Pediatric ranges of normality for 2D speckle-tracking echocardiography atrial strain: differences between p- and r-gating and among new (Atrial Designed) and conventional (Ventricular Specific) software's.
atrial
congenital pediatric
strain
Journal
Echocardiography (Mount Kisco, N.Y.)
ISSN: 1540-8175
Titre abrégé: Echocardiography
Pays: United States
ID NLM: 8511187
Informations de publication
Date de publication:
12 2021
12 2021
Historique:
revised:
13
10
2021
received:
01
09
2021
accepted:
21
10
2021
pubmed:
26
11
2021
medline:
27
1
2022
entrez:
25
11
2021
Statut:
ppublish
Résumé
2D speckle tracking echocardiography (STE) atrial strain (ε) analysis in children is gaining interest; however, pediatric nomograms remain limited. Comparison among conventional software's (designed for left ventricle and adapted to atria and using R-gating analysis) and new software's (designed for atria and allowing for both R- and P-gating) are lacking. The present study aims to establish pediatric nomograms for atrial ε using an atrial dedicated software and to compare values obtained by (a) R- and P-gating and, (b) R-gating with new and conventional software. Echocardiographic measurements included STE left (LA) and right (RA) atrial longitudinal reservoir, conduit and contractile ε. Age/weigh/height/heart rate, and body surface area (BSA) were used as independent variables in the statistical analysis. In all, 580 healthy subjects (age range, 31 days-18 years; mean age 7.5 years; median age 7.1 years; inter-quartile range, 4.3-10.7 months; 45.5% female) were included. Feasibility of atrial ε measurements was high (98.9-96.8%). At lower age, atrial conduit ε was lower (p<0.001) while contractile ε was higher (p<0.001). All atrial ε values calculated with P-gating method were lower-than R-gating values (p<0.001). R-gated LA ε reservoir values generated with the new software were lower, and R-gated RA contractile ε higher than with the conventional software (p<0.011). We report pediatric atrial ε values from a dedicated atrial software. Maturational changes in STE atrial ε values were demonstrated. Significant differences were observed among ε values obtained with P- and R-gating and with different software's.
Sections du résumé
BACKGROUND
2D speckle tracking echocardiography (STE) atrial strain (ε) analysis in children is gaining interest; however, pediatric nomograms remain limited. Comparison among conventional software's (designed for left ventricle and adapted to atria and using R-gating analysis) and new software's (designed for atria and allowing for both R- and P-gating) are lacking. The present study aims to establish pediatric nomograms for atrial ε using an atrial dedicated software and to compare values obtained by (a) R- and P-gating and, (b) R-gating with new and conventional software.
METHODS
Echocardiographic measurements included STE left (LA) and right (RA) atrial longitudinal reservoir, conduit and contractile ε. Age/weigh/height/heart rate, and body surface area (BSA) were used as independent variables in the statistical analysis.
RESULTS
In all, 580 healthy subjects (age range, 31 days-18 years; mean age 7.5 years; median age 7.1 years; inter-quartile range, 4.3-10.7 months; 45.5% female) were included. Feasibility of atrial ε measurements was high (98.9-96.8%). At lower age, atrial conduit ε was lower (p<0.001) while contractile ε was higher (p<0.001). All atrial ε values calculated with P-gating method were lower-than R-gating values (p<0.001). R-gated LA ε reservoir values generated with the new software were lower, and R-gated RA contractile ε higher than with the conventional software (p<0.011).
CONCLUSION
We report pediatric atrial ε values from a dedicated atrial software. Maturational changes in STE atrial ε values were demonstrated. Significant differences were observed among ε values obtained with P- and R-gating and with different software's.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2025-2031Informations de copyright
© 2021 Wiley Periodicals LLC.
Références
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