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https://www.readbyqxmd.com/read/29754916/accuracy-of-device-landing-zone-calcium-volume-measurement-with-contrast-enhanced-multidetector-computed-tomography
#1
Won-Keun Kim, Matthias Renker, Andreas Rolf, Christoph Liebetrau, Arnaud Van Linden, Mani Arsalan, Mirko Doss, Julian Rieck, Maksymilian P Opolski, Helge Möllmann, Thomas Walther, Christian W Hamm
BACKGROUND: The extent of aortic valve calcification is an important determinant of procedural success in transcatheter aortic valve implantation (TAVI). We sought to validate device landing zone calcium volume (DLZ-CV) measurements on contrast-enhanced multidetector computed tomography (MDCT) with non-contrast-enhanced scans as reference. METHODS: We determined DLZ-CV in 141 patients undergoing transfemoral TAVI. Non-contrast-enhanced images were analyzed using a threshold of 130 HU as reference (DLZ-CV130 )...
July 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29687702/new-generation-devices-for-transcatheter-aortic-valve-implantation
#2
Laura Gatto, Giuseppe Biondi-Zoccai, Enrico Romagnoli, Giacomo Frati, Francesco Prati, Arturo Giordano
Transcatheter aortic valve implantation (TAVI) has overcome the pioneering phase and thanks to accrued clinical evidence has become a mainstay alternative to surgical aortic valve replacement (SAVR) in patients at high risk for post-operative complications. Despite these successes, TAVI remains a junior technology facing momentous developments in techniques and devices. Indeed, several new-generation devices for TAVI have become available in the last few years, including Acurate, Allegra, Evolut, Lotus, JenaValve, Portico, and SAPIEN3...
April 20, 2018: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29685742/-is-holladay-2-formula-acurate-enough-for-calculating-intraocular-lens-power-in-non-standard-eyes
#3
C Cordelette, C Arndt, J Vidal, M Afriat, E Durbant, C Brugniart, A Ducasse, F Favre, A Denoyer
PURPOSE: To evaluate the benefit of the Holladay 2 formula versus the 3rd generation formulae in calculating the IOL power in eyes with non-standard axial length or keratometry before cataract surgery. PATIENTS: Retrospectiv study from January to December 2015. The inclusion critaeria were axial length (AL) <22mm or >26mm, or average keratometry <42 D or >46 D, dividing the patients in 4 groups respectively. The 7 parameters required to calculate the Holladay 2 formula were collected...
April 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29667013/predictors-of-paravalvular-regurgitation-and-permanent-pacemaker-implantation-after-tavr-with-a-next-generation-self-expanding-device
#4
Victor Mauri, Florian Deuschl, Thomas Frohn, Niklas Schofer, Matthias Linder, Elmar Kuhn, Andreas Schaefer, Volker Rudolph, Navid Madershahian, Lenard Conradi, Tanja K Rudolph, Ulrich Schäfer
AIMS: To identify predictors of paravalvular regurgitation (PVR) and permanent pacemaker implantation (PPI) following TAVR with a next-generation self-expanding device. METHODS AND RESULTS: Device landing zone (DLZ) calcification, angiographic implantation depth, and baseline and procedural characteristics were analyzed in 212 patients being treated with the ACURATE neo aortic bioprosthesis. PVR was none/trace in 57.1% and ≥ mild in 42.9% (37% mild, 6% moderate)...
April 17, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29617804/feasibility-of-transcatheter-aortic-valve-implantation-in-patients-with-coronary-heights-%C3%A2-7-mm-insights-from-the-transcatheter-aortic-valve-implantation-karlsruhe-tavik-registry
#5
Lars O Conzelmann, Alexander Würth, Gerhard Schymik, Holger Schröfel, Tonic Anusic, Stefanie Temme, Panagiotis Tzamalis, Jan Gerhardus, Chirojit Mukherjee, Bernd-Dieter Gonska, Claus Schmitt, Uwe Mehlhorn
OBJECTIVES: Transcatheter aortic valve implantation (TAVI) in patients with low coronary heights is generally denied but is not impossible. Information about these high-risk procedures is sparse. METHODS: Since May 2008, data of more than 3000 patients who had TAVI were prospectively collected in the institutional TAVI Karlsruhe registry. Characteristics, peri- and postoperative outcome of patients with low coronary heights of ≤7 mm were analysed according to the Valve Academic Research Consortium-2...
