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( Jung Wan Choe ),( Hyung Joon Yim ),( Seung Hwa Lee ),( Hwan Hoon Chung ),( Sang Jun Suh ),( Seung Young Kim ),( Jong Jin Hyun ),( Sung Woo Jung ),( Young Kul Jung ),( Ja Seol Koo ),( Ji Hoon Kim ),( 대한간학회 2016 춘·추계 학술대회 (KASL) Vol.2016 No.1
Aims: No single effective method has yet been established for the prophylactic treatment of gastric varices. So, we aimed to compare two prophylactic treatment methods, including EVO and BRTO for gastric varices. Methods: We retrospectively analyzed patients with gastric varices, who had undergone either EVO or BRTO as a prophylactic treatment. The end points were eradication rate of gastric varices and gastric variceal bleeding rate during the follow-up period. Results: Total 84 patients were consisted of 55 patients in EVO group and 29 patients in BRTO group. No difference was observed in the clinical profiles of patients, including age, gender, Child-Pugh score, etiology of liver cirrhosis, and presence of hepatocellular carcinoma, between the EVO and BRTO groups. There was also no difference with respect to endoscopic features of gastric varices including F-component and location. As primary end points, the gastric varices were disappeared partially or completely in 50 patients in EVO group, and 27 patients in BRTO group. (90.9% vs 93.1%, p= 0.542). At the complete eradication rate, there was also no difference between two groups. (49.1% vs 65.5%, p=-0.150) However, 12 patients in EVO group bled from gastric varices after treatment during the median follow-up of 28 months, compared to only one case in BRTO group. (21.8% vs 3.4%, p=0.027) In addition, there were no differences in worsening in the endoscopic classification of esophageal varices or amounts of ascites. All-cause mortalities were similar in both. Conclusions: EVO and BRTO are equally effective for eradication of gastric varices with similar frequencies of complications and mortalities. However, BRTO proved more effective in preventing bleeding from gastric varices in the long run.
Jung Wan Choe,Young Kul Jung,Hyung Joon Yim,Gi-Hyeon Seo 대한의학회 2022 Journal of Korean medical science Vol.37 No.4
Background: Several studies have recently suggested that liver disease and cirrhosis were risk factors for poor outcomes in patients with coronavirus disease 2019 (COVID-19) infections. However, no large data study has reported the clinical course of COVID-19 patients with chronic hepatitis B virus (HBV) infections. This study investigated whether HBV infection had negative impacts on the clinical outcomes of COVID-19 patients. Methods: We performed a nationwide population-based cohort study with 19,160 COVID19-infected patients in 2020 from the Korean Health Insurance Review and Assessment database. The clinical outcomes of COVID-19 patients with chronic HBV infections were assessed and compared to those of non-HBV-infected patients. Results: Of the 19,160 patients diagnosed with COVID-19, 675 (3.5%) patients had chronic HBV infections. The HBV-infected patients were older and had more commodities than the non-HBV infected COVID-19 patients. During the observation period, COVID-19-related mortality was seen in 1,524 (8.2%) of the non-HBV-infected 18,485 patients, whereas 91 (13.5%) in HBV-infected 675 patients died of COVID-19 infection. Compared to patients without HBV infections, a higher proportion of patients with chronic HBV infections required intensive care unit (ICU) admission and had organ failures. However, odds ratios for mortality, ICU admission, and organ failure were comparable between the two groups after adjusting for age, sex, and comorbid diseases including liver cirrhosis and hepatocellular carcinoma. Conclusion: COVID-19-infected patients with HBV infections showed worse clinical courses than non-HBV-infected COVID-19 patients. However, after adjustment, chronic HBV infection itself does not seem to affect the clinical outcomes in COVID-19 patients.
