Sung‐Han Kim
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View article: ST8 and ST72 Methicillin-Resistant S. aureus Bacteremia in Korea: A Comparative Analysis of Clinical and Microbiological Characteristics
ST8 and ST72 Methicillin-Resistant S. aureus Bacteremia in Korea: A Comparative Analysis of Clinical and Microbiological Characteristics Open
Methicillin-resistant Staphylococcus aureus (MRSA) remains a major cause of bloodstream infection worldwide. In Korea, sequence type (ST) 72 has predominated, whereas ST8, including the USA300 lineage, has recently emerged. Comparative dat…
View article: Varicella‐Zoster Virus‐Specific Cell‐Mediated Immune Response Kinetics and Latent Viral Load Depending on Aging
Varicella‐Zoster Virus‐Specific Cell‐Mediated Immune Response Kinetics and Latent Viral Load Depending on Aging Open
Herpes zoster (HZ), an infection caused by varicella‐zoster virus (VZV) reactivation, results from an age‐related decline in VZV‐specific cell‐mediated immunity (CMI). Digital droplet PCR (ddPCR) precisely quantifies latent VZV DNA in the …
View article: CT Findings for Differentiating Pulmonary Mucormycosis From Invasive Pulmonary Aspergillosis, Prior to Invasive Procedure Such as a Biopsy or Surgery: A 22‐Year Single‐Center Experience
CT Findings for Differentiating Pulmonary Mucormycosis From Invasive Pulmonary Aspergillosis, Prior to Invasive Procedure Such as a Biopsy or Surgery: A 22‐Year Single‐Center Experience Open
Objectives Computed tomography (CT) plays a critical role in the early detection and diagnosis of pulmonary invasive mould infection. This study aimed to compare the CT findings of proven invasive pulmonary aspergillosis (IPA) and proven p…
View article: Carbapenemase-Producing <i>Enterobacteriaceae</i> Colonization and the Risk of Carbapenemase-Producing <i>Enterobacteriaceae</i> Bacteremia in Hematopoietic Stem Cell Transplant Recipients
Carbapenemase-Producing <i>Enterobacteriaceae</i> Colonization and the Risk of Carbapenemase-Producing <i>Enterobacteriaceae</i> Bacteremia in Hematopoietic Stem Cell Transplant Recipients Open
Background Carbapenemase-producing Enterobacteriaceae (CPE) are globally concerning pathogens due to limited therapeutic options. Despite the increasing incidence of CPE infections, evidence supporting effective empirical treatments for in…
View article: Cytokine profiles associated with persisting symptoms of post-acute sequelae of COVID-19
Cytokine profiles associated with persisting symptoms of post-acute sequelae of COVID-19 Open
Background/Aims: Post-acute sequelae of COVID-19 (PASC) are highly heterogeneous; therefore, the pathophysiological mechanisms for PASC remain unclear. In this study, we aimed to examine the immunologic aspects of various PASC symptoms.Met…
View article: Risk and Distribution of Metastatic Infections by Primary Infection Focus in <i>Staphylococcus aureus</i> Bacteremia
Risk and Distribution of Metastatic Infections by Primary Infection Focus in <i>Staphylococcus aureus</i> Bacteremia Open
Background Staphylococcus aureus bacteremia (SAB) is a significant cause of morbidity and mortality, with a high risk of metastatic infections. Understanding the timing and distribution of metastatic infections based on the primary infecti…
View article: The clinical impact of prolonged steroid therapy in severe COVID-19 patients: a retrospective cohort study with propensity score matching
The clinical impact of prolonged steroid therapy in severe COVID-19 patients: a retrospective cohort study with propensity score matching Open
Prolonged steroid therapy beyond 10 days did not improve survival or other clinical outcomes in patients with severe COVID-19, suggesting that early steroid withdrawal may be appropriate for selected patients.
