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Transcatheter aortic valve

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https://www.readbyqxmd.com/read/28531334/the-truth-is-hidden-in-the-details-comment-on-an-observational-study-on-transcatheter-aortic-valve-implantation-versus-surgical-aortic-valve-replacement-in-intermediate-risks-patients
#1
https://www.readbyqxmd.com/read/28531333/the-flaws-in-the-detail-of-an-observational-study-on-transcatheter-aortic-valve-implantation-versus-surgical-aortic-valve-replacement-in-intermediate-risks-patients
#2
Fabio Barili, Nick Freemantle, Thierry Folliguet, Claudio Muneretto, Michele De Bonis, Martin Czerny, Jean Francois Obadia, Nawwar Al-Attar, Nikolaos Bonaros, Jolanda Kluin, Roberto Lorusso, Prakash Punjabi, Rafael Sadaba, Piotr Suwalski, Umberto Benedetto, Andreas Böning, Volkmar Falk, Miguel Sousa-Uva, Pieter A Kappetein, Lorenzo Menicanti
The PARTNER group recently published a comparison between the latest generation SAPIEN 3 transcatheter aortic valve implantation (TAVI) system (Edwards Lifesciences, Irvine, CA, USA) and surgical aortic valve replacement (SAVR) in intermediate-risk patients, apparently demonstrating superiority of the TAVI and suggesting that TAVI might be the preferred treatment method in this risk class of patients. Nonetheless, assessment of the non-randomized methodology used in this comparison reveals challenges that should be addressed in order to elucidate the validity of the results...
June 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28530646/the-relevance-of-the-age-of-transfused-blood-for-prognosis-after-transcatheter-aortic-valve-implantation-tavi
#3
Katarzyna Czerwińska-Jelonkiewicz, Magdalena Łętowska, Adam Witkowski, Walerian Piotrowski, Marta Załęska-Kocięcka, Janina Stępińska
INTRODUCTION    Blood transfusion after transcatheter aortic valve implantation (TAVI) is frequently required due to the high vulnerability of TAVI population and procedure related bleeding.  OBJECTIVES    We quantified the impact of post-procedural blood transfusion and the age of transfused red blood cells (RBC) units on prognosis after TAVI.  PATIENTS AND METHODS    This was a single-center, observational analysis conducted between 2009-2014. The adopted end points were early and long-term mortality after TAVI...
May 22, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28530122/low-pacemaker-incidence-with-continuous-sutured-valves-a-retrospective-analysis
#4
Lars Niclauss, Dominique Delay, Raymond Pfister, Sebastien Colombier, Matthias Kirsch, René Prêtre
Background Permanent pacemaker implantation after surgical aortic valve replacement depends on patient selection and risk factors for conduction disorders. We aimed to identify risk criteria and obtain a selected group comparable to patients assigned to transcatheter aortic valve implantation. Methods Isolated sutured aortic valve replacements in 994 patients treated from 2007 to 2015 were reviewed. Demographics, hospital stay, preexisting conduction disorders, surgical technique, and etiology in patients with and without permanent pacemaker implantation were compared...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28528156/prognostic-impact-of-low-flow-severe-aortic-stenosis-in-small-body-patients-undergoing-tavr-the-ocean-tavi-registry
#5
Akihisa Kataoka, Yusuke Watanabe, Ken Kozuma, Yugo Nara, Fukuko Nagura, Hideyuki Kawashima, Hirofumi Hioki, Makoto Nakashima, Masanori Yamamoto, Kensuke Takagi, Motoharu Araki, Norio Tada, Shinichi Shirai, Futoshi Yamanaka, Kentaro Hayashida
OBJECTIVES: This study aimed to analyze the prognostic impact of low-flow (LF) severe aortic stenosis in small-body patients undergoing transcatheter aortic valve replacement (TAVR). BACKGROUND: Western literature demonstrates a poor prognosis with paradoxical LF and low-flow low-gradient (LF-LG) severe aortic stenosis (AS), as defined by stroke volume index (SVi) <35 ml/m(2) and mean pressure gradient <40 mm Hg with preserved left ventricular ejection fraction (LVEF)...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527775/antithrombotic-therapy-for-prevention-of%C3%A2-cerebral-thromboembolic-events-after-transcatheter-aortic-valve-replacement-evolving-paradigms-and-ongoing-directions
#6
EDITORIAL
Davide Capodanno, Dominick J Angiolillo
No abstract text is available yet for this article.
