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Variability in the effects of prehospital advanced airway management on outcomes of patients with out-of-hospital cardiac arrest

Oh YS, Ahn KO, Shin SD, Kagino K, Nishiuchi T, Ma M, Ko P, Ong MEH, Yng NY, Leong B

Objective To investigate variations in the effects of prehospital advanced airway management (AAM) on outcomes of out-of-hospital cardiac arrest (OHCA) patients according to regional emergency medical service (EMS) systems in...
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Diagnostic Value of SusceptibilityWeighted MRI in Differentiating Cerebellopontine Angle Schwannoma from Meningioma

Seo M, Choi Y, Lee S, Kim Bs, Jang Jh, Shin NY, Jung SL, Ahn KJ

Background: Differentiation of cerebellopontine angle (CPA) schwannoma from meningioma is often a difficult process to identify. Purpose: To identify imaging features for distinguishing CPA schwannoma from meningioma and to investigate the...
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Paramagnetic Rims in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder: A Quantitative Susceptibility Mapping Study with 3-T MRI

Jang J, Nam Y, Choi Y, Shin NY, An JY, Ahn KJ, Kim Bs, Lee KS, Kim W

Background and Purpose: Iron retained by activated microglia and macrophages in multiple sclerosis (MS) lesions may serve as a marker of innate immune system activation. Among several magnetic resonance imaging...
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Analysis of Apparent Diffusion Coefficients of the Brain in Healthy Controls: A Comparison Study between Single-Shot Echo-Planar Imaging and Read-out-Segmented Echo-Planar Imaging

Choi Y, Hwang EJ, Nam Y, Choi HS, Jang J, Jung SL, Ahn KJ, Kim BS

OBJECTIVE: To compare apparent diffusion coefficients (ADCs) of brain segments by using two diffusion-weighted imaging acquisition modes, single-shot echo-planar imaging (ss-EPI) and read-out-segmented echo-planar imaging (rs-EPI), and to assess their...
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Epidemiologic characteristics of bicycle injury and helmet use

Kim H, Ahn KO, Park J, Kim JY, Lee SC, Lee S

OBJECTIVE: This study examined the epidemiological characteristics of bicycle injuries and the wearing of a helmet. METHODS: A cross-sectional observational study was conducted using the emergency department-based Injury In-depth Surveillance data...
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Relationship between Abnormal Hyperintensity on T2-Weighted Images Around Developmental Venous Anomalies and Magnetic Susceptibility of Their Collecting Veins: In-Vivo Quantitative Susceptibility Mapping Study

Choi Y, Jang J, Nam Y, Shin NY, Choi HS, Jung SL, Ahn KJ, Kim BS

OBJECTIVE: A developmental venous anomaly (DVA) is a vascular malformation of ambiguous clinical significance. We aimed to quantify the susceptibility of draining veins (χvein) in DVA and determine its significance...
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A Delphi study for the application of Korean Triage and Acuity Scale to children

Noh H, Jung KY, Ahn KO, Kim JK, Son HJ, Jo HS

OBJECTIVE: We investigated the opinions of experts to identify problems and prepare an improvement plan when applying the Korean Triage and Acuity Scale (KTAS) to pediatric patients in the emergency...
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Seed-Based Resting-State Functional MRI for Presurgical Localization of the Motor Cortex: A Task-Based Functional MRI-Determined Seed Versus an Anatomy-Determined Seed

Lee JY, Choi Y, Ahn KJ, Nam Y, Jang JH, Choi HS, Jung SL, Kim BS

OBJECTIVE: For localization of the motor cortex, seed-based resting-state functional MRI (rsfMRI) uses the contralateral motor cortex as a seed. However, research has shown that the location of the motor...
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Associations between Morphological Characteristics of Intracranial Arteries and Atherosclerosis Risk Factors in Subjects with Less Than 50% Intracranial Arterial Stenosis

Byun H, Jang J, Choi HS, Jung SL, Ahn KJ, Kim BS

PURPOSE: To assess associations between morphological characteristics of intracranial arteries in time-of-flight MR angiography (TOF-MRA) and atherosclerotic risk factors. MATERIALS AND METHODS: From January 2014 to October 2015, a total of...
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The Pyramid of Injury: Estimation of the Scale of Adolescent Injuries According to Severity

Han H, Park B, Park B, Park N, Park JO, Ahn KO, Tak YJ, Lee HA, Park H

OBJECTIVES: Due to their developmental characteristics, adolescents have a higher probability than other age groups of experiencing injuries caused by accidents, violence, and intentional self-harm. The severity and characteristics of...
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Delphi study to achieve consensus for the development strategies of emergency medical services system preparing for reunification of Korea