View article: Spatial variability of sediment oxygen consumption and benthic nutrient fluxes in the continental shelf of the Southern Yellow Sea during spring
Spatial variability of sediment oxygen consumption and benthic nutrient fluxes in the continental shelf of the Southern Yellow Sea during spring Open
To understand the factors controlling organic carbon (OC) and nutrient cycling in continental shelf sediments, we estimated total sediment oxygen uptake (TOU) and benthic nutrient flux (BNF) in the Southern Yellow Sea (SYS) during spring. …
View article: Thermally Triggered Double Emulsion‐Integrated Hydrogel Microparticles for Multiplexed Molecular Diagnostics (Adv. Sci. 12/2025)
Thermally Triggered Double Emulsion‐Integrated Hydrogel Microparticles for Multiplexed Molecular Diagnostics (Adv. Sci. 12/2025) Open
Double Emulsion‐Integrated Hydrogel Microparticles
View article: Initial and peak serum levels of Krebs von den Lungen-6 for predicting the prognosis of patients with COVID-19
Initial and peak serum levels of Krebs von den Lungen-6 for predicting the prognosis of patients with COVID-19 Open
Background/Aims: Krebs von den Lungen-6 (KL-6) is associated with prognosis in patients with COVID-19. However, there is limited data on the correlation between the prognosis of COVID-19 and varying KL-6 levels at different time points. We…
View article: Clinical and microbiological analysis of risk factors for breakthrough bloodstream infection during Tigecycline Therapy
Clinical and microbiological analysis of risk factors for breakthrough bloodstream infection during Tigecycline Therapy Open
In cases where there is a high suspicion of breakthrough BSI during tigecycline therapy, meticulous management and prudent selection of empirical antibiotics are crucial due to the diverse range of causative microorganisms involved.
View article: P-2012. Predicting Persistent SARS-CoV-2 Shedding in Immunocompromised Patients: A Probability-Based Approach
P-2012. Predicting Persistent SARS-CoV-2 Shedding in Immunocompromised Patients: A Probability-Based Approach Open
Background Prolonged SARS-CoV-2 shedding frequently occurs in immunocompromised patients, making the determination of their isolation periods challenging. This study aims to estimate the probability of viral clearance in immunocompromised …
View article: P-1026. Predictors of Consolidations, Such as Non-Round Image Pattern, in CT Findings in Patients with Invasive Mold Pneumonia
P-1026. Predictors of Consolidations, Such as Non-Round Image Pattern, in CT Findings in Patients with Invasive Mold Pneumonia Open
Background CT is important to diagnose pulmonary invasive mold infection (PIMI). According to 2008 European Organization for Research and Treatment of Cancer (EORTC) criteria, dense, well-circumscribed lesion(s) was listed, but the recent …
View article: P-2308. Effect of Antibiotic Therapy on Preventing Subsequent Urinary Tract Infection in Early Kidney Transplant Recipients with Asymptomatic Bacteriuria
P-2308. Effect of Antibiotic Therapy on Preventing Subsequent Urinary Tract Infection in Early Kidney Transplant Recipients with Asymptomatic Bacteriuria Open
Background The efficacy of treating asymptomatic bacteriuria during the early peri-transplantation period in kidney transplant (KT) recipient has not been properly assessed. In this study, we assessed the effectiveness of treating asymptom…
View article: P-891. Clinical Impact of Central Venous Catheter-Only Positive Cultures in <i>Staphylococcus aureus</i> Bacteremia
P-891. Clinical Impact of Central Venous Catheter-Only Positive Cultures in <i>Staphylococcus aureus</i> Bacteremia Open
Background There is limited data on patients with indwelling central venous catheter (CVC) presenting with Staphylococcus aureus bacteremia (SAB) isolated exclusively from the CVC, without positive results from peripheral venipuncture. The…
View article: P-2300. Invasive Pulmonary Aspergillosis-Mimicking <i>Pseudomonas aeruginosa</i> Pneumonia in Immunocompromised Patients
P-2300. Invasive Pulmonary Aspergillosis-Mimicking <i>Pseudomonas aeruginosa</i> Pneumonia in Immunocompromised Patients Open
