Results 111 to 120 of about 36,005 (238)

Natural history of 107 cases of Fetal Aortic Stenosis from a European multicenter retrospective study [PDF]

, 2016
Objectives Fetal aortic valvuloplasty (FV) aims to prevent fetal aortic valve stenosis progressing into hypoplastic left heart syndrome (HLHS), which results in postnatal univentricular (UV) circulation.
Arzt, Chabaneix, Colan, Emani, Freud, Freud, Hickey, Hunter, Kovacevic, McElhinney, Moon-Grady, Mäkikallio, Perez-Negueruela, Schneider, Simpson, Yamamoto   +15 more
core   +2 more sources

Advances in cardiac devices and bioelectronics augmented with artificial intelligence

The Journal of Physiology, EarlyView.
Abstract figure legend Interfaces between the human heart, diagnostic bioelectronics, artificial intelligence, and clinical care. From left to right: Human heart and biosensor interface; representative waveforms of common diagnostic bioelectronic sensing modalities.
Charles Stark, Eric Rytkin, Andrei Alexandru Mircea, Igor R. Efimov   +3 more
wiley   +1 more source

Transcatheter aortic valve implantation in failed bioprosthetic surgical valves. [PDF]

, 2014
IMPORTANCE: Owing to a considerable shift toward bioprosthesis implantation rather than mechanical valves, it is expected that patients will increasingly present with degenerated bioprostheses in the next few years.
Barbanti, M., Bekeredjian, R., Bleiziffer, S., Brecker, S., Cerillo, A.G., Dvir, D., Ferrari, E., Fiorina, C., Hengstenberg, C., Hildick-Smith, D., Himbert, D., Kodali, S., Kornowski, R., Laborde, J.C., Latib, A., Lefevre, T., Leon, M.B., Marco, F. de, Moat, N.E., Napodano, M., Nissen, H., Pasic, M., Petronio, A.S., Piazza, N., Presbitero, P., Rodes-Cabau, J., Schaefer, U., Segev, A., Tchetche, D., Teles, R.C., Testa, L., Treede, H., Valve In Valve Int Data Registry, Waksman, R., Walther, T., Webb, J.G., Weger, A. de, Wilbring, M., Windecker, S.   +38 more
core   +1 more source

Paradox of Low-Gradient Aortic Stenosis [PDF]

Circulation, 2019
Yogesh N V, Reddy, Rick A, Nishimura
openaire   +2 more sources

Haemodynamic‐energetic mechanism of sudden cardiac death in severe aortic stenosis: A modelling study

The Journal of Physiology, EarlyView.
Abstract figure legend A sudden decrease in total peripheral resistance (TPR), as observed during vasovagal syncope, leads to a reduction in aortic systolic pressure (AO pressure) and afterload. In healthy individuals, the consequent decrease in left ventricular systolic pressure (LV pressure) lowers stroke work and myocardial energy expenditure.
Martin Dvoulety, Michal Sitina
wiley   +1 more source

Aortic Valve Calcium Score Spectrum Identifies Bimodal Outcomes for Transcatheter Aortic Valve Implantation: Insights From the AMTRAC Registry

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background Degenerative calcification is the primary mechanism underlying severe aortic stenosis; however, some patients with hemodynamically severe aortic stenosis have low aortic valve calcium scores (AVCS), suggesting heterogeneous disease processes ...
Yeela Talmor‐Barkan, Marco Barbanti, Roberto Valvo, Giuliano Costa, Carmelo Grasso, Ole De Backer, Davorka Lulic, Fernanda Rodriguez, Carmen Olmos, Giulia Masiero, Marianna Adamo, Dabit Arzamendi, Mario García‐Gómez, Jose A. Baz, Klemen Steblovnik, Victor Mauri, Matti Adam, Hendrik Wienemann, Manuel Hein, Philipp Ruile, Bing W. T. Soh, Kush P. Patel, Luca Branca, Rodrigo Estévez‐Loureiro, Ignacio J. Amat‐Santos, Darren Mylotte, Matjaz Bunc, Giuseppe Tarantini, Michael J. Mullen, Luis Nombela‐Franco, Yaron Aviv, Ran Kornowski, Amos Levi, Guy Witberg   +33 more
doaj   +1 more source

Successful resuscitation from two cardiac arrests in a female patient with critical aortic stenosis, severe mitral regurgitation and coronary artery disease [PDF]

, 2012
Introduction. The incidence of sudden cardiac death in patients with severe symptomatic aortic stenosis is up to 34% and resuscitation is described as highly unsuccessful. Case report.
Borović Saša, Karanikolas Menelaos, Mijušković Dragan, Stamenković Dušica M.   +3 more
core   +1 more source

Beat‐to‐beat variability of ventricular repolarization reveals sex‐specific instability and proarrhythmic risk

The Journal of Physiology, EarlyView.
Abstract figure legend A mechanistic framework linking sex‐dependent dynamical instability to proarrhythmic risk. Sex‐specific human ventricular models show that upstream modulators, including biological sex, hormones, drugs and heart disease, promote steeper APD restitution in female than male and enhance dynamical instability.
Daisuke Sato, Lorenzo Santini, Raffaele Coppini, Eleonora Grandi   +3 more
wiley   +1 more source

Paradoxical Normal‐Flow Aortic Stenosis Despite Reduced Left Ventricular Ejection Fraction: Insights From the Randomized COMPARE‐TAVI 1 Trial

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background The hemodynamic profile and remodeling patterns of paradoxical low‐flow, low‐gradient aortic stenosis are well understood. However, some patients with severe aortic stenosis exhibit eccentric remodeling with enlarged left ventricular cavities,
Emil Johannes Ravn, Ulrik Christiansen, Henrik Nissen, Jonas Agerlund Povlsen, Christian Alcaraz Frederiksen, Steen Hvitfelt Poulsen, Marie‐Annick Clavel, Rasmus Carter‐Storch, Christian Byskov Fur, Troels Thim, Philip Freeman, Frederik Uttenthal, Evald Høj Christiansen, Christian Juhl Terkelsen, Jordi Sanchez Dahl   +14 more
doaj   +1 more source

FlowVN Trained on a Single Dataset Enables Rapid Reconstruction of Highly Accelerated 4D Flow MRI Across Multiple Sites

Magnetic Resonance in Medicine, Volume 96, Issue 1, Page 374-386, July 2026.
ABSTRACT Purpose The aim of this study is to evaluate a deep variational network, FlowVN, for the reconstruction of heavily undersampled 4D Flow MRI across multiple sites. Methods FlowVN was trained on fully sampled 4D Flow MRI datasets of healthy volunteers from one site. The model was tested on retrospective undersampled data (R = 6–22) of six normal
Sohaib Ayaz Qazi, Tamara Bianchessi, Federica Viola, Chiara Trenti, Erik Ylipää, Tino Ebbers, Petter Dyverfeldt   +6 more
wiley   +1 more source