The effects of obesity on longitudinal ventricular and atrial strain in a rural population of Spanish children and adolescents, evaluated by a new strain software
Authors' conclusion
Utilizing this new strain software, children and adolescents with high BMI were associated with significantly lower values for left and right ventricular free wall longitudinal strain, without impact in left atrial strain.
Study context
- Population
- Children and adolescents aged 6–17 years from a town in the South of Spain
- Participants
- 198 children
- Exposure
- Obesity and overweight vs normal weight
- Outcome
- Left and right ventricular and left atrial strain values by BMI category
Main finding
As reported in the abstract
LV global longitudinal strain (absolute values)
P = 0.002
Observational data: associations, not effects.
Further findings
RV free wall longitudinal strain (absolute values) · lower with obesity and overweight
P = 0.04
- RV four-chamber longitudinal strain, males
- P = 0.03
- RV four-chamber longitudinal strain, males: lower in males with obesity and overweight (24.8 ± 3.3% vs. 26.4 ± 3.6%)
Correlation of body mass index (BMI) with strain
- Significant negative correlations of BMI with all ventricular, but not atrial, strain values in univariate analysis
- Association non-significant for RV four-chamber longitudinal strain in multivariate analysis
Original publication
The effects of obesity on longitudinal ventricular and atrial strain in a rural population of Spanish children and adolescents, evaluated by a new strain software. Pediatr Obes. Published 9 August 2023. doi:10.
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