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382 results on '"Cochet H"'

1. Impact of additional pulsed field ablation in unsuccessful radiofrequency linear lesions -acute and chronic data

Author

Yokoyama, M, primary, Vlachos, K, additional, Kowalewski, C, additional, Ascione, C, additional, Moussaoui, N, additional, Arnaud, M, additional, Bouyer, B, additional, Tixier, R, additional, Duchateau, J, additional, Pambrun, T, additional, Derval, N, additional, Hocini, M, additional, Sacher, F, additional, Haissaguerre, M, additional, Jais, P, additional, Monaco, C, additional, Benali, K, additional, Popa, M, additional, Spittler, R, additional, Kneizeh, K, additional, Buliard, S, additional, Chauvel, R, additional, and Cochet, H, additional

Published
2024
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2. Computed tomography as a predictive tool for ventricular tachycardia

Author

Kowalewski, C, primary, Nunez-Garcia, M, additional, Bouteiller, X, additional, Vlachos, K, additional, Benali, K, additional, Monaco, C, additional, Bouyer, B, additional, Ly, B, additional, Sermesant, M, additional, Yokoyama, M, additional, Pambrun, T, additional, Derval, N, additional, Cochet, H, additional, Haissaguerre, M, additional, and Jais, P, additional

Published
2024
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3. Electrophysiological characteristics and durability of index pulsed field ablation lesions from redo procedures for atrial arrhythmia recurrences

Author

Yokoyama, M, primary, Vlachos, K, additional, Kowalewski, C, additional, Ascione, C, additional, Moussaoui, N, additional, Arnaud, M, additional, Bouyer, B, additional, Tixier, R, additional, Duchateau, J, additional, Pambrun, T, additional, Derval, N, additional, Hocini, M, additional, Sacher, F, additional, Haissaguerre, M, additional, Jais, P, additional, Monaco, C, additional, Benali, K, additional, Popa, M, additional, Spittler, R, additional, Kneizeh, K, additional, Buliard, S, additional, Chauvel, R, additional, and Cochet, H, additional

Published
2024
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4. Marine transmissible cancer navigates urbanized waters, threatening spillover

Author

Hammel, M., primary, Touchard, F., additional, Burioli, E. A. V., additional, Paradis, L., additional, Cerqueira, F., additional, Chailler, E., additional, Bernard, I., additional, Cochet, H., additional, Simon, A., additional, Thomas, F., additional, Destoumieux-Garzón, D., additional, Charrière, G. M., additional, and Bierne, N., additional

Published
2024
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6. Marine transmissible cancer navigates urbanized waters, threatening spillover

Author

Hammel, M., Touchard, F., Burioli, E. A. V., Paradis, L., Cerqueira, F, Chailler, E., Bernard, I., Cochet, H, Simon, A., Thomas, F, Destoumieux-garzón, Delphine, Charrière, G. M., Bierne, N., Hammel, M., Touchard, F., Burioli, E. A. V., Paradis, L., Cerqueira, F, Chailler, E., Bernard, I., Cochet, H, Simon, A., Thomas, F, Destoumieux-garzón, Delphine, Charrière, G. M., and Bierne, N.

Abstract

Transmissible cancer, a unique form of microparasites that spreads through direct transmission of living cancer cells, is increasingly reported in marine bivalves. In this study, we sought to understand the ecology of the propagation ofMytilus trossulusBivalve Transmissible Neoplasia 2 (MtrBTN2), a transmissible cancer affecting fourMytilusmussel species worldwide. We investigated the prevalence of MtrBTN2 in the mosaic hybrid zone ofM. edulisandM. galloprovincialisalong the French Atlantic coast, sampling contrasting natural and anthropogenic habitats. We observed a similar prevalence in both species, likely due to the proximity of the two species in this region. Our results showed that ports had higher prevalence of MtrBTN2, with a hotspot observed at a shuttle landing dock. No cancer was found in natural beds except for two sites around the hotspot, suggesting spillover. Ports may provide favourable conditions for the transmission of MtrBTN2, such as high mussel density, confined sheltered shores, or buffered temperatures. Ships may also spread the disease through biofouling, with maritime traffic being the best predictor of MtrBTN2 prevalence. Our results suggest ports may serve as epidemiological hubs, with maritime routes providing artificial gateways for MtrBTN2 propagation. This highlights the importance of preventing biofouling on docks and ships’ hulls to limit the spread of marine pathogens.

