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https://www.readbyqxmd.com/read/28724752/the-fluid-mechanics-of-transcatheter-heart-valve-leaflet-thrombosis-in-the-neo-sinus
#1
Prem A Midha, Vrishank Raghav, Rahul Sharma, Jose F Condado, Ikechukwu U Okafor, Tanya Rami, Gautam Kumar, Vinod H Thourani, Hasan Jilaihawi, Vasilis Babaliaros, Raj R Makkar, Ajit P Yoganathan
Background -Transcatheter heart valve (THV) thrombosis has been increasingly reported. In these studies, thrombus quantification has been based on 2D assessment of a 3D phenomenon. Methods -Post-procedural four-dimensional, volume-rendered CT (4DCT) data of CoreValve, Evolut R, and SAPIEN 3 transcatheter aortic valve replacement (TAVR) patients enrolled in the RESOLVE trial were included in this analysis. Patients on anticoagulation were excluded. SAPIEN 3 and CoreValve/Evolut R patients with and without hypo-attenuated leaflet thickening (HALT) were included in order to study differences between groups...
July 19, 2017: Circulation
https://www.readbyqxmd.com/read/28688703/impact-of-qrs-duration-on-decision-of-early-removal-of-pacing-catheter-after-transcatheter-aortic-valve-replacement-with-corevalve-device
#2
Masao Takahashi, Gauthier Mouillet, Ronan Deballon, Arnaud Sudre, Nicolas Lellouche, Pascal Lim, Thomas Modine, Eric Vanbelle, Jean-Luc Dubois-Rande, Emmanuel Teiger
The purpose of this study was to determine the predictability of QRS duration (QRSd) for temporary pacing catheter removal in patients implanted with CoreValve. Permanent pacemaker implantation is a known complication after transcatheter aortic valve replacement (TAVI) with CoreValve. Although post-TAVI QRSd is highly predictive for advanced atrioventricular block (AVB), management of delayed AVB after TAVI remains unclear. We conducted a multicentric, prospective study of 156 consecutive patients who underwent TAVI with CoreValve between December 2010 and January 2013...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28683947/quantitative-prediction-of-paravalvular%C3%A2-leak-in-transcatheter-aortic%C3%A2-valve-replacement-based-on%C3%A2-tissue-mimicking-3d-printing
#3
Zhen Qian, Kan Wang, Shizhen Liu, Xiao Zhou, Vivek Rajagopal, Christopher Meduri, James R Kauten, Yung-Hang Chang, Changsheng Wu, Chuck Zhang, Ben Wang, Mani A Vannan
OBJECTIVES: This study aimed to develop a procedure simulation platform for in vitro transcatheter aortic valve replacement (TAVR) using patient-specific 3-dimensional (3D) printed tissue-mimicking phantoms. We investigated the feasibility of using these 3D printed phantoms to quantitatively predict the occurrence, severity, and location of any degree of post-TAVR paravalvular leaks (PVL). BACKGROUND: We have previously shown that metamaterial 3D printing technique can be used to create patient-specific phantoms that mimic the mechanical properties of biological tissue...
July 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28676951/erratum-to-insights-on-mid-term-tavr-performance-3-year-clinical-and-echocardiographic-results-from-the-corevalve-advance-study
#4
Sabine Bleiziffer, Johan Bosmans, Stephen Brecker, Ulrich Gerckens, Peter Wenaweser, Corrado Tamburino, Axel Linke
No abstract text is available yet for this article.
July 4, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28662806/temporal-trends-in-transcatheter-aortic%C3%A2-valve-replacement-in-france-france-2-to-france-tavi
#5
Vincent Auffret, Thierry Lefevre, Eric Van Belle, Hélène Eltchaninoff, Bernard Iung, René Koning, Pascal Motreff, Pascal Leprince, Jean Philippe Verhoye, Thibaut Manigold, Geraud Souteyrand, Dominique Boulmier, Patrick Joly, Frédéric Pinaud, Dominique Himbert, Jean Philippe Collet, Gilles Rioufol, Said Ghostine, Olivier Bar, Alain Dibie, Didier Champagnac, Lionel Leroux, Frédéric Collet, Emmanuel Teiger, Olivier Darremont, Thierry Folliguet, Florence Leclercq, Thibault Lhermusier, Patrick Olhmann, Bruno Huret, Luc Lorgis, Laurent Drogoul, Bernard Bertrand, Christian Spaulding, Laurent Quilliet, Thomas Cuisset, Maxence Delomez, Farzin Beygui, Jean-Philippe Claudel, Alain Hepp, Arnaud Jegou, Antoine Gommeaux, Anfani Mirode, Luc Christiaens, Charles Christophe, Claude Cassat, Damien Metz, Lionel Mangin, Karl Isaaz, Laurent Jacquemin, Philippe Guyon, Christophe Pouillot, Serge Makowski, Vincent Bataille, Josep Rodés-Cabau, Martine Gilard, Hervé Le Breton
BACKGROUND: Transcatheter aortic valve replacement (TAVR) is standard therapy for patients with severe aortic stenosis who are at high surgical risk. However, national data regarding procedural characteristics and clinical outcomes over time are limited. OBJECTIVES: The aim of this study was to assess nationwide performance trends and clinical outcomes of TAVR during a 6-year period. METHODS: TAVRs performed in 48 centers across France between January 2013 and December 2015 were prospectively included in the FRANCE TAVI (French Transcatheter Aortic Valve Implantation) registry...
