Dual Mobility Acetabular Cups in Primary Total Hip Arthroplasty in Patients at High Risk for Dislocation
Steven F. Harwin, MD, Chief of Adult Reconstruction and Total Joint Replacement, Center for Reconstructive Joint Surgery, Mount Sinai Beth Israel Medical Center, New York, New York, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Chukwuweike Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jared M. Newman, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Carlos A. Higuera, MD, Attending Physician, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Peter M. Bonutti, MD, Orthopaedic Surgeon, Bonutti Clinic, Effingham, Illinois, Arthur L. Malkani, MD, Professor, Orthopaedic Surgery Department, University of Louisville, Louisville, Kentucky, Frank R. Kolisek, MD, Orthopaedic Surgeon, OrthoIndy, Greenwood, Indiana, Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics,  Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

831

A Randomized, Multicenter, Double-Blind Study of Local Infiltration Analgesia with Liposomal Bupivacaine for Postsurgical Pain Following Total Knee Arthroplasty: Rationale and Design of the Pillar Trial

Stan Dysart, MD, Board Certified Orthopaedic Surgeon, Pinnacle Orthopaedics, Marietta, Georgia, Mark A. Snyder, MD, Director of the Orthopaedic Center of Excellence at Good Samaritan Hospital, Wellington Orthopaedics and Sports Medicine, Cincinnati, Ohio, Michael A. Mont, MD, Chairman of the Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio

777

Tranexamic Acid and Computer-Assisted Surgery in Cemented and Cementless Total Knee Arthroplasty: Are the Effects Additive for Blood Conservation?
Michael Fleischman, DO, Orthopedic Surgeon, The Vancouver Clinic, Vancouver, Washington, Mark Hood, Jr., MD, MS, Resident, Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana, Mary Ziemba-Davis, BA, Director of Research for Orthopedics, Academic Health Center, Indiana University Health Physicians, Fishers, Indiana, R. Michael Meneghini, MD, Associate Professor of Orthopaedic Surgery, Indiana University School of Medicine, Director of Joint Replacement, Indiana University Health Physicians Orthopedics and Sports Medicine, Fishers, Indiana

826

Factors Predisposing to Dislocation After Primary Total Hip Arthroplasty: A Multivariate Analysis of Risk Factors at 7 to 10 Years Follow-up
Michele Francesco Surace, MD, Professor and Director of the Residency Program, Orthopedics and Trauma Clinic, Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Varese, Italy, Luca Monestier, MD, Orthopedic Surgeon, Orthopedic and Trauma Unit, ASST Sette Laghi, Varese, Italy, Fabio D’Angelo, MD, Professor, Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Director Orthopedic and Trauma Unit, ASST Sette Laghi, Varese, Italy, Andrea Bertagnon, MD, Resident, Orthopedics and Trauma Clinic, Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Varese, Italy

778

Intraarticular Administration of Tranexamic Acid is Safe and Effective in Total Knee Arthroplasty Patients at High-Risk for Thromboembolism
Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Chukwuweike Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Melbin Thomas, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Prathik P. Mudaliar, BS, Research Assistant, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Vidur Tangri, BS, Research Assistant, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

792

Intrawound Vancomycin Powder Reduces Early Prosthetic Joint Infections in Revision Hip and Knee Arthroplasty
Jeffrey E Otte, MD, Resident, Orthopedic Surgery, Mount Carmel Health Systems, Columbus, Ohio, Joel R. Politi, MD, Associate Faculty Member, Department of Orthopedic Surgery, Mount Carmel Healthy Systems, Columbus, Ohio, Bryan Chambers, MD, Associate Faculty Member, Department of Orthopedic Surgery, Mount Carmel Health Systems, Columbus, Ohio, Craig A. Smith, MD, Resident, Orthopedic Surgery, Mount Carmel Health Systems, Columbus, Ohio

797

Early Termination of Randomized Clinical Trials in Orthopaedics
Nicolas Piuzzi, MD, Clinical Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Chukwuweike U. Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, George Muschler, MD, Attending Physician, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Kurt P. Spindler, MD, Director of Research, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

798

Three-Year Results with a Ringless Third-Generation Porous Plasma Sprayed Acetabular Component in Primary Total Hip Arthroplasty

