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식도정맥류환자에서의 (食道靜脈瘤患者) 식도운동에 (食道運動) 관한 연구
김정용(Chung Young Kim),송인성(In Sung Song),최규완(Kyoo Wan Choi),정영화(Young Hwa Chung),이영상(Yung Sang Lee),전형식(Hyung Sik Jun) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.2
N/A Esophageal motility was studied in 14 control cases and 14 cases with esophageal varix, using low compliance pneumohydraulic capillary infusion system. 1) There was no difference in lower esophageal sphincter pressure between control and varix group (20.0+-l8.3mmHg and 19.8+- 5.7mmHg, respectively), but low esophageal peristaltic pressures were decr eased in varix group (51.0+-34.1mmHg) comparing with those in control group. (76.4+-16.4mmHg) (p<0. 05). The decrease of low esophageal peristaltic presure in varix group had no relation with varix grade or age distribution. 2) The lower esophageal peristaltic pressures were increased significantly after metoclopropamide administration in control (from 76.4+-16.4mmHg to 101.2+-21.6mmHg) and varix group (from 51.0+-34.1mmHg to 70.1>38.6mmHg), but the change of lower esophageal sphincter pressure was not significant.
연구논문 : C형간염바이러스 유전자형 1b에 감염된 한국인 환자에서 인터페론 감수성 결정 영역의 유전자 돌연변이 양상
진영주 ( Young Joo Jin ),박윤경 ( Yoon Kyung Park ),윤귀준 ( Gui Jun Yun ),이한주 ( Han Chu Lee ),정숙향 ( Sook Hyang Jeong ),김강모 ( Gang Mo Kim ),임영석 ( Young Suk Lim ),정영화 ( Young Hwa Chung ),이영상 ( Yung Sang Lee ),서 대한간학회 2010 Clinical and Molecular Hepatology(대한간학회지) Vol.16 No.2
Background/Aims: The treatment response to interferon could differ with mutations in the interferon-sensitivity-determining region (ISDR) in patients infected with hepatitis C virus (HCV) genotype-1b (HCV-Ib). We examined the pattern of ISDR mutations and analyzed whether the number of amino acid substitutions influences the treatment response to peginterferon plus ribavirin in chronic hepatitis or cirrhotic patients infected with HCV-Ib. Methods: The study population comprised 52 patients who visited Seoul Asan Medical Center and Seoul National University Bundang Hospital from January 2006 to December 2008 and who received peginterferon alpha-2a (n=37) or -2b (n=15) plus ribavirin, and whose serum was stored. We analyzed the early virologic response, end-of-treatment response, and sustained virologic response (SVR), and examined the ISDR using direct sequencing. Results: The proportions of patients with ISDR mutation types of wild (0mutations), intermediate (1-3 mutations), and mutant (≥4 mutations) were 50.0%, 42.3%, and 7.7%,respectively, and the corresponding SVR rates were 63%, 50%, and 67% (p>0.05). The SVR rates were 59.4% and 50.0% in patients with <2 and ≥2 mutations, respectively (p>0.05). On univariate analysis, age was the only predictive factor for SVR (p=0.016). The pretreatment HCV RNA titer tended to be lower in those with SVR, but without statistical significance (p=0.069). Conclusions: The frequency of ISDR mutations was low in our cohort of Korean patients infected with HCV-Ib. Therefore, ISDR mutations might not contribute to the response to treatment with peginterferon plus ribavirin.
위장관 ( 胃腸管 ) : 노출혈관을 동반한 소화성 궤양 출혈환자에 대한 레이저 지혈요법
민영일(Young Il Min),정영화(Young Hwa Chung),양석균(Suk Kyun Yang) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.4
N/A we have assessed the efficacy and safety of endoscopic LASER therapy following injection of 1:10,000 eplnephrine solution in 36 patients with bleeding peptic ulcers, in whom an exposes vessel or sentinel clot was indentified.1) 15 of 16 patients (94%) with actively bleeding vessels could be controlled successfully by the combined therapy with epinephrine injection and LASER photocoagulation. 2) 30of total 36 patients (83%) with exposed vessels showed no recurrent bleeding within 72 hours after initial treatment with epinephrine injection and LASER ohotocoagulation.3) Among 5 patients with recurrent bleeding after initial treatment, the bleeding of 4 patients (80%) could be controlled by second trial.4) Ultimately, 34 of total 36 patients (94) with exposed vessels could be managed successfully by the combined treatment of epinephrine injection and LASER photocoagulation. 5) Complications related to LASER therapy follwing epinephrine injection were sepsis in a patient with deabetes melitus, and arterial spurtings in three patients which were successfully controlled by repeated LASER photocogulation.6) The overail morality in this study was 6% (2 patients); one seath was caused by sepsis, and the other was due to underlying hepatocellular carcinoma. In conclusion, the LASER therapy following epinephrine injection may be an effective and safe treatment of bleeding peptic ulcers with exposed vessels in the hemostasis and prevention of recurrence.