July 4, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28647466/incidence-indications-and-predicting-factors-of-permanent-pacemaker-implantation-after-transcatheter-aortic-valve-implantation-a-retrospective-study
#6
Mathieu Becker, Hugues Blangy, Thierry Folliguet, Thibault Villemin, Luc Freysz, Amandine Luc, Pablo Maureira, Batric Popovic, Arnaud Olivier, Nicolas Sadoul
BACKGROUND: As the number of transcatheter aortic valve implantation (TAVI) procedures is constantly increasing, it is important to consider common complications, such as pacemaker (PM) implantation, and their specific risk factors. AIMS: Echocardiographic, computed tomography and electrocardiographic data were analysed to determine the predicting factors, if any, associated with PM implantation. METHODS: This retrospective study included patients referred to Nancy University Hospital for a TAVI procedure from January 2013 to December 2015...
June 21, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28643214/new-generation-devices-for-transfemoral-transcatheter-aortic-valve-replacement-are-superior-compared-with-last-generation-devices-with-respect-to-varc-2-outcome
#7
Julia Seeger, Birgid Gonska, Wolfgang Rottbauer, Jochen Wöhrle
New generation devices for transcatheter aortic valve replacement have been optimized to improve clinical outcome. We compared procedural, in-hospital, 30 days and 12 months outcome of the new generation repositionable Boston Lotus Valve and the balloon-expandable Edwards Sapien 3 valve with the last generation self-expandable Medtronic CoreValve and the balloon-expandable Edwards Sapien XT. Between 2010 and 2015 consecutive patients treated with the Medtronic CoreValve (N = 100), Edwards Sapien XT (N = 100), Edwards Sapien S3 (N = 100) and Boston Lotus device (N = 100) were enrolled...
June 22, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28636475/surgical-aortic-valve-replacement-for-stenosis-of-tavi-device
#8
M Sooknunden, M A Radermecker, J O Defraigne, Vincent Tchana-Sato
We here report the case of a stenosis of the CoreValve(®) system due to reduced mobility of prosthesis cusps for which a surgical replacement of the aortic valve was proposed. The exact mechanism leading to this impaired mobility of the leaflets is yet to be determined. We also underline the fact a transcatheter aortic valve implantation (TAVI) device can be replaced by a surgical replacement without excessive operative risks despite the patient being initially considered as high-risk.
March 1, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28616543/transcatheter-aortic-valve-implantation-with-the-new-generation-evolut-r%C3%A2-comparison-with-corevalve%C3%A2-in-a-single-center-cohort
#9
Eberhard Schulz, Alexander Jabs, Tommaso Gori, Stephan von Bardeleben, Ulrich Hink, Walter Kasper-König, Christian Friedrich Vahl, Thomas Münzel
BACKGROUND: The Medtronic Evolut R (EVR) is a novel transcatheter heart valve designed to allow precise implantation at the intended position and to minimize prosthesis dysfunction as well as procedural complications. Our aim was to compare short-term functional and clinical outcomes of the new EVR with the established Medtronic CoreValve (CV) system. METHODS AND RESULTS: Of 151 patients undergoing transfemoral transcatheter aortic valve implantation with a self-expanding valve at our institution between January 2013 and January 2016, 86 were treated with EVR and 65 with CV...
