ArticlePediatric radiology2026
Reference values for mean diameter and cross-sectional area of the pulmonary arteries in teenagers using ECG-gated 3D balanced steady‑state free precession MRI.
Article in Pediatric radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe main pulmonary artery (MPA) and branch pulmonary arteries (PAs) are commonly affected in congenital heart diseases, with residual postoperative abnormalities, a leading cause of reintervention.
objectiveTo establish normative mean diameters, area and corresponding Z-scores for the MPA and branch PAs in teenagers, utilizing respiratory-navigated non-contrast ECG-gated 3D balanced steady-state free precession (3D bSSFP) magnetic resonance imaging (MRI) in systole. MATERIALS AND
methodsThis retrospective study included patients with pectus excavatum deformity who underwent cardiac MRI between January and August 2023, excluding patients with aortopathies. Measurements of the PAs were obtained from non-contrast multiplanar reformatted 3D bSSFP datasets. Mean diameters and cross-sectional areas were calculated. Relationships between each vascular measurement and patient characteristics (age, height, and body surface area (BSA)) were assessed individually using weighted linear regression with inverse-density-based weights to account for data distribution. Additionally, Z-scores were calculated.
resultsThe study included 112 patients (91 males [81%]; mean age, 14.3±1.7 years; mean BSA, 1.63±0.2 m
conclusionWe report normative reference values for mean diameters and cross-sectional areas of the MPA and branch PAs in children 10-18 years, obtained using respiratory-navigated ECG-gated non-contrast-enhanced 3D bSSFP MRI technique in systole.
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