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Association between initial fibrinogen levels and adverse outcomes in emergency department patients with primary postpartum hemorrhage

Lee JH, Sohn CH, Kim YJ, Ryoo SM, Ahn S, Seo DW, Kim WY

  • KMID: 2547672
  • J Korean Soc Emerg Med.
  • 2023 Oct;34(5):453-461.
Objective: This study evaluates the association between the initial fibrinogen levels and adverse outcomes in emergency department (ED) patients with primary postpartum hemorrhage (PPH). Methods: This retrospective observational study was performed...
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Agreement and Reliability between Clinically Available Software Programs in Measuring Volumes and Normative Percentiles of Segmented Brain Regions

Song H, Lee SA, Jo SW, Chang SK, Lim Y, Yoo YS, Kim JH, Choi SH, Sohn CH

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Agreement and Reliability between Clinically Available Software Programs in Measuring Volumes and Normative Percentiles of Segmented Brain Regions

Song H, Lee SA, Jo SW, Chang SK, Lim Y, Yoo YS, Kim JH, Choi SH, Sohn CH

Objective: To investigate the agreement and reliability of estimating the volumes and normative percentiles (N%) of segmented brain regions among NeuroQuant (NQ), DeepBrain (DB), and FreeSurfer (FS) software programs, focusing...
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Semiautomated Algorithm for the Diagnosis of Multiple System Atrophy With Predominant Parkinsonism

Lee WW, Kim HJ, Lee HJ, Kim HB, Park KS, Sohn CH, Jeon B

Objective Putaminal iron deposition is an important feature that helps differentiate multiple system atrophy with predominant parkinsonism (MSA-p) from Parkinson’s disease (PD). Most previous studies used visual inspection or quantitative...
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Myelin Content in Mild Traumatic Brain Injury Patients with Post-Concussion Syndrome: Quantitative Assessment with a Multidynamic Multiecho Sequence

Yoo RE, Choi SH, Youn SW, Hwang M, Kim E, Oh BM, Lee JY, Hwang I, Kang KM, Yun TJ, Kim Jh, Sohn CH

Objective: This study aimed to explore the myelin volume change in patients with mild traumatic brain injury (mTBI) with post-concussion syndrome (PCS) using a multidynamic multiecho (MDME) sequence and automatic...
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Assessment of Mild Cognitive Impairment in Elderly Subjects Using a Fully Automated Brain Segmentation Software

Kwon C, Kang KM, Byun MS, Yi D, Song H, Lee JY, Hwang I, Yoo RE, Yun TJ, Choi SH, Kim Jh, Sohn CH, Lee DY, for the KBASE Research Group

Purpose: Mild cognitive impairment (MCI) is a prodromal stage of Alzheimer's disease (AD). Brain atrophy in this disease spectrum begins in the medial temporal lobe structure, which can be recognized...
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Prediction of Prognosis in Glioblastoma Using Radiomics Features of Dynamic Contrast-Enhanced MRI

Pak E, Choi KS, Choi SH, Park CK, Kim TM, Park SH, Lee JH, Lee ST, Hwang I, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH

Objective: To develop a radiomics risk score based on dynamic contrast-enhanced (DCE) MRI for prognosis prediction in patients with glioblastoma. Materials and Methods: One hundred and fifty patients (92 male [61.3%];...
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Renal Safety of Repeated Intravascular Administrations of Iodinated or Gadolinium-Based Contrast Media within a Short Interval

Kwon C, Kang KM, Choi YH, Yoo RE, Sohn CH, Han SS, Yoon SH

Objective: We aimed to investigate whether repeated intravascular administration of iodinated contrast media (ICM) or gadolinium-based contrast agents (GBCAs) within a short interval was associated with an increased risk of...
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Prognostic Prediction Based on Dynamic Contrast-Enhanced MRI and Dynamic Susceptibility Contrast-Enhanced MRI Parameters from Non-Enhancing, T2-High-Signal-Intensity Lesions in Patients with Glioblastoma

Jo SW, Choi SH, Lee EJ, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH

Objective: Few attempts have been made to investigate the prognostic value of dynamic contrast-enhanced (DCE) MRI or dynamic susceptibility contrast (DSC) MRI of non-enhancing, T2-high-signal-intensity (T2-HSI) lesions of glioblastoma multiforme...
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Application of T1 Map Information Based on Synthetic MRI for Dynamic Contrast-Enhanced Imaging: A Comparison Study with the Fixed Baseline T1 Value Method

Shin DJ, Choi SH, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH, Jo SW, Lee EJ

Objective: For an accurate dynamic contrast-enhanced (DCE) MRI analysis, exact baseline T1 mapping is critical. The purpose of this study was to compare the pharmacokinetic parameters of DCE MRI using...
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Cerebrovascular Reservoir and Arterial Transit Time Changes Assessed by Acetazolamide-Challenged Multi-Phase Arterial Spin Labeling Perfusion MRI in Chronic Cerebrovascular Steno-Occlusive Disease

Hwang I, Sohn CH, Jung KH, Yeon EK, Lee JY, Yoo RE, Kang KM, Yun TJ, Choi SH, Kim Jh