Published
2024
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8. Joint Position Paper of the Working Group of Pacing and Electrophysiology of the French Society of Cardiology (SFC) and the Société française d’imagerie cardiaque et vasculaire diagnostique et interventionnelle (SFICV) on magnetic resonance imaging in patients with cardiac electronic implantable devices

Author

Dacher, J.-N., Gandjbakhch, E., Taieb, J., Chauvin, M., Anselme, F., Bartoli, A., Boyer, L., Cassagnes, L., Cochet, H., Dubourg, B., Fauchier, L., Gras, D., Klug, D., Laurent, G., Mansourati, J., Marijon, E., Maury, P., Piot, O., Pontana, F., Sacher, F., Sadoul, N., Boveda, S., and Jacquier, A.

Published
2020
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11. Correlation of coronary and carotid atheroma volume in patients with familial hypercholesterolemia (VOCCA-3D)

Author

Fawaz, S., primary, Boulestreau, R., additional, Pucheu, Y., additional, Liegey, J.-S., additional, Gaufroy, A., additional, Broitman, J., additional, Ducos, C., additional, Darne, M., additional, Hami, S., additional, Maury, V., additional, Coste, P., additional, Cochet, H., additional, Montaudon, M., additional, and Couffinhal, T., additional

Published
2024
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13. Marine transmissible cancer navigates urbanised waters, threatening to spillover

Author

Hammel, M., Touchard, F., Burioli, E. A. V., Paradis, L., Cerqueira, F, Chailler, E., Bernard, I., Cochet, H, Simon, A., Thomas, F, Destoumieux-garzón, Delphine, Charrière, G. M., Bierne, N., Hammel, M., Touchard, F., Burioli, E. A. V., Paradis, L., Cerqueira, F, Chailler, E., Bernard, I., Cochet, H, Simon, A., Thomas, F, Destoumieux-garzón, Delphine, Charrière, G. M., and Bierne, N.

Abstract

Transmissible cancer, a unique form of microparasites that spreads through direct transmission of living cancer cells, is increasingly reported in marine bivalves. In this study, we sought to understand the ecology of the propagation ofMytilus trossulusBivalve Transmissible Neoplasia 2 (MtrBTN2), a transmissible cancer affecting fourMytilusmussel species worldwide. We investigated the prevalence of MtrBTN2 in the mosaic hybrid zone ofM. edulisandM. galloprovincialisalong the French Atlantic coast, sampling contrasting natural and anthropogenic habitats. We observed a similar prevalence in both species, likely due to the proximity of the two species in this region. Our results showed that ports had higher prevalence of MtrBTN2, with a hotspot observed at a shuttle landing dock. No cancer was found in natural beds except for two sites around the hotspot, suggesting spillover. Ports may provide favourable conditions for the transmission of MtrBTN2, such as high mussel density, confined sheltered shores, or buffered temperatures. Ships may also spread the disease through biofouling, with maritime traffic being the best predictor of MtrBTN2 prevalence. Our results suggest ports may serve as epidemiological hubs, with maritime routes providing artificial gateways for MtrBTN2 propagation. This highlights the importance of preventing biofouling on docks and ships’ hulls to limit the spread of marine pathogens.

