Publications by authors named "Sung E Kim"

Delayed wound healing remains a major challenge in biomedical research, often leading to complications such as scarring, acute trauma, and chronic diseases. Effective wound management is crucial for enhancing treatment outcomes, preventing complications, and promoting tissue regeneration. In response to this need, a variety of polymeric biomaterials have been developed.

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Purpose: Improvement of left ventricular (LV) diastolic dysfunction (DD) is known to be a good prognostic factor in patients with heart failure with reduced ejection fraction (EF). In the present study, we investigated the predisposing risk factors affecting the reversibility of LV diastolic filling pattern (DFP) in patients with preserved EF.

Materials And Methods: A total of 600 patients with pseudonormal LVDFP and preserved EF who underwent follow-up echocardiography were enrolled between 2011 and 2020.

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Background: Total knee arthroplasty (TKA) mainly involves the femoral, tibial, and bearing implants. Bearings are categorized by posterior cruciate ligament (PCL) status (cruciate-retaining [CR] vs. posterior-stabilized [PS]) and motion (mobile vs.

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Background: Studies investigating constitutional alignment across various grades of osteoarthritis (OA) are limited. This study explored the distribution of Coronal Plane Alignment of the Knee (CPAK) types and associated radiographic parameters with increasing OA severity.

Methods: In this retrospective cross-sectional study, 17,365 knees were analyzed using deep learning software for radiographic measurements.

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  • The study investigates the risks of all-cause mortality and complications related to cardiovascular and renal health in young-onset diabetes patients in South Korea, utilizing a large national health database.
  • The research found that individuals with type 1 diabetes (T1D) and type 2 diabetes (T2D) have significantly higher rates of myocardial infarction, stroke, and kidney failure compared to the general population, with particularly alarming statistics for T1D.
  • Overall, the findings highlight a critical need for awareness and management of the elevated health risks faced by young people with diabetes in South Korea.
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Endometriosis, a prevalent but debilitating condition affecting women, poses significant challenges in diagnosis and management. The current 2024 guideline, developed by the Korean Society of Endometriosis (KSE), builds upon the 2018 KSE guideline. This guideline aims to provide customized recommendations tailored to Korea's unique clinical aspects and medical environment, and addresses key areas such as diagnosis, medical and surgical management, considerations for special populations, and its complex relationship with cancer.

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Objective: White matter abnormalities in patients with temporal lobe epilepsy (TLE) and hippocampal sclerosis (HS) are well known. Peak width of skeletonized mean diffusivity (PSMD) is a novel marker for quantifying white matter integrity that may reflect small vessel disease. In this study, we aimed to quantify the extent of white matter damage in patients with TLE and HS by using PSMD.

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  • Preoperative templating for total knee arthroplasty (TKA) is crucial for surgical preparation, but it currently lacks automation; this study developed an AI model to automate the prediction of implant sizes.
  • The model was trained on over 13,000 knee radiographs and combines predictions from both anteroposterior and lateral views, validating results against actual TKA outcomes to assess accuracy.
  • Results showed the AI model achieved an exact prediction rate of 39.5% for femoral components and 43.2% for tibial components, with an overall accuracy of 88.9% when allowing for a one-size margin of error; this indicates the model is reliable and could speed up the templating process for surgeons.
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Having osteoarthritis in one knee is reported as an independent risk factor for developing contralateral knee osteoarthritis (KOA). However, no study has been designed to predict the development of contralateral KOA (cKOA). The authors hypothesized that specific risk factors for cKOA development exist and that it could be accurately predicted with the assistance of machine learning.

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Background: Traditional cardiovascular disease risk prediction models generate a combined risk assessment for myocardial infarction (MI) and ischemic stroke (IS), which may inadequately reflect the distinct etiologies and disparate risk factors of MI and IS. We aim to develop prediction models that separately estimate the risks of MI and IS.

Methods: Our analysis included 6,242,404 individuals over 40 years old who participated in a cardiovascular health screening examination in 2009.

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Purpose: Hemophilia A is a genetic disorder characterized by a lack of factor VIII (FVIII). Emicizumab, a recombinant humanized bispecific monoclonal antibody, mimics the function of FVIII. In this article, we present data on an initial real-world evaluation of emicizumab use in Korean children with severe hemophilia A without inhibitors.

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Background: This study aimed to determine the correlation of plasma asprosin with anthropometric and metabolic parameters in Korean children and adolescents.

Methods: This single-center study included 109 Korean children and adolescents: 62 (56.9%) obese participants with a body mass index (BMI) ≥95th percentile and 47 (43.

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: Irinotecan, a camptothecin (CPT) derivative, is commonly used as a first-line therapy for colorectal cancer (CRC), but resistance remains a significant challenge. This study aims to explore the therapeutic potential of FL118, another CPT derivative, with a focus on overcoming resistance to irinotecan. The effects of FL118 on CRC cells were evaluated, and bioinformatics analysis was performed on RNA-seq data.

