A Reum Choe
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View article: Role and Activities of the Ethics and Legislation Committee of the Korean Society of Gastroenterology: Introduction to Medical Appraisal and the Medical Dispute Casebook
Role and Activities of the Ethics and Legislation Committee of the Korean Society of Gastroenterology: Introduction to Medical Appraisal and the Medical Dispute Casebook Open
The increasing complexity of medical care and growing patient awareness have resulted in a consistent rise in the number of medical disputes, highlighting the urgent necessity for fair and expert medical evaluations. The Ethics and Legisla…
View article: Clinical insights into duodenal-type follicular lymphoma: case series study
Clinical insights into duodenal-type follicular lymphoma: case series study Open
In Asia, widespread early detection through endoscopic screening has resulted in higher diagnosis rates of asymptomatic duodenal-type follicular lymphoma (DFL). However, no standardized guidelines exist for diagnosing and managing DFL, and…
View article: Enhancing the Predictions of Cytomegalovirus Infection in Severe Ulcerative Colitis Using a Deep Learning Ensemble Model: Development and Validation Study
Enhancing the Predictions of Cytomegalovirus Infection in Severe Ulcerative Colitis Using a Deep Learning Ensemble Model: Development and Validation Study Open
Background Cytomegalovirus (CMV) reactivation in patients with severe ulcerative colitis (UC) leads to worse outcomes; yet, early detection remains challenging due to the reliance on time-intensive biopsy procedures. Objective This study e…
View article: P0200 Evaluating the efficacy of tonsil-derived mesenchymal stem cells and intestinal stem cells-like cells in modulating fibrosis and inflammation in murine colitis models
P0200 Evaluating the efficacy of tonsil-derived mesenchymal stem cells and intestinal stem cells-like cells in modulating fibrosis and inflammation in murine colitis models Open
Background Current treatments in inflammatory bowel disease (IBD) primarily target inflammation, but effective anti-fibrotic treatments are limited. This study evaluates the therapeutic potential of tonsil derived mesenchymal stem cell (TM…
View article: P0072 Unveiling mesenteric and intestinal changes in Crohn’s disease: insights into fibrosis from surgical specimens
P0072 Unveiling mesenteric and intestinal changes in Crohn’s disease: insights into fibrosis from surgical specimens Open
Background Recent studies have emphasized the role of mesenteric changes, including creeping fat, alongside intestinal alterations in the progression of Crohn's disease (CD). This study aims to investigate intestinal fibrosis and mesenteri…
View article: The role of PD-1/PD-L1 pathway in ulcerative colitis and changes following tonsil-derived mesenchymal stem cells treatment
The role of PD-1/PD-L1 pathway in ulcerative colitis and changes following tonsil-derived mesenchymal stem cells treatment Open
Background/Aims: The programmed death 1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway has not been fully evaluated in inflammatory bowel disease. We evaluated PD-1/PD-L1 levels in patients with ulcerative colitis (UC) and their signific…
View article: Systematic Review and Meta‐Analysis: Bismuth Enhances the Efficacy for Eradication of <i>Helicobacter pylori</i>
Systematic Review and Meta‐Analysis: Bismuth Enhances the Efficacy for Eradication of <i>Helicobacter pylori</i> Open
Background In the eradication of Helicobacter pylori , the efficacy of bismuth remains inconclusive. We aimed to compare the efficacy of bismuth on various H. pylori eradication regimens. Methods Randomized controlled trials were collected…
View article: Enhancing the predictions of cytomegalovirus infection in severe ulcerative colitis using a deep learning ensemble model (Preprint)
Enhancing the predictions of cytomegalovirus infection in severe ulcerative colitis using a deep learning ensemble model (Preprint) Open
BACKGROUND Cytomegalovirus (CMV) reactivation is common among patients with severe ulcerative colitis (UC), resulting in poorer prognoses than patients without CMV reactivation. The principal diagnostic approach for CMV involves biopsies,…
View article: Different modifiable risk factors for the development of non-advanced adenoma, advanced adenomatous lesion, and sessile serrated lesions, on screening colonoscopy
Different modifiable risk factors for the development of non-advanced adenoma, advanced adenomatous lesion, and sessile serrated lesions, on screening colonoscopy Open
