Clinical Characteristics and Long-Term Prognosis of Colorectal Mucosa-Associated Lymphoid Tissue Lymphoma According to the Endoscopic Classification and Treatment Modality: A Multicenter Study.

: The clinical characteristics of colorectal mucosa-associated lymphoid tissue (MALT) lymphoma remain poorly defined, and there is no standardized treatment for the disease. Therefore, we investigated the clinical characteristics of colorectal MALT lymphoma and its prognosis based on different treatment modalities. : A retrospective analysis was performed on patients diagnosed with colorectal MALT lymphoma from 2003 to 2021 across six hospitals in Korea's Busan-Ulsan-Gyeongnam area.

Clinical Significance of Diabetes in Asymptomatic Individuals with Zero Coronary Artery Calcium Score.

The clinical significance of diabetes mellitus (DM) on the cardiovascular disease in the zero coronary artery calcium (CAC) group is not well studied. This study investigated the impact of DM in an asymptomatic population with zero CAC scores. Overall, 9269 adults who received coronary computed tomography angiography (CCTA) scans for coronary disease evaluation during a general medical checkup were initially selected.

Mavacamten for Left Ventricular Outflow Tract Obstruction After Successful Transcatheter Aortic Valve Implantation.

Hemodynamically significant left ventricular outflow tract obstruction is a rare complication of transcatheter aortic valve implantation (TAVI). This study presents an unusual case of a patient who, after a successful TAVI, developed and experienced progressive worsening of severe left ventricular outflow tract obstruction after uneventful TAVI that was effectively relieved using mavacamten.

Incidence and clinical impact of coronary artery disease confirmed by coronary CT angiography in patients with interstitial lung disease.

Background: Patients with interstitial lung disease (ILD) who undergo routine chest computed tomography (CT) often have findings suggestive of coronary artery disease (CAD). However, the incidence and prognostic impact of significant CAD, confirmed by coronary CT angiography (CCTA), are not well established.

Methods: From January 2013 to February 2024, we evaluated 215 patients from a retrospective ILD registry at our institute, who underwent CCTA as part of ILD management.

Efficacy and safety of rebamipide/nizatidine in patients with erosive gastritis: A randomized, multicenter, phase 4 study.

Background: For the treatment of gastritis, rebamipide, a mucoprotective agent, and nizatidine, a gastric acid suppressant, are commonly employed individually.

Aim: To compare the efficacy of Mucotra SR (rebamipide 150 mg) and Axid (nizatidine 150 mg) combination therapy with the sole administration of Axid in managing erosive gastritis.

Methods: A total of 260 patients diagnosed with endoscopically confirmed erosive gastritis were enrolled in this open-label, multicenter, randomized, phase 4 clinical trial, allocating them into two groups: Rebamipide/nizatidine combination twice daily nizatidine twice daily for 2 weeks.

Safety and Feasibility of Robot-Assisted Percutaneous Coronary Intervention Using the AVIAR 2.0 System: A Prospective, Multi-Center, Single-Arm, Open, Investigator-Initiated, Post-Approval Clinical Trial.

Background And Objectives: Traditional manual percutaneous coronary intervention (PCI) exposes operators to significant radiation and physical stress. The recently developed Advanced Vascular Intervention Assist Robot (AVIAR) 2.0 system in South Korea aimed to overcome these issues by evaluating its safety and feasibility in a clinical setting.

Long-term impacts of complete revascularization on clinical outcomes in patients with coronary chronic total occlusion.

The impact of complete revascularization (CR), achieved through the recanalization of coronary chronic total occlusions (CTOs), on long-term patient outcomes remains uncertain. To evaluate this in patients who achieved CR after CTO-PCI with those who did not due to deferred CTO-PCI, the Asan Medical Center Registry was reviewed to identify coronary artery disease (CAD) patients with CTOs treated between January 2003 and December 2018. Patients were included with single-vessel disease with CTO and with multivessel disease who had undergone revascularization for non-CTO lesions.

