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이준혁(Joon Hyoek Lee),백승운(Seung Woon Paik),심상군(Sang Goon Shim),류광현(Kwang Hyun Ryu),이풍렬(Poong Lyul Rhee),김재준(Jae Jun Kim),이종철(Jong Chul Rhee),최규완(Kyoo Wan Choi),이석호(Suk Ho Lee),이규택(Kyu Taek Lee),이종균(Jong 대한내과학회 1999 대한내과학회지 Vol.57 No.1
Low-grade gastric MALT lymphoma arises from long-standing Helicobacter pylori(Hp) infection. High remission rates for these lymphoma have been observed after H. pylori eradication. There was debates on the optimal treatment of low-grade gastric MALT lymphoma. The purpose of this study is to investigate clinical and endoscopic characteristics of primary low-grade gastric MALT lymphoma and to assess short-term clinical outcome of various modalities of treatment. Methods : 30 patients(14 male, 16 female, mean age 44.9 years, range 26-76, mean follow-up 22.9 months) with primary low-grade gastric MALT lymphoma, diagnosed at the Samsung Medical Center from March 1995 to September 1998, were evaluated in a retrospective study. We evaluated patient's presenting symptoms, endoscopic finding, Hp status, staging by Musshoff system, and recurrence rate according to treatment mordalities. Results : The most common symptom is epigastric discomfort or pain(36.7%). Endoscopic appearances of gastric MALT lymphoma shows the wide variation from mucosal thickening to overt malignancy. The most common site of gastric MALT lymphoma is the gastric antrum and lower body(9 and 6 patients). Histologically, 70% were found to be Hp infected. Of 21 Hp(+) patients, 11 patients were clinical stage IE and received Hp eradication by PPI-based triple regimens. 81.8%(9/11) showed complete remission. Among 11 patients, 6 patients studied by PCR. After Hp eradication, 5 in 6 patients showed persistent IgH rearangement by PCR. The mean follow-up time is 22.8 months(range 3 to 36 months), One patient, who showed complete histologic regression during second endoscopy, relapsed MALT lymphoma after 6 months. The other one patient showed no change of lymphoma and underwent surgery. 12 patients underwent surgical treatment and showed no evidence of relapse. The mean follow-up time is 35.9 months. 2 patients received chemotherapy with CHOP regimen and showed complete remission. The mean follow-up time is 6.7 months. 2 patients received radiotherapy and showed no evidence of relapse. The mean follow-up time is 15 months. Conclusion ' Our study shows that complete remission rate after Hp eradication is as high as some studies recently reported. This suggest that Hp eradication may be considered as first-line therapy of low-grade gastric MALT lymphoma of stage IE.
이준혁(Joon Hyoek Lee),고광철(Kwang Cheol Koh),백승운(Seung Woon Paik),심상군(Sang Goon Shim),류광현(Kwang Hyun Ryu),이풍렬(Poong Lyul Rhee),김재준(Jae Jun Kim),이종철(Jong Chul Rhee),최규완(Kyoo Wan Choi),이석호(Suk Ho Lee),이규택(K 대한내과학회 1999 대한내과학회지 Vol.56 No.1
Objectives : The purpose of present study is to investigate the influence of a spinal gamma-aminobutyric acid B (GABAB) receptor on a central regulation of blood pressure(BP) and heart rate(HR), and to define its mechanism in the spinal cord. Methods : In urethane-anesthetized, d-tubocurarine- paralyzed and artificially ventilated male Sprague-Dawley rats, intrathecal administration of drugs were carried out using injecton cannula(33-gauge stainless steel) through the guide cannula(PE 10) which was inserted intrathecally at lower thoracic level through the puncture of a atlantooccipital membrane. Results : Intrathecal injection of an GABAB receptor agonist baclofen(30, 60, 100 nmol) decreased both blood pressure and heart rate dose-dependently. Pretreatment with 8-bromo-cAMP(50 nmol), a cAMP analog or glipizide(50 nmol), a ATP-sensitive K+ channel blocker attenuated the depressor and bradycardic effects of baclofen (100 nmol) but not with 8-bromo-cGMP(50 nmol) a cGMP analog. Conclusions : The GABAB receptor in the spinal cord plays an inhibitory role in central cardiovascular regulation and that this depressor and bradycardic actions are mediated by the decrease of cAMP via the inhibition of adenylate cyclase and the opening of K+ channel.
