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Analysis of HLA types with cytomegalovirus-specific cell mediated immunity in seropositive kidney transplant candidates

Lee H, Kang H, Yun S, Ryu JH, Bae H, Lee J, Ko GY, Oh EJ

Background: Cytomegalovirus (CMV)-specific cell-mediated immunity (CMV-CMI) is variable in CMV-seropositive (R+) individuals and has been defined as a predictive biomarker of CMV infection after kidney transplantation (KT). We analyzed whether...
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Analysis of specificity of expressed transcripts according to clinical results after kidney transplantation

Bae H, Ryu JH, Lee J, Ko GY, Park HS, Oh EJ

Background: After kidney transplantation, approximately 30% of patients develop BK viremia and 7% develop BK nephropathy. We performed transcriptome-based clustering at the single-cell level to identify these patients to be...
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Percutaneous Transhepatic Treatment of Benign Bile Duct Strictures Using Retrievable Covered Stents: Long-Term Outcomes in 148 Patients

Im BS, Gwon DI, Chu HH, Kim JH, Ko GY, Yoon HK

Objective: To investigate the long-term outcomes of percutaneous treatment of benign biliary strictures using temporary placement of a retrievable expanded polytetrafluoroethylene (PTFE) covered stent. Materials and Methods: We retrospectively analyzed the...
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Effect of Stent Placement on Survival in Patients with Malignant Portal Vein Stenosis: A Propensity Score–Matched Study

Shim DJ, Kim JW, Kim D, Ko GY, Gwon DI, Shin JH, Yang YJ

Objective: Percutaneous portal vein (PV) stent placement can be an effective treatment for symptoms associated with portal hypertension. This study aimed to evaluate the effect of PV stenting on the...
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Cellular and genetic signatures of operational tolerance in kidney transplant recipients through single cell RNA sequencing analysis

Bae H, Lee H, Ryu JH, Jang JH, Lee J, Ko GY, Yang CW, Chung BH, Oh EJ

Background: Patients with operational tolerance do not use immunosuppressants after renal transplantation, but they show stable post-transplant results as stable patients with immunosuppressants. We analyzed differently expressed mRNAs and proteins...
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Usability of intraoperative cine-portogram during liver transplantation in young pediatric patients with biliary atresia

Hwang S, Namgoong JM, Ko GY, Oh SH, Kim KM

Background: Pediatric patients with biliary atresia (BA) often present liver cirrhosis-associated portal hypertension and portal vein hypoplasia. For successful liver transplantation (LT), maintenance of sufficient portal inflow is essential through...
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The Application of Interventional Radiology in Living-Donor Liver Transplantation

Ko GY, Sung KB, Gwon DI

Owing to improvements in surgical techniques and medical care, living-donor liver transplantation has become an established treatment modality in patients with end-stage liver disease. However, various vascular or non-vascular complications...
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Perceptions of the Risk of Cardiovascular Disease in Middle-aged Male Taxi Drivers: Focus Group Interviews

Park SJ, Ko GY, Park BJ

Purpose: This study aimed to comprehensively examine middle-aged male taxi drivers' perceptions of the risk of cardiovascular disease. Methods: A qualitative method was used, with focus group interviews. The participants...
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Hepatic atrophy treatment with portal vein embolization to control intrahepatic duct stenosis-associated cholangitis

Hwang S, Ko GY, Gwon DI

We present two cases of hepatic atrophy treatment with portal vein embolization (PVE) to control intractable cholangitis. The first case was a 60-year-old male who was admitted for repeated episodes of...
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Percutaneous Biliary Metallic Stent Insertion in Patients with Malignant Duodenobiliary Obstruction: Outcomes and Factors Influencing Biliary Stent Patency

Kwon JH, Gwon DI, Kim JW, Chu HH, Kim JH, Ko GY, Yoon HK, Sung KB

Objective: To investigate the technical and clinical efficacy of the percutaneous insertion of a biliary metallic stent, and to identify the factors associated with biliary stent dysfunction in patients with...
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Right trisectionectomy with en bloc portal vein resection for cholangiocarcinoma after preoperative stenting for main portal vein occlusion

