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| 1 | Clinicopathologic factors influencing the accuracy of EUS for superficial esophageal carcinoma显示文摘AIM:To identify clinicopathologic factors influencing the accuracy of a high-frequency catheter probe endoscopic ultrasonography(EUS)for superficial esophageal carcinomas(SECs).METHODS:A total of 126 patients with endoscopically suspected SEC,who underwent EUS and curative treatment at Pusan National University Hospital during2005-2013,were enrolled.We reviewed the medical records of the 126 patients and compared EUS findings with histopathologic results according to clinicopathologic factors.RESULTS:A total of 114 lesions in 113 patients were included in the final analysis.The EUS assessment of tumor invasion depth was accurate in 78.9%(90/114)patients.Accuracy did not differ according to histologic type,tumor differentiation,tumor location,or macroscopic shape.However,accuracy significantly decreased for tumors≥3 cm in size(P=0.002).Overestimation and underestimation of the invasion depth occurred for 11(9.6%)and 13 lesions(11.4%),respectively.In multivariate analyses,tumor size≥3 cm was the only factor significantly associated with EUS accuracy(P=0.031),and was specifically associated with the underestimation of invasion depth.CONCLUSION:EUS using a high-frequency catheter probe generally provides highly accurate assessments of SEC invasion depth,but its accuracy decreases for tumors≥3 cm. | Jung Im Jung Gwang Ha Kim Hoseok I Do Youn Park Tae Kyun Kim Young Hwa Cho Yong Wan Sung Mun Ki Choi Bong Eun Lee Geun Am Song | 2014 | World Journal of Gastroenterology2014，20，20： | 9 |
| 2 | Significant risk and associated factors of active tuberculosis infection in Korean patients with inflammatory bowel disease using anti-TNF agents显示文摘AIM:To evaluate the incidence and risk factors of Korean tuberculosis(TB) infection in patients with inflammatory bowel disease(IBD) undergoing anti-TNF treatment.METHODS:The data of IBD patients treated with anti-TNFs in 13 tertiary referral hospitals located in the southeastern region of Korea were collected retrospectively.They failed to show response or were intolerant to conventional treatments,including steroids or immunomodulators.Screening measures for latent TB infection(LTBI)and the incidence and risk factors ofactive TB infection after treatment with anti-TNFs were identified.RESULTS:Overall,376 IBD patients treated with antiTNF agents were recruited(male 255,mean age of anti-TNF therapy 32.5±13.0 years);277 had Crohn’s disease,99 had ulcerative colitis,294 used infliximab,and 82 used adalimumab.Before anti-TNF treatment,screening tests for LTBI including an interferon gamma release assay or a tuberculin skin test were performed in 82.2%of patients.Thirty patients(8%)had LTBI.Sixteen cases of active TB infection including one TB-related mortality occurred during 801 personyears(PY)follow-up(1997.4 cases per 100000 PY)after anti-TNF treatment.LTBI(OR=5.76,95%CI:1.57-21.20,P=0.008)and WBC count<5000 mm3(OR=4.5,95%CI:1.51-13.44,P=0.007)during follow-up were identified as independently associated risk factors.CONCLUSION:Anti-TNFs significantly increase the risk of TB infection in Korean patients with IBD.The considerable burden of TB and marked immunosuppression might be attributed to this risk. | Eun Soo Kim Geun Am Song Kwang Bum Cho Kyung Sik Park Kyeong Ok Kim Byung Ik Jang Eun Young Kim Seong Woo Jeon Hyun Seok Lee Chang Heon Yang Yong Kook Lee Dong Wook Lee Sung Kook Kim Tae Oh Kim Jonghun Lee Hyung Wook Kim Sam Ryong Jee Seun Ja Park Hyun Jin Kim | 2015 | World Journal of Gastroenterology2015，21，11： | 5 |
| 3 | Acute distal common bile duct angle is risk factor for postendoscopic retrograde cholangiopancreatography pancreatitis in beginner endoscopist显示文摘BACKGROUND Post-endoscopic retrograde cholangiopancreatography(ERCP)pancreatitis(PEP)is a critical and poorly managed complication of ERCP.Endoscopists need to understand the risk factors for PEP.However,the majority of studies investigating ERCP-related risk factors have included well-trained endoscopists,with the issue of endoscopist experience on PEP incidence not having been systematically evaluated.AIM To explore the risk factors for PEP in beginner endoscopists without supervision.METHODS We performed a retrospective analysis of 293 patients,with naïve papilla and no history of pancreatitis,treated using bile duct cannulation.Patients were classified according to the endoscopist’s experience(beginner vs