8,049 results match your criteria: "Ajou University School of Medicine[Affiliation]"

Introduction: Patients with cancer experience physical, mental, and social pain that affects themselves and their families. The increasing cancer incidence and advances in treatment have increased the number of cancer survivors in Korea, and there is an influx of patients in Seoul and other metropolitan areas, leading to shortages of continuous care and comprehensive life support facilities. Patients must travel long distances for treatment, which poses logistical and quality-of-life challenges.

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Several toxic metals have been associated with metabolic diseases like obesity and diabetes mellitus (DM) in humans. However, knowledge regarding the influence of many trace elements, especially in combination with essential elements is limited. This study aims to address this research gap by investigating the associations of both non-essential and essential inorganic trace elements in urine with DM and obesity, employing a group of postmenopausal women (n = 851) from the Korean Genome and Epidemiology Study (KoGES) cohort.

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Background: This study aimed to investigate initial experiences and outcomes of a retrograde inserted new silicone-covered metallic ureteric stent (Urexel™) for malignant ureteric obstruction.

Methods: We retrospectively reviewed the medical records for 12 consecutive patients who underwent Urexel™ stent placement for malignant ureteric obstruction from March 2020 to March 2021. The Urexel™ stent is a segmental metallic ureteric stent composed of a nitinol mesh covered with a silicone membrane.

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Background: This study aimed to evaluate real-world data on the differences in outcomes between antiplatelet (AP) and anticoagulation (AC) therapies for intracranial arterial dissection (IAD).

Methods: This study included patients with symptomatic unruptured IAD between 2010 and 2021 that were treated with anti-thrombotics. Patients were dichotomized to AC and AP based on a treatment policy analysis.

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Background: Accurate discrimination of functionally significant coronary stenosis using intravascular imaging remains uncertain, particularly with regard to vessel size. This meta-analysis evaluates the diagnostic performance of intravascular ultrasound (IVUS) and optical coherence tomography (OCT) for identifying functionally significant coronary stenosis as confirmed by fractional flow reserve (FFR).

Methods: A systematic search of PubMed, Scopus and Google Scholar identified studies that assessed the diagnostic accuracy of IVUS and OCT by minimal luminal area (MLA) with FFR as the reference standard.

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Parkinson's disease has long been considered a disorder that primarily affects the brain, as it is defined by the dopaminergic neurodegeneration in the substantia nigra and the brain accumulation of Lewy bodies containing alpha-synuclein protein. In recent decades, however, accumulating research has revealed that Parkinson's disease also involves the gut and uncovered an intimate and important bidirectional link between the brain and the gut, called the "gut-brain axis." Numerous clinical studies demonstrate that gut dysfunction frequently precedes motor symptoms in Parkinson's disease patients, with findings including impaired intestinal permeability, heightened inflammation, and distinct gut microbiome profiles and metabolites.

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Background: Precautionary allergen labeling (PAL) is mandatory and legally regulated in Korea. This study aims to investigate the frequency of PAL use in food products, evaluate its competence, and seek direction for improvement.

Methods: Cow's milk (CM) and hen's egg white (EW) protein concentrations were measured using an enzyme-linked immunosorbent assay (ELISA).

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The head-up tilt (HUT) test assesses both cardiovascular autonomic regulation and cerebral autoregulation. This exploratory study examined age-related changes in cardiovascular and cerebrovascular responses during the HUT test in three healthy cohorts (young, middle-aged, and elderly). We recruited 2342 neurologist-diagnosed 'normal' individuals from 18 June 2014 to 25 February 2022.

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This study investigated the diagnostic capabilities of two AI-based tools, M4CXR (research-only version) and ChatGPT-4o, in chest X-ray interpretation. M4CXR is a specialized cloud-based system using advanced large language models (LLMs) for generating comprehensive radiology reports, while ChatGPT, built on the GPT-4 architecture, offers potential in settings with limited radiological expertise. This study evaluated 826 anonymized chest X-ray images from Inha University Hospital.

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Genomic Insights into the Role of cAMP in Carotenoid Biosynthesis: Enhancing β-Carotene Production in via Deletion.

Int J Mol Sci

November 2024

Department of Molecular Science and Technology, Advanced College of Bio-Convergence Engineering, Ajou University, Woncheon-dong, Yeongtong-gu, Suwon 16499, Republic of Korea.

The gamma-ray-induced random mutagenesis of an engineered β-carotene-producing XL1-Blue resulted in the variant Ajou 45, which exhibits significantly enhanced β-carotene production. The whole-genome sequencing of Ajou 45 identified 55 mutations, notably including a reduction in the copy number of , encoding adenylate cyclase, a key enzyme regulating intracellular cyclic AMP (cAMP) levels. While the parental XL1-Blue strain harbors two copies of , Ajou 45 retains only one, potentially leading to reduced intracellular cAMP concentrations.

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Background: Growth hormone (GH) treatment is effective in restoring normal growth in children with GH deficiency (GHD). However, individual responses to GH treatment vary, necessitating predictive models to estimate growth outcomes. This study aimed to develop and validate a predictive model for GH treatment response during the first 2 years in patients with idiopathic GHD using the LG growth study (LGS) database.

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Purpose: This study evaluated the efficacy, safety, pharmacodynamics (PD), pharmacokinetics (PK), and immunogenicity of SB16 versus reference denosumab (DEN) up to 18 months in postmenopausal osteoporosis (PMO) patients, and assessed outcomes after switching from DEN to SB16 compared to those who continued with DEN or SB16.

