Publications by authors named "S-T Park"

Objective: Central sensitization (CS) is associated with quality of life (QOL) after total knee arthroplasty (TKA). However, how CS changes after TKA and whether these changes have clinical relevance remain unclear. Therefore, this study was conducted to identify changes in CS after TKA and to assess the clinical significance of these changes.

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Background: Gastric cancer remains a significant global health challenge, characterized by poor prognosis and high mortality rates. Mitotic integrity and genomic stability are crucial in maintaining cellular homeostasis and preventing tumorigenesis. The transcription factor NKX6.

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Background: NF2-related schwannomatosis (NF2-SWN) is associated with multiple benign tumors in the nervous system. NF2-SWN, caused by mutations in the NF2 gene, has developed into intracranial and spinal schwannomas. Because of the high surgical risk and frequent recurrence of multiple tumors, targeted therapy is necessary.

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Background Application of multimodal large language models (LLMs) with both textual and visual capabilities has been steadily increasing, but their ability to interpret radiologic images is still doubted. Purpose To evaluate the accuracy of LLMs and compare it with that of human readers with varying levels of experience and to assess the factors affecting LLM accuracy in answering Image Challenge cases. Materials and Methods Radiologic images of cases from October 13, 2005, to April 18, 2024, were retrospectively reviewed.

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The effects of the intergenerational continuity of adverse childhood experiences (ACEs) on youth outcomes have been documented, particularly among mother-child dyads. Most literature has focused on the continuity of family-level ACEs (Traditional ACEs [T-ACEs]) and not community-level ACEs (Expanded ACEs [E-ACEs]) that disproportionately impact minoritized individuals. We aimed to (a) examine the effect of mothers' and fathers' T-ACEs and E-ACEs on youth's T-ACEs and E-ACEs, respectively, and on youth's depressive and anxiety symptoms; (b) examine whether youth's own ACE exposure explains the link between parental ACEs and youth depressive and anxiety symptoms; and (c) explore differential risks by mothers versus fathers.

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  • Metabolic-dysfunction associated steatohepatitis (MASH) is linked to conditions like obesity and diabetes, leading to liver problems and cardiovascular disease, but identifying it in patients can be difficult.* -
  • Researchers developed targeted peptide radiotracers for PET imaging to visualize changes in macrophage populations in the liver of mice with MASH, observing a decrease in resident macrophages and an increase in recruited ones during disease progression.* -
  • The study found a strong correlation between the PET imaging results and tissue analysis, suggesting that these radiotracers could be useful for non-invasive diagnostics and monitoring of MASH in humans.*
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Introduction: Optimizing vascular access for hemodialysis in end-stage kidney disease is crucial. While arteriovenous fistulas (AVFs) are preferred for better patency and fewer complications, many patients require alternatives options like arteriovenous grafts (AVGs) due to anatomical constraints. This study compares outcomes between elbow and upper arm (UA) basilic veins for forearm loop AVGs, highlighting the potential benefits of the UA basilic vein to improve patency and feasibility in patients with poor elbow veins through retrospective analysis.

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Purpose: To evaluate the clinical usefulness of a deep learning-based detection device for multiple abnormal findings on retinal fundus photographs for readers with varying expertise.

Methods: Fourteen ophthalmologists (six residents, eight specialists) assessed 399 fundus images with respect to 12 major ophthalmologic findings, with or without the assistance of a deep learning algorithm, in two separate reading sessions. Sensitivity, specificity, and reading time per image were compared.

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Trastuzumab deruxtecan (T-DXd) is a human epidermal growth factor receptor 2 (HER2)-targeting antibody drug conjugate that has remarkable activity in HER2-positive cancers. However, the degree of benefit of T-DXd is not uniform among solid tumors even with high levels of HER2. Despite high HER2 expression, the HER2/T-DXd complex may not always undergo internalization and payload release dependent on the receptor's conformation and context.

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In the commercial swine farm setting, the postweaning period is a critical window during which piglets are highly susceptible to infection and enterotoxigenic E. coli (ETEC)-associated diarrhea. Short-chain fatty acids and their glycerides are compounds that may influence intestinal health; however, valerate is one that has not been well-characterized for its role as a dietary supplement.

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This study examines the efficacy of photovoltaic (PV) recycling processes and technologies for the recovery of high-purity silicon powder from waste solar modules. In order to facilitate the simplification of complex processes, such as the conventional nitric acid dissolution, solvent and ultrasonic irradiation, and solvent dissolution, a variety of mechanical separation processes have been established. These processes are designed to enhance the efficiency and effectiveness of the aforementioned processes.

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  • The Genome in a Bottle Consortium (GIAB) is creating matched tumor-normal samples that are publicly consented for sharing genomic data and cell lines, focusing on pancreatic ductal adenocarcinoma (PDAC).
  • They provide a comprehensive genomic dataset from the first individual, combining high-depth DNA from tumor and normal cells using advanced whole genome sequencing technologies.
  • This open-access resource aims to help develop benchmarks for detecting genetic variants in cancer, fostering innovation in genome measurement and analysis tools.
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The COVID-19 pandemic has significantly influenced various aspects of society, including environmental factors such as methane emissions. This study investigates the changes in methane concentrations in Seoul, South Korea, from 2019 to 2023, using TROPOMI satellite data and rigorous statistical analyses. The normality of the sample data is first assessed using the Shapiro-Wilk (S-W) and Kolmogorov-Smirnov (K-S) tests, indicating that the data can be considered to come from a normal distribution.

