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Perceived Dark Rim Artifact in First-Pass Myocardial Perfusion Magnetic Resonance Imaging Due to Visual Illusion

Shin T, Nayak KS

OBJECTIVE: To demonstrate that human visual illusion can contribute to sub-endocardial dark rim artifact in contrast-enhanced myocardial perfusion magnetic resonance images. MATERIALS AND METHODS: Numerical phantoms were generated to simulate the...
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Guidelines for Cardiovascular Magnetic Resonance Imaging from the Korean Society of Cardiovascular Imaging—Part 3: Perfusion, Delayed Enhancement, and T1- and T2 Mapping

Im DJ, Hong SJ, Park EA, Kim EY, Jo Y, Kim J, Park CH, Yong HS, Lee JW, Hur JH, Yang DH, Lee BY

This document is the third part of the guidelines for the protocol, the interpretation and postprocessing of cardiac magnetic resonance (CMR) studies. These consensus recommendations have been developed by the...
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Guidelines for Cardiovascular Magnetic Resonance Imaging from the Korean Society of Cardiovascular Imaging—Part 3: Perfusion, Delayed Enhancement, and T1- and T2 Mapping

Im DJ, Hong SJ, Park EA, Kim EY, Jo Y, Kim J, Park CH, Yong HS, Lee JW, Hur JH, Yang DH, Lee BY

This document is the third part of the guidelines for the protocol, the interpretation and post-processing of cardiac magnetic resonance (CMR) studies. These consensus recommendations have been developed by the...
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Comparative Analysis of Lung Perfusion Scan and SPECT/CT for the Evaluation of Functional Lung Capacity

Suh HY, Park S, Ryoo HG, Kim JY, Kim TS, Lee JM, Kim MS, Yang HC, Kim SK

PURPOSE: This study aimed to compare lung perfusion scan with single photon emission computed tomography/computed tomography (SPECT/CT) for the evaluation of lung function and to elucidate the most appropriate modality...
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Altered Regional Cerebral Blood Flow Associated with Mood and Sleep in Shift Workers: Cerebral Perfusion Magnetic Resonance Imaging Study

Park YK, Kim JH, Choi SJ, Kim ST, Joo EY

BACKGROUND AND PURPOSE: Shift work disrupts the body's circadian rhythms and increases the risk of health problems. Despite evidence of neuropsychological disturbances in shift workers (SW), the brain functional status...
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Optimizing Contrast Medium Injection for Coronary CT Angiography Using Myocardial CT Perfusion Data

Tomizawa N, Chou S, Matsuoka S, Yamamoto K, Inoh S, Nojo T, Kumamaru K, Fujimoto S, Nakamura S

OBJECTIVE: To derive and validate a formula to predict the optimal amount of contrast medium for coronary CT angiography (CTA) from CT perfusion (CTP) data during comprehensive cardiac CT. MATERIALS AND...
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Efficacy of Slow Rate Ventriculolumbar Perfusion Chemotherapy for Leptomeningeal Carcinomatosis: Interim Result of a Phase II Study

Choi YH, Gwak HS, Joo J, Kwon JW, Shin SH, Yoo H, Lee JH, Youn JH

BACKGROUND: To evaluate the efficacy of modified ventriculolumbar perfusion (VLP) chemotherapy with methotrexate on leptomeningeal carcinomatosis in terms of symptomatic response and side effects. METHODS: Previous infusion rate of 20 mL/h...
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Effect of pralidoxime on coronary perfusion pressure during cardiopulmonary resuscitation in a pig model

Jung YH, Ryu DH, Jeung KW, Na JY, Lee DH, Lee BK, Heo T, Min YI

OBJECTIVE: Pralidoxime is widely used for the treatment of organophosphate poisoning. Multiple studies have reported its vasoconstrictive property, which may facilitate the restoration of spontaneous circulation (ROSC) after cardiac arrest...
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The Effect of Daily Low Dose Tadalafil on Cerebral Perfusion and Cognition in Patients with Erectile Dysfunction and Mild Cognitive Impairment

Choi JB, Cho KJ, Kim JC, Kim CH, Chung YA, Jeong HS, Shim YS, Koh JS

OBJECTIVE: The aims of this study were to investigate the effects of daily low-dose tadalafil on cognitive function and to examine whether there was a change in cerebral blood flow...
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Contrast Enhanced Ultrasound Perfusion Imaging in Skeletal Muscle

