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| 1 | Common bile duct stones on multidetector computed tomography:Attenuation patterns and detectability显示文摘AIM:To investigate the attenuation patterns and detectability of common bile duct(CBD) stones by multidetector computed tomography(MDCT).METHODS:Between March 2010 and February 2012,191 patients with suspicion of CBD stones undergoing both MDCT and endoscopic retrograde cholangiopancreatography(ERCP) were enrolled and reviewed retrospectively.The attenuation patterns of CBD stones on MDCT were classified as heavily calcified,radiopaque,less radiopaque,or undetectable.The association between the attenuation patterns of CBD stones on MDCT and stone type consisting of pure cholesterol,mixed cholesterol,brown pigment,and black pigment and the factors related to the detectability of CBD stones by MDCT were evaluated.RESULTS:MDCT showed CBD stones in 111 of 130 patients in whom the CBD stones were demonstrated by ERCP with 85.4% sensitivity.The attenuation patterns of CBD stones on MDCT were heavily calcified 34(26%),radiopaque 31(24%),less radiopaque 46(35%),and undetectable 19(15%).The radiopacity of CBD stones differed significantly according to stone type(P < 0.001).From the receiver operating characteristic curve,stone size was useful for the determination of CBD stone by MDCT(area under curve 0.779,P < 0.001) and appropriate cut-off stone size on MDCT was 5 mm.The factors related to detectability of CBD stones on MDCT were age,stone type,and stone size on multivariate analysis(P < 0.05).CONCLUSION:The radiopacity of CBD stones on MDCT differed according to stone type.Stone type and stone size were related to the detectability by MDCT,and appropriate cut-off stone size was 5 mm. | Chang Whan Kim Jae Hyuck Chang Yeon Soo Lim Tae Ho Kim In Seok Lee Sok Won Han | 2013 | World Journal of Gastroenterology2013，19，11： | 24 |
| 2 | Current diagnosis and treatment of benign biliary stricturesafter living donor liver transplantation显示文摘Despite advances in surgical techniques, benign biliary strictures after living donor liver transplantation(LDLT) remain a significant biliary complication and play an important role in graft and patient survival. Benign biliary strictures after transplantation are classified into anastomotic or non-anastomotic strictures. These two types differ in presentation, outcome, and response to therapy. The leading causes of biliary strictures include impaired blood supply, technical errors during surgery, and biliary anomalies. Because patients usually have non-specific symptoms, a high index of suspicion should be maintained. Magnetic resonance cholangiography has gained widespread acceptance as a reliable noninvasive tool for detecting biliary complications. Endoscopy has played an increasingly prominent role in the diagnosis and treatment of biliary strictures after LDLT. Endoscopic management in LDLT recipients may be more challenging than in deceased donor liver transplantation patients because of the complex nature of the duct-to-duct reconstruction. Repeated aggressive endoscopic treatment with dilation and the placement of multiple plastic stents is considered the first-line treatment for biliary strictures. Percutaneous and surgical treatments are now reserved for patients for whom endoscopic management fails and for those with multiple, inaccessible intrahepatic strictures or Roux-en-Y anastomoses. Recent advances in enteroscopy enable treatment, even in these latter cases. Direct cholangioscopy, another advanced form of endoscopy, allows direct visualization of the inner wall of the biliary tree and is expected to facilitate stenting or stone extraction. Rendezvous techniques can be a good option when the endoscopic approach to the biliary stricture is unfeasible. These developments have resulted in almost all patients being managed by the endoscopic approach. | Jae Hyuck Chang Inseok Lee Myung-Gyu Choi Sok Won Han | 2016 | World Journal of Gastroenterology2016，22，4： | 15 |