Published
2023
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14. RELATIONSHIPS BETWEEN LEFT VENTRICULAR MASS AND QRS DURATION IN HYPERTROPHIC CARDIOMYOPATHY AND HYPERTENSIVE HEART DISEASE: A NEW DIAGNOSIS TOOL

Author

Domain, G., primary, Steinberg, C., additional, Biscond, M., additional, Dognin, N., additional, Strubé, C., additional, Sarrazin, J., additional, Reant, P., additional, Cochet, H., additional, Mondoly, P., additional, Rollin, A., additional, Galinier, M., additional, Carrie, D., additional, Lairez, O., additional, Ferrieres, J., additional, and Maury, P., additional

Published
2022
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15. Long-term remodelling and arrhythmogenicity after myocardial infarction using a novel image-based estimator: the Scar Maturation Score

Author

Nuñez-Garcia, M, Finsterbach, S, Ly, Buntheng, Lorenzi, Marco, Cochet, H, Sermesant, M, E-Patient : Images, données & mOdèles pour la médeciNe numériquE (EPIONE), Inria Sophia Antipolis - Méditerranée (CRISAM), Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria), IHU-LIRYC, Université Bordeaux Segalen - Bordeaux 2-CHU Bordeaux [Bordeaux], Centre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] (CRCTB), Université Bordeaux Segalen - Bordeaux 2-CHU Bordeaux [Bordeaux]-Institut National de la Santé et de la Recherche Médicale (INSERM), Université Côte d'Azur (UCA), and ANR-19-P3IA-0002,3IA@cote d'azur,3IA Côte d'Azur(2019)

Subjects
Physiology (medical), [INFO.INFO-IM]Computer Science [cs]/Medical Imaging, [INFO]Computer Science [cs], Cardiology and Cardiovascular Medicine
Abstract

Funding Acknowledgements Type of funding sources: Public grant(s) – EU funding. Main funding source(s): European Research Council Introduction Post-infarction scar remodelling may start and evolve at a different pace across patients, often requiring years until the affected tissue becomes arrhythmogenic. Current risk stratification strategies lack sensitivity and specificity, and therefore more knowledge is required (e.g. new biomarkers and insights about the appropriate time point to evaluate them). Purpose We introduce a model of scar maturation and a novel estimator of scar remodelling based on fully automated analysis of cardiac computed tomography (CT). Methods We retrospectively included patients with history of myocardial infarction and available cardiac CT at the scarring stage (i.e. >6 months post-infarction). A fully automated pipeline was introduced including LV wall segmentation, reformatting to short-axis view, and LV wall thickness (WT) computation. 4 biomarkers representing moderate to severe LV wall thinning were considered (i.e. WT < {5, 4, 3, 2} mm). A statistical approach based on Bayesian Gaussian Process regression was used to model the biomarkers’ evolution. The Scar Maturation Score, a subject-specific parameter encoding the maturation stage relatively to the group-wise model was introduced, and its relationship with sustained ventricular arrhythmia (VA) was analysed. Results A total of 428 patients were included (age: 73±8 years, 83% males, LVEF: 46±11%), comprising 58 with 2 CT studies available (median scan delay: 2.1 years). The model estimated a progressive LV wall thinning over the years following the infarction. Patients without VA were typically assigned to low Scar Maturation Scores (i.e. early maturation stage), while VA patients were frequently associated with higher Scores. Scar Maturation Score, LVEF, area of wall thinning, and scar age were all significantly associated with VA (p < 0.0001), the Scar Maturation Score showing the higher correlation ratio. Conclusion Fully-automated LV thickness measurements from CT allow for a plausible modelling of scar maturation that, together with the patient-specific Scar Maturation Score, may be useful to improve patient treatment (e.g. determine optimal time point for patient screening) and risk stratification.

