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Koestenberger, M; Nagel, B; Ravekes, W; Gamillscheg, A; Pichler, G; Avian, A; Heinzl, B; Binder, C; Cvirn, G; Urlesberger, B.
Right ventricular performance in preterm and term neonates: reference values of the tricuspid annular peak systolic velocity measured by tissue Doppler imaging.
Neonatology. 2013; 103(4):281-286 Doi: 10.1159/000348521
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Leading authors Med Uni Graz
Koestenberger Martin
Co-authors Med Uni Graz
Avian Alexander
Binder-Heschl Corinna
Cvirn Gerhard
Gamillscheg Andreas
Nagel Bert Hermann Philipp
Pichler Gerhard
Urlesberger Berndt
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Abstract:
Background: The tricuspid annular peak systolic velocity (S') is an echocardiographic measurement to assess systolic right ventricular function in adults and children. Objective: We determined growth and birth weight-related changes of S' to establish reference values in preterm and term neonates. Methods: A prospective study was conducted in a group of 290 preterm and term neonates (gestational age 26 + 0 to 40 + 6 weeks of gestation; birth weight 660-4,460 g). A correlation of S' values with established tricuspid annular plane systolic excursion (TAPSE) values was performed. Results: The S' ranged from a mean of 4.5 cm/s (Z-score +/- 2 SD: 3.6-5.5 cm/s) in preterm neonates in week 26(0-6) of gestation to 7.8 cm/s (Z-score +/- 2 SD: 5.5-10.1 cm/s) in term neonates in week 40(0-6) of gestation. The S' values increased from 26 to 40 weeks of gestation. S' and week of gestation are strongly correlated: Pearson's correlation coefficient was 0.66 for week of gestation - S' (p < 0.001). A significant correlation was found between S' and TAPSE values (r = 0.67; p < 0.001). Conclusion: Z-scores of S' values were calculated and percentile charts were established to serve as reference data for preterm and term neonates with structurally normal hearts. Copyright (C) 2013 S. Karger AG, Basel
Find related publications in this database (using NLM MeSH Indexing)
Birth Weight -
Echocardiography, Doppler, Color -
Echocardiography, Doppler, Pulsed -
Female -
Gestational Age -
Heart Ventricles - ultrasonography
Humans -
Infant, Newborn -
Infant, Premature -
Infant, Very Low Birth Weight -
Linear Models -
Male -
Predictive Value of Tests -
Prospective Studies -
Reference Values -
Term Birth -
Tricuspid Valve - ultrasonography
Ventricular Function, Right -

Find related publications in this database (Keywords)
Tricuspid annular peak systolic velocity
Longitudinal systolic right ventricular function
Preterm
Neonates
Reference values
Birth weight
Z-score
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