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Transcatheter aortic valve

Carsten Schwencke, Klaudija Bijuklic, Taoufik Ouarrak, Edith Lubos, Wolfgang Schillinger, Björn Plicht, Holger Eggebrecht, Stephan Baldus, Gerhard Schymik, Peter Boekstegers, Rainer Hoffmann, Jochen Senges, Joachim Schofer
AIMS: The use of the MitraClip system has gained widespread acceptance for the treatment of patients with mitral regurgitation (MR) who are not suitable for the conventional surgery. This study sought to investigate the early and 1-year outcome after MitraClip therapy of patients with MR and cardiac comorbidities. METHODS AND RESULTS: Outcomes through 12-month follow-up of patients (n = 528) who underwent MitraClip implantation were obtained from the German transcatheter mitral valve interventions (TRAMI) registry...
October 17, 2016: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
K Schmidt, T Pottgießer, S Meckel, D Duerschmied, C Bode, J Reinöhl
No abstract text is available yet for this article.
September 7, 2016: Der Internist
A B Gopalamurugan, K Murali, B Jyotsana, A Jacob, V V Bashi
Transcatheter Aortic Valve Implantation (TAVI) is a well-described treatment for symptomatic calcific severe aortic stenosis. However, TAVI technology is being increasingly used around the world to treat selected cases of severe aortic regurgitation (AR). One of the main limitations of using TAVI technology for AR is the lack of calcification, which is common in such cases. This makes anchoring of a TAVI prosthesis to the aortic annulus difficult and risks displacement or embolization. However, with the availability of recapturable and repositionable TAVI technologies, these limitations have been overcome to a large extent...
September 2016: Indian Heart Journal
Sarah Eichler, Heinz Völler
Due to the demographic change and an aging population, the prevalence of the most frequent valve disease, aortic stenosis (AS), is still rising.
October 14, 2016: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
Anna Olasińska-Wiśniewska, Marek Grygier, Maciej Lesiak, Olga Trojnarska, Aleksander Araszkiewicz, Anna Komosa, Marcin Misterski, Marek Jemielity, Marek Proch, Stefan Grajek
BACKGROUND: In patients treated with transcatheter aortic valve implantation (TAVI), age is recognized as one of the most important risk factors. The aim of our study was to evaluate whether early and mid-term results of TAVI were worse in patients over 85 year old compared with the younger population. METHODS: From September 2010 to November 2015, 162 consecutive patients (mean age 78.4 ±7.1 years, 47.5 % females) underwent TAVI in our Institution. Patients were divided into two groups: 1) elderly (≥ 85 year old) and 2) younger patients (< 85 year old)...
October 17, 2016: Cardiology Journal
Shikhar Agarwal, Samir Kapadia, E Murat Tuzcu, Amar Krishnaswamy
No abstract text is available yet for this article.
October 2016: Cardiovascular Diagnosis and Therapy
(no author information available yet)
[This corrects the article on p. E83 in vol. 8, PMID: 26904259.].
September 2016: Journal of Thoracic Disease
Ravilla Mahidhar, Jon R Resar
No abstract text is available yet for this article.
September 2016: Journal of Thoracic Disease
Chiara Fraccaro, Giuseppe Tarantini
No abstract text is available yet for this article.
September 2016: Journal of Thoracic Disease
Giuseppe Tarantini, Marco Mojoli, Marina Urena, Alec Vahanian
Atrial fibrillation (AF) is a common arrhythmia in patients with aortic stenosis. When these patients are treated medically or by surgical aortic valve replacement, AF is associated with increased risk of adverse events including death. Growing evidence suggests a significant impact of AF on outcomes also in patients with aortic valve stenosis undergoing transcatheter aortic valve implantation (TAVI). Conversely, limited evidence is available regarding the optimal management of this condition. This review aims to summarize prevalence, pathophysiology, prognosis, and treatment of AF in patients undergoing TAVI...
October 15, 2016: European Heart Journal
Francesco Nappi, Cristiano Spadaccio, Jean Louis Sablayrolles
The recent literature on transcatheter aortic valve replacement (TAVR) is shedding new light on the perspective to extend this procedure to other lower risk-category of patients, leading in fact to a potential erosion of the current guidelines. Notwithstanding the warnings provided in the literature regarding the risk of severely impairing complications, unclear survival advantage and cost-inefficiency, many observational studies, especially performed in high-volume centers, support a general drive toward the recruitment of intermediate-low risk patients in the expectation of clinical advantages versus standard surgical replacement...
October 6, 2016: JACC. Cardiovascular Interventions
Michael Neuss, Hidehiro Kaneko, Grit Tambor, Frank Hoelschermann, Christian Butter
No abstract text is available yet for this article.
October 7, 2016: JACC. Cardiovascular Interventions
Lars Sondergaard
During the last decade transcatheter aortic valve replacement (TAVR) has been established as a treatment for patients with severe aortic stenosis, who are at particularly high surgical risk. As compared with surgical aortic valve replacement (SAVR), TAVR has been associated with lower early risk of mortality, atrial fibrillation, acute kidney injury and bleeding. Furthermore, device and peri-procedural improvements have addressed most of the initial limitations for TAVR, including the Achilles' heel, paravalvular leakage...
