentration of rifampin in dose dependent manner. The wheals by rifampin developed in 30 minutes and maximized in 2 hours, while normal saline and histamine controls showed expected negative and positive response in 10 minutes, respectively. Recently we expererienced a rare case of anaphylaxis after single oral administration of rifampin(450mg), who had been treated with antituberculous drug including rifampin, ca 10 years ago.
폐렴의 진단에서 정량적 기관지폐포 세척액 배양의 유용성
한태호(Tae Ho Hahn),장명국(Myoung Kuk Jang),김성균(Seong Gyun Kim),이자영(Ja Young Lee),이재명(Jae Myung Lee),김동규(Dong Kyu Kim),최정은(Jeong Eun Choi),모은경(Eun Kyung Mo),박명재(Myung Jae Park),이명구(Myung Goo Lee),현인규(In Gyu 대한내과학회 1998 대한내과학회지 Vol.54 No.6
Background: The aim of this study is to evaluate the usefulness of quantitative culture of bronchoalveolar lavage (BAL) fluid for the diagnosis of bacterial pneumonia and identification of causative agents. Methods: Study group consisted of 30 epiaodes in 28 patients, enrolled from January 1995 through June 1996. Inclusion criteria were 1) presence of respiratory symptoms such as cough, sputum or dyspnea 2) increased peripheral blood leukocyte count (≥11,000/mm³) 3) Fever (≥38.3ºC) 4) purulent sputum 5) new or progressive infiltrate on chest radiography. For the diagnosis of pneumonia and its causative agents, sputum smear and culture, blood culture and BAL fluid studies were performed. BAL fluid studies included differential count of white blood cell, BAL fluid smear and culture, detection of elastin fibers and presence of intracellular organisms (ICO). Quantitative culture of BAL fluid was considered positive if colony forming units was more than 1.0×10(4)/ml. Positive criteria for ICO was presence of microorganism in more than five per 100 of phagocytes, Result: Recruited were 22 males and 6 females. The mean age was 57.5±13.5 years (range 25-84), Of 30 episodes underwent BAL fluid studies, 19 cases were diagnosed to be bacterial pneumonia, S. aureus (7 cases) was the most common causative agent and was followed by P. aeruginosa (4), E. cloacae (2), A baumanii (1), H. influenzae (1) and a-hemolytic Streptococcus (1). Sensitivity of quantitative culture of BAL fluid for the diagnosis of bacterial pneumonia was 68.4% and its specificity was 63.6%. Elastin fibers were detected in 5 cases (31%) and ICO over 5% in 3 cases (15.7%). When criteria of quantitative culture of BAL fluid, detection of ICO and elastin fibers were applied together, diagnostic rate of pneumonia was 84.2% (16/19). Conclusion: Quantitative culture of BAL fluid was sensive and specific compared to sputum and b1ood culture for the diagnosis of bacterial pneumonia, It was suggested that detection of ICO and elastic fibers in BAL fluid could raise the diagnostic rate of bacterial pneumonia.