한국인 건강검진자에서 연령 특이적 A형간염바이러스 항체 혈청 양성률
송영봉 ( Young Bong Song ),이준혁 ( Joon Hyoek Lee ),최문석 ( Moon Seok Choi ),고광철 ( Kwang Cheol Koh ),백승운 ( Seung Woon Paik ),유병철 ( Byung Chul Yoo ),최윤호 ( Yoon Ho Choi ),손희정 ( Hee Jung Sohn ),이경한 ( Kyung Han 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.1
이규택 ( Kyu Taek Lee ),이종균 ( Jong Kyun Lee ),이준혁 ( Joon Hyoek Lee ),이풍렬 ( Poong Lyul Rhee ),김재준 ( Jae Jun Kim ),고광철 ( Kwang Cheol Koh ),백승운 ( Seung Woon Paik ),이종철 ( Jong Chul Rhee ),노재형 ( Jae Hyung Noh 대한소화기학회 1997 대한소화기학회지 Vol.29 No.6
A biliary enteric fistula may form between any part of the extrahepatic biliary system and any adjacent portion of the gastrointestinal tract. The incidence of biliary enteric fistulas varies between 0.9 and 5% of all cases of biliary disease. These fistulas are usually sequelae or complications of long standing calcareous biliary tract disease. The diagnosis is to be suspected whenever air is demonstrated within the biliary system on roentgenographic examination and may be confirmed by additional measures. The most common site of a biliary enteric fistula is between the gallbladder and the duodenum, and next common types of fistulas are cholecystocolic and choledochoduodenal. Cholecystocholedochocolic fistula is a very rare type of internal biliary fistulas. Recently, we encountered a case who suffered from hepatic abscess by ascending infection due to pre-existing gallstones combined with cholecystocholedochocolic fistula. So, we report a case of cholecystocholedochocolic fistula which was treated successfully by operation with a review of relevant literatures.(Korean J Gastroenterol 1997;29:853-858)
식도 정맥류 출혈로 내시경적 정맥류 결찰술을 시행 받은 간경변증 환자에서 복수 감염의 위험인자
최문석(Moon Seok Choi),이준혁(Joon Hyoek Lee),고광철(Kwang Cheol Koh),백승운(Seung Woon Paik),심상군(Sang Goon Shim),김창섭(Chang Seop Kim),류광현(Kwang Hyun Ryu),이풍렬(Poong Lyul Rhee),김재준(Jae Jun Kim),이종철(Jong Chul Rhee) 대한내과학회 1999 대한내과학회지 Vol.57 No.2
Background: Ascitic fluid infection is frequently associated with gastrointestinal bleeding and heralds poar prognosis in patients with liver cirrhosis. The aims of this study were to assess the incidence of ascitic fluid infection and to determine the risk factors associated with ascitic fluid infection in cirrhotic patients with variceal bleeding. Methods : Total 148 bleeding cirrhotic patients receiving endoscopic variceal ligation were evaluated. Characteristics of patients and bleeding were compared between the infected group (with ascitic fluid infection) and non-infected group (without ascitic fluid infection). Results : Ascitic fluid infection was detected in 22 (14.9%) of 148 patients. Child-Pugh class B or C (90.9% vs 61.9%, p<0.001), diabetes melitus (36.4% vs 12.7%, p=0.01), systolic blood pressure lower than 90 mmHg (40.9% vs 17.5%, p=0.02), active bleeding (68.1% vs 31.9%, p=0.02), transfusion of 4 pints or more (54.5% vs 20.6%, p=0.002) were more frequently found in infected group compared to non-infected group (n=126). Multivariate analysis showed that Child-Pugh class (p=0.03, R=0.21) and transfusion amount (p=0.02, R=0.34) were independent risk factors of ascitic fluid infection. Conclusion In bleeding cirrhotics with Child-Pugh class B or C or transfusion of 4 pints or more, risk for ascitic fluid infection was high and antibiotic prophylaxis should be considered.