October 6, 2016: JACC. Cardiovascular Interventions
Pawel Kleczynski, Artur Dziewierz, Maciej Bagienski, Lukasz Rzeszutko, Danuta Sorysz, Jaroslaw Trebacz, Robert Sobczynski, Marek Tomala, Andrzej Gackowski, Dariusz Dudek
BACKGROUND: We sought to compare long-term mortality and quality of life (QoL) in very elderly (≥80 years) patients undergoing transcatheter aortic valve implantation (TAVI) in comparison with younger patients (<80 years). METHODS: A total of 101 patients treated with TAVI were divided into two groups according to age: <80 years (n = 42; 41.6%) and ≥80 years (n = 59; 58.4%). The baseline characteristics, including procedural outcomes as well as frailty and QoL assessment were compared between age groups...
October 15, 2016: Journal of Invasive Cardiology
Lorin Arie Schwartz, Zach Rozenbaum, Ehab Ghantous, Judith Kramarz, Simon Biner, Michael Ghermezi, Jason Shimiaie, Ariel Finkelstein, Shmuel Banai, Galit Aviram, Meirav Ingbir, Gad Keren, Yan Topilsky
BACKGROUND: Right ventricular (RV) dysfunction and tricuspid regurgitation (TR) may coexist with aortic stenosis. The aim of this study was to assess the association between RV dysfunction, TR, associated comorbidities, and outcomes following transcatheter aortic valve replacement (TAVR). METHODS: A retrospective analysis was conducted of baseline and 6-month clinical and echocardiographic parameters, including TR grade, RV size (grade, end-diastolic and end-systolic areas, annular diameter), and function (grade, tricuspid annular plane systolic excursion [TAPSE], fractional area change, Tei index), in 519 consecutive TAVR patients...
October 11, 2016: Journal of the American Society of Echocardiography
Giuseppe D'Ancona, Hüseyin U Agma, Hüseyin Ince, Gihan El-Achkar, Martin Dißmann, Jasmin Ortak, Stephan Kische
OBJECTIVES: We present our single center experience with the direct flow medical (DFM) prosthesis addressing the impact of native aortic valve (AV) calcification degree on outcomes. BACKGROUND: The DFM® has been introduced for transcatheter aortic valve implantation (TAVI). The valve has a nonmetallic and inflatable support structure. METHODS: Patients were divided in two groups according to preoperative cardiac computed tomography (CT): group I moderate calcification and group II heavy calcification of the total AV area...
October 14, 2016: Catheterization and Cardiovascular Interventions
Caitlin Martin, Wei Sun
Transcatheter aortic valve (TAV) implantation within a failed bioprosthetic valve is a growing trend for high-risk patients. The non-compliant stent of the previous prosthesis may prevent full expansion of the TAV, which has been shown to distort the leaflet configuration, and has been hypothesized to adversely affect durability. In this study, TAV leaflet fatigue damage under cyclic pressurization in the setting of stent underexpansion by 0 (fully expanded), 1, 2 and 3 mm was simulated using finite element analysis to test this hypothesis...
October 12, 2016: Annals of Biomedical Engineering
Robert Hodson, Eric Kirker, Jeffrey Swanson, Craig Walsh, Ethan C Korngold, Sarah Ramelli
No abstract text is available yet for this article.
October 2016: Circulation. Cardiovascular Interventions
Pedro A Villablanca, Verghese Mathew, Vinod H Thourani, Josep Rodés-Cabau, Sripal Bangalore, Mohammed Makkiya, Peter Vlismas, David F Briceno, David P Slovut, Cynthia C Taub, Patrick M McCarthy, John G Augoustides, Harish Ramakrishna
BACKGROUND: Transcatheter aortic valve replacement (TAVR) has emerged as an alternative to surgical aortic-valve replacement (SAVR) for patients with severe symptomatic aortic stenosis (AS) who are at high operative risk. We sought to determine the long-term (≥1year follow-up) safety and efficacy TAVR compared with SAVR in patients with severe AS. METHODS: A comprehensive search of PubMed, EMBASE, Cochrane Central Register of Controlled Trials, conference proceedings, and relevant Web sites from inception through 10 April 2016...
October 6, 2016: International Journal of Cardiology
V J Nijenhuis, M P Huitema, V M M Vorselaars, M J Swaans, T de Kroon, J A S van der Heyden, B J W M Rensing, R Heijmen, J M Ten Berg, M C Post
AIMS: Pulmonary hypertension (PH) is associated with mortality after transcatheter aortic valve implantation (TAVI). However, diagnosis based on tricuspid regurgitant velocity (TRV) is often inaccurate and unreliable. The updated PH guidelines introduced a PH probability grading implementing additional PH signs on transthoracic echocardiography (TTE), from which we aimed to analyse its effects on clinical outcomes in patients undergoing TAVI. METHODS AND RESULTS: We included 591 consecutive patients (mean age 80...
October 6, 2016: International Journal of Cardiology
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