VOLUME 21, NUMBER 6 DECEMBER 2014 Celebrating 20 Years  TABLE OF CONTENTS  LOWER LIMB INTERVENTIONS Heparin-Bonded Stent-Graft for the Treatment of TASC II C and D Femoropopliteal Lesions: The Viabahn-25 cm Trial Thomas Zeller, MD; Patrick Peeters, MD; Marc Bosiers, MD; Johannes Lammer MD; Klaus Brechtel, MD; Dierk Scheinert, MD; Aljoscha Rastan, MD; Elias Noory, MD; and Ulrich Beschorner, MD Bad Krozingen, Tübingen, and Leipzig, Germany; Bonheiden and Dendermonde, Belgium Antegrade Pedal Approach for Recanalizing Occlusions in the Opposing Circulatory Pathway of the Foot When a Retrograde Puncture Is Not Possible Luis Mariano Palena, MD, and Marco Manzi, MD Abano Terme, Italy COMMENTARY: Another Back Door to the Endovascular Future: An Antegrade Pedal Approach for Retrograde Revascularization Yoshihisa Shimada, MD, PhD Osaka, Japan VASCULAR ACCESS Safety and Effectiveness of a Novel Vascular Closure Device: A Prospective Study of the ExoSeal Compared to the Angio-Seal and ProGlide Kaffer Kara, MD; Amir A. Mahabadi, MD; Hanna Rothe; Patrick Müller, MD; Jan Krüger, MD; Horst Neubauer, MD; Oliver Klein-Wiele, MD; Andreas Mügge, MD; Philipp Kahlert, MD; and Raimund Erbel, MD Bochum, Duisburg, Essen, and Witten, Germany Journal of Endovascular Therapy (formerly Journal of Endovascular Surgery) (ISSN 1526-6028) is published bimonthly in February, April, June, August, October, and December by the INTERNATIONAL SOCIETY OF ENDOVASCULAR SPECIALISTS, 1928 East Highland Avenue, #F104-605, Phoenix, AZ 85016 USA; telephone: 1-602-650-1334. Publishing services provided by Allen Press Publishing Services, a division of Allen Press, Inc., 810 East 10th Street, Lawrence, KS 66044; telephone: 1-785-843-1234. Annual individual subscription rates are $267 for US delivery and $287 for air delivery outside the USA. Institutional subscriptions are $400 for US delivery and $434 for air delivery outside the USA. The single copy and back issue prices are $42.00 for US delivery and $48.00 for outside the US. Periodicals postage paid at Phoenix, AZ, and additional mailing offices. Postmaster: Send address changes to Journal of Endovascular Therapy, PO Box 1897, 810 East 10th Street, Lawrence, KS 66044-8897. Table of Contents – page 2 THORACIC AND THORACOABDOMINAL ENDOVASCULAR REPAIRS Visceral Branch Occlusion Following Aneurysm Repair Using Multibranched Thoracoabdominal Stent-Grafts Dhanakom Premprabha, MD; Julia Sobel, BS; Chris Pua, PhD; Karen Chong, BS; Linda M. Reilly, MD; Timothy A.M. Chuter, DM; and Jade S. Hiramoto, MD, MAS Hat Yai, Thailand; San Francisco, California, USA Aortic Hemodynamics After Thoracic Endovascular Aortic Repair, With Particular Attention to the Bird-Beak Configuration Guido H. W. van Bogerijen, MD; Ferdinando Auricchio, PhD; Michele Conti, PhD; Adrien Lefieux; Alessandro Reali, PhD; Alessandro Veneziani, PhD; Jip L. Tolenaar, MD, PhD; Frans L. Moll, MD, PhD; Vincenzo Rampoldi, MD; and Santi Trimarchi, MD, PhD Milan and, Italy; Utrecht, The