이상구 ( Sang goo Lee ),이준혁 ( Joon Hyoek Lee ),백승운 ( Seung Woon Paik ),고광철 ( Kwang Cheul Koh ),최문석 ( Moon seok Choi ),이풍렬 ( Poong Lyul Rhee ),김재준 ( Jae Jun Kim ),이종철 ( Jong Chul Rhee ),최규완 ( Kyoo Wan Cho 대한내과학회 1999 대한내과학회지 Vol.56 No.6
Objective : This study was aimed to characterize the clinical features and course of acute hepatitis A in Korean adults. Methods : One-hundred and thirteen cases of acute hepatitis A, diagnosed between Jan. 1995 to July 1998 at 6 medical centers in Korea, were reviewed retrospectively. The clinical course of 94 cases with follow-up duration longer than 3 months were analyzed. Results : The median age was 26 (16-65) years and 97.3% of the patients were under 40 years. The presumed sources of infection were identifed in 62 cases (54.9%). Among those, the leading source was ingestion of raw food. All patients showed normalization of bilirubin level within 8 weeks. The ALT levels normalized within 8 weeks in all patients except three patients (3.2%). Three patients with prolonged elevation of ALT showed second rise of ALT, suggesting a possibility of relapsing hepatitis. Prolonged fever (>38℃) more than 10 days was observed in 3 patients (3.2%). One case showed prolonged elevation of alkaline phosphatase (> x3 upper normal limit). No case of fulminant hepatic failure or death was observed. Conclusion : The majority of cases with acute hepatitis A in Korean adults showed self-limited course with full recovery.
급성 신기능 손상을 동반한 A형 간염의 임상상과 예후 인자
이진희 ( Jin Hee Lee ),최문석 ( Moon Seok Choi ),곽금연 ( Geum Yeon Gwak ),이준혁 ( Joon Hyoek Lee ),고광철 ( Kwang Cheol Koh ),백승운 ( Seung Woon Paik ),유병철 ( Byung Chul Yoo ) 대한소화기학회 2010 대한소화기학회지 Vol.56 No.6
Background/Aims: We assessed the clinical features and prognosis of acute viral hepatitis A (AHA) complicated with acute kidney injury (AKI) and elucidated predictive factors for AKI in patients with AHA. Methods: We reviewed medical record of 391 patients with AHA admitted at our institution since 2000. Results: AKI was present in 45 patients (11.5%). The proportion of the AKI group increased since 2008 (5.4% before 2008 vs. 15.9% since 2008, p=0.001). The AKI group was older than the non-AKI group (35.7±8.7 years vs. 31.3±7.8 years, p=0.002). Other baseline clinical characteristics were similar between two groups. Initial hemoglobin, platelet, and serum albumin were significantly low and prothrombin time, serum bilirubin, creatinine, AST, and ALT were significantly high in the AKI group. Hepatic encephalopathy, ascites, gastrointestinal bleeding, and sepsis were more frequently observed in the AKI group. While six patients (13%) in the AKI group received liver transplantation (LT) but three patients died within one month, one patient in the non-AKI group receiving LT is alive. Multivariate analysis showed that older age (OR 1.07, 95% CI 1.02-1.12), initial thrombocytopenia <150,000/mm2 (OR 2.85, 95% CI 1.24-6.57), prothrombin time (PT) prolongation (OR 5.34, 95% CI 2.55-11.19), and hypoalbuminemia (OR 8.24, 95% CI 2.53-26.86) were independently associated with the occurrence of AKI. Conclusions: AHA with AKI is an increasing problem showing significant morbidity and mortality in Korea. AKI is highly associated with older age, initial thrombocytopenia, PT prolongation, or low serum albumin, and has bad prognostic effect. (Korean J Gastroenterol 2010;56:359-364)