The development of premalignant colorectal polyps is significantly influenced by various lifestyle and modifiable risk factors. In our study, we used a large cohort of 9025 patients, who underwent screening colonoscopies at a university ho…
View article: P157 Differentiation of Tonsil-derived mesenchymal stem cells to intestinal stem cells-like cells for cell therapy of inflammatory bowel disease
P157 Differentiation of Tonsil-derived mesenchymal stem cells to intestinal stem cells-like cells for cell therapy of inflammatory bowel disease Open
Background Tonsil-derived mesenchymal stem cells (TMSCs) were found to exhibit a faster growth rate compared to mesenchymal stem cells derived from other tissues. This is attributed to the relatively younger age of the tonsil tissue donors…
View article: P441 Optimization of deep learning architectures for differentiating cytomegalovirus infection in severe ulcerative colitis
P441 Optimization of deep learning architectures for differentiating cytomegalovirus infection in severe ulcerative colitis Open
Background Cytomegalovirus (CMV) reactivation is common in patients with severe ulcerative colitis (UC). Patients with UC exacerbated by reactivated CMV experience worse prognoses than those without CMV reactivation. However, CMV is primar…
View article: Using a Deep Learning Model to Address Interobserver Variability in the Evaluation of Ulcerative Colitis (UC) Severity
Using a Deep Learning Model to Address Interobserver Variability in the Evaluation of Ulcerative Colitis (UC) Severity Open
The use of endoscopic images for the accurate assessment of ulcerative colitis (UC) severity is crucial to determining appropriate treatment. However, experts may interpret these images differently, leading to inconsistent diagnoses. This …
View article: Using a Deep Learning Model to Address Interobserver Variability in the Evaluation of Ulcerative Colitis (UC) Severity
Using a Deep Learning Model to Address Interobserver Variability in the Evaluation of Ulcerative Colitis (UC) Severity Open
The use of endoscopic images for the accurate assessment of ulcerative colitis (UC) severity is crucial to determining appropriate treatment. However, experts may interpret these images differently, leading to inconsistent diagnoses. This …
View article: A practical approach for small bowel bleeding
A practical approach for small bowel bleeding Open
Gastrointestinal (GI) bleeding is one of the most common conditions among patients visiting emergency departments in Korea. GI bleeding is divided into upper and lower GI bleeding, according to the bleeding site. GI bleeding is also divide…
View article: P258 The association between dietary quality and disease severity in Korean young adult patients with Crohn’s disease: A pilot study
P258 The association between dietary quality and disease severity in Korean young adult patients with Crohn’s disease: A pilot study Open
Background Although associations between various single nutrients and exacerbation of inflammatory bowel disease (IBD) have been reported, more recent attention has focused on overall dietary patterns and quality rather than a single nutri…
View article: P050 Intraperitoneally injected 3-dimensional cultured tonsil-derived mesenchymal stem cells in murine colitis model form aggregates with mouse immune cells: A preliminary study
P050 Intraperitoneally injected 3-dimensional cultured tonsil-derived mesenchymal stem cells in murine colitis model form aggregates with mouse immune cells: A preliminary study Open
Background 3-dimensional (3D) cultured tonsil-derived mesenchymal stem cells (TMSCs) showed higher therapeutic efficacy in murine colitis model than conventional 2D-cultured TMSCs via increased anti-inflammatory cytokine expression. Here, …
View article: P088 Restoration of gut microbiota and changes in inflammatory susceptibility by dextran sulfate sodium after antibiotic treatment in mice
P088 Restoration of gut microbiota and changes in inflammatory susceptibility by dextran sulfate sodium after antibiotic treatment in mice Open
Background It has been suggested that changes in gut microbiota have an important effect on the development of inflammatory bowel disease (IBD). In studies using germ-free mice, it has been reported that the absence of microbiota rarely ca…
View article: A Case of Intramural Gastric Wall Abscess, a Rare Disease Successfully Treated with Endoscopic Incision and Drainage
A Case of Intramural Gastric Wall Abscess, a Rare Disease Successfully Treated with Endoscopic Incision and Drainage Open
