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Performance of Prediction Models for Diagnosing Severe Aortic Stenosis Based on Aortic Valve Calcium on Cardiac Computed Tomography: Incorporation of Radiomics and Machine Learning

Kang Ng, Suh YJ, Han K, Kim YJ, Choi BW

Objective: We aimed to develop a prediction model for diagnosing severe aortic stenosis (AS) using computed tomography (CT) radiomics features of aortic valve calcium (AVC) and machine learning (ML) algorithms. Materials...
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Radiofrequency Ablation Using a Separable Clustered Electrode for the Treatment of Hepatocellular Carcinomas: A Randomized Controlled Trial of a DualSwitching Monopolar Mode Versus a Single-Switching Monopolar Mode

Choi JW, Lee JM, Lee DH, Yoon JH, Kim YJ, Lee JH, Yu SJ, Cho EJ

Objective: This study aimed to prospectively compare the efficacy, safety, and mid-term outcomes of dual-switching monopolar (DSM) radiofrequency ablation (RFA) to those of conventional single-switching monopolar (SSM) RFA in the...
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Control measures to African swine fever outbreak: active response in South Korea, preparation for the future, and cooperation

Kim YJ, Park B, Kang HE

African swine fever (ASF) is one of the most complex infectious swine diseases and the greatest concern to the pig industry owing to its high mortality and no effective vaccines...
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Preliminary study for the development of a visiting oral health care intervention program for the elderly based on community healthcare

Jang JH, Cho JW, Kim YJ, Ki JY, Jo KS, Kim JR, Park JE, Kim DH

Objectives: We evaluated the level of oral health status and oral health behavior in the elderly prior to their participation in a visiting oral health care intervention program as part...
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Developmet of Infrared Marker for Thormoplastic Immobilization Tool

Kim YJ, Kim TH, Suh TS

  • KMID: 2510115
  • Prog Med Phys.
  • 2020 Sep;31(S1):S68.
Purpose: Although the thermoplastic immobilization tool is used to efficiently control of patient movement, movement of the patient’s skin surface under thermoplastic immobilization tool exists. In addition, the thermoplastic immobilization...
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Simplified Sigmoidal Curve Fitting for 6 MV FFF Photon Beam of Halcyon to Determine Field Size for Beam Commissioning and Quality Assurance

Choi MG, Kim YJ, Yoon DK, Kim MS, Suh TS

  • KMID: 2510084
  • Prog Med Phys.
  • 2020 Sep;31(S1):S43.
Purpose: Delivery of a single energy 6 MV flattening filter free (FFF) photon beam is a main characteristic of an O-ring gantry type linear accelerator (linac) Halcyon. The purpose of...
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COVID-19 Patients Upregulate Toll-like Receptor 4-mediated Inflammatory Signaling That Mimics Bacterial Sepsis

Sohn KM, Lee SG, Kim HJ, Cheon S, Jeong H, Lee J, Kim IS, Silwal P, Kim YJ, Paik S, Chung C, Park C, Kim YS, Jo EK

Background: Observational studies of the ongoing coronavirus disease 2019 (COVID-19) outbreak suggest that a ‘cytokine storm’ is involved in the pathogenesis of severe illness. However, the molecular mechanisms underlying the altered...
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Drug use evaluation of opioid analgesics in pain management among patients with hematopoietic stem cell transplantation

Oh HJ, Hong SY, Jeong YM, Choi KS, Lee E, Lee E, Kim YJ, Bang SM

Background Hematopoietic stem cell transplantation (HSCT) patients usually experience mucositis, musculoskeletal pain associated with high-dose chemotherapy, radiation, post-HSCT infection, or graft-versus-host disease. Pain management is important for the patients’ quality of...
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Content Analysis of the Meaning of Spiritual Care as Perceived by Nursing Students

Shin SH, Kim HY, Woo HY, Lee MN, Kim YJ

Purpose: This study aimed to describe the meaning of spiritual care as perceived by nursing students. Methods: This study used a descriptive research design, and the participants were 126 fourth-year...
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Prognostic Value of Dual-Energy CT-Based IodineQuantification versus Conventional CT in AcutePulmonary Embolism: A Propensity-Match Analysis