Park GJ, Lee KW, Kong SY, Ahn KO, Wi DH, Ro YS, Shin SD

OBJECTIVE: This study aimed to achieve expert consensus for the development of strategies emergency medical services system (EMSS) after reunification of Korean using the Delphi method. METHODS: The Delphi study was...
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The Added Prognostic Value of Intracranial Artery Morphology to Predict Non-Cardioembolic Ischemic Stroke

Han NH, Jang J, Byun H, Lee K, Koo J, Choi HS, Jung SL, Ahn KJ, Kim BS

PURPOSE: To assess the added prognostic value of the morphologic characteristics of intracranial arteries in the risk modeling of a future non-cardioembolic stroke. MATERIALS AND METHODS: This retrospective study included 86...
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Epidemiologic Characteristics of Injured School-age Patients Transported via Emergency Medical Services in Korea

Park HA, Ahn KO, Park JO, Kim J, Jeong S, Kim M

BACKGROUND: The purpose of this study was to identify the characteristics of injuries of school-aged children transported via emergency medical services (EMS) that occurred in schools by comparing with injuries...
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Assessment of Arterial Wall Enhancement for Differentiation of Parent Artery Disease from Small Artery Disease: Comparison between Histogram Analysis and Visual Analysis on 3-Dimensional Contrast-Enhanced T1-Weighted Turbo Spin Echo MR Images at 3T

Jang J, Kim TW, Hwang EJ, Choi HS, Koo J, Shin YS, Jung SL, Ahn KJ, Kim BS

OBJECTIVE: The purpose of this study was to compare the histogram analysis and visual scores in 3T MRI assessment of middle cerebral arterial wall enhancement in patients with acute stroke,...
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Effect of Critical Care Transport on Patients' Survival after Inter-Hospital Transport of Critically Ill Patients

Park YJ, Lee KW, Jeong J, Jang IW, Ahn KO, Ro YS, Shin SD

PURPOSE: Critical care transport (CCT) has been known to be beneficial for inter-hospital transport of critically ill patients. Seoul Mobile Intensive Care Unit (SMICU) has been established and provided CCT...
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Concurrent Chemoradiotherapy with Temozolomide Followed by Adjuvant Temozolomide for Newly Diagnosed Glioblastoma Patients: A Retrospective Multicenter Observation Study in Korea

Kim BS, Seol HJ, Nam DH, Park CK, Kim IH, Kim TM, Kim JH, Cho YH, Yoon SM, Chang JH, Kang SG, Kim EH, Suh CO, Jung TY, Lee KH, Kim CY, Kim IA, Hong CK, Yoo H, Kim JH, Kang SH, Kang MK, Kim EY, Kim SH, Chung DS, Hwang SC, Song JH, Cho SJ, Lee SI, Lee YS, Ahn KJ, Kim SH, Lim DH, Gwak HS, Lee SH, Hong YK

PURPOSE: The purpose of this study was to investigate the feasibility and survival benefits of combined treatment with radiotherapy and adjuvant temozolomide (TMZ) in a Korean sample. MATERIALS AND METHODS: A...
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The Importance of Interface Irregularity between the Tumor and Brain Parenchyma in Differentiating between Typical and Atypical Meningiomas: Correlation with Pathology

Lee J, Lee YS, Ahn KJ, Lee S, Jang J, Choi HS, Jung SL, Kim BS, Jeun S, Hong Y

PURPOSE: To understand clinical significance of irregular interface between meningioma and adjacent brain parenchyma in predicting histological grading of tumor, focusing on brain parenchymal invasion. MATERIALS AND METHODS: Pathologically confirmed 79...
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Emergency Department Crowding Disparity: a Nationwide Cross-Sectional Study

Cha WC, Ahn KO, Shin SD, Park JH, Cho JS

In this study, we evaluated national differences in emergency department (ED) crowding to identify factors significantly associated with crowding in institutes and communities across Korea. This was a cross-sectional nationwide...
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Utilization of Pediatric Emergency Medical Center Depending on Visiting Time

Song W, Noh H, Ahn KO, Jeong SY, Suh J

PURPOSE: Many patients who may be treated in primary care clinics resort to emergency centers during the off hours of such clinics. This may cause overcrowding of emergency centers and...
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Association of Coronary Angiography and Percutaneous Coronary Intervention to Survival Outcome of Patients Successfully Resuscitated from Out-of-Hospital Cardiac Arrest

Park JK, Na SH, Kim TH, Shin SD, Song KJ, Ro YS, Ahn KO

PURPOSE: The aim of this study was to evaluate the association between coronary angiography (CAG) with or without percutaneous coronary intervention (PCI) and the survival outcome of patients successfully resuscitated...
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