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ESTUDIOS


01 abril 2017

CIRCULATION: CARDIOVASCULAR INTERVENTIONS. Matched Comparison of Self-Expanding Transcatheter Heart Valves for the Treatment of Failed Aortic Surgical Bioprosthesis

Sami Alnasser , Asim N. Cheema , Matheus Simonato , Marco Barbanti , Jeremy Edwards , Ran Kornowski , Eric Horlick , Harindra C. Wijeysundera , Luca Testa , Francesco Bedogni , Hafid Amrane , Thomas Walther , Marc Pelletier , Azeem Latib , Jean-Claude Laborde , David Hildick-Smith , Won-Keun Kim , Didier Tchetche , Marco Agrifoglio , Jan-Malte Sinning , Ad J. van Boven , Joëlle Kefer , Christian Frerker , Nicolas M. van Mieghem , Axel Linke , Stephen Worthley , Anita Asgar , Carmelo Sgroi , Mina Aziz , Haim D. Danenberg , Marino Labinaz , Ganesh Manoharan , Anson Cheung , John G. Webb and Danny Dvir

Background: Transcatheter valve-in-valve implantation is an established therapy for high-risk patients with failed surgical aortic bioprosthesis. There are limited data comparing outcomes of valve-in-valve implantation using different transcatheter heart valves (THV).

01 abril 2017

CIRCULATION: CARDIOVASCULAR INTERVENTIONS. Acute Changes in Left Atrial Pressure After MitraClip Are Associated With Improvement in 6-Minute Walk Distance

Elad Maor, Claire E. Raphael, Sidakpal S. Panaich, Guy S. Reeder, Rick A. Nishimura, Vuyisile T. Nkomo, Charanjit S. Rihal and Mackram F. Eleid

Background: Data on the clinical use of left atrial (LA) hemodynamic monitoring during MitraClip procedure are limited. This study evaluated the association between intraprocedural changes in LA pressure after MitraClip and improvement in exercise capacity as documented by 6-minute walk test (6MWT).

01 marzo 2017

CIRCULATION: CARDIOVASCULAR INTERVENTIONS. Association Between Early Q Waves and Reperfusion Success in Patients With ST-Segment–Elevation Myocardial Infarction Treated With Primary Percutaneous Coronary Intervention

Divan Gabriel Topal , Jacob Lønborg , Kiril Aleksov Ahtarovski , Lars Nepper-Christensen , Steffen Helqvist , Lene Holmvang , Frants Pedersen , Peter Clemmensen , Kari Saünamaki , Erik Jørgensen , Kasper Kyhl , Ali Ghotbi , Mikkel Malby Schoos , Christoffer Göransson , Litten Bertelsen , Dan Høfsten , Lars Køber , Henning Kelbæk , Niels Vejlstrup and Thomas Engstrøm

Background: Pathological early Q waves (QW) are associated with adverse outcomes in patients with ST-segment–elevation myocardial infarction (STEMI). Primary percutaneous coronary intervention (PCI) may therefore be less beneficial in patients with QW than in patients without QW. Myocardial salvage index and microvascular obstruction (MVO) are markers for reperfusion success. Thus, to clarify the benefit from primary PCI in STEMI patients with QW, we examined the association between baseline QW and myocardial salvage index and MVO in STEMI patients treated with primary PCI.

01 marzo 2017

CIRCULATION: CARDIOVASCULAR INTERVENTIONS. Effects of Renal Artery Denervation on Ventricular Arrhythmias in a Postinfarct Model

Nicholas Jackson , Sigfús Gizurarson , Mohammed Ali Azam , Benjamin King , Andrew Ramadeen , Nima Zamiri , Andreu Porta-Sánchez , Abdul Al-Hesayen , John Graham , Marjan Kusha , Stéphane Massé , Patrick F.H. Lai , John Parker , Rohan John , Tim-Rasmus Kiehl , Govind Krishna Kumar Nair , Paul Dorian and Kumaraswamy Nanthakumar

Background: The therapeutic potential of renal denervation (RDN) for arrhythmias has not been fully explored. Detailed mechanistic evaluation is in order. The objective of the present study was to determine the antiarrhythmic potential of RDN in a postinfarct animal model and to determine whether any benefits relate to RDN-induced reduction of sympathetic effectors on the myocardium.

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Culprit Vessel Versus Multivessel Versus In-Hospital Staged Intervention for Patients With ST-Segment Elevation Myocardial Infarction and Multivessel Disease

M. Bilal Iqbal, Imad J. Nadra, Lillian Ding, Anthony Fung, Eve Aymong, Albert W. Chan, Steven Hodge, Anthony Della Siega, Simon D. Robinson and British Columbia Cardiac Registry Investigators

Objectives: This study evaluated revascularization strategies for patients with ST-segment elevation myocardial infarction (STEMI) and multivessel disease.

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Efficacy and Safety of the Absorb Everolimus-Eluting Bioresorbable Scaffold for Treatment of Patients With Diabetes Mellitus

Dean J. Kereiakes, Stephen G. Ellis, Takeshi Kimura, Alexandre Abizaid, Weiying Zhao, Susan Veldhof, Minh-Thien Vu, Zhen Zhang, Yoshinobu Onuma, Bernard Chevalier, Patrick W. Serruys and Gregg W. Stone

Objectives: The study sought to evaluate the efficacy and safety of the Absorb everolimus-eluting bioresorbable vascular scaffold (BVS) (Abbott Vascular, Abbott Park, Illinois) in patients with diabetes mellitus.