Background Pseudomonas aeruginosa (PA) pneumonia is occasionally misdiagnosed as invasive pulmonary aspergillosis (IPA) in immunocompromised patients, especially transplant recipients or those with hematologic malignancy who have risk fact…
View article: Biogeochemical cycling of sedimentary organic carbon and benthic nutrient fluxes in the semi-enclosed Jinhae Bay, Korea: insights into benthic-pelagic coupling
Biogeochemical cycling of sedimentary organic carbon and benthic nutrient fluxes in the semi-enclosed Jinhae Bay, Korea: insights into benthic-pelagic coupling Open
The mineralization of organic matter at the sediment plays a crucial role in ecosystem functioning by facilitating the biogeochemical cycling of carbon and nutrients. This process not only supports nutrient availability for primary product…
View article: Thermally Triggered Double Emulsion‐Integrated Hydrogel Microparticles for Multiplexed Molecular Diagnostics
Thermally Triggered Double Emulsion‐Integrated Hydrogel Microparticles for Multiplexed Molecular Diagnostics Open
During the COVID‐19 pandemic, reverse transcription‐quantitative polymerase chain reaction (RT‐qPCR) has been recognized as the most reliable diagnostic tool. However, there is a need to develop multiplexed assays capable of analyzing mult…
View article: Evaluation of Reactogenicity and Neutralizing Antibody Responses 6 Months Post-Vaccination with Monovalent COVID-19 Vaccine
Evaluation of Reactogenicity and Neutralizing Antibody Responses 6 Months Post-Vaccination with Monovalent COVID-19 Vaccine Open
The association between reactogenicity and long-term immunogenicity after coronavirus disease 2019 (COVID-19) vaccination remains unclear. This study investigated whether adverse reactions to ChAdOx1 nCoV-19 or BNT162b2 vaccines correlate …
View article: Cytomegalovirus Retinitis in a Hematopoietic Stem Cell Transplant Recipient During Maribavir Pre-emptive Therapy
Cytomegalovirus Retinitis in a Hematopoietic Stem Cell Transplant Recipient During Maribavir Pre-emptive Therapy Open
We report a case of cytomegalovirus retinitis in a hematopoietic stem cell transplant recipient during valganciclovir pre-emptive therapy followed by maribavir. Analysis of UL97 mutation revealed a C480F substitution associated with high m…
View article: Minocycline Susceptibility of Carbapenem-Resistant <i>Acinetobacter baumannii</i> Blood Isolates from a Single Center in Korea: Role of <i>tetB</i> in Resistance
Minocycline Susceptibility of Carbapenem-Resistant <i>Acinetobacter baumannii</i> Blood Isolates from a Single Center in Korea: Role of <i>tetB</i> in Resistance Open
tetB was present in 49% of CRAB isolates and was associated with higher MICs and non-susceptibility by both CLSI and PK-PD criteria. However, absence of tetB was not a reliable predictor of minocycline PK-PD susceptibility. Additionally, s…
View article: Reinfection of SARS-CoV-2 Variants in Immunocompromised Patients with Prolonged or Relapsed Viral Shedding
Reinfection of SARS-CoV-2 Variants in Immunocompromised Patients with Prolonged or Relapsed Viral Shedding Open
Our data suggest that approximately one-third of immunocompromised patients with persistent or relapsed viral shedding had reinfection with different variants of SARS-CoV-2.
View article: Risk Factors for Infection-Attributable Mortality in Patients With <i>Staphylococcus aureus</i> Bacteremia: A Competing Risk Analysis
Risk Factors for Infection-Attributable Mortality in Patients With <i>Staphylococcus aureus</i> Bacteremia: A Competing Risk Analysis Open
Background Identifying risk factors for mortality in patients with Staphylococcus aureus bacteremia (SAB) is crucial due to its high fatality. However, data on risk factors for infection-attributable deaths considering competing risk event…
View article: Improving Fine-grained Visual Understanding in VLMs through Text-Only Training
Improving Fine-grained Visual Understanding in VLMs through Text-Only Training Open
Visual-Language Models (VLMs) have become a powerful tool for bridging the gap between visual and linguistic understanding. However, the conventional learning approaches for VLMs often suffer from limitations, such as the high resource req…