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CHOI, GYU SEOG

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https://www.readbyqxmd.com/read/30467037/short-term-outcomes-after-laparoscopic-cytoreductive-surgery-in-patients-with-limited-peritoneal-metastases-from-colorectal-cancer
#1
Sang Hun Ha, Soo Yeun Park, Jun Seok Park, Hye Jin Kim, In Teak Woo, In Kyu Park, Jong Gwang Kim, Byung Woog Kang, Soo Jung Lee, Won Kee Lee, Gyu-Seog Choi
BACKGROUND: The purpose of this study was to investigate the safety of laparoscopic cytoreductive surgery versus open surgery for patients with limited peritoneal metastases from colorectal cancer. METHODS: Laparoscopic surgery for patients with colorectal cancer with peritoneal metastases has been performed at our institution since December 2004. We retrospectively evaluated data from patients with colorectal cancer metastatic to the peritoneum, with a peritoneal cancer index ≤10...
November 19, 2018: Surgery
https://www.readbyqxmd.com/read/30456502/long-term-oncologic-after-robotic-versus-laparoscopic-right-colectomy-a-prospective-randomized-study
#2
Jun Seok Park, Hyun Kang, Soo Yeun Park, Hye Jin Kim, In Teak Woo, In-Kyu Park, Gyu-Seog Choi
OBJECTIVE: The aim of this study was to compare the long-term outcomes of robot-assisted right colectomy (RAC) with those for conventional laparoscopy-assisted right surgery (LAC) for treating right-sided colon cancer. BACKGROUND: The enthusiasm for the robotic techniques has gained increasing interest in colorectal malignancies. However, the role of robotic surgery in the oncologic safety has not yet been defined. METHODS: From September 2009 to July 2011, 71 patients with right-sided colonic cancer were randomized in the study...
November 19, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/30448916/diagnostic-performance-of-mri-versus-mdct-categorized-t3cd-t4-for-identifying-high-risk-stage-ii-or-stage-iii-colon-cancers-a-pilot-study
#3
Soo Yeun Park, Seung Hyun Cho, Min A Lee, Ghilsuk Yoon, Hye Jin Kim, Jun Seok Park, Won Hwa Kim, So Mi Lee, Kyung-Min Shin, Hye Jung Kim, Gab Chul Kim, See Hyung Kim, Gyu-Seog Choi
PURPOSE: The aim of this study was to determine the diagnostic performance of magnetic resonance imaging (MRI)-categorized T3cd/T4 tumors for identifying high-risk stage II or stage III cancer in patients with curatively resectable colon cancer in comparison to that of multidetector computed tomography (MDCT). MATERIALS AND METHODS: Thirty-eight patients with histopathologically indicated adenocarcinomas prospectively underwent MRI of the colon. Two radiologists independently and retrospectively assessed for T-category, including T3 substage (≤ T3ab vs...
November 17, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/30422994/impact-of-chronic-total-occlusion-lesion-length-on-six-month-angiographic-and-2-year-clinical-outcomes
#4
Jihun Ahn, Seung-Woon Rha, ByoungGeol Choi, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Kareem Abdelshafi, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, EunJin Park, Jin Oh Na, Cheol Ung Choi, EungJu Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh, JinSu Byeon, SangHo Park, HyeYon Yu
BACKGROUND: Successful management of chronic total occlusion (CTO)by percutaneous coronary intervention (PCI) is known to be associated with better clinical outcomes than failed PCI. However, whether angiographic and clinical outcomes following PCI for long CTO lesions differ from those following PCI for short CTO lesions in the drug eluting stent (DES) era remains unknown. We therefore investigated whether CTO lesion length can significantly influence6-month angiographic and 2-year clinical outcomes following successful CTO PCI...
2018: PloS One
https://www.readbyqxmd.com/read/30419724/clinical-outcomes-of-a-redo-for-a-failed-colorectal-or-coloanal-anastomosis
#5
In Teak Woo, Jun Seok Park, Gyu-Seog Choi, Soo Yeun Park, Hye Jin Kim, In Kyu Park
PURPOSE: Redo surgery in patients with a persistent anastomotic failure (PAF) is a rare procedure, and data about this procedure are lacking. This study aimed to evaluate the surgical outcomes of redo surgery in such patients. METHODS: Patients who underwent a redo anastomosis for PAF from January 2004 to November 2016 were retrospectively evaluated. Data from a prospective colorectal database were analyzed. Success was defined as the combined absence of any anastomosis-related complications and a stoma at the last follow-up...