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28527771/aspirin-versus-aspirin-plus-clopidogrel-as-antithrombotic-treatment-following-transcatheter-aortic-valve-replacement-with-a-balloon-expandable-valve-the-arte-aspirin-versus-aspirin%C3%A2-clopidogrel-following%C3%A2-transcatheter-aortic-valve-implantation-randomized%C3%A2
#7
Josep Rodés-Cabau, Jean-Bernard Masson, Robert C Welsh, Bruno Garcia Del Blanco, Marc Pelletier, John G Webb, Faisal Al-Qoofi, Philippe Généreux, Gabriel Maluenda, Martin Thoenes, Jean-Michel Paradis, Chekrallah Chamandi, Vicenç Serra, Eric Dumont, Mélanie Côté
OBJECTIVE: The aim of this study was to compare aspirin plus clopidogrel with aspirin alone as antithrombotic treatment following transcatheter aortic valve replacement (TAVR) for the prevention of ischemic events, bleeding events, and death. BACKGROUND: Few data exist on the optimal antithrombotic therapy following TAVR. METHODS: This was a randomized controlled trial comparing aspirin (80 to 100 mg/day) plus clopidogrel (75 mg/day) (dual-antiplatelet therapy [DAPT]) versus aspirin alone (single-antiplatelet therapy [SAPT]) in patients undergoing TAVR with a balloon-expandable valve...
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28527766/successful-transcatheter-aortic-valve-replacement-for-severe-aortic-valve-regurgitation-following-a-david-i-valve-sparing-procedure
#8
Edgar Lik-Wui Tay, William Kok-Fai Kong, James Wei-Luen Yip, Ting Ting Low, Jimmy Kim-Fatt Hon
No abstract text is available yet for this article.
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28525639/readmissions-after-transcatheter-aortic-valve-implantation-what-are-they-doing-right-how-can-we-do-better
#9
Devraj Sukul, David S Bach
No abstract text is available yet for this article.
May 19, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28523156/predictors-of-length-of-stay-and-duration-of-tracheal-intubation-after-transcatheter-aortic-valve-implantation
#10
Vasileios Patris, Konstantinos Giakoumidakis, Mihalis Argiriou, Katerina K Naka, Efstratios Apostolakis, Mark Field, Manoj Kuduvalli, Aung Oo, Stavros Siminelakis
BACKGROUND: While short-term outcomes for patients undergoing transcatheter aortic valve implantation (TAVI) have long been studied, there is very little data on their predictors. We aimed to identify the predictors of outcomes, such as intensive care unit (ICU) and in-hospital length of stay (LOS), duration of postoperative intubation and in-hospital mortality, after TAVI procedures. METHODS: We conducted a retrospective cohort study of 162 consecutive patients with aortic valve disease, who were admitted to a tertiary hospital of Liverpool for TAVI, during a five-year period...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521923/safety-and-efficacy-of-transcatheter-aortic-valve-replacement-in-the-treatment-of-pure-aortic-regurgitation-in-native-valves-and-failing-surgical-bioprostheses-results-from-an-international-registry-study
#11
Fadi J Sawaya, Marcus-André Deutsch, Moritz Seiffert, Sung-Han Yoon, Pablo Codner, Upul Wickramarachchi, Azeem Latib, A Sonia Petronio, Josep Rodés-Cabau, Maurizio Taramasso, Marco Spaziano, Johan Bosmans, Luigi Biasco, Darren Mylotte, Mikko Savontaus, Peter Gheeraert, Jason Chan, Troels H Jørgensen, Horst Sievert, Marco Mocetti, Thierry Lefèvre, Francesco Maisano, Antonio Mangieri, David Hildick-Smith, Ran Kornowski, Raj Makkar, Sabine Bleiziffer, Lars Søndergaard, Ole De Backer
OBJECTIVES: The aim of this study was to evaluate the use of transcatheter heart valves (THV) for the treatment of noncalcific pure native aortic valve regurgitation (NAVR) and failing bioprosthetic surgical heart valves (SHVs) with pure severe aortic regurgitation (AR). BACKGROUND: Limited data are available about the "off-label" use of transcatheter aortic valve replacement (TAVR) to treat pure severe AR. METHODS: The study population consisted of patients with pure severe AR treated by TAVR at 18 different centers...
May 22, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28521921/1-year-results-in-patients-undergoing-transcatheter-aortic-valve-replacement-with-failed-surgical-bioprostheses
#12
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/28516313/dynamic-changes-in-aortic-impedance-after-transcatheter-aortic-valve-replacement-and-its-impact-on-exploratory-outcome
#13
Yukari Kobayashi, Juyong B Kim, Kegan J Moneghetti, Yuhei Kobayashi, Ran Zhang, Daniel A Brenner, Ryan O'Malley, Ingela Schnittger, Michael Fischbein, D Craig Miller, Alan C Yeung, David Liang, Francois Haddad, William F Fearon
Valvulo-arterial impedance (Zva) has been shown to predict worse outcome in medically managed aortic stenosis (AS) patients. We aimed to investigate the association between Zva and left ventricular (LV) adaptation and to explore the predictive value of Zva for cardiac functional recovery and outcome after transcatheter aortic valve replacement (TAVR). We prospectively enrolled 128 patients with AS who underwent TAVR. Zva was calculated as: (systolic blood pressure + mean transaortic gradient)/stroke volume index)...
