J S Byeon
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View article: IPT-DCD: Interpolation Predictor for Teleoperation Under Dynamic Communication Delay Using Deep Learning Approach
IPT-DCD: Interpolation Predictor for Teleoperation Under Dynamic Communication Delay Using Deep Learning Approach Open
Teleoperation systems experience degraded control stability and safety due to dynamic communication delays. This study proposes an Interpolation Predictor for Teleoperation under Dynamic Communication Delay (IPT-DCD), a predictor that reco…
View article: Predicting Post-Liposuction Body Shape Using RGB Image-to-Image Translation
Predicting Post-Liposuction Body Shape Using RGB Image-to-Image Translation Open
The growing interest in weight management has elevated the popularity of liposuction. Individuals deciding whether to undergo liposuction must rely on a doctor’s subjective projections or surgical outcomes for other people to gauge how the…
View article: P0729 Comparative clinical outcomes of advanced therapy in bio-naïve versus bio-experienced patients hospitalized with Acute Severe Ulcerative Colitis: A retrospective cohort study
P0729 Comparative clinical outcomes of advanced therapy in bio-naïve versus bio-experienced patients hospitalized with Acute Severe Ulcerative Colitis: A retrospective cohort study Open
Background The characteristics of patients with acute severe ulcerative colitis (ASUC) in East Asia differ from those in Western countries. However, the clinical outcomes of ASUC treated with advanced therapies (ATs; biologics or small mol…
View article: P0633 Real World Outcomes of Upadacitinib Induction Therapy for Patient with Inflammatory Bowel Disease in Korea
P0633 Real World Outcomes of Upadacitinib Induction Therapy for Patient with Inflammatory Bowel Disease in Korea Open
Background Upadacitnib (UPA) has demonstrated efficacy and safety in both patients with Crohn’s disease (CD) and ulcerative colitis (UC) in pivotal clinical trials.1,2 Still, there is a lack of data on real-world effectiveness and safety o…
View article: P1236 Temporal trends in obesity and its prognostic impact in Korean patients with inflammatory bowel disease
P1236 Temporal trends in obesity and its prognostic impact in Korean patients with inflammatory bowel disease Open
Background In recent decades, there has been an escalation in the prevalence of obese patients with Inflammatory Bowel Disease (IBD).1-3 In addition, the correlation between Body Mass Index (BMI) at the time of diagnosis and the prognostic…
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: P334 The longitudinal analysis of fecal microbiota in response to ustekinumab treatment in patients with Crohn’s disease
P334 The longitudinal analysis of fecal microbiota in response to ustekinumab treatment in patients with Crohn’s disease Open
Background Emerging evidence supports that treatment of Crohn’s disease (CD) can alter the intestinal microbiota, which can play a significant role in the pathogenesis and therapeutic outcomes of CD. Ustekinumab (UST) has also been reporte…
View article: P259 Clinical characteristics and long-term disease course in patients with Crohn’s disease diagnosed by video capsule endoscopy; A retrospective multicentre matched case-control study
P259 Clinical characteristics and long-term disease course in patients with Crohn’s disease diagnosed by video capsule endoscopy; A retrospective multicentre matched case-control study Open
Background Video capsule endoscopy (VCE) is a non-invasive and accurate diagnostic modality that allows for direct visualization of the small intestinal mucosa in Crohn’s disease (CD). In rare cases, lesions not detected by other diagnosti…
View article: P525 Utilisation of endoscopic ultrasonography for submucosal cushion measurement to determine eligibility for endoscopic submucosal dissection in ulcerative colitis-associated dysplasia: A case series
P525 Utilisation of endoscopic ultrasonography for submucosal cushion measurement to determine eligibility for endoscopic submucosal dissection in ulcerative colitis-associated dysplasia: A case series Open
Background Endoscopic submucosal dissection (ESD) has gained traction as an effective therapy for ulcerative colitis (UC)-associated dysplasia, yet identifying fitting ESD candidates is challenging by substantial submucosal (SM) fibrosis f…
View article: P1069 One-year clinical outcomes of switching to subcutaneous infliximab in patients with inflammatory bowel disease on maintenance of intravenous infliximab therapy with or without remission: A multicentre cohort study
P1069 One-year clinical outcomes of switching to subcutaneous infliximab in patients with inflammatory bowel disease on maintenance of intravenous infliximab therapy with or without remission: A multicentre cohort study Open
Background An elective switching to the subcutaneous (SC) formulation of infliximab (IFX) has shown effectiveness and safety in patients with inflammatory bowel disease (IBD) on intravenous (IV) IFX maintenance therapy. However, data on lo…