October 2018: Annals of Coloproctology
https://www.readbyqxmd.com/read/30344532/five-year-major-clinical-outcomes-between-first-generation-and-second-generation-drug-eluting-stents-in-acute-myocardial-infarction-patients-underwent-percutaneous-coronary-intervention
#6
Yong Hoon Kim, Ae-Young Her, Seung-Woon Rha, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Ju Yeol Baek, Woong Gil Choi, Tae Soo Kang, Ji Hoon Ahn, Sang-Ho Park, Ahmed Mashaly, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh
Background: There were limited data comparing the major clinical outcomes between first-generation (1G)-drug eluting stents (DES) and second-generation (2G)-DES in patients with acute myocardial infarction (AMI) after percutaneous coronary intervention (PCI) during very long follow-up periods. We thought to investigate the comparative efficacy and safety of 2G-DES compared with 1G-DES in AMI patients during 5-year follow-up periods. Method: A total of 1016 eligible AMI patients who underwent PCI with 1G-DES [paclitaxel-, sirolimus-, 1G-zotarolimus-eluting stent (endeavor® or endeavor sprint® ), n = 554] or 2G-DES [2G-zotarolimus (endeavor resolute® )- or everolimus-eluting stent, n = 462] were enrolled...
August 2018: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/30217375/effect-of-pitavastatin-compared-with-atorvastatin-androsuvastatin-on-new-onset-diabetes-mellitus-in-patientswith-acute-myocardial-infarction
#7
Jah Yeon Choi, Cheol Ung Choi, Soon-Young Hwang, Byoung Geol Choi, Won Young Jang, Do Young Kim, Woohyeun Kim, Eun Jin Park, Sunki Lee, Jin Oh Na, Jin Won Kim, Eung Ju Kim, Seung-Woon Rha, Chang Gyu Park, Hong Seog Seo, Sung-Chull Chae, Young Jo Kim, Myeong Chan Cho, Chong Jin Kim, Hyo-Soo Kim, Myung Ho Jeong
Although statin use in patients with acute myocardial infarction (AMI) is mandatory, it has been suggested to be associated with new-onset diabetes mellitus (NODM). In real world practice, moderate-intensity statin therapy is more commonly used than high-intensity statin therapy. In this study, we investigated the impact of moderate-intensity pitavastatin (2 to 4 mg) compared with moderate-intensity atorvastatin (10 to 20 mg) and rosuvastatin (5 to 10 mg) on the development of NODM during a follow-up period of up to 3years...
September 15, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/30170421/impact-of-left-ventricular-hypertrophy-on-long-term-clinical-outcomes-in-hypertensive-patients-who-underwent-successful-percutaneous-coronary-intervention-with-drug-eluting-stents
#8
Yong Hoon Kim, Ae-Young Her, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Man Jong Baek, Yang Gi Ryu, Yoonjee Park, Ahmed Mashaly, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Seung-Woon Rha
Left ventricular hypertrophy (LVH) is associated with increased risk for vascular events and mortality. This study investigated 8-year clinical outcomes of hypertensive patients with LVH who underwent percutaneous coronary intervention (PCI) with drug-eluting stents (DES) compared with hypertensive patients without LVH.A total of 1704 consecutive hypertensive patients who underwent PCI from 2004 to 2014 were enrolled. We classified them into either the LVH group (n = 406) or the control group (without LVH, n = 1298)...
August 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30056472/her2-status-in-patients-with-residual-rectal-cancer-after-preoperative-chemoradiotherapy-the-relationship-with-molecular-results-and-clinicopathologic-features
#9
Jun Seok Park, Ghilsuk Yoon, Hye Jin Kim, Soo Yeun Park, Gyu Seog Choi, Min Kyu Kang, Jong Gwang Kim, Jung-Sik Jang, An Na Seo
The specific role of human epidermal growth factor receptor-2 (HER2) status in rectal cancers remains unclear. This study therefore aimed to explore clinicopathologic and molecular characteristics, and prognostic value of HER2-positivity in residual mid- and/or low-rectal cancers after preoperative chemoradiotherapy (CRT). Surgical specimens from 145 patients with residual rectal cancer after preoperative CRT between January 2006 and January 2011 were used to evaluate HER2 status. HER2 protein expression and gene amplification were determined using immunohistochemistry (IHC) and silver in situ hybridization (SISH) on whole tissue sections, respectively...
