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위암종과 Epstein-Barr 바이러스와의 연관성에 대한 연구
심광용,김호영,김효열,백순구,권상옥,조미연,이창훈,이종인 건국대학교 의과학연구소 2004 건국의과학학술지 Vol.14 No.-
Objectives: Epstein-Barr virus (EBV) has been known to be linked to a spectrum of neoplastic conditions, including nasopharyngeal carcinoma, Burkitt's lymphoma, peripheral T-cell lymphoma and Hodgkin's disease. This study aims to investigate the association of EBV with gastric carcinoma in Korea. Methods: Fifty-three cases of gastric adenocarcinoma were studied for evidence of EBV infection by EBV-encoded small RNA (EBER) in situ hybridization (ISH) on the paraffin sections and amplifying the EBV genome encoding envelop glycoprotein (gp220) with polymerase chain reaction (PCR) in fresh gastric cancer specimens. Results: EBER was detected in 7 (13.2%) of 53 gastric carcinomas and all cases were male. In 6 (85.7%) of 7 EBER-positive cases, the tumors were located in the upper and middle part of the stomach. EBER ISH study showed strong positivity in all the tumor cells, but negativity in surrouning lymphocytes, stromal cells and normal gastric mucosa. DNA PCR was positive in 23 (43.4%) of 53 gastric carcinomas, including all of 7 EBER-positive cases. Conclusion: We could observe some association of EBV with gastric carcinoma, and our findings about the charateristics of EBV-positive gastric cancers involving sex, site and histological type are similar to those in Japan. However, EBV-positive rate of gastric cancer is higher than in Japan and lower than in Western countries. Further studies to elucidate oncogenic mechanism of EBV in gastric cancer should be performed.
Relationship of Hemodynamic Indices and Prognosis in Patients with Liver Cirrhosis
( Soon Koo Baik ),( Myeong Gwan Jee ),( Phil Ho Jeong ),( Jae Woo Kim ),( Sang Won Ji ),( Hyun Soo Kim ),( Dong Ki Lee ),( Sang Ok Kwon ),( Young Ju Kim ),( Joong Wha Park ),( Sei Jin Chang ) 대한내과학회 2004 The Korean Journal of Internal Medicine Vol.19 No.3
간경변 환자의 문맥압 항진증에 대한 Terlipressin 의 효과
백순구(Soon Koo Baik),김영주(Young Ju Kim),박중화(Joong Wha Park),서정인(Jung In Seo),정필호(Pil Ho Jeong),김문영(Moon Young Kim),박동훈(Dong Hun Park),김현수(Hyun Soo Kim),이동기(Dong Ki Lee),권상옥(Sang Ok Kwon) 대한소화기학회 2002 대한소화기학회지 Vol.39 No.3
Background/Aims: We conducted this prospective study to evaluate portal hypotensive effect of terlipressin in patients with liver cirrhosis and to find out the factors that contribute to effective reduction of portal pressure after terlipressin administration. Methods: A total of 34 patients with cirrhosis who have experienced variceal bleeding were selected. We measured the mean blood pressure (MBP), heart rate (HR), hepatic venous pressure gradient (HVPG), and portal venous flow (PVF) before and 5, 10, 15, 20 minutes after terlipressin administration. Patients who showed an average HVPG reduction of ≥ 20% from 5 min to 20 min after terlipressin administration were defined as responder. Results: At 5 minutes after terlipressin administration, HVPG and PVF decreased from 17.5±5.5 mmHg to 14.1±4.7 mmHg (-19.4±14.8%, p<0.01) and, from 842.6±386.0 mL/min to 642.5±358.5 mL/min (-25.5±12.2%, p<0.01). Elevation of MBP and reduction of HR started after 5 min (p<0.01) and sustained until 20 min. Twenty six patients (76.5%) were classified as responder. In multivariate analysis to identify factors which affect responder, only the Child-Pugh score was a significantly independent factor for responder (Child-Pugh score < 10, odds ratio 135.3, 95% CI [2.45, 7472.33], p=0.016). Conclusions: Terlipressin might be helpful in control of variceal bleeding due to reducing portal pressure and more effective in cirrhotic patients with a low Child-Pugh score. (Korean J Gastroenterol 2002;39:198-203)
문맥압 항진증의 약물 치료 -국내 자료와 경험을 중심으로-
백순구 ( Soon Koo Baik ) 대한소화기학회 2005 대한소화기학회지 Vol.45 No.6
Portal hypertension as a consequence of liver cirrhosis is responsible for serious complications such as variceal bleeding, ascites and hepatic encephalopathy. Successful pharmacological treatment of portal hypertension can prevent the risk of the varicea
간외담도 결석의 내시경적 치료 성적과 이에 영향을 미치는 요인
백순구(Soon Koo Baik),김준명(Jun Myeong Kim),김광현(Kwang Hyun Kim),정연수(Yon Soo Jeong),이동기(Dong Ki Lee),권상옥(Sang Ok Kwon) 대한내과학회 1998 대한내과학회지 Vol.54 No.4
Objectives : Developments in endoscopic technique and equipments have improved duct clearance rate in patients with extrahepatic bile duct(EHBD) stone. In this study, we reviewed our experience in extracting EHBD stones with standard and more advanced technique and equipments such as mechanical lithotripsy and extracorporeal shock wave lithotripsy. Aims of this study were to determine the overall success rate of endoscopic extracting for EHRD stone, to identify risk factors for failed duct clearance at initial and final therapeutic ERCP. Methods : We retrospectively reviewed 214 consecutive patients who underwent Endoscopic Retrograde Cholangiopancreatography(ERCP) for EHBD stone over 45 months period. Factors evaluated for failed duct clearance included stone size, stone number, stone shape, concomitant stone of gallbladder and intrahepatic duct, presence of distal bile duct stricture, periampullary diverticula(PAD), Billroth-II gastrojejunostomy, and sepsis at admission. Results: The overall success rate of endoscopic treatment for EHBD stone was 93.5% (200/214). The causes of failed duct clearance were failed endoscopic sphincterotomy in 5/214 (2.3%), technical failure of extracting stone in 5/214(2.3%), and aggravation of acute cholecystitis between therapeutic endoscopic sessions in 4/214(1.9%), Risk factors for failed duct clearance with endoscopic extraction of EHBD stone were size and shape of the stone, concomitant stone of gallbladder and intrahepatic duct, and stricture of distal common bile duct. The duct clearance rate with initial therapeutic ERCP was 56.5%(121/200). Risk factors for failed duct clearance with initial therapeutic ERCP were size, shape and number of stone, and sepsis at admission. The complications of endoscopic treatment for EHBD stone were major bleeding in 5/200 (2.5%), pancreatitis in 18/200 (9.0%), but there was no perforation. Conclusion: Eventhough risk for failure of endoscopic treatment for EHBD stone were giant or piston shaped stone, concomitant stone of gallbladder and intrahepatic duct, and stricture of distal common bile duct, we conclude that endoscopic treatment for EHBD stone is safe and effective treatment modality, and choice of treatment.