expert).The angle of the distal common bile duct(CBD)was measured as the angle between the lower wall of the bile duct and a vertical line extending to the lower wall of the bile duct on coronal view computed tomography.RESULTS After propensity matching,there were no differences between patients treated by the expert and beginner endoscopist with regard to age,sex,mean bile duct dilatation,and ratio of benign disease.The distal CBD angle was classified as acute(>30º)or obtuse(≤30º),based on the mean angle of 29.9ºfor the group.An acute distal CBD angle was a significant risk factor for PEP for beginner(P=0.049),but not expert.CONCLUSION For beginner endoscopists first performing unsupervised ERCP,cases with an obtuse distal CBD angle may be more appropriate to lower the risk of PEP. | Sung Yong Han Dong Uk Kim Moon Won Lee Young Joo Park Dong Hoon Baek Gwang Ha Kim Geun Am Song | 2020 | World Journal of Clinical Cases2020，8，1： | 3 |
| 4 | A review of processing of Cu/C base plate composites for interfacial control and improved properties显示文摘The increase in both power and packing densities in power electronic devices has led to an increase in the market demand for effective heat-dissipating materials with a high thermal conductivity and thermal expansion coefficient compatible with chip materials while still ensuring the reliability of the power modules.Metal matrix composites,especially copper matrix composites,containing carbon fibers,carbon nanofibers,or diamond are considered very promising as the next generation of thermalmanagement materials in power electronic packages.These composites exhibit enhanced thermal properties,as compared to pure copper,combined with lower density.This paper presents powder metallurgy and hot uniaxial pressing fabrication techniques for copper/carbon composite materials which promise to be efficient heat-dissipation materials for power electronic modules.Thermal analyses clearly indicate that interfacial treatments are required in these composites to achieve high thermal and thermomechanical properties.Control of interfaces(through a novel reinforcement surface treatment,the addition of a carbide-forming element inside the copper powders,and processing methods),when selected carefully and processed properly,will form the right chemical/mechanical bonding between copper and carbon,enhancing all of the desired thermal and thermomechanical properties while minimizing the deleterious effects.This paper outlines a variety of methods and interfacial materials that achieve these goals. | Jean-François Silvain Jean-Marc Heintz Amélie Veillere Loic Constantin Yong Feng Lu | 2020 | International Journal of Extreme Manufacturing2020，2，1： | 2 |
| 5 | EMR for early gastric cancer in Korea: a multicenter retrospective study显示文摘 | Jae J. Kim Jun Haeng Lee Hwoon-Yong Jung Gin Hyug Lee Joo Yong Cho Chang Beom Ryu Hoon Jai Chun Jong Jae Park Wan Sik Lee Hyun Soo Kim Moon Gi Chung Jeong Seop Moon Seok Reyol Choi Geun Am Song Hyun Yong Jeong Sam Ryong Jee Sang Yong Seol Yong Bum Yoon | 2007 | Gastrointestinal Endoscopy2007，，4： | 2 |
| 6 | The associated contributions of p53 and the DNA mismatch repair protein Msh6 to spontaneous tumorigenesis显示文摘 | Yong LC Keuling AM Lai R | 2007 | Carcinogenesis2007，28，10： | 1 |
| 7 | EMR for early gastric cancer in Korea: a multicenter retrospective study显示文摘 | Jae J. Kim Jun Haeng Lee Hwoon-Yong Jung Gin Hyug Lee Joo Yong Cho Chang Beom Ryu Hoon Jai Chun Jong Jae Park Wan Sik Lee Hyun Soo Kim Moon Gi Chung Jeong Seop Moon Seok Reyol Choi Geun Am Song Hyun Yong Jeong Sam Ryong Jee Sang Yong Seol Yong Bum Yoon | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 8 | Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones <ce:link locator='fx1'/>显示文摘 | Jeung Ho Heo Dae Hwan Kang Hyo Jin Jung Dae Sik Kwon Jin Kwang An Bo Suk Kim Kyung Duk Suh Sang Yong Lee Joo Ho Lee Gwang Ha Kim Tae Oh Kim Jeong Heo Geun Am Song Mong Cho | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 9 | Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones <ce:link locator='fx1'/>显示文摘 | Jeung Ho Heo Dae Hwan Kang Hyo Jin Jung Dae Sik Kwon Jin Kwang An Bo Suk Kim Kyung Duk Suh Sang Yong Lee Joo Ho Lee Gwang Ha Kim Tae Oh Kim Jeong Heo Geun Am Song Mong Cho | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 10 | Rosuvastatin,a new HMG-CoA rductase inhibitor,protects ischemic reperfused myocardium in normocholesterolemic rats显示文摘 | Ikeda Y Yong LH Lefer AM | 2003 | J Cardiovasc Pharmacol2003，41，： | 1 |