간장 ( 肝臟 ) 및 담도 ( 膽道 ) : 만성 간질환 환자에서 혈청 Alpha - Fetoprotein 치의 비특이적 상승을 유발하는 요인에 관한 연구
민영일(Young Il Min),정영화(Young Hwa Chung),양석균(Suk Kyun Yang) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.4
N/A The factors and mechanisms that elevate serum alpha-fetaprotein (AFP) in patients with non-malignant chronic liver disease have not been well known. The present study was designed to find factors contributing to nonspecific increase of serum AFP in these patients. We have also reviewed possible mechanisms of increased serum AFP that may explain our results. The results were summarized as follows; 1) Serum AFP levels did not. correlate to either age or sex. 2) Serum AFP levels correlated with serum alanine aminotransferase (ALT) levels only at low degree (r.=0.219, P=0.03). 3) Eight patiente whose serum AFP levels were 400 ng/ml or more were all seropositive for HBsAg. However, there was no statistical difference in srum AFP levels between patients with (n=65) and without (n=12) HBsAg. 4) Eleven patients whose serum AFP levels were 200 ng/ml or more were all seropositive for HBeAg, and there was statistical difference in serum AFP levels between patients with (n=41) and without (n=ll) HEleAg(p<0.05). In conclusion, hepatic necrosis per se does not seem to be directly responsible for serum AFP elevation in patients with nonmalignant chronic liver disease. The possible mechanism for increased serum AFP in theee patients is abnormal or aitered liver cell regeneration, which may be associated with hapatitis B virus.
위장관 ( 胃腸管 ) : 우리나라 정상 성인에서 과당의 장관내 불완전 흡수의 임상적 의의
민영일(Young Il Min),정영화(Young Hwa Chung),김상위(Sang We Kim) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.4
N/A To evaluate the completeness af intestinal fructose absarption and to investigate the correlation of gastrointestinal symptoms with it, we performed breath hydrogen test in 17 healthy volunteers after oral administration of 50 g of pure fructose as 20% solution. Prior to fructose test, we administered 16 g of lactulose to 22 healthy volunteers and excluded 5 subjects who did not praduce adequate hydrogen in their colon. Buring the test, gastrointestina1 symptoms, such as diarrhea, aMominal cremps or severe gaseous distension, were recorded. The results were as folIows: 1) Gastrointestmal symptoms were reported by 5 of 17 healthy volunteers (29%) after oral administration of 50g of fructose as 20% solution. 2) 10 of 17 subjects (59%) absorbed fructose incompletely in the intestinal tract which was defined as a peak rise in breath hydrogen concentration over 20 ppm after oral administration of 50 g of fructose as 20% solution. 3) AII 5 subjects associated with gastrointestinal symptoms and 5 of 12 subjects without syrnptorns absorbed fructose ineompletely. In conclusion, incomplete intestinal absorption of fructose might be a possible cause of gastrointestinai symptoms in healthy adults.
간장 ( 肝臟 ) 및 담도 ( 膽道 ) : 간세포암 진단에 있어서 혈청 보체치의 의의
민영일(Young Il Min),정영화(Young Hwa Chung),임채만(Chae Man Lim) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.4
N/A Though serum alpha-fetoprotein (AFP) is a highly specific tumor marker for the diagnosis of hepatocellular carcioma, its sensitivity is known to be less than 80% owing to the presence of tumors which show low serum AFP levels, thus necessitating a complementary screening method which might improve the averall 6etection rate of serum AFF in the diagnosis of hepatocellular carcinoma. We assessed the levels of serum AFP, C3, and C4, in patients with chronic liver disease, hepatocellular carcinoma and in normal controls to confirm the differences among the three groups, and evaluated the diagnostic signifieancee of serum GC, and AFP in the diagnosis of hepatocellular carcinoma. The results are as follows; 1) The serum levels of C3, and C4, were significantly lower in patients with chronic liver disease compared to control group, but showed no statistical difference between patients with hepatocellular carcinoma and control group. 2) The sensitivity, specificity, positive and negative predictive values in the diagnosis of hepatocellular carcinoma of serum AFP (>400 ng/ml) were 59%, 96%, 93% and 74% respectively, and those of serum C3 and C4 together (>75mg/dl and >16 mg/dl) were 95%, 41%, 57%, and 92%, respectively. In conclusion, the simultaneous measurernent of serum C3 and C4. along with serum AFP may augment the detection rate of hepatocellular carcinoma in patients having chronic liver disease by increasing the diagnostic sensitivity and negative predictive value which both are relatively low for serum AFP.