Gastric wall abscess is a rare condition characterized by a purulent inflammatory process resulting in the formation of a pocket of pus in the stomach. As the mucosa is usually intact, it requires various tools such as endoscopic ultrasono…
View article: P049 The treatment effect of tonsil-derived mesenchymal stem cells (T-MSCs) via regulating programmed death-1/programmed death ligand-1 (PD-1/PD-L1) in ulcerative colitis
P049 The treatment effect of tonsil-derived mesenchymal stem cells (T-MSCs) via regulating programmed death-1/programmed death ligand-1 (PD-1/PD-L1) in ulcerative colitis Open
Background The programmed death 1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway has not been fully evaluated in inflammatory bowel disease. We evaluated the level of PD-1/PD-L1 in the mucosa of patients with ulcerative colitis and revea…
View article: Association of Physical Activity with the Risk of Hepatocellular Carcinoma in Patients with Chronic Hepatitis B
Association of Physical Activity with the Risk of Hepatocellular Carcinoma in Patients with Chronic Hepatitis B Open
Background and Aims: In the general population, previous studies reported that physical activity was associated with risk of hepatocellular carcinoma (HCC) development. However, it is unclear whether physical activity is associated with ri…
View article: Small Bowel Necrosis Associated with Catastrophic Antiphospholipid Syndrome: A Case Report
Small Bowel Necrosis Associated with Catastrophic Antiphospholipid Syndrome: A Case Report Open
Catastrophic antiphospholipid syndrome is a highly fatal condition characterized by widespread thromboembolism subsequent to a triggering factor (e.g., infection, trauma, and neoplasia) in antiphospholipid antibody-positive patients. This …
View article: Characteristics, Location, and Clinical Outcomes of Gastrointestinal Bleeding in Patients Taking New Oral Anticoagulants Compared to Vitamin K Antagonists
Characteristics, Location, and Clinical Outcomes of Gastrointestinal Bleeding in Patients Taking New Oral Anticoagulants Compared to Vitamin K Antagonists Open
New oral anticoagulants (NOACs) are commonly used in clinical practice as alternatives to vitamin K antagonists (VKA). However, the etiology, clinical course, and risk of gastrointestinal (GI) bleeding remain unclear. We aimed to evaluate …
View article: Treatment of direct oral anticoagulants in patients with liver cirrhosis and portal vein thrombosis
Treatment of direct oral anticoagulants in patients with liver cirrhosis and portal vein thrombosis Open
Although patients with cirrhosis are known to be in a state of “rebalance” in that pro- and anticoagulant factors increase the risk for both bleeding and thrombosis, the prevalence of portal vein thrombosis (PVT) in patients with cirrhosis…
View article: Cost-Effectiveness, Efficacy, and Safety Analysis of Tailored Therapy in Patients with Helicobacter pylori Infection
Cost-Effectiveness, Efficacy, and Safety Analysis of Tailored Therapy in Patients with Helicobacter pylori Infection Open
Recently in Korea, where triple therapy is accepted as the first-line Helicobacter pylori (H. pylori) eradication treatment, antibiotic resistance to clarithromycin has increased considerably, resulting in eradication rates of less than 80…
View article: Clinical Associations between Serial Electrocardiography Measurements and Sudden Cardiac Death in Patients with End-Stage Renal Disease Undergoing Hemodialysis
Clinical Associations between Serial Electrocardiography Measurements and Sudden Cardiac Death in Patients with End-Stage Renal Disease Undergoing Hemodialysis Open
The rate of sudden cardiac death (SCD) for hemodialysis (HD) patients is significantly higher than that observed in the general population and have the highest risk for arrhythmogenic death. In this multi-center study, patients starting he…
View article: Clinical Associations Between Serial Electrocardiography Measurements and Sudden Cardiac Death in Patients with End-Stage Renal Disease Undergoing Hemodialysis: Multi-Center, Retrospective Cohort Study
Clinical Associations Between Serial Electrocardiography Measurements and Sudden Cardiac Death in Patients with End-Stage Renal Disease Undergoing Hemodialysis: Multi-Center, Retrospective Cohort Study Open
BackgroundThe rate of sudden cardiac death (SCD) for hemodialysis (HD) patients is significantly higher than that observed in the general population and have the highest risk for arrhythmogenic death. In this study, we examined serial elec…