Keith R. Berend, MD, Vice President, Joint Implant Surgeons, Inc., New Albany, Ohio, Chief Executive Officer and President, White Fence Surgical Suites, New Albany, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio, Joanne B. Adams, BFA, CMI, Research Director and Medical Illustrator, Joint Implant Surgeons, Inc., New Albany, Ohio, Michael J. Morris, MD, Treasurer, Joint Implant Surgeons, Inc., New Albany, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio, Adolph V. Lombardi Jr., MD, FACS, President, Joint Implant Surgeons, Inc., New Albany, Ohio, Clinical Assistant Professor, Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio

801

Efficacy of Adductor Canal Blockade Compared to Multimodal Peri-Articular Analgesia Following Total Knee Arthroplasty

Chukwuweike U. Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Priya Jha, BS, Research Assistant, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Melbin Thomas, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland

804

Development of an Encompassing Questionnaire for Evaluating the Outcomes Following Total Knee Arthroplasty

Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Melbin Thomas, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Chukwuweike U. Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Julio J. Jauregui, MD, Research Fellow, Department of Orthopaedic Surgery, University of Maryland, Baltimore, Maryland, Randa K. Elmallah, MD, Resident, Department of Orthopaedic Surgery, University of Mississippi, Jackson, Mississippi, Martin Roche, MD, Chief, Holy Cross Orthopedic Institute, Fort Lauderdale, Florida, Michael A Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

805

The Learning Curve Associated with the Administration of Intra-Articular Liposomal Bupivacaine for Total Knee Arthroplasty: A Pilot Study
Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Randa K. Elmallah, MD, Resident, Department of Orthopaedic Surgery, University of Mississippi, Jackson, Mississippi, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, George A. Yakubek, DO, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Mhamad Faour, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Alison K. Klika, MS, Research Program Manager, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Carlos A. Higuera, MD, Attending Physician, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Robert M. Molloy, MD, Director of Adult Reconstruction, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

813

Chronic Achilles Tendon Rupture Treated with Allograft: A Case Report
Giuseppe Restuccia, MD, Specialist, Department of Orthopedics and Traumatology, S.O.D Ortopedia e Traumatologia AOUP, Pisa, Italy, Alessandro Lippi, MD, Specialist, Department of Orthopedics and Traumatology, S.O.D Ortopedia e Traumatologia AOUP, Pisa, Italy, Francesco Casella, MD, Resident, Department of Orthopedics and Traumatology, University of Pisa, Pisa, Italy, Carmine Citarelli, MD, Resident, Department of Orthopedics and Traumatology, University of Pisa, Pisa, Italy, Federico Sacchetti, MD, Resident, Department of Orthopedics and Traumatology, University of Pisa, Pisa, Italy, Maurizio Benifei, MD, Specialist, Department of Orthopedics and Traumatology, S.O.D Ortopedia e Traumatologia AOUP, Pisa, Italy

814

Achilles Tendon Repair Using the InternalBrace™ Principle

Graeme P. Hopper, MBChB, MSc, MRCS, Speciality Registrar, West of Scotland Orthopaedics, Glasgow, Scotland, UK, Gordon M. Mackay, MD, FRCS(Orth), FFSEM(UK), Professor, University of Stirling, Stirling, Scotland, UK

818

Medical Missions in the Middle East: An Orthopaedic Surgeon’s Experience of a Series of Lower Extremity Cases
Aiman Rifai, DO, Associate Professor, Department of Orthopaedics, Seton Hall University,  School of Health and Medical Sciences, South Orange, New Jersey, Todd P. Pierce, MD, Research Fellow, Department of Orthopaedics, Seton Hall University, School of Health and Medical Sciences, South Orange, New Jersey, Kimona Issa, MD, PGY3 Resident, Department of Orthopaedics, Seton Hall University,  School of Health and Medical Sciences, South Orange, New Jersey, Yasmine Rifai, Pre-medical Student, Department of Biological Sciences, Rutgers University, New Brunswick, New Jersey, Bartlomiej Szczech, MD, Adult Joint Reconstruction Fellow, Rubin Institute for Advanced Orthopedics, Sinai Hospital Baltimore, Baltimore, Maryland

