Zobrazeno 1 - 10 of 87 pro vyhledávání: '"Régis Rieu"'
1
In vitro Doppler versus catheter transvalvular pressure gradients in balloon‐expandable versus self‐expanding transcatheter aortic valves
Autor: Erwan Salaun, Josep Rodés-Cabau, Nancy Côté, Viktória Stanová, Philippe Pibarot, Régis Rieu
Publikováno v: Catheterization and Cardiovascular Interventions
Catheterization and Cardiovascular Interventions, 2022, 99 (1), pp.201-210. ⟨10.1002/ccd.29974⟩
OBJECTIVES The objective of this in vitro study was to compare Doppler versus catheter transvalvular pressure gradients (TPG) in third generations balloon-expandable (BE) versus self-expanding (SE) transcatheter heart valves (THV). BACKGROUND TPG is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57a27b093b18671e8f6239615f2afc99
https://doi.org/10.1002/ccd.29974
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2
Leaflet stress quantification of porcine vs bovine surgical bioprostheses: an in vitro study
Autor: Viktória Stanová, Philippe Pibarot, Régis Rieu, Lionel Thollon, Paul Barragan, Yves Godio Raboutet
Publikováno v: Computer Methods in Biomechanics and Biomedical Engineering
Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis, 2022, 25 (1), pp.40-51. ⟨10.1080/10255842.2021.1928092⟩
Calcified aortic stenoses are among the most prevalent form of cardiovascular diseases in the industrialized countries. This progressive disease, with no effective medical therapy, ultimately requi...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bda0c320069aa86afc8c5062ba9ff603
https://hal-amu.archives-ouvertes.fr/hal-03716303
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3
Leaflet stress quantification of porcine vs bovine surgical bioprostheses: an
Autor: Viktória, Stanová, Yves, Godio Raboutet, Paul, Barragan, Lionel, Thollon, Philippe, Pibarot, Régis, Rieu
Publikováno v: Computer methods in biomechanics and biomedical engineering. 25(1)
Calcified aortic stenoses are among the most prevalent form of cardiovascular diseases in the industrialized countries. This progressive disease, with no effective medical therapy, ultimately requires aortic valve replacement - either a surgical or v
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::7fd9006a2bc3bbdbf7051369a872d3d9
https://pubmed.ncbi.nlm.nih.gov/34219548
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4
In vitro correlation between the effective and geometric orifice area in aortic stenosis
Autor: Gilbert Habib, Régis Rieu, Viktória Stanová, Jérôme Adda
Publikováno v: American Journal of Cardiology
American Journal of Cardiology, 2021, 77 (4), pp.334-340. ⟨10.1016/j.jjcc.2020.08.003⟩
American Journal of Cardiology, Elsevier, 2021, 77 (4), pp.334-340. ⟨10.1016/j.jjcc.2020.08.003⟩
Background Planimetry of aortic stenosis can be performed when Doppler measurements are unavailable. We sought to evaluate if, as advised in guidelines, the geometric orifice area (GOA) threshold value of 1 cm² was concordant with the threshold of 1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7da9922a4147b89001cf99177c626919
https://hal.science/hal-03201141
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5
Impact of Mitral Regurgitation on the Flow in a Model of a Left Ventricle
Autor: Ahmed Darwish, Chloé Papolla, Lyes Kadem, Régis Rieu
Publikováno v: Cardiovascular Engineering and Technology
Cardiovascular Engineering and Technology, Springer, 2020, 11 (6), pp.708-718. ⟨10.1007/s13239-020-00490-y⟩
International audience; Mitral regurgitation (MR) is the second mostcommon valve disease in industrialized countries. Despite itshigh prevalence, little is known about its impact on the flowdynamics in the left ventricle (LV). Because of the interde-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a43758320d349f4416cca01f1d0af15
https://hal-amu.archives-ouvertes.fr/hal-03219358/document
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6
A bench test study of bioprosthetic valve fracture performed before versus after transcatheter valve-in-valve intervention
Autor: Viktória Stanová, David A. Wood, Adnan K. Chhatriwalla, Keith B. Allen, Janarthanan Sathananthan, Rob Fraser, Lakshmi Prasad Dasi, Lars Søndergaard, Hoda Hatoum, Philippe Pibarot, John G. Webb, Régis Rieu, Aaron M. Barlow
Publikováno v: EuroIntervention
EuroIntervention, EuroPCR, 2020, 15 (16), pp.1409-1416. ⟨10.4244/EIJ-D-19-00939⟩
Aims Bioprosthetic valve fracture (BVF) may improve transvalvular gradients and transcatheter heart valve (THV) expansion during VIV interventions. However, the optimal timing of BVF is unknown. We assessed the impact of timing of BVF (before versus
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddf1b34e1bc342f16ffedd5bdbde53d2
https://hal-amu.archives-ouvertes.fr/hal-03191575
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7
Left ventricle hemodynamics induced by a new anatomical-shaped mitral valve
Autor: Régis Rieu, C. Papolla
Publikováno v: Computer Methods in Biomechanics and Biomedical Engineering. 22:S468-S470
The left ventricle hemodynamics is complex and is influenced by the anatomy of the mitral valve. Subsequent changes of intraventricular flow patterns, particularly vortex formations, are in relatio...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4015914ad13c12e76dfb31edc5d182b3
https://doi.org/10.1080/10255842.2020.1714984
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8
Effects of hemodynamic conditions and valve sizing on leaflet bending stress in self-expanding transcatheter aortic valve: An in vitro study
Autor: Paul Barragan, Lionel Thollon, Viktória Stanová, Lyes Kadem, Anne-Sophie Zenses, Régis Rieu, Philippe Pibarot
Publikováno v: Artificial Organs
Artificial Organs, Wiley, 2020, 44 (7), ⟨10.1111/aor.13654⟩
Artificial Organs, Wiley, 2020, ⟨10.1111/aor.13654⟩
International audience; Transcatheter aortic valve (TAV) replacement has become a viable alternative to surgery for high and intermediate risk patients with severe aortic stenosis. This technology may extend to the younger and lower risk patients. In
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::265a0d93ddb086ddabd63df8ad7977c1
https://pubmed.ncbi.nlm.nih.gov/31995230
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9
P4381Improvement of the PISA method in the setting of mitral regurgitation of complex geometry
Autor: Jérôme Adda, Chloé Papolla, Gilbert Habib, Régis Rieu
Publikováno v: European Heart Journal. 40
Background Doppler echocardiographic methods, such as proximal isovelocity surface area (PISA) are used to quantify mitral regurgitations. However, their accuracy and reproducibility are still discussed, especially in case of mitral regurgitations of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41d6cf1d003fc5cda94102c47efbef1d
https://doi.org/10.1093/eurheartj/ehz745.0786
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10
A novel method to quantitate bioprosthetic valve leaflet mechanical stress: a numerical and in vitro study
Autor: Max Py, Catherine Masson, Viktória Stanová, Yves Godio Raboutet, Lionel Thollon, Philippe Pibarot, Régis Rieu, Paul Barragan
Publikováno v: EuroIntervention
EuroIntervention, EuroPCR, 2019, 15 (7), pp.581-585. ⟨10.4244/EIJ-D-19-00327⟩
An original in vitro/in silico method was developed to estimate the local and global mechanical stress applied on the bioprosthetic valve leaflet, which can be important for better understanding of the valve durability. A non-contact system based on
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::caba7d98abd1e9cbf1bb8e3c3537beee
https://hal.archives-ouvertes.fr/hal-02296391
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