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Updated: May 5, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Pulmonary regurgitation: not a benign lesion
Beatriz Bouzas1, Philip J Kilner, Michael A Gatzoulis
1Adult Congenital Heart Centre, Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK.
Pulmonary regurgitation (PR) after heart procedures can harm right ventricular function long-term. Early pulmonary valve replacement (PVR) is crucial before irreversible damage occurs, improving patient outcomes.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Pulmonary regurgitation (PR) frequently occurs after pulmonary stenosis interventions and tetralogy of Fallot repair.
- While often asymptomatic in childhood, chronic PR detrimentally impacts right ventricular (RV) function and exercise capacity.
- Long-term consequences include increased risks of arrhythmia and sudden cardiac death (SCD).
Purpose of the Study:
- To highlight the long-term implications of significant pulmonary regurgitation.
- To emphasize the role of advanced imaging in assessing PR and RV function.
- To guide the optimal timing for pulmonary valve replacement (PVR).
Main Methods:
- Utilizes cardiovascular magnetic resonance (CMR) for non-invasive assessment of PR severity.
- Evaluates right ventricular (RV) function and dimensions.
- Correlates imaging findings with clinical status and exercise capacity.
Main Results:
- Cardiovascular magnetic resonance (CMR) offers improved assessment of PR and RV function.
- Identifies patients at risk for RV dysfunction and adverse events.
- Provides objective data to support timely PVR decisions.
Conclusions:
- Early detection and monitoring of PR using advanced imaging are essential.
- Pulmonary valve replacement (PVR) should be considered before irreversible RV dysfunction develops.
- Timely intervention can mitigate long-term risks associated with chronic pulmonary regurgitation.
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