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 Continued... 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 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 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 Table of Contents – page 3 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 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 Table of Contents – page 4 COMMENTARY: Effect of Graft Fabric on Pulse Wave Velocity Following Endovascular Aneurysm Repair Mohamed F. Abdelhamid, MBBCh (Hon), MSc, MRCSEd London, UK Infective Etiology Affects Outcomes of Late Open Conversion After Failed EVAR Danilo Menna, MD; Laura Capoccia, MD, PhD; Pasqualino Sirignano, MD; Andrea Esposito, MD; Massimo Rossi, MD; and Francesco Speziale, MD Rome, Italy 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