( Jung Wan Choe ),( Seung Young Kim ),( Jong Jin Hyun ),( Sung Woo Jung ),( Young Kul Jung ),( Ja Seol Koo ),( Hyung Joon Yim ),( Sang Woo Lee ) 대한간학회 2017 Gut and Liver Vol.11 No.6
Background/Aims: Various clinical scoring systems, including the Glasgow-Blatchford score (GBS), Rockall risk score (RS), and AIMS65 score (AIMS65), have been validated to predict the clinical outcomes in patients with upper gastrointestinal bleeding (UGIB). We compared the performance of these three scoring systems in predicting clinical outcomes in patients with UGIB in Korea. Methods: We retrospectively evaluated 286 patients with UGIB who visited emergency department. The primary outcome was the need for clinical intervention (endoscopic, radiologic, or surgical) and blood transfusion. Results: The causes of UGIB were esophageal/gastric varices in 64 patients, peptic ulcer in 168, Mallory-Weiss tear in 32, malignancy of UGI tract in eight, and unknown in 14. One hundred seventy-four (61%) patients required blood transfusion, 166 (58%) required endoscopic intervention, and 10 (3.5%) required surgical intervention. The GBS outperformed the RS and AIMS65 in predicting the need for endoscopic intervention. Conclusions: The GBS and RS were more accurate than AIMS65 in predicting the need for clinical interventions and transfusion patients with UGIB, regardless of variceal or nonvariceal bleeding. The AIMS65 may not be optimal for predicting clinical outcomes of UGIB in Korea. (Gut Liver 2017;11:813-820)
Jung Wan Choe,Jong Jin Hyun,Seong-Jin Son,Seung-Hak Lee 대한소화기내시경학회 2024 Clinical Endoscopy Vol.57 No.4
Background/Aims: Sedation has become a standard practice for patients undergoing gastrointestinal (GI) endoscopy. However, considering the serious cardiopulmonary adverse events associated with sedatives, it is important to identify patients at high risk. Machine learning can generate reasonable prediction for a wide range of medical conditions. This study aimed to evaluate the risk factors associated with sedation during GI endoscopy and develop a predictive model for hypoxia during endoscopy under sedation. Methods: This prospective observational study enrolled 446 patients who underwent sedative endoscopy at the Korea University Ansan Hospital. Clinical data were used as predictor variables to construct predictive models using the random forest method that is a machine learning algorithm. Results: Seventy-two of the 446 patients (16.1%) experienced life-threatening hypoxia requiring immediate medical intervention. Patients who developed hypoxia had higher body weight, body mass index (BMI), neck circumference, and Mallampati scores. Propofol alone and higher initial and total dose of propofol were significantly associated with hypoxia during sedative endoscopy. Among these variables, high BMI, neck circumference, and Mallampati score were independent risk factors for hypoxia. The area under the receiver operating characteristic curve for the random forest-based predictive model for hypoxia during sedative endoscopy was 0.82 (95% confidence interval, 0.79–0.86) and displayed a moderate discriminatory power. Conclusions: High BMI, neck circumference, and Mallampati score were independently associated with hypoxia during sedative endoscopy. We constructed a model with acceptable performance for predicting hypoxia during sedative endoscopy.
( Jung Wan Choe ),( Jae Seon Kim ),( Soon Young Hwang ),( Hyo Jung Kim ),( Moon Kyung Joo ),( Beom Jae Lee ),( Ji Hoon Kim ),( Jong Eun Yeon ),( Jong Jae Park ),( Kwan Soo Byun ),( Young Tae Bak ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Patients with diabetes have higher risk for pancreatic cancer and the risk is reported to be high in early period after diagnosis. We had reported the usefulness of CA 19-9 with the new onset (< 2yrs) diabetes as a screening test for pancreatic cancer. (KJS, abstract 251) This study was to evaluate the validity of CA 19-9 check soon after diagnosis of diabetes as a pancreatic cancer screening tool. Methods: We reviewed medical records of diabetes patients who were diagnosed fi rst time at our hospital from Jan.2004 to Jan.2013. Among them, 2385 patients who checked CA 19-9 were enrolled. We classifi ed groups according to the timing of CA 19-9 measurement; first group, checked CA 19-9 within 1 year after diagnosis of diabetes and second group checked within 1~2 year after diabetes diagnosis. Results: Of 2385 diabetes patients, 91 (3.8%) were diagnosed with pancreatic cancer. In fi rst group, 72 (4.1%) of 1739 diabetes patients developed pancreatic cancer and odd ratio of pancreatic cancer according to abnormal CA 19-9 was 13.7 (p<0.001). 10 of pancreatic cancer (4.4%) were detected in second group of 226 patients and odd ratio was 8.02 (p=0.002). But after 2 years, the odd ratio for pancreatic cancer had no statistically signifi cance. The incidences of pancreatic cancer in 1965 patients with new onset diabetes followed by checking CA 19-9 within 2 years and in 420 patients with diabetes established for more than 2 years were 82 (4.1%) and 9 (2.1%), respectively. The odd ratio of pancreatic cancer for abnormal CA 19-9 within 2 year following diabetes diagnosis was 12.5 (P<0.001) Conclusion: Early check up of CA 19-9 following new onset diabetes diagnosis is meaningful as a screening test for pancreatic cancer.
