搜索结果: 1-15 共查到“生物医学工程 Cardiac”相关记录36条 . 查询时间(0.281 秒)
Multi Modality Imaging for Cardiac Masses Can Avoid Unnecessary Surgical Intervention: A Case Report of Caseous Calcification of Mitral Annulus
Caseous Calcification of Mitral Annulus Cardiac Tumors Cardiac MR
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2013/1/29
Mitral Annular Calcification (MAC) is a degenerative process involving the fibrous ring of the mitral valve. Caseous Calcification of Mitral Annulus (CCMA) is a rare variant of MAC. This condition is ...
Gestation-specific reference intervals for fetal cardiac Doppler indices from 12 to 40 weeks of gestation
Cardiac Doppler Fetal Gestation Age Reference Range Ultrasound
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2013/1/31
We aimed to establish gestation age specific reference intervals for Doppler indices of fetal cardiac function from 12 to 40 weeks of pregnancy. In a cross-sectional observational study of singleton p...
Multi-center pragmatic studies evaluating the time indicator of cardiac perfusion reserve
Ratio of Diastolic to Systolic Duration (D/S) Accuracy Precision Cardiac Reserve Cardiac Safety Fitness
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2013/1/28
Background: Since the greater part of coronary blood flow takes place during the diastolic phase of each cardiac cycle, a time indicator of myocardial perfusion reserve, the ratio of diastolic to syst...
Adult Cardiac-Related Deaths: A Reflection of Epidemiologic Transition of Diseases in the Developing World?
Cardiac Deaths Disease Transition
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2013/2/20
Background: Epidemiologic transition of diseases is taking place globally. Therefore, it is necessary that more work is done to unravel the situation in respect to cardiac diseases in the developing w...
Lifestyle changes in coronary heart disease—Effects of cardiac rehabilitation programs with focus on intensity, duration and content—A systematic review
Coronary Heart Disease Secondary Prevention
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2013/1/31
Background: Although coronary heart disease (CHD) is the most common cause of death worldwide the literature shows a wide variation in the arrangement of cardiac rehabilitation and achieved lifestyle ...
Inhibition of the Oversensing of Cardiac Pacemakers in Chest CT
Cardiac Pacemaker Refractory Period Oversensing Computed Tomography Chest CT
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2013/1/30
Objectives: The purpose of this study is to identify how to manage oversensing of pacemakers in chest CT. Methods: Four different models of pacemakers were examined to select the pacemaker generating ...
Rock1 Inhibitor Abrogates Chronic Rejection in Rat Cardiac Model System
Chronic Rejection Transplantation ROCK1 RhoA T Cell
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2013/1/31
Background: We have shown previously that the abrogation of acute and chronic rejection of rat cardiac allografts occurs through the down-regulation of RhoA pathway and involves the changes in RhoA ki...
Semi-automatic algorithm for construction of the left ventricular area variation curve over a complete cardiac cycle
Semi-automatic algorithm the left ventricular area a complete cardiac cycle
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2010/2/25
This work presents a method for segmentation of the left ventricle in dynamic 2D-echo 4-chamber long-axis images over the complete cardiac cycle. The proposed algorithm is based on classic image proce...
Hydrogels for cardiac tissue regeneration
Hydrogels cardiac tissue regeneration
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2010/1/7
Hydrogels for cardiac tissue regeneration。
Controlling the Cellular Organization of Tissue Engineered Cardiac Constructs
cardiomyocytes collagen hydrogel bioreactor mechanical stimulatioon in vitro development
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2010/1/7
Controlling the Cellular Organization of Tissue Engineered Cardiac Constructs。
Correction of motion artifact in cardiac optical mapping using image registration
Correction motion artifact cardiac optical mapping image registration
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2009/12/23
Correction of motion artifact in cardiac optical mapping using image registration.
Controlled Cardiac Computed Tomography
Controlled Cardiac Tomography
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2009/9/8
Cardiac computed tomography (CT) has been a hot topic for years because of the clinical importance of cardiac diseases and the rapid evolution of CT systems. In this paper, we propose a novel strategy...
Assessment of Left Ventricular Function in Cardiac MSCT Imaging by a 4D Hierarchical Surface-Volume Matching Process
MSCT 4D Hierarchical Surface-Volume Matching Process
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2009/9/8
Multislice computed tomography (MSCT) scanners offer new perspectives for cardiac kinetics evaluation with 4D dynamic sequences of high contrast and spatiotemporal resolutions. A new method is propose...
Segmentation of Myocardial Boundaries in Tagged Cardiac MRI Using Active Contours: A Gradient-Based Approach Integrating Texture Analysis
Myocardial Boundaries MRI
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2009/9/4
The noninvasive assessment of cardiac function is of first importance for the diagnosis of cardiovascular diseases. Among all medical scanners only a few enables radiologists to evaluate the local car...
Dynamic Analysis of Cardiac Excitation Propagation in Optical Mapping
optical mapping conduction velocity vector field spiral wave reentry isochronal map
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2009/6/9
A method to estimate the speed and direction of wave propagation of cardiac excitation in optical mapping and the utility are presented in this paper. Optical mapping has been widely used in arrhythmi...