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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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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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Diagnostic Evaluation of the BioFire ® Meningitis/Encephalitis Panel: A Pilot Study Including Febrile Infants Younger than 90 Days

Kim KM, Park JY, Park KU, Sohn YJ, Choi YY, Han MS, Choi EH

Purpose: Rapid detection of etiologic organisms is crucial for initiating appropriate therapy in patients with central nervous system (CNS) infection. This study aimed to evaluate the diagnostic value of the...
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Analysis of avoidable cardiopulmonary resuscitation incidents with a part-time rapid response system in place

Cho JY, Lee DS, Choi YY, Park JS, Cho YJ, Yoon HI, Lee JH, Lee CT, Lee YJ

Background: Although a rapid response system (RRS) can reduce the incidence of cardiopulmonary resuscitation (CPR) in general wards, avoidable CPR cases still occur. This study aimed to investigate the incidence...
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Early-Phase SPECT/CT for Diagnosing Osteomyelitis: A Retrospective Pilot Study

Lee SJ, Won KS, Choi HJ, Choi YY

Objective: The aim of this pilot study was to investigate the potential of early-phase single-photon emission computed tomography (SPECT)/computed tomography (CT) using technetium-99m methyl diphosphonate ( 99m Tc-MDP) for diagnosing...
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Effects of Wearable Powered Exoskeletal Training on Functional Mobility, Physiological Health and Quality of Life in Non-ambulatory Spinal Cord Injury Patients

Kim HS, Park JH, Lee HS, Lee JY, Jung JW, Park SB, Hyun DJ, Park S, Yoon J, Lim H, Choi YY, Kim MJ

Background: Spinal cord injury (SCI) is a serious clinical condition that impacts a patient's physical, psychological, and socio-economic status. The aim of this pilot study was to evaluate the effects...
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The Effectiveness of Postoperative Chemotherapy on pT1bN0 and pT2N0 Gastric Cancer Patients with Risk Factors: An International Dual-Center Analysis

Yang K, Chen MX, Choi YY, Zhou ZG, Hyung WJ, Noh SH, Hu JK

Purpose This study aimed to investigate the effectiveness of postoperative chemotherapy in pT1bN0 and pT2N0 gastric cancer patients with high risk factors. Materials and Methods Clinicopathological data of gastric cancer patients, who had...
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Severe laryngomalacia in a 1-month infant with Marfan syndrome

Moon SJ, Yang HC, Song ES, Choi YY, Lee E

Severe respiratory difficulty can be more prominent, when combined with severe pectus excavatum and cardiovascular manifestations in infants with Marfan syndrome. There have been few reports on severe laryngomalacia as...
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Clinical Approach and Diagnosis of Syncope

Choi YY, Choi JI

Syncope, defined as a transient loss of consciousness, is commonly clinical encountered in patients of all ages at emergency and outpatient clinics. However, syncope shares various clinical features with other...
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Defining Association between COVID-19 and the Multisystem Inflammatory Syndrome in Children through the Pandemic

Kim YJ, Park H, Choi YY, Kim YK, Yoon Y, Kim KR, Choi EH

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Analysis of Health Problems among Airline Pilots in Korea (2016~2018)

Kim JS, Choi YY

The medical fitness of pilots is part of the civil aviation safety scenery. This study aimed to analyze the health problems occurring among Korean commercial pilots. Three data sources were...
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Efficacy of non-surgical treatment accompanied by professional toothbrushing in the treatment of chronic periodontitis in patients with type 2 diabetes mellitus:a randomized controlled clinical trial

Lee JY, Choi YY, Choi Y, Jin BH

Purpose: The present study aimed to evaluate the clinical benefit of additional toothbrushing accompanying non-surgical periodontal treatment on oral and general health in patients with type 2 diabetes mellitus (T2DM). Methods:...
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Perinatal Risk Factor and Morbidity in Term Large-for-Gestational-Age Infants according to Classification by Ponderal Index

Kang YH, Song ES, Choi GE, Hwang IJ, Choi YY

Objective Large-for-gestational-age (LGA, birth weight ≥90th percentile) infants have increased risks of adverse perinatal outcomes. Further classification within the LGA group enables identification of infants at highest risk for neonatal morbidity....
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Ovarian pregnancy rupture in second trimester manifesting mental change in pregnancy: a case report

Hwang DW, Choi HW, Choi YY, Kim HS, Kim YA, Chun KC

Ovarian pregnancies comprise approximately 3% of ectopic pregnancies. Moreover, ovarian pregnancies in the second trimester are extremely rare. We herein present a case of ruptured ovarian pregnancy in the second...
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Prescription of antibiotics after tooth extraction in adults: a nationwide study in Korea

Choi YY

OBJECTIVES: This study aimed to understand the nationwide patterns of antibiotic prescription after tooth extraction in adult patients. MATERIALS AND METHODS: This study analyzed dental records from the National Health Insurance...
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A Multi-cohort Study of the Prognostic Significance of Microsatellite Instability or Mismatch Repair Status after Recurrence of Resectable Gastric Cancer

An JY, Choi YY, Lee J, Hyung WJ, Kim KM, Noh SH, Choi MG, Cheong JH

Purpose High microsatellite instability (MSI) is related to good prognosis in gastric cancer. We aimed to identify the prognostic factors of patients with recurrent gastric cancer and investigate the role of...
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Primary Histiocytic Sarcoma Presenting as a Breast Mass: A Case Report

Bang S, Kim Y, Chung MS, Park JS, Choi YY, Shin SJ

Histiocytic sarcoma is a rare hematologic malignancy, with very few cases of primary histiocytic sarcoma of the breast described in English scientific literature. Herein, we describe a case of primary...
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The Correlation Between Tenosynovitis Pattern on Two-Phase Bone Scintigraphy and Clinical Manifestation in Patients with Suspected Rheumatoid Arthritis

Choi HJ, Lee SJ, Kim JY, Sung YK, Choi YY

PURPOSE: To investigate the correlation between the tenosynovitis pattern on two-phase bone scintigraphy (2P-BS) and clinical manifestation in patients with suspected rheumatoid arthritis (RA). METHOD: 2P-BS including technetium-99m-methylene diphosphonate blood pool...
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