Quantitative validation of left atrial structure and function by two-dimensional and three-dimensional speckle tracking echocardiography: a comparative study with three-dimensional computed tomography.
J Cardiol
; 62(3): 188-94, 2013 Sep.
Article
em En
| MEDLINE
| ID: mdl-23672788
ABSTRACT
BACKGROUND:
The aim of this study was to validate the accuracy of three-dimensional (3D) speckle tracking echocardiography (STE) and two-dimensional (2D)-STE for the assessment of left atrial (LA) volume and function by comparison with 3D-computed tomography (CT) performed on the same day as STE.METHODS:
LA phasic volume and emptying function (EF) were measured in 28 patients with paroxysmal atrial fibrillation undergoing catheter ablation (62±11 years old) using both 3D-STE and 2D-STE during sinus rhythm. LA phasic volume and function measured by 3D-STE and 2D-STE were validated using 3D-CT as a gold standard.RESULTS:
The intraobserver correlation coefficient and variability in maximum LA volume assessed by 3D-STE were 0.99 and 1.4±6.0%, respectively. The interobserver correlation coefficient and variability in maximum LA volume assessed by 3D-STE were 0.99 and 0.2±4.5%, respectively. There were strong correlations between LA phasic volume measured by 3D-CT and those measured by 3D-STE (r=0.98, p<0.001). There were correlations between LA phasic function measured by 3D-CT and those measured by 3D-STE (r=0.85-0.88, p<0.001). There was a better agreement between 3D-CT and 3D-STE in the assessment of LA phasic volumes and function than between 3D-CT and 2D-STE in apical 2- and 4-chamber view.CONCLUSIONS:
3D-STE allows more accurate measurement of LA volume and function than 2D-STE and has high reproducibility.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ecocardiografia
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Tomografia Computadorizada por Raios X
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Função do Átrio Esquerdo
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Ecocardiografia Tridimensional
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Imageamento Tridimensional
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Coração
Limite:
Aged
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
J Cardiol
Assunto da revista:
CARDIOLOGIA
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Japão