Foods Inducing Typical Gastroesophageal Reflux Disease Symptoms in Korea
( Jung Wan Choe ),( Moon Kyung Joo ),( Hyo Jung Kim ),( Beom Jae Lee ),( Ji Hoon Kim ),( Jong Eun Yeon ),( Jong-jae Park ),( Jae Seon Kim ),( Kwan Soo Byun ),( Young-tae Bak ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2017 Journal of Neurogastroenterology and Motility (JNM Vol.23 No.3
Background/Aims Several specific foods are known to precipitate gastroesophageal reflux disease (GERD) symptoms and GERD patients are usually advised to avoid such foods. However, foods consumed daily are quite variable according to regions, cultures, etc. This study was done to elucidate the food items which induce typical GERD symptoms in Korean patients. Methods One hundred and twenty-six Korean patients with weekly typical GERD symptoms were asked to mark all food items that induced typical GERD symptoms from a list containing 152 typical foods consumed daily in Korea. All patients underwent upper gastrointestinal endoscopy followed by 24-hour ambulatory esophageal pH monitoring. The definition of “GERD” was if either of the 2 studies revealed evidence of GERD, and “possible GERD” if both studies were negative. Results One hundred and twenty-six cases (51 GERD and 75 possible GERD) were enrolled. In 19 (37.3%) of 51 GERD cases and in 17 (22.7%) of 75 possible GERD cases, foods inducing typical GERD symptoms were identified. In the GERD group (n = 19), frequent symptom-inducers were hot spicy stews, rice cakes, ramen noodles, fried foods, and topokki. In the possible GERD group (n = 17), frequent symptom-inducers were hot spicy stews, fried foods, doughnuts, breads, ramen noodles, coffee, pizza, topokki, rice cakes, champon noodles, and hotdogs. Conclusions In one-third of GERD patients, foods inducing typical symptoms were identified. Hot spicy stews, rice cakes, ramen noodles, fried foods, and topokki were the foods frequently inducing typical symptoms in Korea. The list of foods frequently inducing typical GERD symptoms needs to be modified based on their own local experiences. (J Neurogastroenterol Motil 2017;23:363-369)
개정된 대한췌장담도학회 급성췌장염 임상진료지침: 개정 목적과 과정
최정완 ( Jung Wan Choe ),이상협 ( Sang Hyub Lee ),천영국 ( Young Koog Cheon ),이홍식 ( Hong Sik Lee ),최미영 ( Miyoung Choi ) 대한췌장담도학회 2022 대한췌담도학회지 Vol.27 No.1
Acute pancreatitis can range from a mild, self-limiting disease that requires no more than supportive care to severe disease with life-threatening complications. Therefore, to provide a framework for clinicians to manage acute pancreatitis and to improve national health care, the Korean Pancreatobiliary Association (KPBA) established the first Korean guideline for the management of acute pancreatitis in 2013. However, many challenging issues exist, which sometimes lead to differences in practice between clinicians. Taking together the recent dramatic changes of latest knowledge and evidence newly obtained, the committee of the KPBA decided to perform an extensive revision of the guidelines. These revised guidelines were developed by using mainly Delphi methods, and the main topics of these guidelines fall under the following topics: 1) diagnosis, 2) severity assessment, 3) initial treatment, nutritional support, and convalescent treatment, 4) the treatment of local complication and necrotizing pancreatitis. The specific recommendations are presented with the quality of evidence and classification of recommendations. Korean J Pancreas Biliary Tract 2022;27(1):1-5