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ESTUDIOS


15 noviembre 2016

CATHETERIZATION & CARDIOVASCULAR INTERVENTIONS. Transradial and transulnar access for iliac artery interventions using sheathless guiding systems: A feasibility study

Z. Ruzsa MD, PhD, K. Tóth MD, B. Nemes MD, PhD, I.F. Édes MD, PhD, S. Nardai MD, B. Berta MD, N. Kovács MD, K. Hüttl MD, PhD, B. Merkely MD, DSc

Purpose: Our aim was to evaluate the acute success and complication rates of the transradial and transulnar access for iliac artery stenting using sheathless guiding systems.

01 diciembre 2015

JACC: CARDIOVASCULAR INTERVENTIONS. Progression of Intimal Hyperplasia and Multiple-Channel Formation After Fogarty Thrombectomy. Insight Into Vasculopathy From Optical Coherence Tomography and Intravascular Ultrasound Findings

Yoshiya Yamamoto, Osami Kawarada, Shingo Sakamoto, Koichiro Harada, Teruo Noguchi, Hisao Ogawa, Satoshi Yasuda

Given the marked increase in the number of patients with atrial fibrillation (AF) (1), more than 80% of acute limb ischemia (ALI) cases are now due to cardiac embolism associated with AF (2). Fogarty thrombectomy is the gold standard treatment of ALI.

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Anatomic Suitability for Transcaval Access Based on Computed Tomography

Robert J. Lederman, Adam B. Greenbaum, Toby Rogers, Jaffar M. Khan, Melissa Fusari, Marcus Y. Chen

Abstract: Transcaval access has been used successfully for over 200 transcatheter aortic valve replacements, large-bore percutaneous left ventricular assist devices, and thoracic endovascular aortic aneurysm repairs. This review teaches how to plan transcaval access and closure based on computed tomography. The main planning goals are to: 1) identify calcium-free crossing targets in the abdominal aorta along with optimal fluoroscopic projection angles and level with respect to lumbar vertebrae; 2) identify obstacles such as interposed bowel or pedunculated aortic atheroma; 3) plan covered stent bailout; and 4) identify jeopardized vascular branches such as renal arteries that might be obstructed by bailout covered stents if employed. The aorta and inferior vena cava are segmented (sculpted) using an image reconstruction workstation and crossing targets are highlighted. Important measurements such as aortic lumen diameter and target distance from renal arteries, aortoiliac bifurcation, and right femoral vein puncture site are reported to assist the operator.

01 enero 2017

JACC: CARDIOVASCULAR INTERVENTIONS. Clinical Outcomes of Pedal Artery Angioplasty for Patients With Ischemic Wounds. Results From the Multicenter RENDEZVOUS Registry

Tatsuya Nakama, Nozomi Watanabe, Takuya Haraguchi, Hiroshi Sakamoto, Daisuke Kamoi, Yoshinori Tsubakimoto, Kenji Ogata, Katsuhiko Satoh, Kazushi Urasawa, Hiroshi Andoh, Hiroshi Fujita, Yoshisato Shibata

Objectives: The aim of this study was to investigate the clinical outcomes of pedal artery angioplasty (PAA) for patients with critical limb ischemia.

01 diciembre 2016

JACC: CARDIOVASCULAR INTERVENTIONS. Endovascular Therapy Versus Bypass Surgery as First-Line Treatment Strategies for Critical Limb Ischemia. Results of the Interim Analysis of the CRITISCH Registry

Theodosios Bisdas, Matthias Borowski, Konstantinos Stavroulakis, Giovanni Torsello, CRITISCH Collaborators, Farzin Adili, Kai Balzer, Arend Billing, Dittmar Böckler, Daniel Brixner, Sebastian E. Debus, Hans-Henning Eckstein, Hans-Joachim Florek, Asimakis Gkremoutis, Reinhardt Grundmann, Thomas Hupp, Tobias Keck, Joachim Gerß, Wojciech Klonek, Werner Lang, Björn May, Alexander Meyer, Bernhard Mühling, Alexander Oberhuber, Holger Reinecke, Christian Reinhold, Ralf-Gerhard Ritter, Hubert Schelzig, Christian Schlensack, Thomas Schmitz-Rixen, Karl-Ludwig Schulte, Matthias Spohn, Markus Steinbauer, Martin Storck, Matthias Trede, Christian Uhl, Barbara Weis-Müller, Heiner Wenk, Thomas Zeller, Sven Zhorzel, Alexander Zimmermann

Objectives: The most effective first-line treatment between endovascular therapy and bypass surgery for patients with critical limb ischemia (CLI) is still not well defined. The primary aim of the interim analysis of CRITISCH (Registry of First-Line Treatments in Patients With Critical Limb Ischemia) was to compare both treatment options in a prospective confirmatory manner.

01 enero 2016

JACC: CARDIOVASCULAR INTERVENTIONS. Outcomes Associated With Inferior Vena Cava Filters Among Patients With Thromboembolic Recurrence During Anticoagulant Therapy

Meritxell Mellado, José I. Pijoan, David Jiménez, Alfonso Muriel, Drahomir Aujesky, Laurent Bertoletti, Herve Decousus, Deisy Barrios, Albert Clará, Roger D. Yusen, Manuel Monreal, RIETE Investigators

Objectives: The aim of this study was to assess the effectiveness of inferior vena cava (IVC) filter use among patients who develop recurrent symptomatic venous thromboembolism (VTE) on anticoagulant therapy.