822

Results of a Modular Femoral Revision System Before and After Taper Roller Hardening in Total Hip Arthroplasty
Dean J. Marshall, DO, Associate, Spectrum Orthopedics, North Canton, Ohio, Keith R. Berend, MD, Vice President, Joint Implant Surgeons, Inc., New Albany, Ohio, Chief Executive Officer and President, White Fence Surgical Suites, New Albany, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio, Michael J. Morris, MD, Partner, Joint Implant Surgeons, Inc., New Albany, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio, Joanne B. Adams, BFA, CMI, Research Director and, Medical Illustrator, Joint Implant Surgeons, Inc., New Albany, Ohio, Adolph V. Lombardi Jr., MD, FACS, President, Joint Implant Surgeons, Inc., New Albany, Ohio, Clinical Assistant Professor, Department of Orthopaedics, The Ohio State University, Wexner Medical Center, Columbus, Ohio, Attending Surgeon, Mount Carmel Health System, Columbus, Ohio

823

Does an Anterior-Lipped Tibial Insert Adequately Substitute for a Post-Cam Articulation in Total Knee Arthroplasty
Rahul K. Biyani, MD, Orthopedic Surgeon, Orthopedic One, Upper Arlington, Ohio, Mary Ziemba-Davis, BA, Director of Research for Orthopedics, Indiana University Health Physicians Orthopedics and Sports Medicine, IU Health Saxony Hospital, Fishers, Indiana, Philip H. Ireland, MD, Orthopedic Surgeon, Indiana University Health Physicians Orthopedics and Sports Medicine, IU Health Saxony Hospital, Fishers, Indiana, Assistant Professor of Clinical Orthopaedic Surgery, Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana, R. Michael Meneghini, MD, Director of Joint Replacement, Indiana University Health Physicians Orthopedics and Sports Medicine, IU Health Saxony Hospital, Fishers, Indiana, Associate Professor, Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana

825

Evaluation of the Effects of the Metha® Short Stem on Periprosthetic Bone Remodelling in Total Hip Arthroplasties: Results at 48 Months
Paolo D. Parchi, MD, Assistant Professor, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Gianluca Ciapini, MD, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Iacopo Castellini, MD, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Claudia Mannucci, MD, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Anna Maria Nucci, MD, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Nicola Piolanti, MD, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy, Silvia Maffei, MD, Institute of Clinical Physiology, National Research Council, Pisa, Italy, Michele Lisanti, MD, Full Professor, 1st Orthopedic Division, Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy

828

Pain Management with Adductor Canal Blockade or Multimodal Periarticular Analgesia in Elderly Total Knee Arthroplasty Patients
Chukwuweike U. Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Nequesha Mohamed, MD, Research Assistant, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Melbin Thomas, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Sabahat Khan, MD, Research Assistant, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland

829

Opportunities in Total Knee Arthroplasty: Worldwide Surgeons’ Perspective
Michael Dunbar, MD, PhD, Professor of Surgery, Division of Orthopaedic Surgery, Dalhousie University, Nova Scotia, Canada, Jared M. Newman, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Nick Martinez, MSE, Senior Business Analyst, Stryker Orthopaedics, Mahwah, New Jersey, Manoshi Bhowmik-Stoker, Ph.D., Senior Manager, Research, Stryker Orthopaedics, Mahwah, New Jersey, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

833

Robotic-Assisted Total Hip Arthroplasty: Outcomes at Minimum Two-Year Follow-Up
Richard L. Illgen II, MD, Professor of Orthopaedic Surgery, Department of Orthopedics and Rehabilitation, The University of Wisconsin School of Medicine and Public Health, UW-Health at The American Center, Madison, Wisconsin, Brandon R. Bukowski, BSc, Medical Student, Department of Orthopedics and Rehabilitation, The University of Wisconsin School of Medicine and Public Health, UW-Health at The American Center, Madison, Wisconsin, Rasheed Abiola, MD, Department of Orthopedics and Rehabilitation, The University of Wisconsin School of Medicine and Public Health, UW-Health at The American Center, Madison, Wisconsin, Paul Anderson, MD, Professor of Orthopaedic Surgery, Department of Orthopedics and Rehabilitation, The University of Wisconsin School of Medicine and Public Health, UW-Health at The American Center, Madison, Wisconsin, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