September 2016: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28595747/transcathether-aortic-valve-implantation-with-the-new-repositionable-self-expandable-evolut-r-versus-corevalve-system-a-case-matched-comparison
#10
Cristina Giannini, Marco De Carlo, Corrado Tamburino, Federica Ettori, Azeem M Latib, Francesco Bedogni, Giuseppe Bruschi, Patrizia Presbitero, Arnaldo Poli, Franco Fabbiocchi, Roberto Violini, Carlo Trani, Pietro Giudice, Marco Barbanti, Marianna Adamo, Paola Colombo, Susanna Benincasa, Mauro Agnifili, A Sonia Petronio
BACKGROUND: Despite promising results following transcatheter aortic valve implantation (TAVI), several relevant challenges still remain. To overcome these issues, new generation devices have been developed. The purpose of the present study was to determine whether TAVI with the new self-expanding repositionable Evolut R offers potential benefits compared to the preceding CoreValve, using propensity matching. METHODS: Between June 2007 and November 2015, 2148 consecutive patients undergoing TAVI either CoreValve (n=1846) or Evolut R (n=302) were prospectively included in the Italian TAVI ClinicalService® project...
May 29, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28567700/different-impact-of-aortic-regurgitation-assessed-by-aortic-root-angiography-after-transcatheter-aortic-valve-implantation-according-to-baseline-left-ventricular-ejection-fraction-and-n-terminal-pro-b-type-natriuretic-peptide
#11
Hidehiro Kaneko, Frank Hoelschermann, Thomas Schau, Grit Tambor, Michael Neuss, Christian Butter
Transcatheter aortic valve implantation (TAVI) is an alternative therapeutic option for severe aortic stenosis. Aortic regurgitation (AR) is commonly observed after TAVI and increases the mortality rate. We hypothesized that the influence of significant AR, defined as that more severe than mild AR, on survival rate after TAVI might differ according to the baseline left ventricular ejection fraction (LVEF) and N-terminal pro-B-type natriuretic peptide (NT-pro BNP) level. We categorized 856 patients who underwent transfemoral TAVI into 2 groups according to their baseline LVEF (<40 and ≥40%) and NT-pro BNP levels (≤5000 and >5000 pg/mL)...
May 31, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28544842/transfemoral-valve-in-valve-in-a-degenerated-small-aortic-bioprosthesis-five-year-follow-up
#12
Stefano Salizzoni, Federico Conrotto, Mauro Rinaldi, Gian Paolo Ussia, Gaetana Ferraro, Mauro Giorgi, Maurizio D'Amico
A small-sized bioprosthesis can limit transcatheter valve-in-valve (V-in-V) implantations. The case is reported of a 91-year-old woman who had successfully undergone a V-in-V procedure with a 26 mm CoreValve in a previously implanted Mitroflow 19 mm valve. At the five-year follow up the prosthesis showed good echocardiographic function and the patient was alive and free from major symptoms. The patient died three months after the follow up examination at the age of 96 years. This case demonstrates the feasibility, with acceptable longterm functioning, of a V-in-V procedure involving a small bioprosthesis...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28540072/standard-imaging-techniques-in-transcatheter-aortic-valve-replacement
#13
REVIEW
Arash Salemi, Berhane M Worku
Transcatheter aortic valve replacement (TAVR) has become a widely accepted therapeutic option for patients with severe, symptomatic aortic stenosis at intermediate, high, or extreme risk for conventional surgery as determined through a heart team approach. Two valve prostheses are currently available and the Food and Drug Administration (FDA) approved in the United States for TAVR: the self-expandable Medtronic CoreValve (Medtronic, Inc., Minneapolis, MN, USA) and the balloon-expandable Edwards Sapien Valve (Edwards Lifesciences, Irvine CA, USA)...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28535198/transcatheter-aortic-valve-implantation-for-recurrent-valsalva-sinus-re-dissection-and-severe-aortic-regurgitation-shortly-after-surgery-for-type-a-aortic-dissection
#14
Elena Caporali, Giovanni Pedrazzini, Stefanos Demertzis, Enrico Ferrari
Delayed aortic regurgitation following Valsalva sinus re-dissection is a well-known complication that can occur at any time after surgery for type-A aortic dissection without root replacement. We describe a case of acute type-A dissection in an 81-year-old lady successfully treated with aortic valve resuspension and ascending aorta replacement with a 28-mm vascular graft. A month later, the patient was readmitted for worsening heart failure and a transthoracic echocardiogram showed severe aortic regurgitation secondary to non-coronary Valsalva sinus re-dissection and non-coronary aortic valve leaflet prolapse also confirmed at computed tomography scan...
