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An Internist’s Illustrated Guide to
An Internist’s Illustrated Guide to
Gastrointestinal
Gastrointestinal
Surgery
Surgery
Edited by
Edited by
George Y. Wu,
George Y. Wu,
Khalid Aziz,
Khalid Aziz,
Giles F. Whalen,
Giles F. Whalen,
Illustrations by
Illustrations by
Lily H. Fiduccia
Lily H. Fiduccia
MD, PhD
MD, PhD
MBBS, MRCP
MBBS, MRCP
MD, FACS
MD, FACS
AN INTERNIST’S ILLUSTRATED GUIDE TO GASTROINTESTINAL SURGERY
CLINICAL GASTROENTEROLOGY
George Y. Wu, MD, PhD, SERIES EDITOR
An Internist's Illustrated Guide to Gastrointestinal Surgery, edited by
George Y. Wu,
Inflammatory Bowel Disease: Diagnosis and Therapeutics, edited by
Russell D. Cohen,
Acute Gastrointestinal Bleeding: Diagnosis and Treatment, edited by Karen
E. Kim, MD, 2003
Diseases of the Gastroesophageal Mucosa: The Acid-Related Disorders,
edited by James W. Freston, MD, PhD, 2001
Chronic Viral Hepatitis: Diagnosis and Therapeutics, edited by Raymond
S. Koff, MD, and George Y. Wu, MD, PhD, 2001
MD, PhD, Khalid Aziz, MBBS, and Giles F. Whalen, MD, 2003
MD, 2003
AN INTERNIST’S ILLUSTRATED GUIDE
TO GASTROINTESTINAL
SURGERY
Edited by
GEORGE Y. WU, MD, PhD
KHALID AZIZ, MBBS, MRCP (UK), MRCP (IRE), FACG
GILES F. W HALEN, MD, FACS
University of Connecticut Health Center, Farmington, CT
Foreword by
TADATAKA YAMADA, MD
GlaxoSmithKline, King of Prussia, PA
With illustrations by
LILY H. FIDUCCIA
HUMANA PRESS
TOTOWA, NEW JERSEY
© 2003 Humana Press Inc. 999 Riverview Drive, Suite 208 Totowa, New Jersey 07512
www.humanapress.com
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording, or otherwise without written permission from the Publisher.
Production Editor: Tracy Catanese. Cover Illustration: From Figs. 1 and 2 in Chapter 1, “Esophagectomy and Reconstruction” by Michael Kent, Jeffrey Port, and Nasser Altorki; Fig. 3 in Chapter 11, “Surgery for Obesity” by Carlos Barba and Manuel Lorenzo; and Fig. 4 in Chapter 25, “Transjuglar Intrahepatic Portosystemic Shunt” by Grant J. Price.
Cover design by Patricia F. Cleary.
For additional copies, pricing for bulk purchases, and/or information about other Humana titles, contact Humana at the above address or at any of the following numbers: Tel: 973-256-1699; Fax: 973-256-8341; E-mail: humana@humanapr.com or visit our website at www.humanapress.com
Due diligence has been taken by the publishers, editors, and authors of this book to assure the accuracy of the information published and to describe generally accepted practices. The contributors herein have carefully checked to ensure that the drug selections and dosages set forth in this text are accurate and in accord with the standards accepted at the time of publication. Notwithstanding, as new research, changes in government regulations, and knowledge from clinical experience relating to drug therapy and drug reactions constantly occurs, the reader is advised to check the product information provided by the manufacturer of each drug for any change in dosages or for additional warnings and contraindications. This is of utmost importance when the recommended drug herein is a new or infrequently used drug. It is the responsibility of the treating physician to determine dosages and treatment strategies for individual patients. Further it is the responsibility of the health care provider to ascertain the Food and Drug Administration status of each drug or device used in their clinical practice. The publisher, editors, and authors are not responsible for errors or omissions or for any consequences from the application of the information presented in this book and make no warranty, express or implied, with respect to the contents in this publication.
This publication is printed on acid-free paper. ∞ ANSI Z39.48-1984 (American National Standards Institute) Permanence of Paper for Printed Library Materials.