Safety and Efficacy of Pivot-Balloon for Severe Tricuspid Regurgitation: The First-in-Man Experiences.

Background And Objectives: Among various emerging catheter-based treatments for severe tricuspid regurgitation (TR), the spacer device can reduce the regurgitation orifice without manipulating the valve leaflet. However, its clinical application has been hampered by traumatic anchoring to the myocardium and the coaxial alignment of the balloon resulting in insufficient TR reduction. This study aimed to evaluate the early-stage safety, technical feasibility, and preliminary efficacy of the novel atraumatic vertical spacer in patients with isolated severe TR.

Efficacy of Second-Line Biological Therapies in Moderate to Severe Ulcerative Colitis Patients with Prior Failure of Anti-Tumor Necrosis Factor Therapy: A Multi-Center Study.

Background: Few studies have compared the efficacy and safety of second-line biological therapies in ulcerative colitis (UC) patients with prior exposure to anti-tumor necrosis factor (TNF) therapy. We aim to compare the efficacy and safety between ustekinumab, vedolizumab, and tofacitinib, a current option as second-line biological therapy with different mechanisms in those patients.

Methods: This retrospective multi-center study was conducted across five institutions from 2011 to 2022.

Clinical impact of deep learning-derived intravascular ultrasound characteristics in patients with deferred coronary artery.

Prognostic markers for long-term outcomes are lacking in patients with deferred (nonculprit) coronary artery lesions. This study aimed to identify the morphological criteria for predicting adverse outcomes and validate their clinical impact. Using deep learning models, we extracted geometrical parameters and maximal attenuation (or calcium) burden index (ABI-max or CBI-max) from the intravascular ultrasound (IVUS) images of nonculprit vessels in 1115 patients.

A Machine Learning-Based Diagnostic Model for Crohn's Disease and Ulcerative Colitis Utilizing Fecal Microbiome Analysis.

Recent research has demonstrated the potential of fecal microbiome analysis using machine learning (ML) in the diagnosis of inflammatory bowel disease (IBD), mainly Crohn's disease (CD) and ulcerative colitis (UC). This study employed the sparse partial least squares discriminant analysis (sPLS-DA) ML technique to develop a robust prediction model for distinguishing among CD, UC, and healthy controls (HCs) based on fecal microbiome data. Using data from multicenter cohorts, we conducted 16S rRNA gene sequencing of fecal samples from patients with CD ( = 671) and UC ( = 114) while forming an HC cohort of 1462 individuals from the Kangbuk Samsung Hospital Healthcare Screening Center.

Incidence of invasive fungal diseases in inflammatory bowel disease patients: A nationwide study in South Korea.

Background: Limited reports exist regarding invasive fungal diseases (IFDs) in inflammatory bowel disease (IBD) patients.

Objectives: This study aims to investigate the incidence and risk factors of IFDs, specifically invasive candidiasis, aspergillosis and pneumocystosis, in IBD patients in South Korea using nationwide data.

Patients/methods: A population-based retrospective cohort of 42,913 IBD patients between January 2010 and December 2018 was evaluated using the Health Insurance Review and Assessment database.

Blood Concentrations of Lead, Cadmium, and Mercury Are Associated With Alcohol-Related Liver Disease.

Background: An association between environmental pollutants and alcohol-related liver disease (ALD) has not been determined until now. The objectives of this study were to examine the association of the pollutants with ALD, and whether the pollutants together increased the risk of ALD.

Methods: Data were extracted from the Korea National Health and Nutrition Examination Survey (2010-2013 and 2016-2017; n = 11,993).

Risk of malignancies and chemopreventive effect of statin, metformin, and aspirin in Korean patients with ulcerative colitis: a nationwide population-based study.

Background/aims: We investigated the incidences of overall and site-specific malignancies and chemopreventive effects of statin, metformin, and aspirin in patients with ulcerative colitis.

Methods: We collected data using the Health Insurance Review and Assessment claims database from January 2007 to April 2020.