민영일(Young Il Min),이영상(Young Sang Lee),김명환(Myung Hwan Kim),이승규(Sung Gyu Lee),민병철(Pyung Chul Min),유은실(Eun Sil Yu),정영화(Yong Hwa Chung),오용호(Young Ho Oh) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.5
Hepatocellular carcinoma arising in the caudate lobe is rare and its prognosis is generally poor. Most of lesions already show multiple metastases and are inoperable at the time of presentation, because tumor cells may spread readily through its short portal and hepatic vein branches into the main portal vein and the inferior vena cava early in the disease. We report a case of hepatocellular carcinoma arising in the caudate lobe which was successfully resected through the combined upper midline incision and median sternotomy 43 months ago
원발성 (原發性) 간암의 (肝癌) 간절제가능성 (肝切除可能性) 판정에 있어서 간주사 (肝走査) , 복강경검사 (腹腔鏡檢査) 및 간혈관조영술의 (肝血管造影術) 비교
김정용(Chung Yong Kim),이효석(Hyo Suk Lee),정영화(Young Hwa Chung),김수태(soo Tae Kim) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.1
N/A For the purpose of evaluating the predictive values for the resectability of primary liver cancer, the results of radionuclide liver scan, peritoneoscopy and hepatic angiography in 152 cases including 31 cases received laparotomy were reviewed and analyzed. The results were summarized as following: 1) The positive predictive value of radionuclide liver scan, peritoneoscopy and hepatic angiography was 58.9%, 77.3% and 84.2%, respectively, while the negative predictive value was 74.5% 96.9% and 96.3%, respectively. And the sensitivity of each method was 86.4%, 97.7% and 96.9% respectively, with the specificity of 39.8%, 71.3% and 81.8%, respectively. 2) Radionuclide liver scan was high in its sensitivity, but portal vein tumor emboli and metastasis to lymph nodes and adjacent organs couldnt be detected by this method, and therefore the specificity became low. Accordingly, the predictability for hepatic resection of this method was found to be poor. 3) Peritoneoscopy was more helpful than radionuclide liver scan and angiography in detecting metastasis to adjacent organs or small tumor nodules on the liver surface. However, portal vein tumor emboli and lesions located in the posterior surface of the liver couldn't be detected. 4) Hepatic angiography had difficulties in diagnosing diffuse type of metastasis to adjacent organs and lymph nodes. However, portal vein tumor emboli could be found and the accurate location and size of primary liver cancer could be evaluated, indicating that this test is a reliable and indispensible method for the evaluation of resectability. The results above showed that radionuclide liver scan, peritoneoscopy and hepatic angiography were indispensible and complementary each other in judging resectability of primary liver cancer and should be performed in that order to select candidates for laparotomy.
제대염으로 인한 문맥 혈전증에서 발생한 식도 - 위 정맥류 출혈 2예
민영일(Young Il Min),정영화(Young Hwa Chung),이선영(Sung Young Yi),한덕종(Duck Jong Ham) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.1
Ablation of blood flow through the extrahepatic portal vein itself, and/or segment of its major tributaries is the dominant pathologic mechanism in extrahepatic portal hypertension. In children, the most common cause of portal hypertension is portal thrombosis. Portal vein thrombosis is resultant most often neonatal omphalitis, umbilical vein catheterization for exchange transfusion, peritonitis, abdominal trauma, etc. Portal vein thrombosis secondary to omphalitis is an attractive and widely held hypothesis for the development of portal vein occlusion and portal hypertension. We experienced two cases of esophagogastric variceal bleeding caused by portal vein thrombosis who have history of omphalitis in neonatal and childhood. So we report these cases with a review of relevant literatures.
내시경적 역행성 췌담관 조영술의 합병증으로 발생한 전격성 담관염
민영일(Young Il Min),김명환(Myung Hwan Kim),이철환(Cheol Whan Lee),정영화(Yung hwa Chung) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.2
ERCP has gained wide acceptance as a valuable tool for the diagnosis and management of disease of the pancreas and biliary tract. Although cornplications with this procedure are few, infection has been reported to be a major cause of morbidity and mortality. We have cared for one patient with secondary sclerosing cholangitis who had experienced fulminant cholangitis after ERCP in resolving phase of acute pancreatitis. Because of the high mortality rate from septic complications of EFCP it is necessary to administer prophylactic antibiotics and avoid inducing excessively increased bile duct pressure during the procedure and provide effective biliary drainage after procedure.