Published
2022

16. Determinants of mortality after stereotactic radio-ablation for ventricular tachycardia. Results from the international MUSIC consortium

Author

Cochet, H, primary, Maury, P, additional, Whitaker, J, additional, Woods, C, additional, Gandjbakhch, E, additional, Bredfeldt, J, additional, Mak, R, additional, Sauer, W, additional, Juhoor, M, additional, Sermesant, M, additional, Sacher, F, additional, Bogun, F, additional, Zei, P, additional, Jais, P, additional, and Tedrow, U, additional

Published
2022
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21. Multimodality planning of stereotactic radio-ablation for ventricular tachycardia. Results from the international MUSIC consortium

Author

Cochet, H, primary, Tedrow, U, additional, Maury, P, additional, Whitaker, J, additional, Woods, C, additional, Gandjbakhch, E, additional, Khalifa, J, additional, Bredfeldt, J, additional, Mak, R, additional, Sauer, W, additional, Sermesant, M, additional, Sacher, F, additional, Bogun, F, additional, Jais, P, additional, and Zei, P, additional

Published
2022
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25. The Road Toward Reproducibility of Parametric Mapping of the Heart: A Technical Review

Author

Ogier, A.C., Bustin, A., Cochet, H., Schwitter, J., and van Heeswijk, R.B.

Subjects
Cardiology and Cardiovascular Medicine, cardiovascular magnetic resonance (CMR), heart, parametric mapping, quantitative MRI (qMRI), relaxation times, reproducibility, review
Abstract

Parametric mapping of the heart has become an essential part of many cardiovascular magnetic resonance imaging exams, and is used for tissue characterization and diagnosis in a broad range of cardiovascular diseases. These pulse sequences are used to quantify the myocardial T 1 , T 2 , , and T 1ρ relaxation times, which are unique surrogate indices of fibrosis, edema and iron deposition that can be used to monitor a disease over time or to compare patients to one another. Parametric mapping is now well-accepted in the clinical setting, but its wider dissemination is hindered by limited inter-center reproducibility and relatively long acquisition times. Recently, several new parametric mapping techniques have appeared that address both of these problems, but substantial hurdles remain for widespread clinical adoption. This review serves both as a primer for newcomers to the field of parametric mapping and as a technical update for those already well at home in it. It aims to establish what is currently needed to improve the reproducibility of parametric mapping of the heart. To this end, we first give an overview of the metrics by which a mapping technique can be assessed, such as bias and variability, as well as the basic physics behind the relaxation times themselves and what their relevance is in the prospect of myocardial tissue characterization. This is followed by a summary of routine mapping techniques and their variations. The problems in reproducibility and the sources of bias and variability of these techniques are reviewed. Subsequently, novel fast, whole-heart, and multi-parametric techniques and their merits are treated in the light of their reproducibility. This includes state of the art segmentation techniques applied to parametric maps, and how artificial intelligence is being harnessed to solve this long-standing conundrum. We finish up by sketching an outlook on the road toward inter-center reproducibility, and what to expect in the future.

Published
2022

39. Mémento pour l'évaluation de l'agroécologie : méthodes pour évaluer ses effets et les conditions de son développement

Author

Levrard, L., Mathieu, B., Masse, P., Berton, S., Blanchart, Eric, Brauman, Alain, Burger, P., Cheneval, J.B., Chevallier, Tiphaine, Chotte, Jean-Luc, LARDY, Lydie, Clermont Dauphin, Cathy, Cochet, H., Mason, S., Masse, Dominique, Miller, M., Roesch, K., Sester, M., Scopel, E., Violas, D., Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro - Montpellier SupAgro, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Agroécologie et Intensification Durables des cultures annuelles (UPR AIDA), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad), Département Performances des systèmes de production et de transformation tropicaux (Cirad-PERSYST), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)

Subjects
RENDEMENT, TRAVAIL DES FEMMES, SYSTEME AGRAIRE, SECURITE ALIMENTAIRE, EVALUATION, [SDV.SA.AGRO]Life Sciences [q-bio]/Agricultural sciences/Agronomy, GESTION DE L'ENVIRONNEMENT, PRODUCTION AGRICOLE, INDICATEUR ECOLOGIQUE, [SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study, RESSOURCES EN EAU, METHODOLOGIE, FILIERE ECONOMIQUE
Published
2019

41. 5201Intra-cardiac thrombus in patients undergoing ventricular tachycardia ablation. a computed tomographic scan study