April 2, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29554265/prospective-multicentre-evaluation-of-a-novel-low-profile-transapical-delivery-system-for-self-expandable-transcatheter-aortic-valve-implantation-6-month-outcomes
#6
Lenard Conradi, Michael Hilker, Jörg Kempfert, Jochen Börgermann, Hendrik Treede, David M Holzhey, Holger Schröfel, Won-Keun Kim, Ulrich Schaefer, Thomas Walther
OBJECTIVES: We assessed the safety and efficacy of a novel low-profile, 22-Fr transapical delivery system together with the ACURATE neo™ resheathable transcatheter heart valve. METHODS: This prospective, single-arm, multicentre study enrolled 60 patients with severe symptomatic aortic stenosis and high surgical risk ineligible for transfemoral access. Primary end points were 6-month mortality and procedural success. RESULTS: The mean age of patients was 79...
March 14, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29551701/predictors-of-need-for-permanent-pacemaker-implantation-and-conduction-abnormalities-with-a-novel-self-expanding-transcatheter-heart-valve
#7
Costanza Pellegrini, Oliver Husser, Won-Keun Kim, Andreas Holzamer, Thomas Walther, Tobias Rheude, Nicola Patrick Mayr, Teresa Trenkwalder, Michael Joner, Jonathan Michel, Fabian Chaustre, Adnan Kastrati, Heribert Schunkert, Christof Burgdorf, Michael Hilker, Helge Möllmann, Christian Hengstenberg
INTRODUCTION AND OBJECTIVES: The incidence of permanent pacemaker implantation (PPI) and new conduction abnormalities (CA) with the ACURATE neo (Symetis S.A., Eclubens, Switzerland) has not been studied in detail. We aimed to analyze their predictors, evaluating patient- and device-related factors, including implantation depth and device-to-annulus ratio (DAR). METHODS: Two analyses of a multicenter population were performed: new PPI in pacemaker-naive patients (n = 283), and PPI/new-CA in patients without prior CA or pacemaker (n = 232)...
March 15, 2018: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29501541/deformation-of-stabilization-arch-following-post-dilatation-of-symetis-acurate-neo-aortic-bioprosthesis
#8
Anthony L Putrino, Damian Roper, Christopher O Raffel, Darren L Walters
No abstract text is available yet for this article.
March 26, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29317020/thrombosis-of-the-hepatic-round-ligament-associated-with-acure-colangitis
#9
Andrea Craus Miguel, Fátima Sena Ruiz, Myriam Fernández Isart, Francisco González Argente
No abstract text is available yet for this article.
January 6, 2018: Cirugía Española
https://www.readbyqxmd.com/read/29195844/leaflet-thrombosis-following-transcatheter-aortic-valve-implantation
#10
M Marwan, N Mekkhala, M Göller, J Röther, D Bittner, A Schuhbaeck, M Hell, G Muschiol, J Kolwelter, R Feyrer, C Schlundt, S Achenbach, M Arnold
BACKGROUND: Transcatheter aortic valve implantation (TAVI) is increasingly being offered to high-risk patients with symptomatic aortic valve stenosis. Recent reports have suggested a high incidence of subclinical leaflet thrombosis following bioprosthestic aortic valve replacement. We report the frequency and clinical presentation of leaflet thrombosis identified by cardiac CT in patients referred for follow-up contrast enhanced CT angiography following TAVI. METHODS: 91 consecutive patients referred for follow-up contrast-enhanced CT angiography following TAVI were screened for inclusion in this analysis...
