Ultrasound Speckle Tracking Strain Estimation of in Vivo Carotid Artery Plaque with in Vitro Sonomicrometry Validation

Ultrasound Speckle Tracking Strain Estimation of in Vivo Carotid Artery Plaque with in Vitro Sonomicrometry Validation

Abstract Our objective was to validate a previously developed speckle tracking (ST) algorithm to assess strain in common carotid artery plaques. Radial and longitudinal strain was measured in common carotid artery gel phantoms with a plaque-mimicking inclusion using an in-house ST algorithm and sono...

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Veröffentlicht in:Ultrasound in medicine & biology 2015-01, Vol.41 (1), p.77-88
Hauptverfasser: Widman, Erik, Caidahl, Kenneth, Heyde, Brecht, D’hooge, Jan, Larsson, Matilda
Format: Artikel
Sprache:eng
Schlagworte:
Algorithms
Cardiac and Cardiovascular Systems
Carotid artery
Carotid Stenosis - diagnostic imaging
Carotid Stenosis - physiopathology
Carotid Stenosis/diagnostic imaging/physiopathology
Computer-Assisted/methods
Elastic Modulus
Elasticity Imaging Techniques - instrumentation
Elasticity Imaging Techniques - methods
Elasticity Imaging Techniques/instrumentation/methods
Humans
Image Enhancement - methods
Image Interpretation
Image Interpretation, Computer-Assisted - methods
Imaging
In vitro
In vivo
Invitro
Invivo
In vitro
In vivo
Kardiologi
Mechanical
Phantom
Phantoms
Phantoms, Imaging
Plaque characterization
Radiology
Reproducibility of Results
Sensitivity and Specificity
Speckle tracking
Strain
Stress
Stress, Mechanical
Ultrasound
Validation
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Beschreibung
Zusammenfassung:Abstract Our objective was to validate a previously developed speckle tracking (ST) algorithm to assess strain in common carotid artery plaques. Radial and longitudinal strain was measured in common carotid artery gel phantoms with a plaque-mimicking inclusion using an in-house ST algorithm and sonomicrometry. Moreover, plaque strain by ST for seven patients (77 ± 6 y) with carotid atherosclerosis was compared with a quantitative visual assessment by two experienced physicians. In vitro , good correlation existed between ST and sonomicrometry peak strains, both radially (r = 0.96, p  
ISSN:0301-5629
1879-291X
1879-291X
DOI:10.1016/j.ultrasmedbio.2014.06.013