Three-Dimensional Echocardiography in Congenital Heart Disease

Three-dimensional echocardiography (3DE) has revolutionised the assessment and management of congenital heart disease by offering volumetric reconstructions of cardiac anatomy in real time. Unlike two-dimensional imaging, 3DE captures entire chambers, valves and septal structures in a single data set, allowing precise quantification of volumes, dynamic visualisation of intracardiac flow and detailed appraisal of complex lesions. This modality has become integral to pre-operative planning, enabling surgeons to appreciate the spatial relationships of defects and to simulate surgical repairs or device closures. In the catheter laboratory, live three-dimensional guidance enhances the safety and efficacy of interventional procedures, from atrial septal defect closures to valve implantations.

Technological advances in matrix-array transducers, multiplanar reconstruction and high-resolution rendering have expanded clinical applications. Colour flow and Doppler modalities in three dimensions permit calculation of regurgitant volumes and shunt quantification, while fusion imaging combines 3DE with fluoroscopy or computed tomography for comprehensive procedural guidance. Emerging post-processing techniques, such as TrueVue light source simulation and glass-mode rendering, further improve tissue contrast and transparency, facilitating interpretation by multidisciplinary teams. As hardware and software evolve, 3DE continues to bridge diagnostic imaging and interventional therapy in paediatric and adult congenital programmes worldwide.

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Three-Dimensional Echocardiography in Congenital Heart Disease publication trend

The graph below shows the total number of articles in three-dimensional echocardiography in congenital heart disease across all publications each year (not limited to Nature Index journals).

Technical terms

Three-dimensional echocardiography (3DE): An ultrasound technique that acquires volumetric data sets of the heart, enabling real-time reconstructions of cardiac structures and flow dynamics.

Real-time 3D echocardiography (RT-3DE): A mode of 3DE that captures live volumetric images at frame rates sufficient for dynamic assessment of cardiac motion.

Transthoracic echocardiography (TTE): Non-invasive ultrasound imaging performed through the chest wall, commonly used for initial assessment and serial monitoring.

Transoesophageal echocardiography (TOE): An invasive ultrasound technique in which a probe is positioned in the oesophagus to obtain high-resolution images of posterior cardiac structures.

Ventricular septal defect (VSD): A congenital cardiac anomaly characterised by an opening in the interventricular septum, leading to left-to-right shunting of blood.

TrueVue imaging: A proprietary rendering technique that simulates a virtual light source to enhance depth perception and tissue contrast in three-dimensional echocardiography.

References

1. Educational Series in Congenital Heart Disease: Three-dimensional echocardiography in congenital heart disease. Echo Research & Practice (2019).
2. Assessment of ventricular septal defects by real-time three-dimensional echocardiography and comparison with surgical measurements. Progress in Pediatric Cardiology (2022).
3. Novel TrueVue series of 3D echocardiography: Revealing the pathological morphology of congenital heart disease. Frontiers in Physiology (2022).
4. Feasibility and accuracy of real-time three-dimensional echocardiography in evaluating the aortic valve in children. The Egyptian Heart Journal (2020).