January 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29131801/real-world-experience-using-the-acurate-neo-prosthesis-30-day-outcomes-of-1-000-patients-enrolled-in-the-savi-tf-registry
#11
Helge Möllmann, Christian Hengstenberg, Michael Hilker, Sebastian Kerber, Ulrich Schäfer, Tanja Rudolph, Axel Linke, Norbert Franz, Thomas Kuntze, Holger Nef, Utz Kappert, Thomas Walther, Michael O Zembala, Stefan Toggweiler, Won-Keun Kim
AIMS: The aim of the SAVI TF registry was to assess the safety and performance of the self-expanding ACURATE neo transfemoral transcatheter heart valve in a large patient population with severe aortic stenosis and to investigate whether the outcomes obtained in the CE-mark cohort can be replicated in an unselected all-comers population. METHODS AND RESULTS: From October 2014 until April 2016, 1,000 patients were enrolled in this prospective, European multicentre registry...
February 2, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29126972/initial-experience-in-the-iberian-peninsula-with-the-transfemoral-acurate-neo-tf-transcatheter-aortic-prosthesis-procedure-and-outcomes
#12
Diego López-Otero, João Gonçalves Almeida, Luis Nombela Franco, Pilar Jiménez-Quevedo, Vasco Gama Ribeiro, Ramiro Trillo-Nouche
No abstract text is available yet for this article.
November 7, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29105687/-early-and-mid-term-results-of-the-transapical-aortic-valve-symetis-acurate-ta-a-viable-solution-in-high-risk-patients-with-severe-vascular-disease
#13
Giuseppe Rescigno, Maria Giovanna Fratesi, Carlo Aratari, Stefano Moretti, Filippo Capestro, Massimiliano Serenelli, Luca Piangerelli, Anca Delca, Gian Piero Perna, Alessandro Capucci, Marco Di Eusanio
BACKGROUND: Aortic valve stenosis is the most common valvular disease in the elderly. Transcatheter aortic valve implantation represents a viable alternative to conventional aortic valve replacement. In our Department, the transapical approach is the preferred method in patients with severe peripheral vascular disease. The aim of this study was to analyze the early and midterm results of Symetis Acurate TA implantation in our series. METHODS: From June 2013 to January 2017, 21 patients with severe peripheral vascular disease (11 male, mean age 78 ± 2...
October 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29050626/a-comparison-of-the-acurate-neo-and-sapien-3-valves-making-progress
#14
EDITORIAL
Kreton Mavromatis
No abstract text is available yet for this article.
October 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29050625/multicenter-comparison-of-novel-self-expanding-versus-balloon-expandable-transcatheter-heart%C3%A2-valves
#15
Oliver Husser, Won-Keun Kim, Costanza Pellegrini, Andreas Holzamer, Thomas Walther, Patrick N Mayr, Michael Joner, Albert M Kasel, Teresa Trenkwalder, Jonathan Michel, Tobias Rheude, Adnan Kastrati, Heribert Schunkert, Christof Burgdorf, Michael Hilker, Helge Möllmann, Christian Hengstenberg
OBJECTIVES: This study sought to compare 2 next-generation transcatheter heart valves (THV), the self-expanding ACURATE neo (NEO) and the balloon-expandable SAPIEN 3 (S3), in terms of device failure and early safety at 30 days. BACKGROUND: Deployment of these THV showed promising initial clinical results. However, no comparative data are available. METHODS: Of 1,121 treated patients at 3 centers, a 1-to-2 nearest neighbor matching was performed to identify 2 patients treated with S3 (n = 622) for each patient treated with NEO (n = 311)...
October 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28951395/short-term-outcome-and-hemodynamic-performance-of-next-generation-self-expanding-versus-balloon-expandable-transcatheter-aortic-valves-in-patients-with-small-aortic-annulus-a-multicenter-propensity-matched-comparison
#16
Victor Mauri, Won K Kim, Mohammad Abumayyaleh, Thomas Walther, Helge Moellmann, Ulrich Schaefer, Lenard Conradi, Christian Hengstenberg, Michael Hilker, Thorsten Wahlers, Stephan Baldus, Volker Rudolph, Navid Madershahian, Tanja K Rudolph
BACKGROUND: Surgical aortic valve replacement in patients with small annular dimensions is challenging because they are at increased risk for prosthesis-patient mismatch and impaired outcomes. Transcatheter aortic valve replacement might be a good alternative; however, comparative data on different transcatheter heart valves are missing. METHODS AND RESULTS: This multicenter, propensity score-matched study compared hemodynamics and early clinical outcomes in 246 patients with an aortic annulus area <400 mm2 undergoing transcatheter aortic valve replacement with either a self-expanding transcatheter heart valve (Symetis ACURATE neo, n=129) or a balloon-expandable transcatheter heart valve (Edwards SAPIEN 3, n=117)...
