Publications by authors named "Joon-Young Kim"

Objectives: This study examines the link between early-onset diabetes and health factors in South Korean young adults (20-39) using data from the Korea National Health and Nutrition Examination Survey (2010-2020).

Methods: A matched case-control study was conducted in 2022 with 103 patients with diabetes and 103 controls, matched by age, gender, and BMI. All data, including socioeconomic status (income, education, occupation), health behaviors (smoking, alcohol consumption, physical activity), and medical histories, were extracted from the KNHANES database.

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Postural Orthostatic Tachycardia Syndrome (POTS) is a chronic autonomic condition hallmarked by orthostatic intolerance and tachycardia in the upright position. POTS impacts approximately 1-3 million people in the U.S.

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Objective: To preliminarily evaluate the treatment efficacy of a temperature-adjustable cryotherapy device for chronic, recurrent blepharitis in dogs.

Animals Studied: Five dogs (eight eyes) of different breeds with blepharitis, which was unresponsive to systemic steroids.

Procedures: The dogs were subjected to ophthalmic examination, including Schirmer tear test-1 (STT-1), tear film break-up time (TFBUT) test, and slit-lamp biomicroscope examination.

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Background: Red blood cells (RBCs) are a limited resource, and the adverse effects of transfusion must be considered. Multiple randomized controlled trials on transfusion thresholds have been conducted, leading to the establishment of a restrictive transfusion strategy. This study aimed to investigate the status of RBC transfusions in critically ill patients.

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Article Synopsis
  • - Insulin resistance is a key characteristic of metabolic syndrome (MetSyn), and the triglyceride-glucose (TyG) index is a promising tool for measuring it.
  • - A study analyzed data from 2,746 adults to compare the effectiveness of the TyG index combined with fat measurements (like waist-to-height ratio) against traditional insulin resistance markers.
  • - Results showed that the combined TyG metrics were more accurate in predicting MetSyn than the standard methods, highlighting their potential for better assessment in health studies.
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Objective: To evaluate whether intracameral tissue plasminogen activator (tPA) injection is effective in regulating posterior capsular opacification (PCO), fibrin formation and intraocular pressure (IOP) after cataract surgery.

Animal Studied: Prospective study involving 30 eyes of 21 dogs that underwent phacoemulsification.

Procedures: Thirty eyes were randomly divided into two groups of 15 eyes (control and tPA groups).

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Article Synopsis
  • The study aimed to validate a new mathematical model for measuring insulin sensitivity and β-cell function, as traditional methods are impractical for large-scale research.
  • The researchers used data from previous studies involving 130 obese youths to compare their model-derived indices against standard clamp measurements and other indices.
  • The findings indicated that the new model (mDI-woI) was more effective at detecting insulin resistance and prediabetes than traditional methods, suggesting it could serve as a cost-effective tool for large epidemiological studies.
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To investigate long-term outcomes and develop a risk model for pathological multi-station N2 (pN2b) in patients who underwent upfront surgery for clinical single-station N2 (cN2a) non-small cell lung cancer (NSCLC). From 2006 to 2018, 547 patients who had upfront surgery for suspected cN2a NSCLC underwent analysis. A risk model for predicting pN2b metastasis was developed using preoperative clinical variables via multivariable logistic analysis.

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Purpose: Single Point Insulin Sensitivity Estimator (SPISE) index was recently introduced as a reliable indirect indicator of insulin resistance, applicable to large population-based research. Here, we aimed to 1) examine racial/ethnic differences in SPISE index among US adults, 2) compare predictive power of SPISE index for metabolic syndrome (MetSyn) by race/ethnicity, and 3) evaluate its predictive power for MetSyn against other well-known IR indices including Triglyceride/HDL-C, Triglyceride-glucose index, homeostatic model assessment for insulin resistance, and inverse fasting insulin.

Methods: A total of 2168 adults (814 white, 690 black, and 664 Hispanic) from NHANES 2017-March 2020 Pre-Pandemic Data was analyzed in this study.

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The perovskite quantum dots (QDs) of CsPbX (X = Cl, Br, I) exhibit exceptional photoluminescent properties, but their sensitivity to moisture and heat poses a challenge. This study presents a solvent-free synthesis approach for incorporating CsPbBr perovskite QDs into zeolite A. The introduction of [CsPbBr] perovskite QDs into the zeolite framework resulted in a highly stable configuration, maintaining its initial luminescence properties even after being underwater or exposed to heat.

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Introduction: Canine bacterial keratitis is a corneal infection that causes various symptoms, including visual impairment, and necessitates eye removal in severe cases. Staphylococcus pseudintermedius is a pathogen that causes significant bacterial keratitis in canine patients. Moreover, multi-drug resistant Staphylococcus pseudintermedius (MDRSP) has been reported in both humans and animals.

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This study aimed to determine the correlation of the parameters that indicate the status of the ocular surface with the prognosis of corneal opacification. Fifty dogs (96 eyes) were examined using a grid-line illuminator (non-invasive tear film break-up time (NIBUT)). Thirty dogs (54 eyes) were included in the final analysis based on the criteria.

