ArticlePediatric cardiology2015
Right Ventricular Outflow Tract Velocity Time Integral Determination in 570 Healthy Children and in 52 Pediatric Atrial Septal Defect Patients.
Article in Pediatric cardiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 17 citations in OpenAlex.
- Pediatric Echocardiographic Nomograms: Twenty Years of Advances-Do We Now Have a Complete and Reliable Tool, or Are Gaps Still Present? An Up-to-Date Review.Journal of clinical medicine · 2025Review
- A guide to echocardiographic assessment in children and adolescents with pulmonary hypertension.Cardiovascular diagnosis and therapy · 2021Review
- Echocardiography for the Assessment of Pulmonary Hypertension and Congenital Heart Disease in the Young.Diagnostics (Basel, Switzerland) · 2020Review
- Relevance of Right Ventricular Outflow Tract Velocity Time Integral (RVOT VTI) and Tricuspid Regurgitation Velocity/RVOT VTI Ratio Determination in Children Following Heart Transplantation.Pediatric cardiology · 2018Article
- Echocardiographic Evaluation of Pulmonary Pressures and Right Ventricular Function after Pediatric Cardiac Surgery: A Simple Approach for the Intensivist.Frontiers in pediatrics · 2017Review
- Value of Right Ventricular Dilatation, Determined by Echocardiography, in Estimating Hemodynamic Significance in Children with Atrial Septal Defect.Pediatric cardiology · 2016Article
- Transthoracic echocardiography in the evaluation of pediatric pulmonary hypertension and ventricular dysfunction.Pulmonary circulation · 2016Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Determination of the right ventricular outflow tract velocity time integral (RVOT VTI) is an important part of the noninvasive investigation of pulmonary blood flow in adults; however, age-related pediatric reference data are lacking. We examined growth-related changes of RVOT VTI values in children and the predictive value of RVOT VTI values in identifying enhanced pulmonary blood flow in children with secundum type atrial septal defect (ASD). A prospective study was conducted in a group of 570 healthy children and 52 children with a moderate-sized to large ASD. We determined the effects of age, body length (BL), body weight (BW), and body surface area (BSA) on RVOT VTI values. The predictive value of normal values stratified for age, BW, BL, and BSA was tested in our 52 ASD children. RVOT VTI values ranged from mean 9.7 ± 1.2 cm in neonates to 23.3 ± 2.7 cm in children with 18 years of age and showed a positive correlation with age, BL, BSA, and BW. In our population, RVOT VTI z-scores showed a high specificity for detecting ASD patients (>97 %) with sensitivity up to 71 %. We provide normal ranges and calculated z-scores of pediatric RVOT VTI values. Normal RVOT VTI z-scores might be additional predictors in identifying increased pulmonary blood flow in patients with ASD.
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