HUtcHison’s Paediatrics HUtcHison’s Paediatrics Second Edition Edited by Krishna M Goel MD DCH frCp (Lond, Edin and Glas) Hon frCpCH Formerly Honorary Senior Lecturer of Child Health University of Glasgow and Consultant paediatrician at the royal Hospital for Sick Children Yorkhill, Glasgow, Scotland, UK Devendra K Gupta MS MCh faMS (Hon) fCSS frCS (Edin) frCS (Glas) faMS (rom) DSc (Honoris Causa) Vice Chancellor Chhatrapati Shahuji Maharaj Medical University Lucknow, Uttar pradesh, India Foreword Professor Terence Stephenson JAYPEE BROTHERS MEDICAL PUBLISHERS (P) LTD New Delhi • Panama City • London Jaypee Brothers Medical Publishers (P) Ltd. Headquarter Jaypee Brothers Medical Publishers (P) Ltd 4838/24, Ansari Road, Daryaganj New Delhi 110 002, India Phone: +91-11-43574357 Fax: +91-11-43574314 Email: [email protected] Overseas Offices J.P. Medical Ltd. Jaypee-Highlights medical publishers Inc. 83 Victoria Street, London City of Knowledge, Bld. 237, Clayton SW1H 0HW (UK) Panama City, Panama Phone: +44-2031708910 Phone: + 507-301-0496 Fax: +02-03-0086180 Fax: + 507-301-0499 Email: [email protected] Email: [email protected] Website: www.jaypeebrothers.com Website: www.jaypeedigital.com © 2012, Jaypee Brothers Medical Publishers All rights reserved. No part of this book may be reproduced in any form or by any means without the prior permission of the publisher. Inquiries for bulk sales may be solicited at: [email protected] This book has been published in good faith that the contents provided by the contributors contained herein are original, and is intended for educational purposes only. While every effort is made to ensure accuracy of information, the publisher and the editors specifically disclaim any damage, liability, or loss incurred, directly or indirectly, from the use or application of any of the contents of this work. If not specifically stated, all figures and tables are courtesy of the editors. Where appropriate, the readers should consult with a specialist or contact the manufacturer of the drug or device. Hutchison's Paediatrics First Edition: 2009 Second Edition: 2012 ISBN : 978-93-5025-771-5 Printed at C ontributors Alastair Turner David James Honorary professor of Oral and BSc Med Sci MBchB MRcPcH MBChB Dip Ed DCH DpM frCpsych frCp (Glas) Maxillofacial Surgery—Glasgow Consultant paediatric Intensive Care retired Child psychiatrist formerly University, Consultant Oral and Honorary Senior Clinical Lecturer at Department of Child and family Maxillofacial Surgeon —West of Scotland University of Glasgow psychiatry plastic and Maxillofacial Unit royal Hospital for Sick Children royal Hospital for Sick Children Canniesburn Hospital Glasgow, Scotland, UK Glasgow, Scotland, UK Glasgow Civilian Consultant to the royal Navy Alison M Cairns Devendra K Gupta Scotland, UK MSc BDS MfDS frCS (Edin) M paed Dent (rCpSG) MS MCh faMS (Hon) fCSS frCS (Edin) frCS (Glas) Clinical Lecturer in paediatric Dentistry faMS (rom) DSc (Honoris Causa) Kirsteen J Thompson University of Glasgow Dental Hospital Vice Chancellor MSc frCS (Edin) and School, Glasgow, Scotland, UK Chhatrapati Shahuji Maharaj Medical Consultant Ophthalmologist University Inverclyde royal Hospital Anne Margaret Devenny Lucknow, Uttar pradesh, India Greenock, Scotland, UK MBChB MrCp (UK) frCpCH paediatric respiratory Consultant Elizabeth A Chalmers Krishna M Goel royal Hospital for Sick Children MBChB MD MrCp (UK) frCpath MD DCH frCp (Lond, Edin & Glas) Hon frCpCH Glasgow, Scotland, UK Consultant paediatric Haematologist formerly Honorary Senior Lecturer of royal Hospital for Sick Children Child Health, University of Glasgow and Beena Koshy Glasgow, Scotland, UK Consultant paediatrician MBBS MD (paed) pDfDp royal Hospital for Sick Children assistant professor of Developmental James Wallace Glasgow, Scotland, UK paediatrics, Christian Medical College BSc Mr pharmS frCpCH (Hon) Vellore, Tamil Nadu, India Chief pharmacist Louis Low Yorkhill Hospitals MBChB MrCp (UK) frCp (Lond, Edin & Glas) Benjamin Joseph Glasgow, Scotland, UK frCpCH MS Orth MCh Orth Honorary Clinical professor in paediatrics professor of Orthopaedics and Head of Jean Herbison Department of paediatrics paediatric Orthopaedic Service MBChB MrCp frCpCH DCCH MffLM and adolescent Medicine Kasturba Medical College Consultant paediatrician and Clinical The University of Hong Kong Manipal 576104, Karnataka, India Director for Child protection Services Queen Mary Hospital Greater Glasgow and Clyde Health Board pokfulam, Hong Kong Christina Halsey Child protection Unit BM Bch Ba (Hons) MrCp MrCpath phD royal Hospital for Sick Children Lydia Edward Raj Honorary Consultant paediatric MSOT Glasgow, Scotland, UK Haematologist and Scottish Senior reader (In-charge OT Education) Clinical fellow Judy Ann John Department of physical Medicine Department of paediatric Haematology MD DipNB (pMr) and