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Transcatheter Valve-in-Ring Implantation for the Treatment of Residual or Recurrent Tricuspid Valve Dysfunction After Prior Surgical Repair

Jamil Aboulhosn, Allison K. Cabalka, Daniel S. Levi, Dominique Himbert, Luca Testa, Azeem Latib, Raj R. Makkar, Younes Boudjemline, Dennis W. Kim, Joelle Kefer, Sabine Bleiziffer, Gunter Kerst, Danny Dvir and Doff B. McElhinney

Objectives: This study sought to describe the results of transcatheter tricuspid valve-in-ring (TVIR) implantation for treatment of tricuspid regurgitation (TR).

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Apixaban in Patients With Atrial Fibrillation After Transfemoral Aortic Valve Replacement

Julia Seeger, Birgid Gonska, Christoph Rodewald, Wolfgang Rottbauer and Jochen Wöhrle

Objectives: The aims of this study were to assess the impact of atrial fibrillation (AF) on outcome in transfemoral aortic valve replacement (TAVR) and to evaluate the safety and efficacy of apixaban compared with a vitamin K antagonist (VKA) in patients with AF after TAVR.

01 febrero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. The Impact of Excluding Shock Patients on Hospital and Physician Risk-Adjusted Mortality Rates for Percutaneous Coronary Interventions

Edward L. Hannan, Ye Zhong, Kimberly Cozzens, Foster Gesten, Marcus Friedrich, Peter B. Berger, Alice K. Jacobs, Gary Walford, Frederick S.K. Ling, Ferdinand J. Venditti and Spencer B. King III

Objectives: The authors examined the impact of including shock patients in public reporting of percutaneous coronary intervention (PCI) risk-adjusted mortality.

01 febrero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Transradial Coronary Interventions for Complex Chronic Total Occlusions

Yutaka Tanaka, Noriaki Moriyama, Tomoki Ochiai, Takuma Takada, Kazuki Tobita, Koki Shishido, Kazuya Sugitatsu, Futoshi Yamanaka, Shingo Mizuno, Masato Murakami, Junya Matsumi, Saeko Takahashi, Takeshi Akasaka and Shigeru Saito

Objectives: The aims of this study were to assess whether the transradial approach can be applied to treat complex chronic total occlusion (CTO) and to determine the predictors of transradial percutaneous coronary intervention (PCI) failure.

01 febrero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Comparison of Durable-Polymer Zotarolimus-Eluting and Biodegradable-Polymer Biolimus-Eluting Coronary Stents in Patients With Coronary Artery Disease

Bent Raungaard, Evald H. Christiansen, Hans Erik Bøtker, Henrik S. Hansen, Jan Ravkilde, Leif Thuesen, Jens Aarøe, Anton B. Villadsen, Christian J. Terkelsen, Lars R. Krusell, Michael Maeng, Steen D. Kristensen, Karsten T. Veien, Knud N. Hansen, Anders Junker, Morten Madsen, Søren L. Andersen, Svend E. Jensen, Lisette O. Jensen, SORT OUT VI Investigators, Bent Raungaard, Kristian Thygesen, Jacob Thorsted Sørensen, Bjarne Linde Nørgaard, Søren Lindholt Andersen, Morten Madsen, Bent Raungaard, Svend Eggert Jensen, Evald Høj Christiansen, Hans Erik Bøtker, Henrik Steen Hansen and Lisette Okkels Jensen

Objectives: The authors sought to compare the safety and efficacy of the biocompatible durable-polymer zotarolimus-eluting stent with the biodegradable-polymer biolimus-eluting stent in unselected coronary patients.

01 febrero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Early Clinical Outcomes After Transcatheter Aortic Valve Replacement Using a Novel Self-Expanding Bioprosthesis in Patients With Severe Aortic Stenosis Who Are Suboptimal for Surgery

Jeffrey J. Popma, Michael J. Reardon, Kamal Khabbaz, J. Kevin Harrison, G. Chad Hughes, Susheel Kodali, Isaac George, G. Michael Deeb, Stan Chetcuti, Robert Kipperman, John Brown, Hongyan Qiao, James Slater and Mathew R. Williams

Objectives: This study sought to evaluate this transcatheter aortic valve (TAV) bioprosthesis in patients who are poorly suitable for surgical aortic valve (AV) replacement.

01 febrero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Initial Experience of a Second-Generation Self-Expanding Transcatheter Aortic Valve: The UK & Ireland Evolut R Implanters’ Registry

Sundeep S. Kalra, Sami Firoozi, James Yeh, Daniel J. Blackman, Shabnam Rashid, Simon Davies, Neil Moat, Miles Dalby, Tito Kabir, Saib S. Khogali, Richard A. Anderson, Peter H. Groves, Darren Mylotte, David Hildick-Smith, Rajiv Rampat, Jan Kovac, Ashan Gunarathne, Jean-Claude Laborde and Stephen J. Brecker

Objectives: The authors present the UK and Irish real-world learning curve experience of the Evolut R transcatheter heart valve.

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