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Purpose: : Endotension is a rare late complication characterized by an increase in sac size without any type of endoleak following endovascular aortic aneurysm repair (EVAR). Due to its rarity, few studies have demonstrated the mechanism behind and the management of endotension. In this study, we aimed to better understand the treatment and the long-term outcome of endotension in a single-center cohort.

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Transition metal spinel oxides were engineered with active elements as bifunctional water splitting electrocatalysts to deliver superior intrinsic activity, stability, and improved conductivity to support green hydrogen production. In this study, we reported the ternary metal Ni-Fe-Co spinel oxide electrocatalysts prepared by defect engineering strategy with rich and deficient Na ions, termed NFCO-Na and NFCO, which suggest the formation of defects with Na forming tensile strain. The Na-rich NiFeCoO spinel oxide reveals lattice expansion, resulting in the formation of a defective crystal structure, suggesting higher electrocatalytic active sites.

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Article Synopsis
  • The study aimed to evaluate the validity of the Fitbit Inspire 3 for tracking daily steps in adults with transtibial amputation, using activPAL 3 accelerometers as a benchmark.
  • 79 participants wore both devices for a week, revealing that the Fitbit averaged significantly higher daily step counts (5,768) compared to the activPAL (4,674), despite a high correlation (0.93) between the two.
  • The findings indicate that while the two devices both track physical activity effectively, they are not interchangeable due to significant differences in step counts, though they may rank individuals similarly based on their results.
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Article Synopsis
  • This study examines the outcomes of kidney transplantation in patients who have also received a liver transplant (LTKT) versus those who only had kidney transplants (KTA) from 2005 to 2020.
  • It included 4312 patients, with 44 in the LTKT group and 4268 in the KTA group, and used statistical methods to balance the groups for fair comparison.
  • The results showed no significant difference in graft survival rates, but the LTKT patients experienced better rejection-free survival than the KTA group.
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Hydrogen production from water splitting combined with renewable electricity can provide a viable solution to the energy crisis. A novel MoS/NiS/NiS heterostructure is designed as a bifunctional electrocatalyst by facile hydrothermal method to demonstrate excellent electrocatalytic performance towards overall water splitting applications. MoS/NiS/NiS heterostructure necessitates a low overpotential of 81 mV and 210 mV to attain a current density of 10 mA cm during the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), respectively.

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Dry eye disease (DED) is caused by a loss of homeostasis of the tear film, which results in visual disturbance, ocular surface inflammation and damage, and neurosensory abnormalities. Although it is prevalent in 5-50% of the global population, there are limited clinical options for its treatment. This study explored the potential use of human intravenous immunoglobulin (IVIg) and its enriched fractions of sialylation, sialylated IVIg (sIVIg), as a treatment for DED.

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Objective: The tear clearance rate (TCR), determined using anterior segment optical coherence tomography (AS-OCT) images, and its correlation with ocular surface parameters, including blink rate, Schirmer tear test-1 (STT-1) and tear film breakup time (TFBUT), were evaluated.

Animals Studied: Left eyes of 20 client-owned dogs with no ocular disease symptoms.

Procedures: The tear meniscus height (TMH) was evaluated using AS-OCT images before the instillation of 5 μL saline (TMH ), immediately post-instillation (TMH ), 30-s post-instillation (TMH ) and at 1 min intervals for 5 min post-instillation (TMH , TMH , TMH , TMH and TMH ).

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Efficient and accurate methods to estimate insulin sensitivity () and β-cell function (BCF) are of great importance for studying the pathogenesis and treatment effectiveness of type 2 diabetes (T2D). Existing methods range in sensitivity, input data, and technical requirements. Oral glucose tolerance tests (OGTTs) are preferred because they are simpler and more physiological than intravenous methods.

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The utilization of hydrogen (H) as a fuel source is hindered by the limited infrastructure and storage requirements. In contrast, ammonia (NH) offers a promising solution as a hydrogen carrier due to its high energy density, liquid storage capacity, low cost, and sustainable manufacturing. NH has garnered significant attention as a key component in the development of next-generation refueling stations, aligning with the goal of a carbon-free economy.

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Objective: We examined the effects of short-term KD on exercise efficiency and hormonal response during and after the graded exercise testing.

Methods: Fourteen untrained healthy adults (8 males, 6 females, age 26.4 ± 3.

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Background: The optimal choice of valve substitute for aortic valve replacement (AVR) in pediatric patients remains a matter of debate. This study investigated the outcomes following AVR using mechanical prostheses in children.

Methods: Forty-four patients younger than 15 years who underwent mechanical AVR from March 1990 through March 2023 were included.

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Objective: To compare tear film (TF) osmolarity measured using TearLab® and I-PEN® osmometers in the same dogs without any ocular surface disease.

Animal Studied: Fifty-two dogs (98 eyes) of different breeds were evaluated.

Procedures: Tear film (TF) osmolarity was evaluated at 2-min intervals.

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Efficient and accurate methods to estimate insulin sensitivity (S) and beta-cell function (BCF) are of great importance for studying the pathogenesis and treatment effectiveness of type 2 diabetes. Many methods exist, ranging in input data and technical requirements. Oral glucose tolerance tests (OGTTs) are preferred because they are simpler and more physiological.

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