Peer-reviewed veterinary case report
3D CT angiography images show heart vessel defect in dog
By Saunders, A B et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2019·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: A pictorial view of the three-dimensional representation and comparative two-dimensional image orientation derived from computed tomography angiography in a dog with a patent ductus arteriosus.
- Species:
- dog
Plain-English summary
A 2-year-old mixed-breed dog was diagnosed with a patent ductus arteriosus (PDA), a heart condition where a blood vessel fails to close properly after birth. To better understand the shape and size of the PDA, veterinarians used advanced imaging techniques, including computed tomography angiography (CTA), which provided detailed three-dimensional images. These 3D images helped the vets assess the condition more accurately than traditional two-dimensional imaging methods. This improved understanding is crucial for planning effective treatment, such as surgical closure of the PDA.
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Abstract
Patent ductus arteriosus (PDA) occlusion is one of the more common cardiovascular procedures performed in dogs. Two-dimensional imaging has been the primary method of visualizing the PDA and is the basis of its morphologic description. Transesophageal echocardiographic imaging has further characterized the three-dimensional (3D) variation in ductal morphology and shape (circle, oval). An accurate assessment of the shape and dimensions of a PDA in an individual dog is important when making decisions about definitive closure. Ductal measurements from angiography and echocardiography have not been found to be interchangeable, likely related in part to the static two-dimensional measurement of a 3D structure. We describe the use of computed tomography angiography (CTA) images imported into three software programs as a tool to provide 3D information about PDA anatomy including a comparison to images obtained from classic two-dimensional imaging modalities. These images provide an example of thorax and heart position related to transducer position and the orientation of image acquisition to demonstrate why measurements do not always compare. Additionally, 3D images are useful as a training tool and in the development of devices and training opportunities. Multidimensional imaging provides a unique representation of the 3D anatomical structure of the ductus arteriosus as displayed in these images from a dog with a PDA.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/30797443/