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Purpose: Total knee arthroplasty (TKA) is an effective treatment for advanced osteoarthritis, and achieving optimal outcomes can be challenging due to various influencing factors. Previous research has focused on identifying factors that affect postoperative functional outcomes. However, there is a paucity of studies predicting individual postoperative improvement following TKA.

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  • Dedifferentiated liposarcoma of the extremities (DDL-E) is a rare condition, and this study analyzed its clinical features and surgical resection margins from 107 patients across 5 sarcoma centers between 2004 and 2023.
  • The 5-year survival rates showed promising outcomes, with local recurrence free survival at 84.7% and disease-specific survival at 87.8%, although larger tumor size was linked to a higher risk of metastasis.
  • The research indicates that while localized DDL-E typically has a good prognosis, there is a need for more research on the optimal surgical approach, particularly concerning resection margins at the well-differentiated component of the tumor.
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Background: The aim of this study was to find predictive factors for intractable Graves' disease (GD).

Methods: Ninety-three GD patients who visited two pediatric endocrinology clinics from March 2009 to August 2019 were involved in this study. Data were collected on the methimazole (MZ) dosages prescribed from their first visits to their fifth visits.

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Background: Patient-reported satisfaction following total knee arthroplasty (TKA) can be affected by various factors. This study aimed to assess patient satisfaction rates and identify factors related to patients, surgery, and postoperative knee motion associated with satisfaction in posterior-stabilized TKA among Asian patients.

Methods: A retrospective cross-sectional study was conducted in patients with primary osteoarthritis who underwent TKA and had a follow-up period of over 2 years.

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  • Rheumatic heart disease (RHD) poses significant health risks, particularly in women, but this case examines its effects in a young Asian male with severe symptoms.
  • The 46-year-old patient, with a history of mitral valvuloplasty, presented with serious issues like severe mitral stenosis and tricuspid regurgitation, requiring surgical intervention.
  • The case illustrates the chronic nature of RHD and stresses the importance of regular follow-ups and a team approach in managing complex heart conditions for better outcomes.
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: Neglected patellar dislocation in the presence of end-stage osteoarthritis (OA) is a rare condition characterized by the patella remaining laterally dislocated without reduction. Due to the scarcity of reported cases, the optimal management approach is still uncertain. However, primary total knee arthroplasty (TKA) can serve as an effective treatment option.

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  • Sudden cardiac arrest is a critical global health issue, particularly concerning out-of-hospital cardiac arrests (OHCA), where bystander CPR and AEDs play a vital role in improving survival rates and neurological outcomes.
  • A study analyzed data from South Korea from 2016 to 2021, focusing on adult OHCA cases to compare the effectiveness of bystander CPR with and without AED usage on patient survival and neurological recovery.
  • The findings revealed that while survival rates were higher for those treated with AEDs (46.6%) versus those without (23.0%), adjusting for other factors showed no significant difference in survival rates or neurological outcomes between the two groups, highlighting the importance of AED accessibility and preparedness among bystanders.
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Unlabelled: With the increasing rate of infections caused by multidrug-resistant organisms (MDRO), selecting appropriate empiric antibiotics has become challenging. We aimed to develop and externally validate a model for predicting the risk of MDRO infections in patients with cirrhosis.

Methods: We included patients with cirrhosis and bacterial infections from two prospective studies: a transcontinental study was used for model development and internal validation (n = 1302), and a study from Argentina and Uruguay was used for external validation (n = 472).

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  • - The study aimed to compare the efficacy of drug-coated balloon (DCB) PCI versus drug-eluting stent (DES)-only PCI in patients with complex coronary artery lesions.
  • - A total of 126 patients received DCB-based PCI, which was compared with 234 patients who underwent DES-only PCI, focusing on the rate of target vessel failure (TVF) over 2 years.
  • - Results showed that DCB-based PCI had similar risks for TVF and other complications compared to DES-only PCI, suggesting that DCB could be a viable alternative in complex cases.
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Background: The application of artificial intelligence and large language models in the medical field requires an evaluation of their accuracy in providing medical information. This study aimed to assess the performance of Chat Generative Pre-trained Transformer (ChatGPT) models 3.5 and 4 in solving orthopedic board-style questions.

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This study aimed to investigate the impact of hypogonadism on bone mineral density (BMD) in children and adolescents with chronic diseases to determine the relationship between sex hormones and BMD. This retrospective study included 672 children and adolescents with chronic diseases such as hemato-oncologic, rheumatoid, gastrointestinal, and endocrinologic diseases. The relationship between the sex- and Tanner-stage-matched for sex hormones and the sex- and age-matched lumbar spine BMD (LSBMD) was evaluated.

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