836

What Influences How Patients with Depression Rate Hospital Stay After Total Joint Arthroplasty?
Chukwuweike Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Nicolas Piuzzi, MD, Clinical Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Melbin Thomas, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Randa K. Elmallah, MD, Resident Physician, Department of Orthopaedic Surgery, University of Mississippi, Jackson, Mississippi, George Muschler, MD, Attending Physician, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Steven F. Harwin, MD, Chief of Adult Reconstruction and Total Joint Replacement, Center for Reconstructive Joint Surgery, Mount Sinai Beth Israel Medical Center, New York, New York, Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland

838

What is the Impact of Body Mass Index on Cardiovascular and Musculoskeletal Health?
Morad Chughtai, MD, Research Fellow, Anton Khlopas, MD, Research Fellow,  Jared M. Newman, MD, Research Fellow, Gannon L. Curtis, MD, Research Fellow, Nipun Sodhi, BA, Research Fellow, Prem N. Ramkumar, MD, MBA, Orthopaedic Surgey PGY-1 Resident, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Rafay Khan, MD, Internal Medicine Resident, Department of Internal Medicine, Raritan Bay Medical Center, Perth Amboy, New Jersey, Shervin Shaffiy, MD, Post-Graduate, St. Georges University School of Medicine, True Blue, Grenada, West Indies, Ali Nadhim, MD, Internal Medicine Resident, Department of Internal Medicine, Raritan Bay Medical Center, Perth Amboy, New Jersey, Anil Bhave, MS, Director of Physical Therapy, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopaedics, Baltimore, Maryland, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

867

Does Length of Stay Influence How Patients Rate Their Hospitalization After Total Hip Arthroplasty?
Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Chukwuweike Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Jaydev B. Mistry, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Morad Chughtai, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Prem Ramkumar, MD, Orthopaedic Surgery Resident, Department of Orthopaedic Surgery and Rehabilitation, Cleveland Clinic Foundation, Cleveland, Ohio, Nicolas Piuzzi, MD, Clinical Fellow, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio, Ryan Berger, MD, Orthopaedic Surgery Resident, Department of Orthopaedic Surgery and Rehabilitation, Cleveland Clinic Foundation, Cleveland, Ohio, Peter M. Bonutti, MD, Orthopaedic Surgeon, Bonutti Clinic, Effingham, Illinois, Arthur L. Malkani, MD, Professor, Orthopaedic Surgery Department, University of Louisville, Louisville, Kentucky, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio

839

Effects of Topical Antiseptic Solutions Used During Total Knee Arthroplasty on Suture Tensile Strength
Jared M. Newman, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Jaiben George, MBBS, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Jeffery T. Shepherd, MD, Surgeon, Department of Orthopaedics, Advanced Orthopaedic Associates, Wichita, Kansas, Alison K. Klika, MS, Research Program Manager, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Carlos A. Higuera, MD, Staff Surgeon,, Department of Orthopaedic Surgery, Vice Chair, Quality and Patient Safety, Cleveland Clinic, Cleveland, Ohio, Viktor E. Krebs, MD, Vice Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

844

What Influences How Patients Rate Their Hospital Stay After Total Hip Arthroplasty?
Nirav K. Patel, MD, FRCS, Clinical Fellow, Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, Virginia, Eric Kim, DO, Resident Physician, Department of Orthopaedic Surgery, Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania, Anton Khlopas, MD, Research Fellow,  Morad Chughtai, MD, Research Fellow, Chukwuweike Gwam, MD, Research Fellow, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, Randa K. Elmallah, MD, Resident, Department of Orthopaedic Surgery, University of Mississippi, Jackson, Mississippi, Prem Ramkumar, MD, Resident Physician, Nicolas S. Piuzzi, MD, Clinical Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Ronald E. Delanois, MD, Director, Hip, Knee, and Shoulder Surgery, Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, Baltimore, Maryland, George Muschler, MD, Orthopaedic Surgeon, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

