Three-dimensional echocardiography provided faster processing times than 2DE (0.6 vs. 2.7 min, p<0.001) and good agreement for left atrial volume, but weak agreement for strain.
Cross-Sectional (n=50)
Does 3DE provide better agreement, reproducibility, and processing time compared to 2DE for assessing left atrial volume and deformation in children?
In children with structurally normal hearts, 3DE provides faster processing times and excellent reproducibility for LA volume assessment compared to 2DE, though agreement for LA strain is weak.
Absolute Event Rate: 0.6% vs 2.7%
p-value: p=<0.001
BACKGROUND: Left atrial (LA) volume and function are important for assessing pediatric diastolic dysfunction (DD). Three-dimensional echocardiographic (3DE) LA assessment may overcome limitations and assumptions inherent in two-dimensional echocardiographic (2DE). METHODS: We conducted a cross-sectional study of children under 18 years of age with structurally normal hearts, using transthoracic 3DE apical volume datasets. LA volumetric function and phasic deformation analyses were performed using 3DE (GE, EchoPAC 4DLAQ v206, near fully-automated) and 2DE (TomTec, TTA2.51, CPA, manual) was performed by three operators and processing time was collected. Agreement and reproducibility was assessment for each modality. RESULTS: Fifty patients (median age 12.8 years) were included. Processing time for 3DE was shorter than for 2DE (0.6 vs. 2.7 min, p < 0.001). 3DE and 2DE showed good agreement for maximum LA volume (LAV CONCLUSION: 3DE provides excellent interobserver reproducibility for LA volume assessment and faster processing times compared to 2DE. 3DE and 2DE show good agreement for LA volume. Agreement for LA strain is weak. Further studies are needed to determine which better predicts clinical outcomes.
Kiener et al. (Wed,) conducted a cross-sectional in Structurally normal hearts (n=50). Three-dimensional echocardiography (3DE) vs. Two-dimensional echocardiography (2DE) was evaluated on Processing time (p=<0.001). Three-dimensional echocardiography provided faster processing times than 2DE (0.6 vs. 2.7 min, p<0.001) and good agreement for left atrial volume, but weak agreement for strain.