View article: P366 Risk factors and outcomes of chronic antibiotic-refractory pouchitis in Korean ulcerative colitis patients: a single center retrospective study
P366 Risk factors and outcomes of chronic antibiotic-refractory pouchitis in Korean ulcerative colitis patients: a single center retrospective study Open
Background Chronic inflammation of the pouch after total proctocolectomy with ileal pouch-anal anastomosis (IPAA) remains a morbid complication in ulcerative colitis (UC). The goal of this study was to investigate risk factors and clinical…
View article: P239 Characteristics and outcomes of portal vein thrombosis in patients with Inflammatory Bowel Disease in Korea
P239 Characteristics and outcomes of portal vein thrombosis in patients with Inflammatory Bowel Disease in Korea Open
Background Portal vein thrombosis (PVT) is known to occur frequently in patients with inflammatory bowel disease (IBD), particularly when compounded by factors such as abdominal infection, IBD flares, or intra-abdominal surgery. However, P…
View article: P585 Effectiveness of Switching to Subcutaneous Infliximab in Ulcerative Colitis Patients Experiencing Intravenous Infliximab Failure
P585 Effectiveness of Switching to Subcutaneous Infliximab in Ulcerative Colitis Patients Experiencing Intravenous Infliximab Failure Open
Background Studies on elective switching to the subcutaneous (SC) formulation of infliximab revealed comparable efficacy and safety and higher infliximab level than those exhibited by intravenous (IV) infliximab. However, no studies have r…
View article: P143 Outcomes of ulcerative colitis-associated dysplasia patients treated with endoscopic submucosal dissection: An extended analysis of a single center cohort
P143 Outcomes of ulcerative colitis-associated dysplasia patients treated with endoscopic submucosal dissection: An extended analysis of a single center cohort Open
Background Total proctocolectomy has been recommended for patients with ulcerative colitis (UC)-associated dysplasia due to the risk of its progression to colorectal cancer or metachronous recurrence. Recently, endoscopic resection has bee…
View article: P659 Continuing or stopping 5-aminosalicylate in patients with Inflammatory Bowel Disease under anti-TNF therapy: A nationwide population-based study
P659 Continuing or stopping 5-aminosalicylate in patients with Inflammatory Bowel Disease under anti-TNF therapy: A nationwide population-based study Open
Background The clinical impact of continuing or stopping 5-aminosalicylate (5-ASA) after escalating to treatment with an anti-tumour necrosis factor (TNF) agent in patients with inflammatory bowel disease (IBD) is currently unclear. We aim…
View article: P762 Population Pharmacokinetic Model of Intravenous Infliximab in Korean Patients with Crohn’s Disease
P762 Population Pharmacokinetic Model of Intravenous Infliximab in Korean Patients with Crohn’s Disease Open
Background Infliximab (IFX), a monoclonal antibody approved for treating Crohn’s disease (CD), is known to show differing drug clearances in patients according to several clinical factors. However, information on the population pharmacokin…
View article: P448 Oral beclomethasone dipropionate as an add-on therapy and response prediction in Korean patients with ulcerative colitis
P448 Oral beclomethasone dipropionate as an add-on therapy and response prediction in Korean patients with ulcerative colitis Open
Background We aimed to investigate the efficacy of oral beclomethasone dipropionate (BDP) as an add-on therapy to concomitant drugs and to clarify the predictive factors for response to oral BDP in Korean patients with ulcerative colitis (…
View article: P560 Application of a clinical decision support tool for predicting outcomes with vedolizumab therapy in patients with inflammatory bowel disease: A KASID multicenter study
P560 Application of a clinical decision support tool for predicting outcomes with vedolizumab therapy in patients with inflammatory bowel disease: A KASID multicenter study Open
Background A clinical decision support tool (CDST) has been developed and validated for predicting outcomes of vedolizumab (VDZ) therapy for patients with Crohn’s disease (CD) and ulcerative colitis (UC), respectively. We aimed to validate…
View article: P803 The risk of spine and hip fracture in patients with inflammatory bowel diseases: a nationwide population-based study
P803 The risk of spine and hip fracture in patients with inflammatory bowel diseases: a nationwide population-based study Open
Background This nationwide population-based study sought to investigate the risk of spine and hip fracture in patients with inflammatory bowel diseases (IBD). Methods Using the 2007–2016 data from the Korean national health insurance claim…
View article: P782 Immune status to viral infectious diseases and associated factors in Korean patients with inflammatory bowel diseases
P782 Immune status to viral infectious diseases and associated factors in Korean patients with inflammatory bowel diseases Open
