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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
Published on: December 9, 2021
Cardiac angio-CT scan for planning MIDCAB
Philippe-Primo R Caimmi1, Rita Fossaceca, Marco Lanfranchi
1Department of Cardiac Surgery, Ospedale Maggiore della Carita', University of East Piedmont A. Avogadro, Novara, Italy. philippeprimo.caimmi@tin.it
Insights
Computed tomographic coronary angiography (angio-CT) provides precise 3D visualization of thoracic anatomy, crucial for planning safe minimally invasive direct coronary artery bypass (MIDCAB) surgery. This imaging method aids in patient selection and optimizing surgical access, minimizing complications and conversions.
Area of Science:
- Cardiovascular Surgery
- Medical Imaging
- Thoracic Anatomy
Background:
- Safe minimally invasive direct coronary artery bypass (MIDCAB) requires precise evaluation of cardiac and thoracic anatomy.
- Accurate visualization of surgical anatomy is essential for assessing the feasibility of direct exposure of relevant structures.
Purpose of the Study:
- To evaluate the utility of cardiac computed tomographic coronary angiography (angio-CT) in patient selection for MIDCAB.
- To determine if angio-CT can help avoid surgical complications and minimize conversion to standard procedures.
- To assess the role of angio-CT in choosing the optimal surgical access for MIDCAB.
Main Methods:
- Utilizing three-dimensional (3D) images from cardiac angio-CT scans.
- Precisely defining morphological parameters of coronary arteries (diameter, calcification, intramyocardial position).
- Evaluating bypass grafts and internal thoracic artery (ITA) displacement.
Main Results:
- Cardiac angio-CT enables accurate visualization of intrathoracic surgical anatomy.
- The method precisely defines key morphological parameters of coronary arteries and grafts.
- Preliminary experience suggests angio-CT is valuable for patient selection and surgical planning in MIDCAB.
Conclusions:
- Cardiac angio-CT is a valuable tool for preoperative assessment in MIDCAB surgery.
- It enhances the safety and efficiency of MIDCAB by improving patient selection and surgical approach.
- This imaging modality helps reduce surgical complications and the need for conversion to conventional surgery.
Abstract:
Precise evaluation of the cardiac and thoracic anatomy of the patient is mandatory for planning safe minimally invasive direct coronary artery bypass (MIDCAB). Three-dimensional images obtained with a computed tomographic coronary angiography (angio-CT) scan make it possible to accurately visualize the intrathoracic surgical anatomy in order to check the feasibility of the direct exposure of the anatomical structures involved in the surgical procedure. Particular morphological parameters of coronary arteries such as diameter, wall calcification, and intramyocardial position as well as bypass grafts and internal thoracic artery (ITA) displacement can all be precisely defined with this method. We present our preliminary experience using cardiac angio-CT scan as a method for selecting patients for MIDCAB in order to avoid possible surgical complications to minimize the necessity for conversion to the standard surgical approach as well as for choosing the best surgical access.
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