Photocopy Authorization Policy:
Authorization to photocopy items for internal or personal use, or the internal or personal use of specific clients, is granted by Humana Press, provided that the base fee of US $20.00 per copy is paid directly to the Copyright Clearance Center at 222 Rosewood Drive, Danvers, MA 01923. For those organizations that have been granted a photocopy license from the CCC, a separate system of payment has been arranged and is acceptable to Humana Press Inc. The fee code for users of the Transactional Reporting Service is: [1-58829-023-9/03 $20.00].
Printed in the United States of America. 10 9 8 7 6 5 4 3 2 1
Library of Congress Cataloging-in-Publication Data
An internist's illustrated guide to gastrointestinal surgery / edited by George Y. Wu ... [et al.].
p. ; cm. -- (Clinical gastroenterology) Includes bibliographical references and index. ISBN 1-58829-023-9 (alk. paper); 1-59259-389-5 (e-book)
1. Gastrointestinal system--Surgery. I. Wu, George Y., 1948- II. Series.
[DNLM: 1. Digestive System Surgical Procedures--methods. WI 900 I598 2003]
RD540 .I586 2003 617'.43--dc21
2002038763
DEDICATION
This book is dedicated to my students, whose questions prompted the writing, my
family, whose patience permitted its creation, to Sigmund and Jenny Walder, who have supported and encouraged us in all of our academic endeavors, and to Herman and Frances Lopata and their family, whose generosity toward our research has made available the time to devote to this book.
G. Y. W.
To the memory of my parents, whose guidance has provided me with inspiration
for all of my accomplishments in life.
K. A.
To my teachers who have inspired me by their example, to my students who teach
me still by their questions and curiosity, to my patients whose lessons I have tried to absorb, and to my family whose patience and tolerance of these endeavors make it all worthwhile.
G. F. W.
v
FOREWORD
Few clinical disciplines have been transformed so dramatically by advancements
in science and technology as gastrointestinal surgery. To begin with, modern phar­macology has virtually eliminated some kinds of surgery altogether. If one were to take a peek at a typical operating room schedule in a busy hospital of the 1960s, gastrectomies of one kind or another would have constituted a large block of the major surgeries. The advent of effective H2-histamine receptor antagonists and, more recently, the H those procedures such that they are rarely performed today. Exciting new approaches to treating inflammatory bowel diseases and their complications—such as fistulas— with anticytokine therapy may one day have a similarly profound effect on surgery for this condition as well.
Beyond pharmaceutics, advances in imaging techniques have greatly facilitated
the identification and characterization of pathology in the gastrointestinal tract in a way that would have been unimaginable only a few years ago. Just to visualize the pancreas in some way was a horrendous task until abdominal ultrasound, magnetic resonance imaging, or computer tomography made it simple. The fact that the gut is a hollow organ that can be accessed through the mouth, anus, or even through the wall of the abdomen has been fully exploited with fiberoptic endoscopes that can bend around corners with ease and permit surgery to be conducted through them. Many physicians have earned their spurs in the operating room by laboriously hang­ing on to a Deaver retractor while a surgeon deftly removes a patient’s gallbladder. Today, of course, laparoscopic surgery has virtually eliminated open cholecystec­tomy and threatens to make other complex surgeries, such as fundoplication or colec­tomy, obsolete. Other advanced technologies, such as transhepatic intravenous porta-systemic shunts, have practically converted dangerous and difficult operations to relieve portal pressure in liver disease to an outpatient procedure.
Despite these amazing advances, today’s surgeon may still be called on to per-
form virtually all of the operations that have been performed for years, some even for centuries. Gastrectomies, cholecystectomies, fundoplications, colectomies, and porta-caval shunts all have to be performed on patients. The surgeon of today must be equally adept at performing traditional abdominal surgery as well as surgery through scopes, percutaneous wires, and the like.