Methods: 457 PMO patients were initially randomized, with 407 re-randomized at Month 12 to either continue DEN (DEN+DEN), switch to SB16 (DEN+SB16), or continue SB16 (SB16 + SB16) through Month 18. Efficacy was assessed by the percent change from baseline in bone mineral density (BMD) at the lumbar spine, total hip, and femoral neck.

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Article Synopsis
  • - A 27-year-old female with a decade-long history of Crohn's disease was diagnosed with both Fabry disease (FD) and IgA nephropathy (IgAN) after presenting with kidney issues, including microscopic hematuria and proteinuria.
  • - Kidney biopsy results showed characteristics of IgAN, such as mesangial matrix widening, and electron microscopy revealed findings consistent with both IgAN and FD.
  • - The diagnosis of FD was confirmed by low enzyme activity, leading to the start of enzyme replacement therapy; this case is notable as the first documented occurrence of FD, IgAN, and Crohn's disease coexisting in one patient.
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Introduction: Recently, "body-first" and "brain-first" subtype in Parkinson's disease (PD) was proposed based on the propagation of α-synuclein. In isolated RBD considered as a premotor stage of body-first PD, α-synuclein was supposed to originate in the enteric nervous system and spreads via autonomic nervous system. Therefore, we hypothesized that body-first PD is more likely to have a delayed gastric emptying time and reduced cardiac sympathetic denervation.

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Introduction And Objectives: The short-term mortality of severe alcoholic hepatitis (SAH) is high, but there are no effective treatments to improve short-term mortality other than corticosteroids. This study investigated the effects of adding rifaximin to standard treatment in patients with SAH.

Material And Methods: In this randomized controlled open-label trial, patients with SAH (Maddrey's discriminant function≥32) were randomized to the rifaximin or control group.

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Background: Non-radical management is an option for good responders to neoadjuvant chemoradiotherapy in mid-to-low rectal cancer. This study aimed to analyze risk factors for lymph node metastasis in patients with ypT2 rectal cancer, exploring the possibility of non-radical management.

Methods: We included patients with ypT2 rectal cancer who received neoadjuvant chemoradiotherapy followed by total mesorectal excision between January 2004 and December 2022.

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Background: The capacity to anticipate future health issues is important for both policy makers and practitioners in the USA, as such insights can facilitate effective planning, investment, and implementation strategies. Forecasting trends in disease and injury burden is not only crucial for policy makers but also garners substantial interest from the general populace and leads to a better-informed public. Through the integration of new data sources, the refinement of methodologies, and the inclusion of additional causes, we have improved our previous forecasting efforts within the scope of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) to produce forecasts at the state and national levels for the USA under various possible scenarios.

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Background: RNA modifications, a central aspect of epitranscriptomics, add a regulatory layer to gene expression by modifying RNA function without altering nucleotide sequences. These modifications play vital roles across RNA species, influencing RNA stability, translation, and interaction dynamics, and are regulated by specific enzymes that add, remove, and interpret these chemical marks.

Objective: This review examines the role of aberrant RNA modifications in cancer progression, exploring their potential as diagnostic and prognostic biomarkers and as therapeutic targets.

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Purpose: Since the coronavirus disease 2019 (COVID-19) pandemic, the educational environment has moved toward online-based education, which may significantly impact medical students' educational experiences. However, the same events may be understood differently by different individuals depending on their personalities. Therefore, the changing educational environment during the COVID-19 pandemic may not have been perceived equally by all students.

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Predictors of self-care performance in patients with unruptured intracranial aneurysms.

Sci Rep

December 2024

College of Nursing, Research Institute of Nursing Science, Ajou University, 164 World cup-ro, Yeongtong-gu, Suwon, Republic of Korea.

Article Synopsis
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Leveraging deep transfer learning and explainable AI for accurate COVID-19 diagnosis: Insights from a multi-national chest CT scan study.

Comput Biol Med

December 2024

Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon, 16419, Gyeonggi-do, Republic of Korea. Electronic address:

The COVID-19 pandemic has emerged as a global health crisis, impacting millions worldwide. Although chest computed tomography (CT) scan images are pivotal in diagnosing COVID-19, their manual interpretation by radiologists is time-consuming and potentially subjective. Automated computer-aided diagnostic (CAD) frameworks offer efficient and objective solutions.

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Trauma during pregnancy poses a potentially tragic risk to both the fetus and mother, making its management particularly challenging. Here, we present the case of a 35-year-old woman at 34 weeks and 2 days gestation who was in a motor vehicle accident and subsequently suffered placental abruption and underwent an emergency cesarean section. We also present a review of traumatic placental abruption and its epidemiology.

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Minimally invasive surgery versus open surgery in advanced stage endometrial cancer.

J Obstet Gynaecol Res

January 2025

Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, Republic of Korea.

Aim: Staging surgery in early stage endometrial cancer has been shown to be feasible and safe with minimally invasive surgery (MIS) in many previous studies. However, there is limited literature on MIS's safety in advanced stages. This study aims to identify factors associated with survival in stage III endometrial cancer and investigate survival differences based on surgical approach.

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Article Synopsis
  • Gastroesophageal Reflux Disease (GERD) leads to stomach contents flowing back into the esophagus, which may also affect ear health through the Eustachian tube.
  • A study of over 669,000 South Korean patients found a strong link between GERD and the occurrence of tinnitus, suggesting that the ear issues could be related to reflux problems.
  • However, treating GERD with proton pump inhibitors did not significantly lower the chances of developing tinnitus in these patients.*
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