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Real-World Effectiveness of Nirmatrelvir-Ritonavir and Its Acceptability in High-Risk COVID-19 Patients

Kim MK, Lee KS, Ham SY, Choi YY, Lee E, Lee S, Lee B, Jeon J, Chin B, Kim Y, Kim G, Jang HC, Choi JP, Park SW

Background Nirmatrelvir-ritonavir is highly effective in preventing severe coronavirus disease 2019 (COVID-19) in high-risk patients with mild-to-moderate severity. However, real-world performance data are limited, and the drug is not so acceptable...
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Osteochondroma in the Rib: A Case Report Reviewing Magnetic Resonance Imaging Findings

Choi YY, Lee RW, Lee KH, Yoon YH

Osteochondroma is a benign bone tumor that is most commonly found in the extremities and is prevalent in adolescents, with a peak incidence before the age of 20 years. Herein,...
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Prediction of Amyloid β-Positivity with both MRI Parameters and Cognitive Function Using Machine Learning

Park HJ, Lee JY, Yang JJ, Kim HJ, Kim YS, Kim JY, Choi YY

Purpose To investigate the MRI markers for the prediction of amyloid β (Aβ)-positivity in mild cognitive impairment (MCI) and Alzheimer’s disease (AD), and to evaluate the differences in MRI markers...
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Introduction of Multidisciplinary Team Approach for Head and Neck Cancer: Patient Satisfaction

Park MK, Song CM, Park Hj, Choi YY, Lee YJ, Myung JK, Oh SJ, Park SO, Seo HY, Lee JW, Ji YB, Tae K

Background and Objectives The head and neck multidisciplinary team (MDT) approach plays a crucial role in bringing together the ideas of various medical professionals. This study aimed to evaluate the...
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Decision for Safe Discharge After Gastric Cancer Surgery: The Finale of Enhanced Recovery After Surgery Program

Choi YY

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SARS-CoV-2-Naïve Korean Children and Adolescents Hospitalized With COVID-19 in 2021

Choi YY, Choi SH, Choi JH, Kim DH, Lee JK, Eun BW, Lee H, Kim YK, Ahn B, Song SH, Yun KW

Background: The risk of severe outcomes with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) delta variant remains low in children and adolescents, but less is known about its effect on...
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Prospective F-18 FDOPA PET Imaging Study in Human PD

Dhawan V, Niethammer MH, Lesser ML, Pappas KN, Hellman M, Fitzpatrick TM, Bjelke D, Singh J, Quatarolo LM, Choi YY, Oh A, Eidelberg D, Chaly T

Purpose We present the findings of our final prospective study submitted to the U.S. Food and Drug Administration (FDA) for New Drug Application (NDA) approval for the use of 3,4-dihydroxy-6-[18F]fluoro-L-phenylalanine...
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A Single Baseline Amyloid Positron Emission Tomography Could Be Sufficient for Predicting Alzheimer’s Disease Conversion in Mild Cognitive Impairment

Choo IH, Chong A, Chung JY, Ha JM, Choi YY, Kim H

Objective Baseline amyloid burden in mild cognitive impairment (MCI) has been linked to conversion to Alzheimer’s disease (AD), but the comparison of baseline and longitudinal changes in amyloid burden for...
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Outcomes of Late-Preterm and Term Infants Born to SARS-CoV-2-Positive Mothers

Choi YY, Joo S

With the spread of coronavirus disease 2019 (COVID-19) in Korea, the number of pregnant women infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is rapidly increasing. A shortage of...
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Croup as a Manifestation of SARSCoV-2 Omicron Variant Infection in Young Children

Choi YY, Kim YS, Lee SY, Sim J, Choe YJ, Han MS

Croup is an acute upper respiratory disease primarily caused by the parainfluenza virus. Owing to inflammation and edema of the upper airways, children present with barky cough and stridor, and some...
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Electrical Remodeling of Left Atrium Is a Better Predictor for Recurrence Than Structural Remodeling in Atrial Fibrillation Patients Undergoing Radiofrequency Catheter Ablation