The transformation that surgeons have had to make in the recent past has also
necessitated change in the internist’s practice. To begin with, the internist now has many options to choose from in treating patients with abdominal illnesses. It is important for the internist to understand the advantages and limitations of the differ­ent therapeutic approaches that might be taken. Thorough discussion and collabora­tion of an internist with the surgeon, both being well-informed on the approaches to therapy, will inevitably provide the best outcome for the patient. Beyond initial
+,K+
-ATPase (proton pump) inhibitors led to a precipitous decline in
vii
viii Foreword
therapy, the internist almost certainly sees patients who have undergone various surgical procedures. It goes without saying that internists must be adept at handling the sequelae of surgery, some of which may have profound effects on normal physi­ological function.
An Internist’s Illustrated Guide to Gastrointestinal Surgery by Wu, Aziz, and Whalen
is directed at educating the internist on the common surgical approaches to gastrointes­tinal disorders. It is carefully written in language that would have meaning to an inter­nist. In a logical way, each topic is approached from the standpoints of pathophysiology, diagnostic evaluation, treatment, and sequelae. Each chapter is accompanied by clear and simple diagrams that depict the essentials of the operation performed. The book covers both the “old surgery” of gastrectomies, colectomies, and cholecystectomies, as well as the “new surgery” of shunts, laparoscopic procedures, and TIPS. It is meant not only for the practicing internist but is equally appropriate for all students or other trainees in medicine who are bound to see patients who undergo surgery for gastrointes­tinal illness. An Internist’s Illustrated Guide to Gastrointestinal Surgery should not only provide the reader with an understanding of the science and practice of gas­trointestinal surgery, but also equip the reader with the tools to be a better physician.
Tadataka Yamada,
MD
Adjunct Professor
Department of Internal Medicine
University of Michigan Medical School
Chairman, Research and Development
GlaxoSmithKline
PREFACE
In general, primary care providers, family practitioners, and gastroenterologists
have a limited knowledge of abdominal surgical operations, the medical aspects of these surgical procedures, and their immediate and late complications. In addition, these patients traditionally are not followed up by the surgeons, and thus the internist must become familiar with postsurgical problems in order to provide appropriate long-term care. A clear understanding of the concepts that underlie the surgery is crucial for proper management of these patients.
In addition, within the last 10 years, laparoscopic surgery has become increasingly
commonplace, with new laparoscopic procedures being developed at a rapid pace. There are vast differences between traditional and laparoscopic surgery, not only in the way these procedures are performed, but also in their outcomes and complications. Many internists, as well as surgeons, have very limited understanding of these proce­dures. Therefore, the need exists for a book that can provide useful clinical informa­tion in an easy to access format, covering a variety of abdominal surgical procedures.
Almost all surgical books provide great detail about the technical aspects of surgi-
cal procedures and their surgical complications. However, the physician who needs to manage the patient who has undergone gastrointestinal (GI) surgery, currently must go through surgical texts to find the disease, and then the type of surgery the patient has undergone, wading through pages of details about the surgical procedure, without dealing with the issues relevant to the medical management of the patient. Thus, it is currently difficult for the nonsurgically trained physician to extract the relevant medical information. An Internist’s Illustrated Guide to Gastrointestinal Surgery is a comprehensive textbook describing all of the surgical and laparoscopic procedures for the GI tract in a simple way, with artistic illustrations to educate the physician about surgery of the GI tract, and to provide not only clear descriptions of the changes in the anatomy and physiology, but also advice on medical management of the postsurgical patient.
An Internist’s Illustrated Guide to Gastrointestinal Surgery describes in detail
the indications, contraindications, anatomical alterations, and physiological alter­ations that result from various GI operations and procedures. Comparison between alternative operations, complications, medical management issues, and costs of these surgical procedures and operations are discussed. Clear, detailed, artist-rendered illustrations of the anatomy before and after surgery are included and, where appro­priate, radiological images before and after surgery.
This is a unique textbook, written primarily for primary care physicians, general
internists, and gastroenterologists to educate them about those aspects of GI sur­gery—including laparoscopic surgery—that are pertinent to an internist. It should also be a suitable textbook for medical students, residents, nurses and nurse practi­tioners, nutritionists, dietitians, and various subspecialists, who often take care of postsurgical patients.
ix