Quantification of the Variability Associated with Repeat Measurements of Left Ventricular Two-Dimensional Global Longitudinal Strain in a Real-World Setting

Background Global longitudinal strain (GLS) derived from two-dimensional speckle-tracking is an emerging technology, but lack of industry standards limits its application. Prior studies support using this tool to identify subclinical disease through serial changes, but the variability introduced by...

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Veröffentlicht in:	Journal of the American Society of Echocardiography 2014, Vol.27 (1), p.50-54
Hauptverfasser:	Costa, Salvatore P., MD, Beaver, Timothy A., MD, Rollor, Joyce L., MD, Vanichakarn, Pantila, MD, Magnus, Patrick C., MD, Palac, Robert T., MD
Format:	Artikel
Sprache:	eng
Schlagworte:	2D strain Cardiovascular Echocardiography Echocardiography - methods Elasticity Imaging Techniques - methods Female Global longitudinal strain Humans Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Middle Aged Observer Variation Reproducibility of Results Sensitivity and Specificity Ventricular Dysfunction, Left - diagnostic imaging
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