Heart MRI Findings Predict Outcomes in Children with Pulmonary Hypertension | Research

The takeaway

Cardiac MRI parameters including right ventricular function and mass index predict clinical outcomes in pediatric pulmonary arterial hypertension.

36 pediatric PAH patients
CMR right ventricular parameters correlated with clinical outcomes

What the researchers found

CMR-derived right ventricular parameters (RVEF, RVESVi, RVMi, VMI) and septal curvature were associated with clinical outcomes in 36 children with pulmonary arterial hypertension.

Why it matters

Children with PAH need careful monitoring, but invasive cardiac catheterization has risks. MRI offers a non-invasive alternative to track disease progression and treatment response.

How the study worked

Prospective exploratory study of 36 children with PAH evaluated using cardiac magnetic resonance, measuring ventricular volumetric and functional parameters and correlating with clinical outcomes.

What this study cannot tell us

Small sample (36 patients). Exploratory study design — findings need validation in larger cohorts. Pediatric MRI requires sedation in younger children, limiting accessibility.

How to read the evidence

Small prospective exploratory study — provides initial evidence for CMR prognostic value in pediatric PAH.

When this study was published

Published in 2026; addresses a gap in pediatric PAH imaging research.

The bigger picture

Non-invasive monitoring tools for pediatric PAH could reduce the need for repeated catheterizations and enable more frequent disease assessment.

Questions still open

Can CMR replace catheterization for routine PAH monitoring in children?
Which MRI parameter is the strongest predictor of clinical deterioration?

Common questions

What is pulmonary arterial hypertension in children?

PAH is abnormally high blood pressure in the lung arteries that forces the right side of the heart to work harder. In children, it can affect growth, activity, and long-term survival.

Why use MRI instead of other heart tests?

Cardiac MRI provides detailed images of heart structure and function without radiation or invasive procedures, making it especially valuable for children who need repeated monitoring.

Read the original research

Cardiac Magnetic Resonance Findings and Their Association with Clinical Outcomes in Pediatric Pulmonary Arterial Hypertension: An Exploratory Study.

Journal of clinical medicine, 15(3)

View on PubMed ↗Publisher’s paper ↗

Citation

Beyazal, Meryem; Keceli, Merter; Dogan, Oguzhan; Ece, Ibrahim. (2026). Cardiac Magnetic Resonance Findings and Their Association with Clinical Outcomes in Pediatric Pulmonary Arterial Hypertension: An Exploratory Study.. Journal of clinical medicine, 15(3). https://doi.org/10.3390/jcm15031107