| 3 | Diagnostic performance of the current risk-stratified approach with computed tomography for suspected choledocholithiasis and its options when negative finding显示文摘Background:Several studies evaluated the current guideline of the American Society for Gastrointestinal Endoscopy(ASGE)and reported only suboptimal accuracy.This study evaluated the diagnostic performance of the ASGE guideline based on computed tomography(CT)and role of endoscopic ultrasonography(EUS)and magnetic resonance cholangiopancreatography(MRCP)in patients with suspected choledocholithiasis but negative CT finding.Methods:Patients with suspected choledocholithiasis undergoing ERCP between January 2016 and January 2017 were retrospectively analyzed.All patients underwent CT to detect choledocholithiasis.EUS or MRCP was performed when the CT scan showed negative findings.Patients were classified into the high and intermediate-risk groups,based on predictors from the ASGE criteria.Results:Of 583 patients with suspected choledocholithiasis,340(58.3%)had stones on ERCP(65.9%in the high-risk group and 40.6%in the intermediate-risk group).The accuracy of ASGE guideline for CT was 63.98%(79.12%sensitivity,42.80%specificity)and 36.02%(20.88%sensitivity,57.20%specificity)in the high-risk and intermediate-risk groups,respectively.In 103 patients in the high-risk group underwent both CT and US,the accuracy of CT was higher than that of US for detecting choledocholithiasis(78.64%vs.53.40%),with a significant difference in area under the curve(AUC)(0.78 vs.0.59,P<0.001).Of 339 with negative CT finding,the accuracy of EUS was higher than that of MRCP(90.91%vs.82.76%),but with no significant difference in AUC(0.91 vs.0.83,P=0.347).Conclusions:CT-based ASGE guideline showed superior diagnostic performance than US for predicting choledocholithiasis.The diagnostic options,EUS or MRCP,with negative CT finding showed comparable performance.Therefore,the diagnostic modality should be selected based on availability,experience,cost,and contraindications. | Hyun Woo Lee Tae Jun Song Do Hyun Park Sang Soo Lee Dong-Wan Seo Sung Koo Lee Myung-Hwan Kim Jae Hyuck Jun Ji Eun Moon Yeon Han Song | 2019 | Hepatobiliary & Pancreatic Diseases International2019，18，4： | 3 |
| 4 | A sulfur self-doped multifunctional biochar catalyst for overall water splitting and a supercapacitor from Camellia japonica flowers显示文摘A versatile use of a sulfur self-doped biochar derived from Camellia japonica(camellia)flowers is demonstrated as a multifunctional catalyst for overall water splitting and a supercapacitor.The native sulfur content in the camellia flower facilitates in situ self-doping of sulfur,which highly activates the camellia-driven biochar(SA-Came)as a multifunctional catalyst with the enhanced electron-transfer ability and long-term durability.For water splitting,an SA-Came-based electrode is highly stable and shows reaction activities in both hydrogen and oxygen evolution reactions,with overpotentials of 154 and 362 mV at 10 mA cm^(−2),respectively.For supercapacitors,SA-Came achieves a specific capacitance of 125.42 F g^(−1)at 2 A g^(−1)and high cyclic stability in a three-electrode system in a 1 M KOH electrolyte.It demonstrated a high energy density of 34.54 Wh kg^(−1)at a power density of 1600 W kg^(−1)as a symmetric hybrid supercapacitor device with a wide working potential range of 0-1.6 V. | Chengkai Xia Subramani Surendran Seulgi Ji Dohun Kim Yujin Chae Jaekyum Kim Minyeong Je Mi-Kyung Han Woo-Seok Choe Chang Hyuck Choi Heechae Choi Jung Kyu Kim Uk Sim | 2022 | Carbon Energy2022，4，4： | 3 |
