Key result
Computerized three-dimensional modeling from CT scans provided reproducible measurements of the intrathoracic space available for total artificial heart implantation in 15 transplant candidates.
Why the study?
Does computerized three-dimensional modeling of cardiovascular anatomy provide reproducible measurements of the intrathoracic space for total artificial heart implantation in heart transplant candidates?
Observational (n=15)
Does computerized three-dimensional modeling of cardiovascular anatomy provide reproducible measurements of the intrathoracic space for total artificial heart implantation in heart transplant candidates?
Computerized 3D modeling from CT scans can provide reproducible anatomical measurements to assess intrathoracic space compatibility for total artificial heart implantation.
Supports feasibility of 3D CT modeling for TAH sizing in transplant candidates; hypothesis-generating and requires prospective validation before clinical use.
A quantitative study of cardiovascular anatomy was performed by obtaining three-dimensional reconstructions from regular computed tomography scan images in 15 patients, all candidates for heart transplantation. Volumetric estimates of the cardiovascular structures were obtained from these three-dimensional reconstructions using data directly related to total artificial heart (TAH) implantations. By using computerized three-dimensional modeling of these structures, reproducible measurements of the parameters defining the shape and the anatomical connections of the intrathoracic space available for TAH implantation could be derived. The results are intended to be used for both technical and clinical applications such as computer-assisted drawing of the pericardial cavity and the anatomical connections (useful for improving the design of TAH) and combined statistical calculations (multiple regressions, cluster algorithm) of the measurement results, which will then enable the best selection to be made among two or three TAH models for each patient.
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Chatel et al. (1993) conducted an observational in Heart transplantation candidates (n=15). Computerized three-dimensional modeling from computed tomography scans was evaluated on Reproducible measurements of parameters defining the shape and anatomical connections of the intrathoracic space. Computerized three-dimensional modeling from CT scans provided reproducible measurements of the intrathoracic space available for total artificial heart implantation in 15 transplant candidates.
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