rehabilitation royal Hospital for Sick Children associate professor Christian Medical College Glasgow, Scotland, UK Department of physical Medicine and Vellore, Tamil Nadu, India rehabilitation Chikkanayakanahali Manjunatha Christian Medical College Margo L Whiteford MD (paed) DCH DNB (paed) MrCp (UK) frCpCH BSc frCp (Glasgow) Vellore, Tamil Nadu, India Consultant Neonatologist Consultant Clinical Geneticist Wishaw General Hospital ferguson-Smith Centre for Clinical Genetics Jugesh Chhatwal 50, Netherton road MD DCH Yorkhill Hospital Wishaw ML2 0Dp professor and Head of paediatrics Glasgow, Scotland, UK Lanarkshire, Scotland, UK Christian Medical College Mary Mealyea Ludhiana, punjab, India Craig Williams MBChB Diploma in Dermatology MD frCp frCpath associate Specialist in paediatric Khursheed F Moos Consultant Microbiologist Dermatology MBBS (Lond) BDS (Lond) frCS (Edin) fDS rCS (Eng royal Hospital for Sick Children royal Hospital for Sick Children and Edin) fDS rCpS (Glasg) frCpS (Glasg) Honorary Glasgow, Scotland, UK fCpS (pakistan) Honorary OBE Glasgow, Scotland, UK Hutchison's Paediatrics vvii Maya Mary Thomas Richard Welbury Sarada David MBBS DCH MD (paeds) DM (Neuro) BDS (Hons) MBBS phD fDSrCS fDSrCpS MS DO associate professor and paediatric frCpCH professor and Head Neurologist, Department of Neurological professor of paediatric Dentistry Department of Ophthalmology Sciences, Christian Medical College University of Glasgow Dental Hospital Christian Medical College Vellore, Tamil Nadu, India and School Vellore, Tamil Nadu, India Glasgow, Scotland, UK Michael Morton Shilpa Sharma Mphil Ma MBChB frCpsych frCpCH Robert Carachi MS MCh DNB phD Consultant Child & adolescent psychiatrist MD phD frCS (Glas & Eng) fEBpS associate professor In-patient & Liaison Child & adolescent professor of Surgical paediatrics paediatric Surgery psychiatry with Neuropsychiatry University of Glasgow 416 administration Block Department of Child & family psychiatry royal Hospital for Sick Children pGIMEr, Dr rML Hospital royal Hospital for Sick Children Glasgow, Scotland, UK Baba Kharg Singh Marg Glasgow, Scotland, UK Connaught place Rosemary Anne Hague New Delhi, India NV Doraiswamy MD MrCp (UK) frCpCH MS frCS (Edin & Glas) fICS fISS ffaEM frCpCH Consultant Surgeon (retd) Consultant paediatric ID/Immunology Syed Rehan Ali Yorkhill NHS Trust MB DCH MrCp frCp royal Hospital for Sick Children royal Hospital for Sick Children assistant professor and Consultant in Glasgow, Scotland, UK Glasgow, Scotland, UK Neonatal Medicine Paul Galea Director of Neonatal Services MD DCH frCp (Glas) frCpCH Rosemary Sabatino Department of paediatrics and Child Health Consultant paediatrician Trainer and Educator aga Khan University Hospital royal Hospital for Sick Children Crisis Care Training International Karachi, pakistan Glasgow, Scotland, UK International Office Peter Galloway pO Box 517, fort Mill Tahmeed Ahmed MBBS phD BSc DCH frCp (Edin & Glas) frCpath South Carolina, USa Head, Nutrition programme Scientist Consultant Medical Biochemist Clinical Sciences Division royal Hospital for Sick Children, Samuel E Ibhanesebhor International Centre for Diarrhoeal Glasgow, Scotland, UK fWaCp fMCpaed frCpCH frCp (Glasg) Consultant Neonatologist Diseases research, B Phyllis Kilbourn Wishaw General Hospital Dhaka, Bangladesh International Director 50, Netherton road Crisis Care Training International Wishaw ML2 0Dp Trevor Richens International Office, PO Box 517 Lanarkshire, Scotland, UK MBBS BSc (Hons) MrCp (Lond) Consultant paediatric Cardiologist fort Mill, South Carolina, USa royal Hospital for Sick Children Sandra J Butler Prabhakar D Moses Glasgow, Scotland, UK BSc (Hons) MBChB MrCpCH frCr MBBS MD (paed) MrCp (UK) frCp (Edin) fCaMS Consultant paediatric radiologist professor and Head of paediatrics Unit 111 Zulfiqar Ahmed Bhutta royal Hospital for Sick Children Christian Medical College Glasgow, Scotland, UK MBBS frCp frCpCH fCpS phD Vellore, Tamil Nadu, India The Husein Lalji Dewraj Rajeev Srivastava Sanjay V Maroo professor and Chairman MBBS MS (Orth) frCS (G) frC path MBChB M-Med frCr Department of pediatrics and Child Health Consultant Medical Biochemist Consultant paediatric radiologist The aga Khan University and royal Hospital for Sick Children royal Hospital for Sick Children Medical Center Glasgow, Scotland, UK Glasgow, Scotland, UK Karachi, pakistan F oreword The world moves at a frightening pace and sometimes I hear a view expressed that textbooks are a thing of the past. We should be able to get all the information we need from the Internet and what is more, it is argued, it is more likely to be up- to-date. I disagree. I think there is still a place for a well written, comprehensive textbook and I use the books on my shelves most days. The reader can have confidence in the contents if they are familiar with the authors and editors