| 5 | Comparative study of rendezvous techniques in post-liver transplant biliary stricture显示文摘AIM:To investigate the usefulness of a new rendezvous technique for placing stents using the Kumpe(KMP) catheter in angulated or twisted biliary strictures.METHODS:The rendezvous technique was performed in patients with a biliary stricture after living donor liver transplantation(LDLT) who required the exchange of percutaneous transhepatic biliary drainage catheters for inside stents.The rendezvous technique was performed using a guidewire in 19 patients(guidewire group) and using a KMP catheter in another 19(KMP catheter group).We compared the two groups retrospectively.RESULTS:The baseline characteristics did not differ between the groups.The success rate for placing inside stents was 100% in both groups.A KMP catheter was easier to manipulate than a guidewire.The mean procedure time in the KMP catheter group(1012 s,range:301-2006 s) was shorter than that in the guidewire group(2037 s,range:251-6758 s,P = 0.022).The cumulative probabilities corresponding to the procedure time of the two groups were significantly different(P = 0.008).The factors related to procedure time were the rendezvous technique method,the number of inside stents,the operator,and balloon dilation of the stricture(P < 0.05).In a multivariate analysis,the rendezvous technique method was the only significant factor related to procedure time(P = 0.010).The procedural complications observed included one case of mild acute pancreatitis and one case of acute cholangitis in the guidewire group,and two cases of mild acute pancreatitis in the KMP catheter group.CONCLUSION:The rendezvous technique involving use of the KMP catheter was a fast and safe method for placing inside stents in patients with LDLT biliary stricture that represents a viable alternative to the guidewire rendezvous technique. | Jae Hyuck Chang In Seok Lee Ho Jong Chun Jong Young Choi Seung Kyoo Yoon Dong Goo Kim Young Kyoung You Myung-Gyu Choi Sok Won Han | 2012 | World Journal of Gastroenterology2012，18，41： | 3 |
| 6 | Role of magnetic resonance cholangiopancreatography for choledocholithiasis: Analysis of patients with negative MRCP显示文摘 | Jae Hyuck Chang In Seok Lee Yeon Soo Lim Sung Hoon Jung Chang Nyol Paik Hyung Keun Kim Tae Ho Kim Chang Whan Kim Sok Won Han Myung-Gyu Choi In-Sik Jung | 2012 | Scandinavian Journal of Gastroenterology2012，，2： | 2 |
| 7 | Undiagnosed Borrmann type Ⅱ gastric cancer due to necrosis and regenerative epithelium显示文摘Endoscopic biopsy is essential to the proper diagnosis and treatment of gastric cancer.Unfortunately,the results of endoscopic biopsy are not always the same as what is expected based on gross endoscopic findings.The results of endoscopic biopsy can be negative for malignancy in Borrmann typeⅣadvanced gastric cancer(AGCa)or gastric lymphoma.However,in the case of typeⅡAGCa,repeated biopsies negative for malignancy have not been reported.A 49-year-old male patient underwent esophagogastroduodenoscopy three times due to large gastric ulcer suspected to be Borrmann typeⅡcancer.However,three repeat endoscopic biopsies with multiple specimens showed necrosis and superficial regenerative epithelium without malignant findings.The patient underwent laparoscopic distal gastrectomy with D2 lymph node dissection.The surgical specimen revealed that the mucosal layer was completely replaced with regenerative epithelium without cancer cells. | Joon Hur Jae Hyuck Chang Byung Kee Kim Hoon Young Ko Jong Hwan Lee Soo Jeong Kim Mi Ae Song Tae Ho Kim Chang Whan Kim Sok Won Han | 2014 | World Journal of Gastroenterology2014，20，28： | 2 |
| 8 | 来自一项艾日布林联合吉西他滨对比紫杉醇联合吉西他滨作为HER2阴性转移性乳腺癌的一线化疗的Ⅱ期、多中心、随机试验的包含神经病变相关量表的生活质量结果:韩国癌症研究组试验(KCSG BR13-11)显示文摘背景与目的一项比较艾日布林联合吉西他滨(eribulin plus gemcitabine,EG)或紫杉醇联合吉西他滨(paclitaxel plus gemcitabine,PG)作为转移性乳腺癌(metastatic breast cancer,MBC)患者一线化疗方案的II期临床试验发现,EG方案的神经毒性较低,但疗效与PG方案相似。在本研究中,我们分析了该临床实验中的癌症患者生命质量测评量表–紫杉烷(functional assessment of cancer therapy-taxane,FACT-Taxane)问卷评分以确定他们的生活质量(quality of life,QoL)。方法使用韩国版的FACT-Taxane问卷评估QoL。在评估基线之后,前12个疗程中每2个疗程评估1次QoL,之后每3个疗程评估1次QoL。使用线性混合模型评估EG组和PG组QoL的差异。结果在118例入组患者中,117例在基线时回复了FACT-Taxane问卷,PG组中有1例患者没有回复。EG组和PG组之间的基线QoL评分没有差异。在治疗期间,除了第11个疗程外,在第2–13个化疗疗程后,PG组紫杉烷亚量表评分显著高于EG组(均P<0.05)。神经病变特异性分析显示PG组患者的神经病症状比EG组患者更早出现且更严重(P<0.001)。结论在我们的QoL分析中,与PG方案相比,EG方案延迟并减少神经病变的发生。因此,艾日布林是MBC一线化疗药物紫杉醇的合理替代品。 | Ji‑Yeon Kim Seri Park Seock‑Ah Im Sung‑Bae Kim Joohyuk Sohn Keun Seok Lee Yee Soo Chae Ki Hyeong Lee Jee Hyun Kim Young‑Hyuck Im Tae‑Yong Kim Kyung‑Hun Lee Jin‑Hee Ahn Gun Min Kim In Hae Park Soo Jung Lee Hye Sook Han Se Hyun Kim Kyung Hae Jung Yeon Hee Park Korean Cancer Study Group | 2019 | 癌症2019，38，8： | 2 |
