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Click the title under “My Titles” • Scratch off your Activation Code below • Enter it into the “Enter Activation Code” box • Click “Activate Now” • Click the title under “My Titles” For technical assistance: Activation Code email [email protected] call 800-401-9962 (inside the US) call +1-314-995-3200 (outside the US) Tachdjian’s Pediatric Orthopaedics From the Texas Scottish Rite Hospital for Children This page intentionally left blank Tachdjian’s Pediatric Orthopaedics From the Texas Scottish Rite Hospital for Children FIFTH EDITION Volume 1 John A. Herring, MD Chief of Staff Emeritus Texas Scottish Rite Hospital for Children Professor of Orthopaedic Surgery The University of Texas Southwestern Medical Center Dallas, Texas 1600 John F. Kennedy Blvd. Ste. 1800 Philadelphia, PA 19103-2899 TACHDJIAN’S PEDIATRIC ORTHOPAEDICS FROM THE TEXAS ISBN: 978-1-4377-1549-1 SCOTTISH RITE HOSPITAL FOR CHILDREN Volume 1 PN: 9996074501 Volume 2 PN: 9996074560 Volume 3 PN: 9996074625 Copyright © 2014, 2008, 2002, 1990, 1972 by Saunders, an imprint of Elsevier Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher. Details on how to seek permission, further information about the Publisher’s permissions policies, and our arrangements with organizations such as the Copyright Clearance Center and the Copyright Licensing Agency, can be found at our website: www.elsevier.com/permissions. This book and the individual contributions contained in it are protected under copyright by the Publisher (other than as may be noted herein). Notices Knowledge and best practice in this field are constantly changing. As new research and experience broaden our understanding, changes in research methods, professional practices, or medical treatment may become necessary. Practitioners and researchers must always rely on their own experience and knowledge in evaluating and using any information, methods, compounds, or experiments described herein. In using such information or methods, they should be mindful of their own safety and the safety of others, including parties for whom they have a professional responsibility. With respect to any drug or pharmaceutical products identified, readers are advised to check the most current information provided (i) on procedures featured or (ii) by the manufacturer of each product to be administered, to verify the recommended dose or formula, the method and duration of administration, and contraindications. It is the responsibility of practitioners, relying on their own experience and knowledge of their patients, to make diagnoses, to determine dosages and the best treatment for each individual patient, and to take all appropriate safety precautions. To the fullest extent of the law, neither the Publisher nor the authors, contributors, or editors assume any liability for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions, or ideas contained in the material herein. Library of Congress Cataloging-in-Publication Data Tachdjian’s pediatric orthopaedics : from the Texas Scottish Rite Hospital for Children / [edited by] John A. Herring.—Fifth edition. p. ; cm. Pediatric orthopaedics Includes bibliographical references and index. ISBN 978-1-4377-1549-1 (3 vol. set, 2 vol. hardcover : alk. paper) I. Herring, John A., editor of compilation. II. Texas Scottish Rite Hospital for Children, issuing body. III. Title: Pediatric orthopaedics. [DNLM: 1. Child. 2. Orthopedic Procedures. 3. Infant. 4. Musculoskeletal Diseases—surgery. WS 270] RD732.3.C48 618.92′7—dc23 2013030018 Senior Content Stategist: Don Scholz Senior Content Development Specialist: Jennifer Shreiner Publishing Services Manager: Anne Altepeter Senior Project Manager: Doug Turner Project Manager: Louise King Design Manager: Louis Forgione Printed in the United States of America Last digit is the print number: 9 8 7 6 5 4 3 2 1 C O N T R I B U T O R S Richard C. Adams, MD Mark C. Gebhardt, MD Medical Director of Developmental Disabilities Frederick W. and Jane Ilfed Professor of Orthopaedic Texas Scottish Rite Hospital for Children Surgery Associate Professor of Pediatrics Harvard Medical School The University of Texas Southwestern Medical Center Chief of Orthoapedic Surgery Neurodevelopmental