Kim YG, Choi HY, Shim J, Min K, Choi YY, Choi JI, Kim YH

Background and Objectives: Recurrence rates after radiofrequency catheter ablation (RFCA) in atrial fibrillation (AF) patients are not low especially in non-paroxysmal AF. The diameter of left atrium (LA) has been...
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BNT162b2 mRNA COVID-19 vaccine adverse reactions needing medical support: a vaccine center experience

Choi YH, Lee KE, Cho SI, Ko JI, Kim YJ, Choi YY, Kim GH, Park TJ

  • KMID: 2531593
  • J Korean Soc Emerg Med.
  • 2022 Apr;33(2):164-171.
Objective: The coronavirus disease 2019 (COVID-19) pandemic has not yet been controlled and herd immunity through vaccination against COVID-19 has been considered the best option to prevent the spread of...
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Latest Overseas Policy on Coronavirus Disease 2019 Vaccination for Children Aged 5 to 11

Moon J, Choe YJ, Choi YY

In Korea, children aged 5 to 11 have been vaccinated against coronavirus disease 2019 (COVID-19) from March 2022. Due to this age group not being at a high risk of...
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Booster BNT162b2 COVID-19 Vaccination Increases Neutralizing Antibody Titers Against the SARS-CoV-2 Omicron Variant in Both Young and Elderly Adults

Um J, Choi YY, Kim G, Kim MK, Lee KS, Sung HK, Kim BC, Lee Yk, Jang HC, Bang JH, Chung Kh, Oh Md, Park JS, Jeon J

Concerns about the effectiveness of current vaccines against the rapidly spreading severe acute respiratory syndrome-coronavirus-2 omicron (B.1.1.529) variant are increasing. This study aimed to assess neutralizing antibody activity against the...
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Clinical Characteristics of 40 Patients Infected With the SARS-CoV-2 Omicron Variant in Korea

Kim MK, Lee B, Choi YY, Um J, Lee KS, Sung HK, Kim Y, Park JS, Lee M, Jang HC, Bang JH, Chung Kh, Jeon J

Since severe acute respiratory syndrome-coronavirus-2 variant B.1.1.529 (omicron) was first reported to the World Health Organization on November 24, 2021, the cases of the omicron variant have been detected in...
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Safety Monitoring after the BNT162b2 COVID-19 Vaccine among Adults Aged 75 Years or Older

Choi YY, Kim MK, Kwon HC, Kim GH

Background: Older adults are given high priority for coronavirus disease 2019 (COVID-19) vaccination; however, little is known about the safety of vaccines. This study was conducted to examine the safety...
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Medications and the Risk of Colorectal Cancer in Patients with Inflammatory Bowel Diseases: Use of the Landmark Method

Choi YY, Lee JK, Kim HS, Kim DW, Kim HM, Kang DR

Purpose: This study aimed to determine whether the use of drugs in the treatment of inflammatory bowel disease is related to the risk of colorectal cancer using a Cox proportional...
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The usefulness of trabecular bone score in patients with ankylosing spondylitis

Nam SW, Sung YK, Kim D, Cho SK, Song Y, Choi YY, Sim Y, Kim TH

Backgrounds/Aims: This study was performed to reveal the usefulness of the trabecular bone score (TBS) in assessing bone strength in patients with ankylosing spondylitis (AS) in comparison with dual-energy X-ray...
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Clinical and Epidemiological Characteristics of Common Human Coronaviruses in Children: A Single Center Study, 2015–2019

Choi YY, Kim C, Choi EH

Purpose: Common human coronaviruses (HCoVs) are relatively understudied due to the mild nature of HCoV infection. Given the lack of local epidemiology data on common HCoVs, we aimed to describe...
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Fatigue and Associated Factors among Airline Pilots

Kim HJ, Choi YY

Purpose: This study aimed to identify the prevalence of fatigue and its associated factors leading to the fatigue among Korean commercial airline pilots. Methods: An anonymous, web-based questionnaire collecting data on...
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