| 9 | Newly developed autoimmune cholangitis without relapse of autoimmune pancreatitis after discontinuing prednisolone显示文摘A 57-year-old man presented with a 2-wk history of painless jaundice and weight loss.He had a large illdefined enhancing mass-like lesion in the uncinate process of the pancreas with stricture of the distal common bile duct.Aspiration cytology of the pancreatic mass demonstrated inflammatory cells without evidence of malignancy.Total serum immunoglobulin G level was slightly elevated,but IgG4 level was normal.After the 2-wk 40 mg prednisolone trial,the patient's symptoms and bilirubin level improved significantly.A follow-up computed tomography(CT) scan showed a dramatic resolution of the pancreatic lesion.A low dose steroid was continued.After six months he self-discontinued prednisolone for 3 wk,and was presented with jaundice again.A CT scan showed newly developed intrahepatic biliary dilatation and marked concentric wall thickening of the common hepatic duct and the proximal common bile duct without pancreatic aggravation.The patient' s IgG4 level was elevated to 2.51 g/L.Prednisolone was started again,after which his serum bilirubin level became normal and the thickening of the bile duct was resolved.This case suggests that autoimmune pancreatitis can progress to other organs that are not involved at the initial diagnosis,even with sustained pancreatic remission. | Ji Hun Kim Jae Hyuck Chang Sung Min Nam Mi Jeong Lee Il Ho Maeng Jin Young Park Yun Sun Im Tae Ho Kim Chang Whan Kim Sok Won Han | 2012 | World Journal of Gastroenterology2012，18，41： | 1 |
| 10 | SIRT1 regulates oncogenesis via a mutant p53 -dependent pathway in hepatocellular carcinoma显示文摘 | Zheng Yun Zhang Doopyo Hong Seung Hoon Nam Jong Man Kim Yong Han Paik Jae Won Joh Choon Hyuck David Kwon Jae Berm Park Gyu-Seong Choi Kyu Yun Jang Cheol Keun Park Sung Joo Kim | 2014 | Journal of Hepatology2014，，： | 1 |
| 11 | Improving Hadoop performance in intercloud environments显示文摘 | Shin--gyu Kim Junghee Won Hyuck Han et aL | | Performance Evaluation P~eview0，39，3： | 1 |
| 12 | Effects of Mn on the crystal structure of α-Al (Mn,Fe) Si particles in A356 alloys显示文摘 | HYUN You Kim TEA Young PARK SANG Won Han HYUCK MoLee | 2006 | Crystal Growth2006，291，： | 1 |
| 13 | Role of magnetic resonance cholangiopancreatography for choledocholithiasis: Analysis of patients with negative MRCP显示文摘 | Jae Hyuck Chang In Seok Lee Yeon Soo Lim Sung Hoon Jung Chang Nyol Paik Hyung Keun Kim Tae Ho Kim Chang Whan Kim Sok Won Han Myung-Gyu Choi In-Sik Jung | 2012 | Scandinavian Journal of Gastroenterology2012，，2： | 1 |
| 14 | Impro- ving Hadoop performance in intereloud environments显示文摘 | SHIN-GYU KIM JUNGHEE WON HYUCK HAN | 2011 | Perform- anee Evaluation Review2011，39，3： | 1 |
| 15 | Lung Function Changes in Sprague-Dawley Rats After Prolonged Inhalation Exposure to Silver Nanoparticles显示文摘 | Jae Hyuck Sung Jun Ho Ji Jin Uk Yoon Dae Seong Kim Moon Yong Song Jayoung Jeong Beom Seok Han Jeong Hee Han Yong Hyun Chung Jeongyong Kim Tae Sung Kim Hee Kyung Chang Eun Jung Lee Ji Hyun Lee Il Je Yu | 2008 | Inhalation Toxicology2008，，6： | 1 |