Pediatrician Beth Israel Deaconess Medical Center Parkland Medical Center Associate in Orthopaedic Surgery Dallas, Texas Children’s Hospital Boston Boston, Massachusetts Megan E. Anderson, MD Instructor in Orthopaedic Surgery John A. Herring, MD Harvard Medical School Chief of Staff Emeritus Department of Orthopaedic Surgery Texas Scottish Rite Hospital for Children Beth Israel Deaconess Medical Center Professor of Orthopaedic Surgery Children’s Hospital Boston The University of Texas Southwestern Medical Center Boston, Massachusetts Dallas, Texas John G. Birch, MD Christine Ho, MD Assistant Chief of Staff Staff Orthopaedist Texas Scottish Rite Hospital for Children Texas Scottish Rite Hospital for Children Professor of Orthopaedic Surgery Assistant Professor of Orthopaedic Surgery The University of Texas Southwestern Medical Center The University of Texas Southwestern Medical Center Dallas, Texas Dallas, Texas Alexander Cherkashin, MD Charles E. Johnston, MD Director, Division of Clinic Implementation and Data Assistant Chief of Staff Management Texas Scottish Rite Hospital for Children Texas Scottish Rite Hospital for Children Professor of Orthopaedic Surgery Assistant Professor The University of Texas Southwestern Medical Center Department of Orthopaedic Surgery Dallas, Texas The University of Texas Southwestern Medical Center Dallas, Texas Lori A. Karol, MD Staff Orthopaedist Lawson A.B. Copley, MD Texas Scottish Rite Hospital for Children Staff Orthopaedist Professor of Orthopaedic Surgery Texas Scottish Rite Hospital for Children The University of Texas Southwestern Medical Center Associate Professor of Orthopaedic Surgery Dallas, Texas The University of Texas Southwestern Medical Center Dallas, Texas Harry K.W. Kim, MD, MSc, FRCSC Director, Sarah M. and Charles E. Seay Center for Molly E. Dempsey, MD Musculoskeletal Research Medical Director of Radiology Director, Center for Excellence in Hip Disorders Texas Scottish Rite Hospital for Children Texas Scottish Rite Hospital for Children Dallas, Texas Associate Professor of Orthopaedic Surgery The University of Texas Southwestern Medical Center Henry Ellis, MD Dallas, Texas Staff Orthopaedist Children’s Medical Center Veronica M. Meneses, MD, FAAP Dallas, Texas Director, Rainbow Clinics, Developmental-Behavioral Pediatrics Texas Scottish Rite Hospital for Children Clinical Instructor The University of Texas Southwestern Medical Center Dallas, Texas v vi Contributors Pamela Nurenberg, MD Fay Z. Safavi, MBBS, FFARCS Staff Pediatric Radiologist Director, Department of Anesthesiology and Pain Texas Scottish Rite Hospital for Children Management Clinical Associate Professor of Radiology Texas Scottish Rite Hospital for Children The University of Texas Southwestern Medical Center Professor of Anesthesiology and Pain Management Dallas, Texas The University of Texas Southwestern Medical Center Dallas, Texas David A. Podeszwa, MD Staff Orthopaedist Mikhail Samchukov, MD Texas Scottish Right Hospital for Children Co-Director, Center of Excellence for Limb Lengthening Associate Professor and Reconstruction Department of Orthopaedic Surgery Texas Scottish Rite Hospital for Children The University of Texas Southwestern Medical Center Associate Professor Dallas, Texas Department of Orthopaedic Surgery The University of Texas Southwestern Medical Center Brandon A. Ramo, MD Dallas, Texas Staff Orthopaedist Texas Scottish Rite Hospital for Children Daniel J. Sucato, MD Children’s Medical Center Dallas Chief of Staff Assistant Professor Texas Scottish Rite Hospital for Children Department of Orthopaedic Surgery Professor of Orthopaedic Surgery The University of Texas Southwestern Medical Center The University of Texas Southwestern Medical Center Dallas, Texas Staff Orthopaedist Children’s Medical Center Karl E. Rathjen, MD Dallas, Texas Staff Orthopaedist Texas Scottish Rite Hospital for Children David C. Wilkes, MD Professor Staff Radiologist Department of Orthopaedic Surgery Texas Scottish Rite Hospital for Children The University of Texas Southwestern Medical Center Dallas, Texas Chief of Clinical Service Department of Orthopaedic Surgery Philip L. Wilson, MD Children’s Medical Center Staff Orthopaedist Dallas, Texas Texas Scottish Rite Hospital for Children