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Validation of a telemedicine software application for an automated treatment of cardio-vascular MRI completely identical for both CHUs.
Providing the software application to other CHU seeking a tool suitable for multi-centric studies.
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Scientific context:
Cardiac MRI has become a standard technique for determining the size of myocardial infarction as well as evaluating myocardial function and perfusion. However, the quantitative analysis of the images targeted on the left and right ventricles relies on computer treatments often manual so tedious and dependent on the user, or at best semi-automatic. The absence of a completely automated method limits the extraction of quantitative and reproducible parameters for each patient, which is necessary for the follow-up of patients who have had an acute myocardial infarction.
Objective (s):
The goal is to integrate in a telemedicine software solution (partnership with the company Covalia) an automated method of processing these data completely identical for both CHUs. This development could be made available to other UHC seeking a tool suitable for multicenter studies.
Materials and Methods:
An engineer will be recruited to develop algorithms for robust, reliable and ergonomic software for the study of myocardial function and perfusion. The software will be accessible by users via the internet, and will integrate all the security and personal protection constraints that a telemedicine tool requires. The telemedicine aspect will be done in partnership with the company Covalia, which obtained for its software solutions CE marking thanks to an organization ISO 13485 applied to the whole of the company.
The images used for the realization of the software will be taken from the Besançon patient examinations included in the previous PHRC (1) and will be used after anonymisation.
Validation of the software will be based on current BioCard PHRC examinations in Dijon and Besançon. This study concerning the implementation and the validation of a software, a hundred of cases will be included in order to obtain a sufficient representation of the included population (ie sufficient observable variability) to validate the technical characteristics of the software (reliability, reproducibility, sensitivity, precision).
The software will automatically provide the calculation of tele-diastolic and tele-systolic volumes, ejection fraction, thickness and myocardial thickening. In addition, the study of myocardial infusion after injection of a contrast medium will consist of the construction of parametric perfusion maps, as well as an automatic determination of myocardial viability. The development of the computer tool will be based on the software "Quantified Imaging Resource", developed by Alain Lalande and Alexandre Comte and whose results have already been the subject of publications.
The aforementioned parameters will be calculated automatically (with the software) and manually (2 experts will perform these calculations). The results will then be compared and analyzed by the statisticians of the Besançon and Dijon clinical investigation centers
(1) : Détermination du taux et du type de progéniteurs vasculaires dans l'infarctus myocardique avec et sans sus décalage du segment ST - 2005 - Dr Meneveau (cardiologie)
4- Expected results and perspectives (less than 30 words)
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