Key result
Stepwise manipulation of cardiac CT multi-planar reconstruction successfully reproduced configurations similar to TEE views, enabling preoperative prediction of intraoperative imaging.
Why the study?
Preoperative planning uses cardiac CT while intraoperative guidance relies on TEE and fluoroscopy, creating a gap between these imaging tools.
A novel stepwise CT manipulation method can mimic TEE views, potentially improving preoperative planning and intraoperative accuracy for structural heart interventions.
Cardiac computed tomography (CT) is increasingly used to plan transcatheter structural heart interventions. However, intraoperative guidance relies on transesophageal echocardiography (TEE) and fluoroscopy. This study sought to develop a stepwise CT multi-planar reconstruction manipulation method to mimic TEE, bridging the gap between preoperative planning and intraoperative guidance tools. This CT manipulation reproduced similar configurations as TEE views in the mid-esophageal left ventricle (LV) views, transgastric LV 2-chamber views for mitral apparatus, and other miscellaneous views. Stepwise cardiac CT manipulation to mimic TEE is the final piece of the puzzle in the mental co-registration of these three crucial imaging modalities. Now, we can predict the TEE images and fluoroscopy projections in a preoperative rehearsal, thus improving the intraoperative accuracy of interventions.
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Lai et al. (2020) studied Transcatheter structural heart interventions. Stepwise cardiac CT multi-planar reconstruction manipulation was evaluated on Reproduction of similar configurations as TEE views. Stepwise manipulation of cardiac CT multi-planar reconstruction successfully reproduced configurations similar to TEE views, enabling preoperative prediction of intraoperative imaging.
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