نتایج جستجو برای: tracking echocardiography
تعداد نتایج: 156087 فیلتر نتایج به سال:
AIM This study aimed to test the accuracy of a speckle tracking algorithm to assess myocardial deformation in a large range of heart rates and strain magnitudes compared to sonomicrometry. METHODS AND RESULTS Using a tissue-mimicking phantom with cyclic radial deformation, radial strain derived from speckle tracking (RS-SpT) of the upper segment was assessed in short axis view by conventional...
UNLABELLED Ischemic mitral regurgitation (MR) is an established adverse prognostic factor after myocardial infarction (MI). Functional ischemic mitral regurgitation in acute phase of MI remains under-investigated due to its often transient and dynamic nature. We aimed to assess left ventricular (LV) mechanics by speckle-tracking echocardiography in acute inferoposterior MI and ischemic mitral r...
BACKGROUND AND OBJECTIVES Left atrial (LA) fibrosis is a main determinant of LA remodeling and development of atrial fibrillation. However, non-invasive prediction of LA fibrosis is challenging. We investigated whether preoperative LA strain as measured by speckle tracking echocardiography could predict the degree of LA fibrosis and LA reverse remodeling after mitral valve (MV) surgery. SUBJE...
strain measurement with 2-dimensional speckle-tracking echocardiography: definition of normal range. Impact of myocardial structure and function postinfarction on diastolic strain measurements: Implications for assessment of myocardial viability.gression of left ventricular diastolic dysfunction and risk of heart failure. Normal ranges of left ven-tricular strain: a meta-analysis. Inter-study r...
Background Because conventional echocardiographic parameters have several limitations, strain echocardiography has often been introduced in clinical practice. However, there are also obstacles in using it in clinical practice. Therefore, we wanted to find the current status of awareness on using strain echocardiography in Korea. Methods We conducted a nationwide survey to evaluate current use...
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