Associate Professor Anthony I. Riccio, MD Department of Orthopaedic Surgery Staff Orthopaedist The University of Texas Southwestern Medical Center Texas Scottish Rite Hospital for Children Staff Orthopaedist Assistant Professor Children’s Medical Center Department of Orthopaedic Surgery Dallas, Texas The University of Texas Southwestern Medical Center Staff Orthopaedist Robert Lane Wimberly, MD Children’s Medical Center Staff Orthopaedist Dallas, Texas Texas Scottish Rite Hospital for Children Assistant Professor B. Stephens Richards, MD Department of Orthopaedic Surgery Chief Medical Officer The University of Texas Southwestern Medical Center Texas Scottish Rite Hospital for Children Staff Orthopaedist Professor of Orthopaedic Surgery Children’s Medical Center The University of Texas Southwestern Medical Center Dallas, Texas Dallas, Texas Megan Young, MD Instructor of Pediatric Orthopaedic Surgery George Washington University Children’s National Medical Center Washington, District of Columbia P R E F A C E This edition of Tachdjian’s Pediatric Orthopaedics is the This year we have added something new to ortho third to be written and edited by the staff of Texas Scot paedic texts: a collection of narrated videos of patient tish Rite Hospital for Children. We are committed to the examinations, demonstrating usual and unusual physical concept that this text should be the most comprehensive findings. We hope that these will enhance the reader’s source for pediatric orthopaedic knowledge. We also con ability to recognize various orthopaedic conditions. These tinue to believe that what is written should be based on may also be used to educate office staff, students, and the best available evidence whenever possible. With each coworkers about the pediatric orthopaedic physical edition, all relevant literature is reviewed as the text is examination. During the lifetime of this edition we may updated. Because Level I and Level II evidence are infre add other enhancements as well. After all, it is truly a new quently available, content must also be augmented by era in information technology, and we are putting this expert opinion. Our authors, who are leaders in many technology to its best educational use. fields, base their opinions and recommendations on a I would like to thank everyone who has made this very broad clinical experience in an academic environ edition possible. First, a large thank you goes to our ment. As academic leaders, they regularly present their medical and surgical staff for contributing time and research nationally and internationally, teach at virtually effort in the preparation of the chapters. Our office per all major conferences, and are broadly aware of the sonnel, especially Phyllis Cuesta, Louise Hamilton, and advances in pediatric orthopaedics. Cindy Daniel, have handled all of the organizational work, What is a book, or a newspaper for that matter? As I compiled the bibliographies, and typed text to meet began reading The New York Times on my iPad, I realized many deadlines, and we are very grateful. The people in that this newspaper, which formerly was black and white our administration, especially Robert Walker and J.C. and silent, now is augmented with colorful slides, nar Montgomery, Jr., and our board of directors, led by rated commentary, and extensive links to all sorts of other the honorable Ambassador Lyndon Olson, have under information. The same is true for this textbook. The two stood the importance of this work and supported it print volumes contain the most frequently sought infor wholeheartedly. I would also like to thank our patients mation. Our digital, or online, version contains all three for all they have taught us and for helping us educate volumes and presents comprehensive information in a others about their conditions. Finally, I especially would variety of forms. There are 58 surgical videos, each a live like to thank our families, who have allowed us the time procedure narrated by one of the true surgical experts in to complete the project and have been of great help the field. Many readers of the previous edition have along the way. shared with me that these are of great value to their surgi John Anthony Herring cal care of patients. March 2013 vii