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CT angiography for depiction of complications after the Bentall procedure
Sara Boccalini1, Laurens E Swart1, Jos A Bekkers2
1Department of Radiology, Erasmus Medical Centre, Rotterdam, The Netherlands.
Insights
Computed tomography (CT) angiography with ECG-gating improves visualization of complications after Bentall procedures, enhancing diagnosis and reducing the need for other imaging methods. Positron emission tomography combined with CT angiography aids in detecting infections.
Area of Science:
- Cardiovascular Surgery
- Diagnostic Imaging
- Radiology
Background:
- The Bentall procedure involves composite replacement of the aortic valve and ascending aorta.
- CT angiography is the primary imaging modality for assessing complications post-Bentall procedure.
- Advances in imaging technology are enhancing diagnostic capabilities.
Purpose of the Study:
- To provide an updated review of complications following the Bentall procedure.
- To highlight the impact of technological advancements on complication detection and assessment.
- To discuss the utility of combined imaging techniques for specific complications.
Main Methods:
- Review of literature on complications after Bentall procedure.
- Discussion of the role of CT angiography, particularly with ECG-gating.
- Exploration of the combined use of positron emission tomography and CT angiography.
Main Results:
- ECG-gating in CT angiography allows for clearer visualization of the aortic valve and ascending aorta.
- Improved detection of previously undetectable complications and more precise assessment of known ones.
- Combined PET-CT offers new insights for suspected infections post-procedure.
Conclusions:
- ECG-gated CT angiography is crucial for comprehensive evaluation of Bentall procedure complications.
- Combined PET-CT imaging enhances the diagnostic accuracy for suspected infections.
- The complexity of the procedure necessitates ongoing vigilance for diverse and multiple complications.
Abstract:
Following a Bentall procedure, which comprises a composite replacement of both the aortic valve and the ascending aorta, the imaging modality of choice to depict known or suspected complications is CT angiography. An update and extension of the literature regarding complications after the Bentall procedure is provided. The wider availability of ECG-gating has allowed for a clearer depiction of the aortic valve and ascending aorta. This resulted not only in the identification of previously undetectable complications, but also in a more precise assessment of the pathophysiology and morphology of known ones, reducing the need for additional imaging modalities. Moreover, the possibility to combine positron emission tomography images with CT angiography offers new insights in case of suspected infection. Due to the complexity of the operation itself and concomitant or subsequent additional procedures, as well as the wide spectrum of underlying pathology, new scenarios with multiple complications can be expected.
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Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...