855

Low Ankle Sprains: A Current Review of Diagnosis and Treatment
Anthony J. Scillia, MD, Associate Professor, Seton Hall University, Todd P. Pierce, MD, Research Fellow, Seton Hall University, Kimona Issa, MD, PGY3 Resident, Department of Orthopaedics, Craig Wright, MD, Associate Professor, Department of Orthopaedics, John J. Callaghan, MD, Associate Professor, Department of Orthopaedics, Anthony Festa, MD, Associate Professor, Department of Orthopaedics, Vincent K. McInerney, MD, Orthopaedic Surgery Residency Program Director, Department of Orthopaedics, Seton Hall University, School of Health, and Medical Sciences, South Orange, New Jersey

856

Cryotherapy Treatment After Arthroscopic Knee Debridement and ACL Reconstruction: A Review
Michael Jawad, BS, Research Fellow, Nipun Sodhi, BA, Research Fellow, Morad Chughtai, MD, Research Fellow, Jared M. Newman, MD, Research Fellow, Anton Khlopas, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Ohio, Cleveland, Ohio, Anil Bhave, MS, Director of Physical Therapy, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopaedics, Baltimore, Maryland, Timothy Wagner, MD, Resident, Assem A. Sultan, MD, Resident, Martin Roche, MD, Chief, Department of Orthopedic Surgery, Holy Cross Hospital, Fort Lauderdale, Florida, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

874

The Use of Transcutaneous Electrical Nerve Stimulation After Total Knee Arthroplasty: A Prospective Randomized Controlled Trial
Deepak Ramanathan, MD, Research Fellow, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Anas Saleh, MD, Resident, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Alison K. Klika, MS, Research Program Manager, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, Carlos A. Higuera, MD, Staff Surgeon, Department of Orthopaedic Surgery, Vice Chair, Quality and Patient Safety, Cleveland Clinic, Cleveland, Ohio, Wael K. Barsoum, MD, President, Cleveland Clinic Florida, Cleveland Clinic, Cleveland, Ohio

857

Transfusion Requirements Following Total Knee Arthroplasty in Patients with Preexisting Blood Dyscrasia
Martin Roche, MD, Director of Robotics, Tsun yee Law, MD, Research Fellow, Department of Orthopaedic Surgery, Holy Cross Orthopedic Institute, Fort Lauderdale, Florida, Samuel Rosas, MD, Research Fellow, Augustus J. Rush III, MD, Resident Physician, Department of Orthopaedic Surgery, University of Miami/Jackson Memorial Hospital, Miami, Florida, Anton Khlopas, MD, Research Fellow, Morad Chughtai, MD, Research Fellow, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

861

Robotic-Arm Assisted Total Knee Arthroplasty Demonstrated Soft Tissue Protection
Anton Khlopas, MD, Research Fellow, Morad Chughtai, MD, Research Fellow, Emily L. Hampp, PhD, Senior Staff Engineer, Laura Y. Scholl, MS, Staff Engineer, Michael Prieto, BS, Engineer, Ta-Cheng Chang, PhD, Senior Staff Engineer, Abdullah Abbasi, MS, Staff Engineer, Manoshi Bhowmik-Stoker, PhD, Senior Manager, Jason Otto, PhD, Chief Engineer, Robotics System Engineering, Stryker, Mahwah, New Jersey, David J. Jacofsky, MD, Chairman, The Core Institute, Phoenix, Arizona, Michael A. Mont, MD, Chairman, Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio

875

A Cadaver Study to Evaluate the Accuracy of a New 3D Mini-Optical Navigation Tool for Total Hip Arthroplasty
Jonathan M. Vigdorchik, MD, Assistant Professor, Department of Orthopaedic Surgery, NYU Langone Medical Center-Hospital for Joint Diseases, New York, New York, Michael B. Cross, MD, Assistant Attending Orthopaedic Surgeon, Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, Eric A. Bogner, MD, Associate Attending Radiologist, Department of Radiology and Imaging, Hospital for Special Surgery, New York, New York, Theodore T. Miller, MD, Attending Radiologist, Department of Radiology and Imaging, Hospital for Special Surgery, New York, New York, Jeffrey M. Muir, MSc, DC, MSc (Clin Epi), Clinical Epidemiologist, Clinical Research, Intellijoint Surgical, Waterloo, Canada, Ran Schwarzkopf, MD, MSc, Assistant Professor, Department of Orthopaedic Surgery, NYU Langone Medical Center-Hospital for Joint Diseases, New York, New York

842