Key result
Left ventricular torsion and rotation showed a tendency to be higher in preschool-age children compared to school-age children, though the overall differences were not statistically significant.
Why the study?
How do left ventricular rotation and torsion change with aging in healthy children?
Cross-Sectional (n=40)
No
How do left ventricular rotation and torsion change with aging in healthy children?
Absolute Event Rate: 12.6% vs 9.5%
p-value: p=NS
Speckle tracking echocardiography reveals a tendency for higher left ventricular rotation values in preschool-age children compared to school-age children, though torsion values do not significantly differ.
No significant age-related LV torsion change seen in healthy children; leaves open need for larger studies to establish pediatric norms.
BACKGROUND: The speckle tracking echocardiography can benefit to assess the regional myocardial deformations. Although, previous reports suggested no significant change in left ventricular (LV) torsion with aging, there are certain differences in LV rotation at the base and apex. The purpose of this study was to evaluate the change and relationship of LV rotation for torsion with aging in children. METHODS: Forty healthy children were recruited and divided into two groups of twenty based on whether the children were preschool-age (2-6 years of age) or school-age (7-12 years of age). After obtaining conventional echocardiographic data, apical and basal short axis rotation were assessed with speckle tracking echocardiography. LV rotation in the basal and apical short axis planes was determined using six myocardial segments along the central axis. RESULTS: < 0.01). The torsion values did not demonstrate the statistical difference between two groups. CONCLUSION: This study revealed the tendency of higher rotation values in preschool-age children than in school-age children. The lesser values of rotation and torsion with increased age during childhood warrant further investigation.
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Kim et al. (2016) conducted a cross-sectional in Healthy children (n=40). Preschool age (2-6 years) vs. School age (7-14 years) was evaluated on Left ventricular torsion (°/cm) (p=NS). Left ventricular torsion and rotation showed a tendency to be higher in preschool-age children compared to school-age children, though the overall differences were not statistically significant.
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