May 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28528072/how-to-perform-a-late-surgical-explantation-of-a-corevalve-aortic-bioprothesis
#15
Daniel Hernandez-Vaquero, Isaac Pascual, Rocío Diaz, Rubén Álvarez-Cabo, César Moris, Jacobo Silva
As transcatheter techniques expand to younger patients, cardiac surgeons need to know a safe surgical technique to extract these kinds of prostheses. We describe here an adequate surgical strategy for the explantation of a CoreValve prosthesis that was implanted more than 5 years previously.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28521921/1-year-results-in-patients-undergoing-transcatheter-aortic-valve-replacement-with-failed-surgical-bioprostheses
#16
G Michael Deeb, Stanley J Chetcuti, Michael J Reardon, Himanshu J Patel, P Michael Grossman, Theodore Schreiber, John K Forrest, Tanvir K Bajwa, Daniel P O'Hair, George Petrossian, Newell Robinson, Stanley Katz, Alan Hartman, Harold L Dauerman, Joseph Schmoker, Kamal Khabbaz, Daniel R Watson, Steven J Yakubov, Jae K Oh, Shuzhen Li, Neal S Kleiman, David H Adams, Jeffrey J Popma
OBJECTIVES: This study evaluated the safety and effectiveness of self-expanding transcatheter aortic valve replacement (TAVR) in patients with surgical valve failure (SVF). BACKGROUND: Self-expanding TAVR is superior to medical therapy for patients with severe native aortic valve stenosis at increased surgical risk. METHODS: The CoreValve U.S. Expanded Use Study was a prospective, nonrandomized study that enrolled 233 patients with symptomatic SVF who were deemed unsuitable for reoperation...
May 22, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28513189/transcatheter-aortic-valve-implantation-the-transaortic-approach
#17
Simon Cy Chow, Gary Sh Cheung, Alex Pw Lee, Eugene B Wu, Jacky Yk Ho, Micky Wt Kwok, Peter Sy Yu, Innes Yp Wan, Malcolm J Underwood, Randolph Hl Wong
Background Transcatheter aortic valve implantation has been established as a safe and effective treatment option for patients at high or prohibitive surgical risk. However, some patients may not be suitable for the transfemoral approach due to severe iliofemoral disease or aneurysmal disease of the thoracoabdominal aorta. The aim of this case series was to evaluate the feasibility and clinical outcomes of the transaortic approach. Methods From May 2015 to June 2016, 5 patients (mean age 78.4 ± 3.9 years) with severe symptomatic aortic stenosis underwent transaortic transcatheter aortic valve implantation after a heart team discussion...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28493389/contemporary-transcatheter-aortic-valve-replacement-with-third-generation-balloon-expandable-versus-self-expanding-devices
#18
Toby Rogers, Arie Steinvil, Kyle Buchanan, M Chadi Alraies, Edward Koifman, Jiaxiang Gai, Rebecca Torguson, Petros Okubagzi, Itsik Ben-Dor, Augusto Pichard, Lowell Satler, Ron Waksman
OBJECTIVES: To evaluate balloon-expandable and self-expanding third-generation transcatheter aortic valve replacement (TAVR) devices according to patient selection criteria and outcomes. BACKGROUND: Two competing third-generation TAVR technologies are currently commercially available in the US. There are no published head-to-head comparisons of the relative performance of these two devices. METHODS: 257 consecutive patients undergoing TAVR with a third-generation balloon-expandable (Edwards Sapien 3) or self-expanding device (Medtronic CoreValve Evolut R) at a single US medical center were included...
May 11, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28484830/insights-on-mid-term-tavr-performance-3-year-clinical-and-echocardiographic-results-from-the-corevalve-advance-study
#19
Sabine Bleiziffer, Johan Bosmans, Stephen Brecker, Ulrich Gerckens, Peter Wenaweser, Corrado Tamburino, Axel Linke
BACKGROUND: Extensive evidence relating to transcatheter aortic valve replacement (TAVR) has accumulated in recent years, but mid-term outcomes are less reported. We investigated 996 patients after implantation of the CoreValve prosthesis for severe aortic stenosis in a real-world setting. OBJECTIVE: To report clinical and echocardiographic 3-year results from the ADVANCE study. METHODS: ADVANCE is a prospective, multicenter, fully monitored, nonrandomized clinical study...
May 8, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28482354/nose-cone-entrapment-after-transcatheter-aortic-valve-implantation-of-a-corevalve-self-expandable-bioprosthesis
#20
Stylianos A Pyxaras, Luciano Pizzulli, Ulrich Gerckens
: We describe the first reported case of a nose cone entrapment of the delivering catheter of a CoreValve self-expandable valve, during a transcatheter aortic valve implantation procedure. The complication was successfully treated after snaring the cone and retracting the system within the introducing sheath.
December 2016: Journal of Cardiovascular Medicine
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