Results: The overall malignancy risk among the 35,189 ulcerative colitis patients was similar to that of the general population (standardized incidence ratio, 0.

Usage trends of colorectal endoscopic submucosal dissection according to hospital types based on nationwide claims data.

Although the use of colorectal endoscopic submucosal dissection (ESD) for colorectal lesions has increased, there is a lack of analysis of the recent usage trends of ESD. Thus, this study aimed to identify changes in the annual utilization of ESD and determine the proportion of surgeries after ESD according to hospital types. Using Health Insurance Review and Assessment data from 2012 to 2019, 26,502 colorectal ESD cases were analyzed to assess the annual usage trends of ESD according to hospital type, additional early and late surgeries after ESD, changes in the distribution of colorectal lesions, and factors associated with early and late surgery.

Enrichment of Activated Fibroblasts as a Potential Biomarker for a Non-Durable Response to Anti-Tumor Necrosis Factor Therapy in Patients with Crohn's Disease.

We investigated whether the response to anti-tumor necrosis factor (anti-TNF) treatment varied according to inflammatory tissue characteristics in Crohn's disease (CD). Bulk RNA sequencing (RNA-seq) data were obtained from inflamed and non-inflamed tissues from 170 patients with CD. The samples were clustered based on gene expression profiles using principal coordinate analysis (PCA).

Age- and Sex-Specific Disparities in Outcomes After Ticagrelor Versus Clopidogrel in East Asian Patients.

It is unknown whether there are age- and gender-related differences in the safety and efficacy of potent P2Y12 inhibitors in East Asian populations with a different bleeding or ischemic propensity. Using data from the TICAKOREA (Ticagrelor Versus Clopidogrel in Asian/Korean Patients with ACS Intended for Invasive Management) trial comparing ticagrelor versus clopidogrel for 800 Korean patients with acute coronary syndrome, the safety and efficacy outcomes were compared according to age (<75 vs ≥75 years) and gender (men vs women). The primary bleeding end point was clinically significant bleeding, and the primary ischemic end point was a major adverse cardiovascular event (MACE) at 12 months.

Antifungal and Antiaflatoxigenic Activities of Massoia Essential Oil and C10 Massoia Lactone against Aflatoxin-Producing .

Fungal infection and mycotoxin contamination are major hazards to the safe storage and distribution of foods and feeds consumed by humans and livestock. This study investigated the antifungal and antiaflatoxigenic activities of massoia essential oil (MEO) and its major constituent, C10 massoia lactone (C10), against aflatoxin B (AFB)-producing ATCC 22546. Their antifungal activities were evaluated using a disc diffusion assay, agar dilution method, and a mycelial growth inhibition assay with the AFB analysis using liquid chromatography triple quadrupole mass spectrometry.

Early left atrial venting versus conventional treatment for left ventricular decompression during venoarterial extracorporeal membrane oxygenation support: The EVOLVE-ECMO randomized clinical trial.

Aims: Few studies have reported data on the optimal timing of left ventricular (LV) unloading during venoarterial extracorporeal membrane oxygenation (VA-ECMO) for cardiac arrest or shock. This study evaluated the feasibility of an early LV unloading strategy compared with a conventional strategy in VA-ECMO.

Methods And Results: Between December 2018 and August 2022, 60 patients at two institutions were randomized in a 1:1 ratio to receive early (n = 30) or conventional (n = 30) LV unloading strategies.

Regulatory Variants on the Leukocyte Immunoglobulin-Like Receptor Gene Cluster are Associated with Crohn's Disease and Interact with Regulatory Variants for TAP2.

Background And Aims: Crohn's disease [CD] has a complex polygenic aetiology with high heritability. There is ongoing effort to identify novel variants associated with susceptibility to CD through a genome-wide association study [GWAS] in large Korean populations.

Methods: Genome-wide variant data from 902 Korean patients with CD and 72 179 controls were used to assess the genetic associations in a meta-analysis with previous Korean GWAS results from 1621 patients with CD and 4419 controls.