Im DJ, Hur J, Han K, Suh YJ, Hong YJ, Lee HJ, Kim YJ, Choi BW

Objective: The present study aimed to investigate whether quantitative dual-energy computed tomography (DECT) parametersoffer an incremental risk stratification benefit over the CT ventricular diameter ratio in patients with acute pulmonary...
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Early Surgery versus Watchful Waiting in Patients with Moderate Aortic Stenosis and Left Ventricular Systolic Dysfunction

Moon I, Kim M, Choi JW, Park JB, Hwang HY, Kim HK, Kim YJ, Kim KH, Kim KB, Sohn DW, Lee SP

Background and Objectives: Severe aortic stenosis (AS) with left ventricular systolic dysfunction (LVSD) is a class I indication for aortic valve replacement (AVR) but this recommendation is not well established...
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Changes in chest X-ray findings in 1- and 2-month group after treatment initiation for suspected pulmonary tuberculosis

Lee JH, Kim OH, Kim YJ, Shim TS, Jo KW

Background/Aims: Although re-evaluation of radiographic follow-up after 2 to 3 months of therapy is recommended for patients administered anti-tuberculosis medication owing to suspected pulmonary tuberculosis, reported findings are limited. Therefore,...
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Role of Parental Social Class in Preterm Births and Low Birth Weight in Association with Child Mortality:A National Retrospective Cohort Study in Korea

Son M, An SJ, Choe SA, Park M, Kim YJ

Purpose: We explored the role of parental social class in preterm birth (PTB) and low birth weight (LBW) in association with child mortality in Korea. Materials and Methods: A total of...
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Trends of Sensitization to Inhalant Allergens in Korean Children Over the Last 10 Years

Kim YJ, Lee MY, Yang AR, Sol IS, Kwak JH, Jung HL, Shim JW, Kim DS, Shim JY

Purpose: Climate and lifestyle changes increase an individual’s susceptibility to various allergens and also the incidence of allergic diseases. We aimed to examine the changes in sensitization rate for aeroallergens...
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Maternal, infant, and perinatal mortality statistics and trends in Korea between 2009 and 2017

Lee KJ, Sohn S, Vital Statistics Division, Statistics Korea, Hong K, Kim J, Kim R, Lee S, Youn H, Kim YJ

Objective To provide updates on maternal, infant, and perinatal mortality using the national population data of South Korea between 2009 and 2017 and describe the mortality rate by target groups,...
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COVID-19 Testing in South Korea: Current Status and the Need for Faster Diagnostics

Kim YJ, Sung H, Ki CS, Hur M

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Deep Learning in Thyroid Ultrasonography to Predict Tumor Recurrence in Thyroid Cancers

Kil J, Kim KG, Kim YJ, Koo HR, Park JS

Purpose: To evaluate a deep learning model to predict recurrence of thyroid tumor using preoperative ultrasonography (US). Materials and Methods: We included representative images from 229 US-based patients (male:female = 42:187;...
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Comparison of salivary and serum cortisol levels in mechanically ventilated patients and non-critically ill patients

Kim JH, Kim YJ, Lee SM, Lee J

Background: Although the measuring free cortisol is ideal for assessment of hypothalamicpituitary-adrenal function, it is not routinely measured. Salivary cortisol correlates well with the biologically active free cortisol. Therefore, this...
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Therapeutic Options in High-Risk Nonmuscle Invasive Bladder Cancer During the Shortage of Bacillus Calmette-Guérin

Yoo J, Kim YJ, Tae BS, Park JY

Bladder cancer is the second most common malignant tumor of the urinary tract and is the seventh most commoncancer among men worldwide and 17th among women. Seventy to eighty percent...
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Seminal Vesicle Infection of Zinner Syndrome Misdiagnosed for Neoplasm

KimKim YJ

Zinner syndrome is a rare Müllerian duct congenital anomaly representing unilateral renal agenesis, ipsilateral seminal vesicle cyst, and ejaculatory duct obstruction. A 16-year-patient presented with dysuria, nocturia, and enduring diffuse...
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