| 16 | Unveiling the role of Ni in Ru-Ni oxide for oxygen evolution: Lattice oxygen participation enhanced by structural distortion显示文摘Introducing Ni in Ru oxide is a promising approach to enhance the catalytic activity for the oxygen evolution reaction(OER).However,the role of Ni(which has a poor intrinsic activity)is not fully understood.Here,a Ru NiO_(x)electrode fabricated via a modified dip coating method exhibited excellent OER performance in acidic media,and neutral media for CO_(2)reduction reaction.We combined in-situ/operando X-ray absorption near-edge structure and on-line inductively coupled plasma mass spectrometry studies to unveil the role of the Ni introduced in the Ru oxide.We propose that the Ni not only transforms the electronic structure of the Ru oxide,but also produces a large number of oxygen vacancies by distorting the oxygen lattice structure at low overpotentials,increasing the participation of lattice oxygen for OER.This work demonstrates the real behavior of bimetallic oxide materials under applied potentials and provides new insights into the development of efficient electrocatalysts. | Young-Jin Ko Man Ho Han Chulwan Lim Seung-Ho Yu Chang Hyuck Choi Byoung Koun Min Jae-Young Choi Woong Hee Lee Hyung-Suk Oh | 2023 | Journal of Energy Chemistry2023，，2： | 0 |
| 17 | Duodenal obstruction following acute pancreatitis caused by a large duodenal diverticular bezoar显示文摘Bezoars are concretions of indigestible materials in the gastrointestinal tract. It generally develops in patients with previous gastric surgery or patients with delayed gastric emptying. Cases of periampullary duodenal divericular bezoar are rare. Clinical manifestations by a bezoar vary from no symptom to acute abdominal syndrome depending on the location of the bezoar. Biliary obstruction or acute pancreatitis caused by a bezoar has been rarely reported. Small bowel obstruction by a bezoar is also rare, but it is a complication that requires surgery. This is a case of acute pancreatitis and subsequent duodenal obstruction caused by a large duodenal bezoar migrating from a periampullary diverticulum to the duodenal lumen, which mimicked pancreatic abscess or microperforation on abdominal computerized tomography. The patient underwent surgical removal of the bezoar and recovered completely. | Ji Hun Kim Jae Hyuck Chang Sung Min Nam Mi Jeong Lee Il Ho Maeng Jin Young Park Yun Sun Im Tae Ho Kim Il Young Park Sok Won Han | 2012 | World Journal of Gastroenterology2012，18，38： | 0 |
| 18 | Randomized clinical trial comparing fixed-time split dosing and split dosing of oral Picosulfate regimen for bowel preparation显示文摘AIM To compare the efficacy of fixed-time split dose and split dose of an oral sodium picosulfate for bowel preparation.METHODS This is study was prospective, randomized controlled study performed at a single Institution(2013-058). A total of 204 subjects were assigned to receive one of two sodium picosulfate regimens(i.e., fixed-time split or split) prior to colonoscopy. Main outcome measurements were bowel preparation quality and subject tolerability.RESULTS There was no statistical difference between the fixedtime split dose regimen group and the split dose regimen group(Ottawa score mean 2.57 ± 1.91 vs 2.80 ± 2.51, P = 0.457). Cecal intubation time and physician's satisfaction of inspection were not significantly different between the two groups(P = 0.428, P = 0.489). On subgroup analysis, for afternoon procedures, the fixed-time split dose regimen was equally effective as compared with the split dose regimen(Ottawa score mean 2.56 ± 1.78 vs 2.59 ± 2.27, P = 0.932). There was no difference in tolerability or compliance between the two groups. Nausea was 21.2% in the fixed-time split dose group and 14.3% in the split dose group(P = 0.136). Vomiting was 7.1% and 2.9%(P = 0.164), abdominal discomfort 7.1% and 4.8%(P = 0.484), dizziness 1% and 4.8%(P = 0.113), cold sweating 1% and 0%(P = 0.302) and palpitation 0% and 1%(P = 0.330), respectively. Sleep disturbance was two(2%) patients in the fixed-time split dose group and zero(0%) patient in the split dose preparation(P = 0.143) group.CONCLUSION A fixed-time split dose regimen with sodium picosulfate is not inferior to a split dose regimen for bowel preparation and equally effective for afternoon colonoscopy. | Jae Hyuck Jun Koon Hee Han Jong Kyu Park Hyun Il Seo Young Don Kim Sang Jin Lee Baek Gyu Jun Min Sik Hwang Yoon Kyoo Park Myeong Jong Kim Gab Jin Cheon | 2017 | World Journal of Gastroenterology2017，23，32： | 0 |
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