October 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29869458/five-year-outcomes-of-successful-percutaneous-coronary-intervention-with-drug-eluting-stents-versus-medical-therapy-for-chronic-total-occlusions
#10
COMPARATIVE STUDY
Seung Woon Rha, Byoung Geol Choi, Man Jong Baek, Yang Gi Ryu, Hu Li, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh
PURPOSE: Many recent studies have reported that successful percutaneous coronary intervention (PCI) with drug-eluting stents (DESs) for chronic total occlusion (CTO) has more beneficial effects than failed CTO-PCI; however, there are only limited data available from comparisons of successful CTO-PCI with medical therapy (MT) in the Korean population. MATERIALS AND METHODS: A total of 840 consecutive CTO patients who underwent diagnostic coronary angiography, receiving either PCI with DESs or MT, were enrolled...
July 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29749131/the-impact-of-prediabetes-on-two-year-clinical-outcomes-in-patients-undergoing-elective-percutaneous-coronary-intervention
#11
COMPARATIVE STUDY
Woong Gil Choi, Seung Woon Rha, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo
PURPOSE: Prediabetes is an independent risk factor for cardiovascular disease. However, data on the long term adverse clinical outcomes of prediabetic patients undergoing percutaneous coronary intervention (PCI) with drug-eluting stents (DESs) are scarce. MATERIALS AND METHODS: The study population comprised 674 consecutive non-diabetic patients who underwent elective PCI between April 2007 and November 2010. Prediabetes was defined as hemoglobin A1c (HbA1c) of 5...
June 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29520442/cd274-lag3-and-ido1-expressions-in-tumor-infiltrating-immune-cells-as-prognostic-biomarker-for-patients-with-msi-high-colon-cancer
#12
Soo Jung Lee, Sun-Young Jun, In Hee Lee, Byung Woog Kang, Su Yeon Park, Hye Jin Kim, Jun Seok Park, Gyu-Seog Choi, Ghilsuk Yoon, Jong Gwang Kim
PURPOSE: This study attempted to reveal the prognostic impact of microsatellite instability-high (MSI-H) colon cancer with tumor-infiltrating immune cells (TIICs) and immune checkpoint protein expression, which are good candidates for immunotherapy. MATERIALS AND METHODS: The study included 89 patients with MSI-H colon cancer who underwent curative surgery at Kyungpook National University Chilgok Hospital. The expression status of specific inhibitory receptors, such as CD274 (programmed death-ligand 1, PD-L1), PDCD1 (programmed cell death 1, PD-1), cytotoxic T-lymphocyte-associated protein 4 (CTLA4), lymphocyte-activation gene 3 (LAG3), and indolamine 2'3'-dioxygenase 1 (IDO1), was retrospectively analyzed using immunohistochemistry (IHC)...
June 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29460997/the-impact-of-robotic-surgery-on-quality-of-life-urinary-and-sexual-function-following-total-mesorectal-excision-for-rectal-cancer-a-propensity-score-matched-analysis-with-laparoscopic-surgery
#13
H J Kim, G-S Choi, J S Park, S Y Park, C S Yang, H J Lee
AIM: Quality of life (QoL) and functional outcomes are at risk of being impaired after rectal surgery, but there has been no large prospective study to thoroughly assess QoL according to surgical approach. We have investigated the impact of laparoscopic and robotic total mesorectal excision (TME) on QoL and functional outcomes. METHOD: Patients undergoing laparoscopic or robotic TME for rectal cancer between 2009 and 2013 were prospectively included in this questionnaire-based survey of QoL together with variations in urinary and sexual function...
May 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29441337/a-novel-robotic-right-colectomy-for-colon-cancer-via-the-suprapubic-approach-using-the-da-vinci-xi-system-initial-clinical-experience
#14
Hee Jae Lee, Gyu-Seog Choi, Jun Seok Park, Soo Yeun Park, Hye Jin Kim, In Teak Woo, In Kyu Park
Purpose: We developed a technique of totally-robotic right colectomy with D3 lymphadenectomy and intracorporeal anastomosis via a suprapubic transverse linear port. This article aimed to introduce our novel robotic surgical technique and assess the short-term outcomes in a series of five patients. Methods: All colectomies were performed using the da Vinci Xi system. Four robot trocars were placed transversely in the supra pubic area. Totally-robotic right colectomy was performed, including colonic mobilization, D3 lymphadenectomy, and intra corporeal stapled functional anastomosis...