| 11 | Stereotactic radiosurgery toxicity in the treatment of intracanalicular acoustic neuromas:The Seattle Northwest gamma knife experience显示文摘 | Vermeulen S Yong R Posewitz AM | 1998 | Stereotact Funct Neurosurg1998，70，： | 1 |
| 12 | Rosuvastatin,a new HMGCoA reductase inhibitor,protects ischemic reperfused myocardium in normocholesterolemic rats显示文摘 | Ikeda Y Yong LH Lefer AM | 2003 | J Cardiovasc Pharmacol2003，41，： | 1 |
| 13 | Effiux transporters of the human placenta显示文摘 | Yong AM Aiien CE Audus KL | 2003 | Adv Drug Deliv Rev2003，55，1： | 1 |
| 14 | Two Chinese families with Pendred's syndrome- radiological imaging of the ear and molecular analysis of the pendrin gene显示文摘 | Yong AM Goh SS Zhao Y | 2001 | J Clin Endocrinol Metab2001，86，： | 1 |
| 15 | Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones <ce:link locator='fx1'/>显示文摘 | Jeung Ho Heo Dae Hwan Kang Hyo Jin Jung Dae Sik Kwon Jin Kwang An Bo Suk Kim Kyung Duk Suh Sang Yong Lee Joo Ho Lee Gwang Ha Kim Tae Oh Kim Jeong Heo Geun Am Song Mong Cho | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 16 | Stereotactic radio- surgery toxicity in the treatment of intracanalicular acoustic neuromas: the Seattle Northwest gamma knife experienc 显示文摘 | emeulen S Yong R Posewitz Am | 1998 | Stereotact Funct Neurosurg1998，70，： | 1 |
| 17 | Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones <ce:link locator='fx1'/>显示文摘 | Jeung Ho Heo Dae Hwan Kang Hyo Jin Jung Dae Sik Kwon Jin Kwang An Bo Suk Kim Kyung Duk Suh Sang Yong Lee Joo Ho Lee Gwang Ha Kim Tae Oh Kim Jeong Heo Geun Am Song Mong Cho | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 18 | EMR for early gastric cancer in Korea: a multicenter retrospective study显示文摘 | Jae J. Kim Jun Haeng Lee Hwoon-Yong Jung Gin Hyug Lee Joo Yong Cho Chang Beom Ryu Hoon Jai Chun Jong Jae Park Wan Sik Lee Hyun Soo Kim Moon Gi Chung Jeong Seop Moon Seok Reyol Choi Geun Am Song Hyun Yong Jeong Sam Ryong Jee Sang Yong Seol Yong Bum Yoon | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 19 | Endoscopic sphincterotomy plus large-balloon dilation versus endoscopic sphincterotomy for removal of bile-duct stones <ce:link locator='fx1'/>显示文摘 | Jeung Ho Heo Dae Hwan Kang Hyo Jin Jung Dae Sik Kwon Jin Kwang An Bo Suk Kim Kyung Duk Suh Sang Yong Lee Joo Ho Lee Gwang Ha Kim Tae Oh Kim Jeong Heo Geun Am Song Mong Cho | 2007 | Gastrointestinal Endoscopy2007，，4： | 1 |
| 20 | Primary needle-knife fistulotomy for preventing post-endoscopic retrograde cholangiopancreatography pancreatitis:Importance of the endoscopist’s expertise level显示文摘BACKGROUND Needle-knife fistulotomy(NKF)is used as a rescue technique for difficult cannulation.However,the data are limited regarding the use of NKF for primary biliary cannulation,especially when performed by beginners.AIM To assess the effectiveness and safety of primary NKF for biliary cannulation,and the role of the endoscopist’s expertise level(beginner vs expert).METHODS We retrospectively evaluated the records of 542 patients with naïve prominent bulging papilla and no history of pancreatitis,who underwent bile duct cannulation at a tertiary referral center.The patients were categorized according to the endoscopist’s expertise level and the technique used for bile duct cannulation.We assessed the rates of successful cannulation and adverse events.RESULTS The baseline characteristics did not differ between the experienced and lessexperienced endoscopists.The incidence rate of post-endoscopic retrograde cholangiopancreatography(ERCP)pancreatitis(PEP)was significantly affected by the endoscopist’s expertise level in patients who received conventional cannulation with sphincterotomy(8.9%vs 3.4%for beginner vs expert,P=0.039),but not in those who received NKF.In the multivariable analysis,a lower expertise level of the biliary endoscopist(P=0.037)and longer total procedure time(P=0.026)were significant risk factor of PEP in patients who received conventional cannulation with sphincterotomy but only total procedure time(P=0.004)was significant risk factor of PEP in those who received NKF.CONCLUSION Primary NKF was effective and safe in patients with prominent and bulging ampulla,even when performed by less-experienced endoscopist.We need to confirm which level of endoscopist’s experience is needed for primary NKF through prospective randomized study. | Sung Yong Han Dong Hoon Baek Dong Uk Kim Chang Joon Park Young Joo Park Moon Won Lee Geun Am Song | 2021 | World Journal of Clinical Cases2021，9，17： | 0 |
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