Hwang S, Ko GY

Deprivation of portal blood flow decreases the hepatic function, thus hepatobiliary cancer patients with total occlusion of the main portal vein (PV) are usually not indicated for major hepatectomy. We...
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Percutaneous Thrombin Injection for the Treatment of Post-Procedural Iatrogenic Pseudoaneurysms

Park S, Shin JH, Ko GY, Gwon DI, Ko HK, Kim JW

PURPOSE: To report our clinical experience of thrombin injection for iatrogenic pseudoaneurysms of peripheral arteries with or without balloon dilatation and coil embolization as adjunctive techniques. MATERIALS AND METHODS: A total...
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Types of Parenting of Fathers during Early Childhood: A Q Methodological Approach

Park SJ, Choi EY, Ko GY, Park BS, Park BJ

PURPOSE: The purpose of this study was to examine types of parenting among fathers. The characteristics of parenting each type in early childhood were identified by systematically analyzing and classifying...
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Efficacy and clinical outcomes of angiography and transcatheter arterial embolization for gastrointestinal bleeding in Crohn's disease

Kim M, Shin JH, Kim PH, Ko GY, Yoon HK, Ko HK

BACKGROUND: To retrospectively investigate the use of angiography as a diagnostic tool and evaluate technical and clinical efficacy of transcatheter arterial embolization (TAE) in Crohn's disease-related gastrointestinal (GI) bleeding. METHODS: Institutional...
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Clinical Outcomes of a Preoperative Inferior Vena Cava Filter in Acute Venous Thromboembolism Patients Undergoing Abdominal-Pelvic Cancer or Orthopedic Surgery

Kim H, Han Y, Ko GY, Jeong MJ, Choi K, Cho YP, Kwon TW

PURPOSE: Surgery is the most common risk factor for pulmonary embolism (PE) in patients with a recent venous thromboembolism (VTE). This study reviewed clinical outcomes of preoperative inferior vena cava...
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Long-term complete response after transcatheter arterial chemoembolization and stereotactic body radiation therapy in a patient with hepatocellular carcinoma at the caudate lobe

Chung YK, Hwang S, Ko GY, Yoon SM

It is expected that a combination of transcatheter arterial chemoembolization (TACE) with stereotactic body radiation therapy (SBRT) may induce synergistic therapeutic effects in hepatocellular carcinoma (HCC), which would result in...
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Percutaneous Metallic Stent Placement for Palliative Management of Malignant Biliary Hilar Obstruction

Shim DJ, Gwon DI, Han K, Kim Y, Ko GY, Shin JH, Ko HK, Kim JH, Kim JW, Yoon HK, Sung KB

OBJECTIVE: To investigate the outcomes of percutaneous metallic stent placements in patients with malignant biliary hilar obstruction (MBHO). MATERIALS AND METHODS: From January 2007 to December 2014, 415 patients (mean age,...
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Double-Stent System with Long Duodenal Extension for Palliative Treatment of Malignant Extrahepatic Biliary Obstructions: A Prospective Study

Gwon DI, Ko GY, Kim JW, Ko HK, Yoon HK, Sung KB

OBJECTIVE: To investigate the technical safety and clinical efficacy of a double-stent system with long duodenal extension in patients with malignant extrahepatic biliary obstruction. MATERIALS AND METHODS: This prospective study enrolled...
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Plug-Assisted Retrograde Transvenous Obliteration for the Treatment of Gastric Varices: The Role of Intra-Procedural Cone-Beam Computed Tomography

Gwon DI, Ko GY, Kwon YB, Yoon HK, Sung KB

OBJECTIVE: To investigate the technical and clinical outcomes of plug-assisted retrograde transvenous obliteration (PARTO) for the treatment of gastric varices (GV) and to evaluate the role of intra-procedural cone-beam computed...
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Efficacy of Prophylactic Uterine Artery Embolization before Obstetrical Procedures with High Risk for Massive Bleeding

Ko HK, Shin JH, Ko GY, Gwon DI, Kim JH, Han K, Lee SW

OBJECTIVE: To evaluate the safety and efficacy of prophylactic uterine artery embolization (UAE) before obstetrical procedures with high risk for massive bleeding. MATERIALS AND METHODS: A retrospective review of 29 female...
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