Nguyen T, Davidson B

The ability to accurately evaluate skeletal muscle microvascular blood flow has broad clinical applications for understanding the regulation of skeletal muscle perfusion in health and disease states. Contrast-enhanced ultrasound (CEU)...
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Effect of Hyperglycemia on Myocardial Perfusion in Diabetic Porcine Models and Humans

Park JJ, Kim SH, Kim MA, Chae IH, Choi DJ, Yoon CH

BACKGROUND: Diabetes mellitus (DM) causes macro- and microvasculopathy, but data on cardiac microvascular changes in large animals are scarce. We sought to determine the effect of DM on macro- and...
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Arterial Spin Labelling Perfusion, Proton MR Spectroscopy and Susceptibility-Weighted MR Findings of Acute Necrotizing Encephalopathy: a Case Report

Kwon H, Choi DS, Jang J

In this study, we report arterial spin labelling perfusion, proton MR spectroscopy and susceptibility-weighted MR findings of acute necrotizing encephalopathy in a child with rotavirus infection.
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Comparative Study of Dynamic Susceptibility Contrast Perfusion MR Images between Warthin's Tumor and Malignant Parotid Tumors

Park SY, Kim HJ, Cha W

OBJECTIVES: To identify diagnostically meaningful differences between Warthin's tumor and malignant masses in the parotid gland by dynamic susceptibility contrast (DSC) MR imaging. METHODS: Eleven malignant parotid tumors and 9 Warthin's...
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Hyperglycemia-Induced Aphasia Presenting with Seizure-like Brain Perfusion Findings on Single Photon Emission Computed Tomography

Oh C, Lee SY, Jang JW

No abstract available.
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Arterial Spin Labeling MRI for Quantitative Assessment of Cerebral Perfusion Before and After Cerebral Revascularization in Children with Moyamoya Disease

Ha JY, Choi YH, Lee S, Cho YJ, Cheon JE, Kim IO, Kim WS

OBJECTIVE: To determine the correlation between cerebral blood flow (CBF) on arterial spin labeling (ASL) MRI and the degree of postoperative revascularization assessed on digital subtraction angiography in children with...
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Dynamic Contrast-Enhanced Ultrasound of Gastric Cancer: Correlation with Perfusion CT and Histopathology

Joo I, Kim SH, Lee DH, Han JK

OBJECTIVE: To assess the relationship between contrast-enhanced ultrasound (CEUS) parameters and perfusion CT (PCT) parameters of gastric cancers and their correlation with histologic features. MATERIALS AND METHODS: This prospective study was...
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Prediction of Treatment Outcome of Chemotherapy Using Perfusion Computed Tomography in Patients with Unresectable Advanced Gastric Cancer

Lee DH, Kim SH, Lee SM, Han JK

OBJECTIVE: To evaluate whether data acquired from perfusion computed tomography (PCT) parameters can aid in the prediction of treatment outcome after palliative chemotherapy in patients with unresectable advanced gastric cancer...
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Predicting Malignancy Risk in Gastrointestinal Subepithelial Tumors with Contrast-Enhanced Harmonic Endoscopic Ultrasonography Using Perfusion Analysis Software

Lee HS, Cho CM, Kwon YH, Nam SY

BACKGROUND/AIMS: Contrast-enhanced harmonic endoscopic ultrasonography (CEH-EUS) is a promising imaging modality that can differentiate subepithelial tumors (SETs) by detecting the degree of enhancement. However, whether CEH-EUS alone can predict the...
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Cardiopulmonary Bypass Strategies to Maintain Brain Perfusion during Lung Transplantation in a Patient with Severe Hypercapnia

Sohn B, Park S, Lee HJ, Jeong JH, Choi SM, Lee SM, Seo JH, Kim YT

Herein, we report a case of lung transplantation in a patient with profound preoperative hypercapnia, focusing on the cardiopulmonary bypass strategy used for brain perfusion during the operation. We applied...
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Reduced Myocardial Flow Reserve Is Associated with Subendocardial Infarction and Coronary Stenosis in Patients with Coronary Artery Disease: A Perfusion MRI Study

Manabe O, Oyama-Manabe N, Naya M, Obara M, Kikuchi Y, Aikawa T, Tomiyama Y, Sugimori H, Katoh C, Tamaki N, Anzai T

OBJECTIVE: Although the relationship between coronary stenosis and myocardial perfusion is well established, little is known regarding the contribution of subendocardial infarction to this relationship. The purpose of this study...
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