01 enero 2016

JACC: CARDIOVASCULAR INTERVENTIONS. Endovascular Repair of Acute and Chronic Aortic Type B Dissections. Main Factors Affecting Aortic Remodeling and Clinical Outcome

Fabrizio Fanelli, Alessandro Cannavale, Gerard J. O’Sullivan, Marianna Gazzetti, Carlo Cirelli, Pierleone Lucatelli, Mariangela Santoni, Carlo Catalano

Objectives: The aim of this study was to assess factors influencing the clinical outcome and morphological changes of acute and chronic type B aortic dissection after thoracic endovascular aortic repair (TEVAR).

18 enero 2016

CIRCULATION. Endovascular Therapy for Femoropopliteal Disease: Drug-Eluting Stents Are Not the Default Therapy

Lawrence A. Garcia

Lower extremity arterial obstruction leading to ischemic claudication or critical limb ischemia is generally caused by atherosclerotic obstructive disease and affects an estimated 40 million Americans where up to 10 million are symptomatic.1 Treatment options in the past have ranged from simple medical therapy and exercise programs to revascularization strategies. These revascularization approaches have included surgical bypass or endovascular therapies.

07 octubre 2015

CIRCULATION. Drug-Coated Balloons as the New Standard of Care for Femoropopliteal In-Stent Restenosis. FAIR Assumption?

John R. Laird, Gagan D. Singh

The femoropopliteal segment is increasingly treated via an endovascular-first approach for both lifestyle-limiting claudication and critical limb ischemia. Nitinol stents have been shown to be superior to percutaneous transluminal angioplasty (PTA) and have become one of the primary modalities for the treatment of femoropopliteal obstructive atherosclerotic disease because of the improved structural integrity and conformability of newer devices.

13 noviembre 2016

CIRCULATION. Ticagrelor Compared With Clopidogrel in Patients With Prior Lower Extremity Revascularization for Peripheral Artery Disease

W. Schuyler Jones, Iris Baumgartner, William R. Hiatt, Gretchen Heizer, Michael S. Conte, Christopher J. White, Jeffrey S. Berger, Peter Held, Brian G. Katona, Kenneth W. Mahaffey, Lars Norgren, Juuso Blomster, Marcus Millegård, Craig Reist, Manesh R. Patel, F. Gerry R. Fowkes and On behalf of the International Steering Committee and Investigators of the EUCLID Trial

Background: In patients with symptomatic peripheral artery disease with a history of limb revascularization, the optimal antithrombotic regimen for long-term management is unknown.

26 octubre 2016

CIRCULATION. Variations in Abdominal Aortic Aneurysm Care: A Report From the International Consortium of Vascular Registries

Adam W. Beck, Art Sedrakyan, Jialin Mao, Maarit Venermo, Rumi Faizer, Sebastian Debus, Christian-Alexander Behrendt, Salvatore Scali, Martin Altreuther, Marc Schermerhorn, Barry Beiles, Zoltan Szeberin, Nikolaj Eldrup, Gudmundur Danielsson, Ian Thomson, Pius Wigger, Martin Björck, Jack L. Cronenwett, Kevin Mani and On behalf of the International Consortium of Vascular Registries

Background: This project by the ICVR (International Consortium of Vascular Registries), a collaboration of 11 vascular surgical quality registries, was designed to evaluate international variation in the contemporary management of abdominal aortic aneurysm (AAA) with relation to recommended treatment guidelines from the Society for Vascular Surgery and the European Society for Vascular Surgery.

01 diciembre 2015

JACC. Effect of Baseline Blood Pressure, Stenosis Severity, and Translesion Pressure Gradient

Timothy P. Murphy, Christopher J. Cooper, Alan H. Matsumoto, Donald E. Cutlip, Karol M. Pencina, Kenneth Jamerson, Katherine R. Tuttle, Joseph I. Shapiro, Ralph D’Agostino, Joseph Massaro, William Henrich, Lance D. Dworkin

Background: Multiple randomized clinical trials comparing renal artery stent placement plus medical therapy with medical therapy alone have not shown any benefit of stent placement. However, debate continues whether patients with extreme pressure gradients, stenosis severity, or baseline blood pressure benefit from stent revascularization.

01 diciembre 2015

JACC. Durability of Treatment Effect Using a Drug-Coated Balloon for Femoropopliteal Lesions. 24-Month Results of IN.PACT SFA

John R. Laird, Peter A. Schneider, Gunnar Tepe, Marianne Brodmann, Thomas Zeller, Christopher Metzger, Prakash Krishnan, Dierk Scheinert, Antonio Micari, David J. Cohen, Hong Wang, Melissa S. Hasenbank, Michael R. Jaff, IN.PACT SFA Trial Investigators

Background: Evidence from large, randomized, controlled peripheral artery disease trials reporting long-term outcomes using drug-coated balloons (DCBs) is limited. Previously, the DCB showed favorable 1-year outcomes compared with conventional percutaneous transluminal angioplasty (PTA), yet durability of the treatment effect with DCBs remains unknown.

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