Background Data on the protective immune status against measles, mumps, rubella, varicella zoster virus (VZV), hepatitis A virus (HAV) and Epstein–Barr virus (EBV) infection among inflammatory bowel disease (IBD) patients is still lacking.…
View article: P274 The clinical significance of anastomotic ulcers after ileocolic resection to predict postoperative recurrence of Crohn’s disease
P274 The clinical significance of anastomotic ulcers after ileocolic resection to predict postoperative recurrence of Crohn’s disease Open
Background The Rutgeerts score (RS) is used to predict postoperative recurrence in Crohn’s disease (CD) patients after ileocolic resection primarily based on endoscopic finding at the neoterminal ileum. However, assessing anastomotic ulcer…
View article: P348 Clinical outcomes and response predictors of vedolizumab treatment for anti-TNF-failed patients with IBD in Korea: A prospective multicenter cohort study
P348 Clinical outcomes and response predictors of vedolizumab treatment for anti-TNF-failed patients with IBD in Korea: A prospective multicenter cohort study Open
Background Vedolizumab (VDZ) inhibits gut lymphocyte trafficking by binding to α4β7 integrin, which can be effective for patients with Crohn’s disease (CD) or ulcerative colitis (UC). We aimed to investigate the clinical outcomes and respo…
View article: DOP65 The association of faecal calprotectin level and combined mucosal and transmural healing in patients with Crohn’s disease
DOP65 The association of faecal calprotectin level and combined mucosal and transmural healing in patients with Crohn’s disease Open
Combined mucosal and transmural healing of inflammatory lesions in patients with Crohn’s disease (CD) are regarded as the predictor of favourable outcomes. However, non-invasive markers for predicting combined mucosal and transmural healin…
View article: P167 Long-term outcomes of cyclosporine A and infliximab treatment for the management of steroid-refractory acute severe ulcerative colitis
P167 Long-term outcomes of cyclosporine A and infliximab treatment for the management of steroid-refractory acute severe ulcerative colitis Open
In patients with steroid-refractory acute severe ulcerative colitis (SR-ASUC), cyclosporine A (CsA) or infliximab (IFX) are recommended as salvage therapy. However, long-term data comparing outcomes of these two therapies are still scarce.…
View article: P353 Clinical characteristics of ulcerative colitis associated with primary sclerosing cholangitis in Korea: An update
P353 Clinical characteristics of ulcerative colitis associated with primary sclerosing cholangitis in Korea: An update Open
Primary sclerosing cholangitis (PSC) is a chronic and progressive cholestatic disease of unknown aetiology associated with inflammatory bowel disease. The aim of this study is to identify the prevalence of PSC in patients with ulcerative c…
View article: P406 Clinical correlations of infliximab trough levels and antibodies to infliximab in Korean patients with Crohn's disease
P406 Clinical correlations of infliximab trough levels and antibodies to infliximab in Korean patients with Crohn's disease Open
Background: The clinical implications of infliximab trough levels (IFX-TLs) and antibodies to infliximab (ATI) levels in routine clinical practice are still being debated. Because limited data are available in Asian patients with inflammat…
View article: P148 Fecal calprotectin as a noninvasive indicator for ulcerative colitis disease activity in the Korean cohort
P148 Fecal calprotectin as a noninvasive indicator for ulcerative colitis disease activity in the Korean cohort Open
Background: The aim of this study was to evaluate the diagnostic role of fecal calprotectin (FC) as a noninvasive marker for the disease activity of ulcerative colitis (UC) in the Korean cohort. Methods: A total of 168 fecal samples were c…
View article: P263. Prognostic value of the magnitude of cytomegalovirus reactivation evaluated by immunohistochemistry in patients with ulcerative colitis
P263. Prognostic value of the magnitude of cytomegalovirus reactivation evaluated by immunohistochemistry in patients with ulcerative colitis Open
Background: Aim of the study was to identify independent predictors of a frequently relapsing ulcerative colitis (UC) during maintenance treatment with 5-ASA after having initial clinical remission with 5-ASA and/or steroids Methods: We re…
View article: P272. Azathioprine drug monitoring and faecal calprotectin levels in ulcerative colitis
P272. Azathioprine drug monitoring and faecal calprotectin levels in ulcerative colitis Open
Methods: Patients with confirmed IBD attending for endoscopic evaluation were invited to participate.Patients undergoing colonoscopy completed a 4-day food record diary before the procedure.Endoscopic activity was evaluated using the SES-C…
View article: P274. Malignancy in perianal Crohn’s disease
P274. Malignancy in perianal Crohn’s disease Open
Background: Cytomegalovirus (CMV) colitis can contribute to an unfavourable outcome of acute severe ulcerative colitis (ASUC).The purpose of our present study was to evaluate the clinical outcomes of ASUC according to CMV status, and ident…