May 17, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28516094/combined-transapical-transcatheter-aortic-valve-replacement-and-thoracic-endovascular-aortic-repair-for-severe-aortic-stenosis-and-arch-aneurysm
#14
Yuanjia Zhu, Eric E Roselli, Jay J Idrees, Samir Kapadia, Lars G Svensson
An 83-year-old male with multiple comorbidities presented with critical aortic stenosis and a saccular aortic arch aneurysm. Through a mini thoracotomy, a balloon expandable transcatheter aortic valve was delivered transapically. A thoracic stent graft was then delivered through the prosthetic valve and deployed in the arch, while a covered stent was deployed in the left common carotid artery. Three-year postoperative computed tomography showed a thrombosed arch aneurysm with decreased size. This case demonstrates the feasibility of using combined transapical transcatheter technologies to treat multicomponent disease in a high-risk patient during a single operation...
October 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28515859/conservative-management-of-aortic-root-rupture-complicated-with-cardiac-tamponade-following-transcatheter-aortic-valve-implantation
#15
Luca Vannini, Rut Andrea, Manel Sabaté
Aortic root rupture and cardiac tamponade during transcatheter aortic valve implantation is a frightening complication with high mortality rate. A conservative management of this complication could represent an initial strategy, especially in high-risk patients, to avoid emergent cardiac surgery. This conservative management includes: Immediate detection of pericardial effusion by echocardiography, a fast instauration of pericardial drainage, auto-transfusion and anticoagulation reversal. We describe two cases of patients who suffered this complication and were treated successfully with this initial approach...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515127/a-retrospective-analysis-of-mitral-valve-pathology-in-the-setting-of-bicuspid-aortic-valves
#16
Annari van Rensburg, Philip Herbst, Anton Doubell
The therapeutic implications of bicuspid aortic valve associations have come under scrutiny in the transcatheter aortic valve implantation era. We evaluate the spectrum of mitral valve disease in patients with bicuspid aortic valves to determine the need for closer echocardiographic scrutiny/follow-up of the mitral valve. A retrospective analysis of echocardiograms done at a referral hospital over five years was conducted in patients with bicuspid aortic valves with special attention to congenital abnormalities of the mitral valve...
May 17, 2017: Echo Research and Practice
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/28511922/simultaneous-transseptal-para-ring-leak-closure-and-transcatheter-mitral-valve-implantation-for-the-treatment-of-surgical-mitral-repair-failure
#18
James Roy, Mehdi Eskandari, Mark Monaghan, Olaf Wendler, Jonathan Byrne, Philip MacCarthy
Repeat cardiac surgery in patients with a previous sternotomy is associated with significant morbidity and mortality. While transcatheter aortic valve implantation in high risk surgical patients is now well established, experience with transcatheter mitral valve replacement is still at an early stage. Although many successful reports of transcatheter mitral valve replacements now exist, the predominant approach has been via a transapical approach. It is likely that, as with the evolution of favoured access routes for transcatheter aortic therapies, future directions for transcatheter mitral valves will focus on smaller delivery systems favouring the transvenous transseptal approach where possible...
April 6, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28511838/supra-annular-valve-in-valve-implantation-reduces-blood-stasis-on-the-transcatheter-aortic-valve-leaflets
#19
Koohyar Vahidkhah, Ali N Azadani
Leaflet thrombosis following transcatheter aortic valve replacement (TAVR) and Valve-in-Valve (ViV) procedures has been increasingly recognized. This study aimed to investigate the effect of positioning of the transcatheter aortic valve (TAV) in ViV setting on the flow dynamics aspect of post-ViV thrombosis by quantifying the blood stasis in the intra-annular and supra-annular settings. To that end, two idealized computational models, representing ViV intra-annular and supra-annular positioning of a TAV were developed in a patient-specific geometry...
May 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28511326/-comparison-of-aortic-annular-diameter-defined-by-different-measurement-mordalities-before-transcatheter-aortic-valve-implantation
#20
R X Qi, X D You, Z X Pu, Q Yang, Z X Huang, L M Zhou, P T Huang
Objective: To compare aortic annular diameter measured by transthoracic echocardiography (TTE), transesophageal echocardiography (TEE), and multislice computed tomography (MSCT) in patients with severe aortic stenosis, and to evaluate the impact on selection of prosthetic valve type in transcatheter aortic valve implantation (TAVI). Methods: Clinical data of 138 patients with severe aortic stenosis referred for TAVI between January 2014 and June 2016 in our hospital were retrospectively analyzed.The difference of aortic annular diameter measured by TTE, TEE, and MSCT were compared...
May 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
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