October 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28885378/radial-force-an-underestimated-parameter-in-oversizing-transcatheter-aortic-valve-replacement-prostheses-in-vitro-analysis-with-five-commercialized-valves
#17
Sandrine Egron, Buntaro Fujita, Lucía Gullón, Pott Désirée, Thomas Schmitz-Rode, Stephan Ensminger, Ulrich Steinseifer
The goal is to inform in depth on transcatheter aortic valve replacement (TAVR) prosthesis mechanical behavior, depending on frame type, design, and size, and how it crucially impacts the oversizing issue in clinical use, and ultimately the procedure outcome. Transcatheter aortic valve replacement is an established therapy for high-risk patients suffering from aortic stenosis, and the indication for TAVR is progressively expanding to intermediate-risk patients. Choosing the optimal oversizing degree is crucial to safely anchor the TAVR valve-which involves limiting the risks for embolism, aortic regurgitation, conductance disturbance, or annulus rupture-and to increase the valve prosthesis performance...
September 5, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28870877/very-low-pacemaker-rate-following-acurate-neo-transcatheter-heart-valve-implantation
#18
Stefan Toggweiler, Henrik Nissen, Brynjolfur Mogensen, Florim Cuculi, Christian Fallesen, Karsten Tange Veien, Miriam Brinkert, Richard Kobza, Andreas Rück
AIMS: The aim of this study was to investigate whether minimising trauma to the aortic annulus and left ventricular outflow tract reduces the occurrence of new conduction disorders and the need for permanent pacemakers. METHODS AND RESULTS: A total of 175 patients (58% female, mean age 83±6 years) underwent transfemoral TAVI with the Boston Scientific ACURATE neo at three centres in Europe. Prosthesis size selection was based on perimeter-derived annular diameter...
December 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28804056/transfemoral-tavi-using-the-self-expandable-acurate-neo-tm-prosthesis-one-year-outcomes-of-the-multicenter-ce-approval-cohort
#19
Helge Möllmann, Thomas Walther, Dimytri Siqueira, Patrick Diemert, Hendrik Treede, Eberhard Grube, Georg Nickenig, Stephan Baldus, Tanja Rudolph, Toru Kuratani, Yoshiki Sawa, Joerg Kempfert, Won-Keun Kim, Alexandre Abizaid
AIMS: The aim of this study was to assess the safety and performance of the ACURATE neoTM transcatheter heart valve and its transfemoral delivery system. METHODS AND RESULTS: The prospective, multi-center "CE-approval cohort" consists of a prospective series of the first 89 patients implanted with the ACURATE neoTM prosthesis. The primary endpoint was all-cause mortality at 30 days. Mean patient age was 83.7±4.4 years and logistic EuroSCORE-I was 26.5±7.7%. Procedural success was obtained in 84 patients (94...
August 15, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28760396/transcatheter-aortic-valve-replacement-with-new-generation-devices-a-systematic-review-and-meta-analysis
#20
Marco Barbanti, Sergio Buccheri, Josep Rodés-Cabau, Simona Gulino, Philippe Généreux, Gerlando Pilato, Danny Dvir, Andrea Picci, Giuliano Costa, Corrado Tamburino, Martin B Leon, John G Webb
OBJECTIVE: The aim of this study was to conduct a weighted meta-analysis to determine the rates of acute (≤30days) major outcomes after (TAVR) with second-generation devices. METHODS: A comprehensive search of multiple electronic databases from January 2011 to May 2017 was conducted using predefined criteria. New-generation TAVR devices were defined as any device which received CE mark approval or is still under evaluation for CE marking after CoreValve and SAPIEN XT prostheses...
October 15, 2017: International Journal of Cardiology
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