Purpose: To explore cerebrovascular reservoir (CVR) and arterial transit time (ATT) changes using acetazolamide-challenged multi-phase arterial spin labeling (MP-ASL) perfusion-weighted MRI in chronic cerebrovascular steno-occlusive disease. Materials and Methods: This retrospective...
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Comparison of Genetic Profiles and Prognosis of High-Grade Gliomas Using Quantitative and Qualitative MRI Features: A Focus on G3 Gliomas

Hong EK, Choi SH, Shin DJ, Jo SW, Yoo RE, Kang KM, Yun TJ, Kim Jh, Sohn CH, Park SH, Won JK, Kim TM, Park CK, Kim IH, Lee ST

Objective: To evaluate the association of MRI features with the major genomic profiles and prognosis of World Health Organization grade III (G3) gliomas compared with those of glioblastomas (GBMs). Materials and...
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Blood-Brain Barrier Disruption in Mild Traumatic Brain Injury Patients with Post-Concussion Syndrome: Evaluation with Region-Based Quantification of Dynamic Contrast-Enhanced MR Imaging Parameters Using Automatic Whole-Brain Segmentation

Yoen H, Yoo RE, Choi SH, Kim E, Oh BM, Yang D, Hwang I, Kang KM, Yun TJ, Kim Jh, Sohn CH

Objective: This study aimed to investigate the blood-brain barrier (BBB) disruption in mild traumatic brain injury (mTBI) patients with post-concussion syndrome (PCS) using dynamic contrast-enhanced (DCE) magnetic resonance (MR) imaging...
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Carbon monoxide poisoning caused by gas water heaters in Korea

Bae JH, Sohn CH, Kim YJ, Ryoo SM, Ahn S, Seo DW, Kim WY

  • KMID: 2511370
  • J Korean Soc Emerg Med.
  • 2020 Dec;31(6):570-575.
Objective: This study aimed at evaluating the characteristics and outcomes of patients who were diagnosed with carbon monoxide (CO) poisoning after using a gas water heater and to describe similar...
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Cancer patients with neutropenic septic shock: etiology and antimicrobial resistance

Jung SM, Kim YJ, Ryoo SM, Sohn CH, Seo DW, Lim KS, Kim WY

Background/Aims: Among patients with febrile neutropenia that developed after chemotherapy, high-risk patients, such as those having clinical instability or Multinational Association of Supportive Care in Cancer score of < 21,...
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Prognostic Value of Dynamic Contrast-Enhanced MRI-Derived Pharmacokinetic Variables in Glioblastoma Patients: Analysis of Contrast-Enhancing Lesions and Non-Enhancing T2 High-Signal Intensity Lesions

Kang Y, Hong EK, Rhim JH, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH, Park SW, Choi SH

Objective: To evaluate pharmacokinetic variables from contrast-enhancing lesions (CELs) and non-enhancing T2 high signal intensity lesions (NE-T2HSILs) on dynamic contrast-enhanced (DCE) magnetic resonance (MR) imaging for predicting progression-free survival (PFS)...
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Ultrasonographic Indeterminate Lymph Nodes inPreoperative Thyroid Cancer Patients: Malignancy Riskand Ultrasonographic Findings Predictive of Malignancy

Yoo RE, Kim Jh, Bae JM, Hwang I, Kang KM, Yun TJ, Choi SH, Sohn CH, Rhim JH, Park SW

Objective: Proper management of lymph nodes (LNs) with ultrasonographic (US) indeterminate features in thyroid cancer patients remains elusive. We aimed to evaluate the malignancy risk and US findings predictive of malignancy...
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Big Data-Driven Approach for Health Inequalities in Foreign Patients with Injuries Visiting Emergency Rooms

Kang JY, Kwon J, Sohn CH, Kim YJ, Lim HW, Lee SJ, Kim WY, Kim N, Seo DW

OBJECTIVES: Foreign patients are more likely to receive inappropriate health service in the emergency room. This study aimed to investigate whether there is health inequality between foreigners and natives who...
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Factors prognostic of ruptured hepatocellular carcinoma presenting to the emergency department

Lee SH, Kim JS, Yu GN, Kim YJ, Ryoo SM, Sohn CH, Kim WY, Ahn S

OBJECTIVE: This study assessed whether characteristics of ruptured hepatocellular carcinoma (HCC) at presentation to the emergency department (ED) affect patient outcomes, and evaluated factors prognostic of HCC, particularly treatment modalities. METHODS:...
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Application of Synthetic MRI for Direct Measurement of Magnetic Resonance Relaxation Time and Tumor Volume at Multiple Time Points after Contrast Administration: Preliminary Results in Patients with Brain Metastasis

Kang KM, Choi SH, Hwang M, Yoo RE, Yun TJ, Kim JH, Sohn CH

OBJECTIVE: The purpose of this study was to investigate the time-dependent effects of contrast medium on multi-dynamic, multi-echo (MDME) sequence in patients with brain metastases. MATERIALS AND METHODS: This study included...
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