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  • One third of organ donors experience catastrophic brain injury (CBI), but there’s no standardized management for traumatic CBI among trauma centers, leading to variability in practices.
  • A multicenter trial involving 33 trauma centers analyzed 790 CBI patients to investigate whether institutions with CBI guidelines had higher organ donation rates.
  • While centers with CBI guidelines showed greater use of certain treatments, the presence of guidelines did not significantly increase organ donation rates; however, hormone therapies were linked to a higher likelihood of donation.
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Objective: This study investigated the neurocognitive characteristics of patients who visited an outpatient clinic requesting diagnosis and treatment for adult attention-deficit/hyperactivity disorder (ADHD).

Methods: The patients' electronic medical records were retrospectively reviewed. Neurocognitive test results were compared using Student's t-test according to their chief complaint, depressive symptoms, childhood history, and intelligence quotient (IQ).

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Photothermal therapy is an alternative cancer therapy that uses a photothermal agent with light irradiation to induce fatal hyperthermia in cancer cells. In a previous study, we found that ex vivo photothermal (PT) treatment induced expression of heat shock proteins (HSPs), such as HSP70, HSP27, and HSP90, in cancer cells; moreover, immunization with lysates from PT-treated tumor cells resulted in significant tumor growth inhibition in tumor-bearing mice. In this study, we hypothesized that sublethal PT treatment of antigen-presenting cells regulates their immunogenicity.

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  • A study forecasts a 91.2% increase in crude cardiovascular disease (CVD) mortality in Asia from 2025 to 2050, despite a 23.0% decrease in the age-standardized mortality rate.
  • Ischaemic heart disease and stroke will remain the top causes of mortality, with Central Asia experiencing the highest mortality rates while high systolic blood pressure is identified as the leading risk factor across most of Asia.
  • The research highlights the need for targeted health interventions due to the significant variations in CVD burden across different regions in Asia.
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Neglecting indoor air quality in exposure assessments may lead to biased exposure estimates and erroneous conclusions about the health impacts of exposure and environmental health disparities. This study assessed these biases by comparing two types of personal exposure estimates for 100 individuals: one derived from real-time particulate matter (PM) measurements collected both indoors and outdoors using a low-cost portable air monitor (GeoAir2.0) and the other from PurpleAir sensor network data collected exclusively outdoors.

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  • A study assessed the 1-year treatment of nilotinib in patients with autosomal dominant spinocerebellar ataxia (ADSCA), focusing on treatment efficacy and safety.
  • Although the average ataxia severity, measured by the SARA score, did not significantly improve for the overall group, 62.5% of participants were considered 'responsive' based on score improvements.
  • Serum proteomic analysis identified specific proteins that may help predict which patients are likely to respond to nilotinib, suggesting potential pathways for improving treatment strategies for ADSCA.
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  • * The disease is linked to mutations in the NF2 gene, which disrupts the function of the Merlin protein, a crucial tumor suppressor that influences cell behavior, leading to tumor growth.
  • * The review highlights potential therapeutic options, including molecular therapies that target signaling pathways or proteins involved in tumorigenesis, aiming to improve treatment approaches for NF2 syndrome.
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  • - The authors introduce a new guideline called the Checklist for Artificial Intelligence in Medical Imaging (CLAIM) to keep up with the fast changes in AI technology in healthcare.
  • - The 2024 Update emphasizes the necessary standards and recommendations for integrating AI tools into medical imaging practices effectively.
  • - This initiative aims to ensure that AI applications are safe, reliable, and beneficial for improving patient care in medical imaging.
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This study investigated intraocular pressure (IOP) in Dutch belted rabbits using two different tonometers, rebound tonometry (TonoVet Plus; TVP) and a Tonopen (Tono-Pen AVIA Vet; TPA). Post-pubescent male Dutch belted rabbits aged 36 weeks (n = 10 animals) were used in the study. IOP measurements were conducted every 2 weeks for 22 weeks using TVP and TPA on both eyes of each rabbit.

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Objective: Although pediatric otolaryngology providers are reported to garner lower patient satisfaction than adults, this difference is not well characterized. This study investigates whether patient satisfaction differences exist in providers who treat both pediatric and adult patients.

Study Design: Retrospective review.

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Objective And Background: This research aimed to examine the role of C-X-C motif chemokine ligand 5 (CXCL5) and C-X-C motif chemokine ligand 8 (CXCL8; also known as IL-8) in neutrophilic inflammation triggered by peri-implantitis and to shed light on the underlying mechanisms that link them to the development of this condition.

Materials: This study included 40 patients who visited the Department of Periodontology at Kyungpook University Dental Hospital. They were divided into two groups based on their condition: healthy implant (HI) group (n = 20) and peri-implantitis (PI) group (n = 20).

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Background: Radiolucencies found at the root apex in patients with cemento-osseous dysplasia (COD) may be mistaken for periapical cysts (PC) of endodontic origin. The purpose of this study was to examine the utility of quantitative texture analysis using cone-beam computed tomography (CBCT) to differentiate between COD and PC.

Methods: Patients who underwent CBCT at Wonkwang University Daejeon Dental Hospital between January 2019 and December 2022 and were diagnosed with COD and PC by clinical, radiologic, and, if necessary, histopathologic examination were included.

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