and this is an advantage that has to be set against the potential benefits of electronic information. Whilst the Internet is likely to be updated in real time, there is very little peer review or filtering of the information placed on it and the reader can rarely be sure of the provenance of the opinions expressed. I am delighted that Krishna M Goel and Devendra K Gupta have produced the second edition of their marvellous textbook Hutchison’s Paediatrics. This will be of great value to all those who use it, whether students, or those preparing for professional examinations, or simply (like myself) keeping up-to-date or finding the answers to difficult clinical problems in daily practice. James Holmes Hutchison graduated at the University of Glasgow. He served in the Second World War rising to the rank of Lieutenant Colonel and was awarded an Order of the British Empire in 1945. He returned to the Hospital for Sick Children in Glasgow and subsequently became the Samson Gemmel professor in paediatrics. He was president of the royal College of physicians and Surgeons of Glasgow, then became president of the British paediatric association and then served as Dean of the faculty of Medicine in Glasgow. following his time in Glasgow, he was appointed professor of paediatrics at the University of Hong Kong. I hope you enjoy reading Hutchison’s Paediatrics in this new edition as much as I have. Professor Terence Stephenson DM frCp (Lon) frCpCH president royal College of paediatrics and Child Health University of Nottingham Nottingham, UK P s e reFaCe to the eCond dition The patterns of childhood disease throughout the world are changing with advancing knowledge, altering standards of living, lifestyle and rising levels of medical care. The origins of physical and mental health and disease lie predominantly in the early development of the child. Most of the abnormalities affecting the health and behaviour of children are determined prenatally or in the first few years of life by genetic and environmental factors. The authors have summarised the current knowledge of causation and have indicated where health education and prevention might reduce the burden of childhood ill health. The more diverse authorship of chapters in this second edition reflects the growing dependence upon cooperative interests of colleagues in paediatrics. In clinical practice, such collaborative work can only be accomplished within a large hospital or a unit devoted to children. Both editors have been fortunate to work in such an environment and believe that the highest standards of paediatric practice can only be attained in such circumstances. In this, the second edition, we welcome ten new contributors. In this book we seek to provide practical advice about the diagnosis, investigation and management of the full spectrum of childhood disorders, both medical and surgical. We have tried to indicate, and where appropriate to describe, techniques and laboratory investigations which are necessary for advanced diagnosis and up-to-date therapy. attention is directed to the special problems which arise in the developing countries. The need for such a text has been confirmed by the success of the first edition, published in 2009. As is often the case, space limitation demands some selectivity of content. It is intended in a true apprenticeship fashion of teaching to provide a manageable, readable and practical account of clinical paediatrics for medical undergraduates, for postgraduates specialising in paediatrics and for general practitioners whose daily work is concerned with care of children in health and sickness. Knowledge within the field of paediatrics continues to increase exponentially. accordingly, many chapters in this edition were completely revised, updated and extended with an additional four chapters. Many figures illustrating salient concepts summarising clinical findings and treatment results have been added. We are especially grateful to the parents and to the many children and their families who contributed to our knowledge and understanding of paediatrics and willingly gave permission to reproduce photographs of their children. a book such as this cannot be written without reproducing material reported in the medical literature. We acknowledge here, with gratitude, the permission granted free of charge by individual publishers to reproduce material for which they hold the copyright. We particularly wish to thank the Hutchison family for allowing us to use the name of the late professor James Holmes Hutchison, the author of 'practical paediatric problems' to enable us to title this book Hutchison's Paediatrics. Even today, Hutchison's name is highly respected in the paediatric world. finally, we are grateful to the various contributors to this second edition for their cooperation in its production. Krishna M Goel Devendra K Gupta