Author

Sacher, F, primary, Roumegou, P, additional, Duchateau, J, additional, Derval, N, additional, Denis, A, additional, Pambrun, T, additional, Escande, W, additional, Takigawa, M, additional, Lam, A, additional, Andre, C, additional, Chauvel, R, additional, Hocini, M, additional, Haissaguerre, M, additional, Jais, P, additional, and Cochet, H, additional

Published
2019
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44. Arrhythmogenic response to isoproterenol testing vs. exercise testing in arrhythmogenic right ventricular cardiomyopathy patients

Author

Denis, A, primary, Sacher, F, additional, Derval, N, additional, Martin, R, additional, Lim, H S, additional, Pambrun, T, additional, Massoullie, G, additional, Duchateau, J, additional, Cochet, H, additional, Pillois, X, additional, Cheniti, G, additional, Frontera, A, additional, Takigawa, M, additional, Vlachos, K, additional, Martin, C, additional, Kitamura, T, additional, Hocini, M, additional, Douard, H, additional, Jaïs, P, additional, and Haïssaguerre, M, additional

Published
2018
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45. 073_16988-H2 Electrogram Signature of Specific Activation Patterns: Analysis of Atrial Arrhythmias at High-Density Endocardial Mapping

Author

Frontera, A., primary, Takigawa, M., additional, Martin, R., additional, Thompson, N., additional, Cheniti, G., additional, Massouille, G., additional, Duchateau, J., additional, Kitamura, T., additional, Wolf, M., additional, Al-Jefairi, N., additional, Vlachos, K., additional, Yamashita, S., additional, Denis, A., additional, Hocini, M., additional, Cochet, H., additional, Sacher, F., additional, Jaïs, P., additional, Derval, N., additional, and Haïssaguerre, M., additional

Published
2017
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46. 073_16987-H2 EGM Fractionation in Apparently Healthy Tissue: Time to Redefine the Voltage Threshold for Diseased Atrium?

Author

Frontera, A., primary, Martin, R., additional, Takigawa, M., additional, Cheniti, G., additional, Dallet, C., additional, Kitamura, T., additional, Thompson, N., additional, Wolf, M., additional, Massoullie, G., additional, Vlachos, K., additional, Denis, A., additional, Hocini, M., additional, Cochet, H., additional, Sacher, F., additional, Jaïs, P., additional, Derval, N., additional, and Haïssaguerre, M., additional

Published
2017
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47. P1112Long-term outcome of LAVA elimination in ablation of post-myocardial infarction ventricular tachycardia

Author

Wolf, M., primary, Sacher, F., additional, Cochet, H., additional, Kitamura, T., additional, Takigawa, M., additional, Frontera, A., additional, Cheniti, G., additional, Vlachos, K., additional, Martin, R., additional, Denis, A., additional, Pambrun, T., additional, Derval, N., additional, Hocini, M., additional, Haissaguerre, M., additional, and Jais, P., additional

Published
2017
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48. 1219Comparison of procedural endpoints for ablation of post-myocardial infarction ventricular tachycardia

Author

Wolf, M., primary, Kitamura, T., additional, Sacher, F., additional, Cochet, H., additional, Vlachos, K., additional, Cheniti, G., additional, Frontera, A., additional, Takigawa, M., additional, Martin, R., additional, Thompson, N., additional, Derval, N., additional, Denis, A., additional, Hocini, M., additional, Haissaguerre, M., additional, and Jais, P., additional

Published
2017
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50. 752Long-term outcome of LAVA elimination in ablation of post-myocardial infarction ventricular tachycardia

Author

Wolf, M., primary, Kitamura, T., additional, Sacher, F., additional, Cochet, H., additional, Vlachos, K., additional, Cheniti, G., additional, Frontera, A., additional, Takigawa, M., additional, Martin, R., additional, Thompson, N., additional, Derval, N., additional, Denis, A., additional, Hocini, M., additional, Haissaguerre, M., additional, and Jais, P., additional

Published
2017
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