Netherlands; Atlanta, Georgia, USA COMMENTARY: The Bird-Beak Stent-Graft Configuration: The End of Aortic Arch Endograft Collapse? Salvatore Pasta, PhD; Giuseppe Maria Raffa, MD; Giuseppe D’Ancona, MD, PhD; and Michele Pilato, MD Palermo, Italy; Berlin, Germany Transseptal Ascending Aortic Access Facilitates Transcatheter Embolization of Proximal Type I Endoleak Associated With Bird-Beak Configuration of an Endograft in the Proximal Aortic Arch George Joseph, DM; Sujith Thomas Chacko, DM; Edwin Stephen, MS; and Elizabeth Joseph, DNB Vellore, India COMMENTARY: Transseptal Salvation of a Leaking Thoracic Stent-Graft: “HeartWiring” a Path to the Aortic Arch Tilo Kölbel, MD, PhD Hamburg, Germany How Does the Multilayer Flow Modulator Work? The Science Behind the Technical Innovation Sherif Sultan, MD, FRCSI, FRCS, FEBVS; Niamh Hynes, MB BCh, MMSc, MD, MRCS; Edel P. Kavanagh, PhD; and Edward B. Diethrich, MD Galway, Ireland; Phoenix, Arizona, USA Table of Contents – page 3 ENDOVASCULAR ANEURYSM REPAIRS Graft Inflow Stenosis Induced by the Inflatable Ring Fixation Mechanism of the Ovation Stent-Graft System: Hemodynamic and Clinical Implications Christos V. Ioannou, MD, PhD; Nikolaos Kontopodis, MD; Eleni Metaxa, PhD; Yannis Papaharilaou, PhD; Efstratios Georgakarakos, MD, PhD; Alexandros Kafetzakis, MD; Elias Kehagias, MD; and Dimitrios Tsetis, MD, PhD Heraklion, Crete, and Alexandroupolis, Greece COMMENTARY: Implications of Ovation’s Unique Sealing Mechanism Konstantinos G. Moulakakis, MD, PhD, MSc, FEBVS; Spyridon N. Mylonas, MD, MSc; John Kakisis, MD, PhD, FEBVS; and Spyros N. Vasdekis, MD, PhD Athens, Greece Midterm Results of Endovascular Aneurysm Repair Using the Endurant StentGraft According to the Instructions for Use vs. Off-Label Conditions Nicola Troisi, MD; Giovanni Torsello, MD; Kristin Weiss, MD; Konstantinos P. Donas, MD, PhD; Stefano Michelagnoli, MD; and Martin Austermann, MD Florence, Italy; Münster, Germany COMMENTARY: Midterm Endurant Results Place More Confidence in Off-Label Use for EVAR Gregory A. Stanley, MD Jackson, Mississippi, USA Differential Effects of Stent-Graft Fabrics on Arterial Stiffness in Patients Undergoing Endovascular Aneurysm Repair Nikolaos P.E. Kadoglou, MD, PhD; Konstantinos G. Moulakakis, MD, PhD, MSc, FEBVS; Ioannis Papadakis, MD; Ignatios Ikonomidis, MD, PhD; Maria Alepaki, BSc; Aris Spathis, PhD; Petros Karakitsos, MD, PhD; John Lekakis, MD; and Christos D. Liapis, MD, PhD, FEBVS Athens, Greece COMMENTARY: Effect of Graft Fabric on Pulse Wave Velocity Following Endovascular Aneurysm Repair Mohamed F. Abdelhamid, MBBCh (Hon), MSc, MRCSEd London, UK CAROTID ARTERY INTERVENTIONS Flow-Independent Dynamics in Aneurysms: Intra-aneurysm Pressure Measurements Following Complete Flow Cessation in Internal Carotid Artery Aneurysms Adnan I. Qureshi, MD; Mushtaq H. Qureshi, MD; Tanya Mohindroo, MD; Asif A. Khan, MD; Kayla Dingmann, RN; Gregory T. Sherr, MD; and M. Fareed K. Suri, MD St. Cloud, Minnesota, USA