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.
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.
Authors: Angela B S Santos; Gabriela Querejeta Roca; Brian Claggett; Nancy K Sweitzer; Sanjiv J Shah; Inder S Anand; James C Fang; Michael R Zile; Bertram Pitt; Scott D Solomon; Amil M Shah Journal: Circ Heart Fail Date: 2016-04 Impact factor: 8.790
Authors: Angela B S Santos; Elisabeth Kraigher-Krainer; Deepak K Gupta; Brian Claggett; Michael R Zile; Burkert Pieske; Adriaan A Voors; Marty Lefkowitz; Toni Bransford; Victor Shi; Milton Packer; John J V McMurray; Amil M Shah; Scott D Solomon Journal: Eur J Heart Fail Date: 2014-08-19 Impact factor: 15.534
Authors: Kálmán Havasi; Péter Domsik; Anita Kalapos; Jackie S McGhie; Jolien W Roos-Hesselink; Tamás Forster; Attila Nemes Journal: Arq Bras Cardiol Date: 2017-02-13 Impact factor: 2.000
Authors: Attila Nemes; Györgyike Ágnes Piros; Csaba Lengyel; Péter Domsik; Anita Kalapos; Tamás T Várkonyi; Andrea Orosz; Tamás Forster Journal: Anatol J Cardiol Date: 2015-11-25 Impact factor: 1.596