February 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29428458/routine-angiographic-follow-up-versus-clinical-follow-up-in-patients-with-diabetes-following-percutaneous-coronary-intervention-with-drug-eluting-stents-in-korean-population
#15
Yong Hoon Kim, Ae-Young Her, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Yoonjee Park, Man Jong Baek, Yang Gi Ryu, Ahmed Mashaly, Won Young Jang, Woohyeun Kim, Eun Jin Park, Jah Yeon Choi, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Seung-Woon Rha
AIMS: The usefulness of routine angiographic follow-up (RAF) and clinical follow-up (CF) after percutaneous coronary intervention (PCI) in patients with diabetes is not well understood. We compare 3-year clinical outcomes of RAF and CF in diabetic patients underwent PCI with drug-eluting stents (DES). METHODS: A total of 843 patients with diabetes who underwent PCI with DES were enrolled. RAF was performed at 6-9 months after PCI (n = 426). Rest of patients were medically managed and clinically followed (n = 417); symptom-driven events were captured...
April 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29407892/the-impact-of-myocardial-bridge-on-coronary-artery-spasm-and-long-term-clinical-outcomes-in-patients-without-significant-atherosclerotic-stenosis
#16
Purumeh Nam, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh, Seung-Woon Rha
BACKGROUND AND AIMS: Myocardial bridge (MB) and coronary artery spasm (CAS) can induce a sustained chest pain, acute coronary syndrome (ACS) and even sudden cardiac death. The aim of this study is to evaluate the relationship between MB and CAS and its impact on long-term clinical outcomes. METHODS: A total of 812 patients with MB without significant coronary artery disease (CAD), who underwent acetylcholine (ACH) provocation test, were enrolled. Significant CAS was defined as ≥70% temporary narrowing by ACH test, and MB was defined as the characteristic phasic systolic compression of the coronary artery with a decrease of more than 30% in diameter on the angiogram after intracoronary nitroglycerin infusion...
March 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29366125/the-impact-of-acetylcoline-provoked-coronary-artery-spasm-on-long-term-prognosis-of-previous-coronary-revascularization
#17
Eun Mi Lee, Hong Seog Seo, Kyeong Ho Yun, Cheol Ung Choi, Jin Won Kim, Hong Euy Lim, Eung Ju Kim, Seung-Woon Rha, Chang Gyu Park, Dong Joo Oh
No abstract text is available yet for this article.
August 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29365553/impact-of-endothelial-dysfunction-by-fmd-on-long-term-outcomes-of-coronary-artery-spasm-induced-by-acetylcholine-provocation-test-eas-2017
#18
Eun Mi Lee, Hong Seog Seo, Kyeong Ho Yun, Byoung Geol Choi, Cheol Ung Choi, Jin Won Kim, Hong Euy Lim, Eung Ju Kim, Seung-Woon Rha, Chang Gyu Park, Dong Joo Oh
No abstract text is available yet for this article.
August 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29347473/visual-evaluation-of-surface-anchoring-strength-by-electrohydrodynamic-convection-of-a-nematic-liquid-crystal
#19
Gyu Jin Choi, Jae Min Song, Chul Gyu Jhun, Jong-Hoon Huh, Jin Seog Gwag
Visual evaluation of the surface anchoring energies in a nematic liquid crystal (LC) cell is characterized by the direction of the convection roll pattern that appears in the low-frequency conduction regime. The convection roll pattern in a twisted nematic LC (TNLC) cell is oriented perpendicular to the midplane LC director dominating the direction of convection flow, and its direction is determined by the relative surface anchoring energy between two surface boundaries. Thus the direction of the roll pattern generated at the TNLC cell with asymmetric LC alignment layers can provide information on the surface anchoring energies at the two boundaries...
October 2017: Physical Review. E
https://www.readbyqxmd.com/read/29334505/the-association-of-chronic-air-pollutants-with-coronary-artery-spasm-vasospastic-angina-and-endothelial-dysfunction
#20
Byoung Geol Choi, Jiwon Lee, Suhng Wook Kim, Min Woo Lee, Man Jong Baek, Yang Gi Ryu, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh, Seung-Woon Rha
BACKGROUND: We evaluated the effect of chronic exposure to air pollutants (APs) on coronary endothelial function and significant coronary artery spasm (CAS) as assessed by intracoronary acetylcholine (ACH) provocation test. PATIENTS AND METHODS: A total of 6430 patients with typical or atypical chest pain who underwent intracoronary ACH provocation test were enrolled. We obtained data on APs from the Korean National Institute of Environmental Research (http://www...
June 2018: Coronary Artery Disease
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