Effect of Cardiac Resynchronization Therapy on Longitudinal and Circumferential Left Ventricular Mechanics by Velocity Vector Imaging: Description and Initial Clinical Application of a Novel Method Using High-Frame Rate B-Mode Echocardiographic Images
- Topics:
- Healthcare Services
- Tags:
- Cardiac Resynchronization Therapy,
- Therapy,
- Software,
- Siemens AG,
- Patient,
- Managerial Accounting,
- Imaging,
- Finance,
- Enterprise Software,
- Document Management,
- ...
- Source:
- Siemens
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Overview: Cardiac Resynchronization Therapy (CRT) has emerged as an important method to treat patient with symptomatic heart failure with evidence of intraventricular dyssynchrony. Tissue Doppler imaging by echocardiography has been shown to be an excellent tool for the assessment of mechanical left ventricular dyssynchrony and the selection of patients for CRT. However, there are some patients who do not show symptomatic improvement following CRT. One possible explanation for this is the need to optimize not only longitudinal synchrony, but also improve the circumferential and radial dynamics of the left ventricle. Doppler imaging does not allow reliable assessment of the latter because of the angle-dependency of the technique.
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Format: PDF | Size: 149KB | Date: Nov 2005 | Pages: 5
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