نتایج جستجو برای: روش mce

تعداد نتایج: 370568  

Journal: :Circulation 2004
Sanjiv Kaul Hiroshi Ito

In the setting of suspected acute myocardial infarction (AMI), a cardiologist needs to know three things: (1) whether there is actually an ongoing infarction, (2) whether reperfusion therapy has succeeded, and (3) how much myocardium was salvaged by reperfusion. Myocardial contrast echocardiography (MCE) can answer the first question by demonstrating the presence of a perfusion defect resulting...

Journal: :Circulation 2008
S A Hayat G Dwivedi A Jacobsen T K Lim C Kinsey R Senior

BACKGROUND We aimed to investigate the cardiac effects of left bundle-branch block (LBBB) using myocardial contrast echocardiography (MCE) to ascertain the value of MCE for detecting coronary artery disease (CAD) and to uncover the mechanism that affects the accuracy of single-photon emission computed tomography (SPECT) in these patients. METHODS AND RESULTS Sixty-three symptomatic LBBB patie...

Journal: :Circulation 2006
John J Pacella Flordeliza S Villanueva

BACKGROUND During coronary stenosis, flow reserve in the adjacent nonstenotic bed decreases, but the microvascular mechanisms are unknown. Because myocardial contrast echocardiography (MCE) assesses microvascular physiology, we used it to relate flow reserve to intramyocardial blood volume in the adjacent bed. METHODS AND RESULTS A noncritical left anterior descending (LAD) stenosis was creat...

2015
Jun Wang Ho Kyung Ryu

BACKGROUND/OBJECTIVES The present study was conducted to investigate the effects of dried Momordica charantia aqueous extracts (MCA) and ethanol extracts (MCE) on obesity and lipid profiles in mice fed a high-fat diet. MATERIALS/METHODS Forty two ICR mice were randomly divided into six groups. The normal group was fed a basal diet, and other groups were fed a 45% high-fat diet (HFD) for 7 wee...

Journal: :Kardiologia polska 2006
Krystian Wita Artur Filipecki Agnieszka Drzewiecka-Gerber Maciej Turski Anna Rybicka-Musialik Zbigniew Tabor Mariola Nowak Wojciech Wróbel Jolanta Krauze Jan Szczogiel Maria Trusz-Gluza

BACKGROUND Despite successful reperfusion therapy of acute myocardial infarction and complete restoration of infarct-related artery patency, the improvement of systolic function in long-term outcome depends on preserved microvasculature integrity. Myocardial contrast echocardiography (MCE) is a useful technique for identification of viable myocardium. AIM To assess the value of real-time myoc...

Journal: :Computers, Environment and Urban Systems 2010
Alexis J. Comber Steve Carver Steffen Fritz Robert McMorran Justin Washtell Peter F. Fisher

1 Department of Geography, University of Leicester, Leicester, LE1 7RH, UK, Tel +44 (0)116 252 3812, Fax +44 (0)116 252 3854, 2 School of Geography, University of Leeds, Leeds, LS2 9JT 3 International Institute for Applied Systems Analysis, Schlossplatz 1, A-2361, Laxenburg, Austria Tel +43 (0)2236 807 0, Fax: +43 (0)2236 71 313 4 Centre for Mountain Studies, Perth College-UHI, Perth, PH1 2NX, ...

Journal: :British heart journal 1995
S Kaul

Myocardial contrast echocardiography (MCE) is a relatively new technique that utilises the intravascular injection of microbubbles of air.' As these bubbles traverse the coronary microcirculation, they produce myocardial opacification that can be seen and measured. During their transit through the myocardium these bubbles remain entirely within the intravascular space and, if they are small, th...

Journal: :Chemical communications 2015
Yan Yang Qian-Chong Zhang Yin-Yin Pan La-Sheng Long Lan-Sun Zheng

Magnetocaloric effect (MCE) and thermal conductivity of two gadolinium hydroxides, Gd(OH)3 (1) and Gd2O(OH)4(H2O)2 (2), are investigated. Magnetic studies indicate that both 1 and 2 exhibit antiferromagnetic interaction, and the MCE values for 1 and 2 at 2 K and ΔH = 7 T are 62.00 J kg(-1) K(-1) and 59.09 J kg(-1) K(-1), respectively. Investigation of their thermal conductivity reveals that the...

Journal: :International Journal of Geographical Information Science 2000
Hong Jiang J. Ronald Eastman

Multi-criteria evaluation (MCE) is perhaps the most fundamental of decision support operations in geographical information systems (GIS). This paper reviews two main MCE approaches employed in GIS, namely Boolean and Weighted Linear Combination (WLC), and discusses issues and problems associated with both. To resolve the conceptual di€ erences between the two approaches, this paper proposes the...

2008
Arika Ligmann-Zielinska Piotr Jankowski

The paper presents a framework for sensitivity analysis (SA) in spatial multiple criteria evaluation (S-MCE). The framework focuses on three aspects of S-MCE: spatiality, scope, and cardinality. Spatiality stresses the importance of spatial criteria and spatial weights that should be explicitly considered in GIS-based MCE. Scope relates to the extent of SA, ranging from local one-at-a-time crit...

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