, Essentials
of
Geriatric Neuroanesthesia
,
, Essentials
of
Geriatric Neuroanesthesia
Edited by
Hemanshu Prabhakar, MD, PhD
Department of Neuroanaesthesiology and Critical Care
All India Institute of Medical Sciences (AIIMS)
New Delhi, India
Coeditors
Charu Mahajan and Indu Kapoor
Department of Neuroanaesthesiology and Critical care
All India Institute of Medical Sciences (AIIMS)
New Delhi, India
,CRC Press
Taylor & Francis Group
6000 Broken Sound Parkway NW, Suite 300
Boca Raton, FL 33487-2742
© 2019 by Taylor & Francis Group, LLC
CRC Press is an imprint of Taylor & Francis Group, an Informa business
No claim to original U.S. Government works
Printed on acid-free paper
International Standard Book Number-13: 978-1-138-48611-9 (Hardback)
This book contains information obtained from authentic and highly regarded sources. While all reasonable efforts have been
made to publish reliable data and information, neither the author[s] nor the publisher can accept any legal responsibility or
liability for any errors or omissions that may be made. The publishers wish to make clear that any views or opinions expressed
in this book by individual editors, authors or contributors are personal to them and do not necessarily reflect the views/
opinions of the publishers. The information or guidance contained in this book is intended for use by medical, scientific or
health-care professionals and is provided strictly as a supplement to the medical or other professional’s own judgement, their
knowledge of the patient’s medical history, relevant manufacturer’s instructions and the appropriate best practice guidelines.
Because of the rapid advances in medical science, any information or advice on dosages, procedures or diagnoses should be
independently verified. The reader is strongly urged to consult the relevant national drug formulary and the drug companies’
and device or material manufacturers’ printed instructions, and their websites, before administering or utilizing any of the
drugs, devices or materials mentioned in this book. This book does not indicate whether a particular treatment is appropriate
or suitable for a particular individual. Ultimately it is the sole responsibility of the medical professional to make his or her
own professional judgements, so as to advise and treat patients appropriately. The authors and publishers have also attempted
to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission
to publish in this form has not been obtained. If any copyright material has not been acknowledged please write and let us
know so we may rectify in any future reprint.
Except as permitted under U.S. Copyright Law, no part of this book may be reprinted, reproduced, transmitted, or utilized in
any form by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying, micro-
filming, and recording, or in any information storage or retrieval system, without written permission from the publishers.
For permission to photocopy or use material electronically from this work, please access www.copyright.com (http://www.
copyright.com/) or contact the Copyright Clearance Center, Inc. (CCC), 222 Rosewood Drive, Danvers, MA 01923, 978-750-
8400. CCC is a not-for-profit organization that provides licenses and registration for a variety of users. For organizations that
have been granted a photocopy license by the CCC, a separate system of payment has been arranged.
Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identifi-
cation and explanation without intent to infringe.
Visit the Taylor & Francis Web site at
http://www.taylorandfrancis.com
and the CRC Press Web site at
http://www.crcpress.com
,To our grandparents
Karam Chand and Indrawati Prabhakar
Vidhya Sagar and Saraswati Agnihotri
Hemanshu Prabhakar
Amar Nath Gupta and Raj Devi
Jia Lal and Sushila Devi
Charu Mahajan
Dorje and Chimey Angmo
Norbu Gonbo and Tashi Angmo
Indu Kapoor
,
,Contents
Foreword ix
Acknowledgment xi
Contributors xiii
1 Neuroanatomy: Age-related changes 1
Vasudha Singhal
2 Neurophysiology: Age-related changes 5
Dinu Chandran, Smriti Badhwar, and Manpreet Kaur
3 Neuropharmacology: Age-related changes 19
Katleen Wyatt Chester, Olivia Johnson Morgan, and Kruti Shah
4 Preanesthetic evaluation 35
Summit Bloria and Ankur Luthra
5 Neurosurgery: Supratentorial tumors 45
Monica S. Tandon, Kashmiri Doley, and Daljit Singh
6 Neurosurgery: Posterior fossa surgery 83
Nidhi Gupta
7 Neurosurgery: Cerebrovascular diseases 105
Paolo Gritti, Luigi Andrea Lanterna, Francesco Ferri, Carlo Brembilla, and
Ferdinando Luca Lorini
8 Neurosurgery: Neuroendocrine lesions 125
Kiran Jangra
9 Neurosurgery: Spine surgery 135
M.V.S. Satya Prakash and M. Senthilnathan
10 Neurosurgery: Minimally invasive neurosurgery 149
Charu Mahajan, Indu Kapoor, and Hemanshu Prabhakar
11 Neurosurgery: Functional neurosurgery 159
Suparna Bharadwaj, Christine Dy-Valdez, and Jason Chui
12 Neuromonitoring 173
Leslie C. Jameson and Claudia F. Clavijo
,viii Contents
13 Positions in neurosurgery 189
Zilvinas Zakarevicius, Mikhail Gelfenbeyn, and Irene Rozet
14 Neurotrauma: Geriatric neurotrauma 205
Alan J. Kovar and Abhijit Lele
15 Neurointensive care: Postoperative management 211
Swagata Tripathy
16 Neurointensive care: Sedation and analgesia in the ICU 223
Marc Alain Babi
17 Neurointensive care: Postoperative cognitive dysfunction 231
Anastasia Borozdina, Ega Qeva, and Federico Bilotta
18 Special considerations: Electroconvulsive therapy 243
Dhritiman Chakrabarti and Deepti Srinivas
19 Special considerations: Alzheimer’s disease 251
Christopher G. Sinon, Sona Shah Arora, Amy D. Rodriguez, and Paul S. García
20 Special considerations: Parkinson’s disease 263
Adriana Martin and Shobana Rajan
21 Fluids and electrolyte management 271
Indu Kapoor and Robert G. Hahn
22 Palliative care in geriatric patients with neurological diseases 279
Seema Mishra and Nishkarsh Gupta
23 Brain death and ethical issues: Death by neurological criteria 289
Brittany Bolduc and David M. Greer
Index 303
, Foreword
Is there a need for a textbook on geriatric neu- mortality than those less than 80 years old, dem-
roanesthesia? A similar question was asked four onstrating the additional risk and the need for
decades ago about the need for a textbook on neu- enhanced perioperative care. Cardiovascular, pul-
roanesthesia. Now in 2019, there are a substantial monary, and metabolic risks increase with age.
number of textbooks on this subject. With complex Added to this, the polypharmacy, drug interac-
neurosurgery being undertaken in elderly patients tions, and altered response to drugs due to organ
these days, there is a definite need for a compre- dysfunction complicate the management of the
hensive textbook on geriatric neuroanesthesia. elderly patient. Cognitive function might be
Life expectancy is increasing all over the world. altered in some elderly patients, and the response
The global average of life expectancy, which was of the patient’s cognitive function to anesthetics is
48 years in 1950, increased to 70 years in 2012. In a matter of great debate.
India, life expectancy as of 2015 is 68.3 years on To address the above issues, Prabhakar et al.
the whole—69.9 years for females and 66.9 years have undertaken a massive effort of compiling a
for males. In Japan, the figure is 83.7 years for the textbook of geriatric neuroanesthesia. They have
whole population—86.8 years for females and 80.5 divided the topics to suit the practical require-
years for males. With increasing life expectancy, ments of the clinicians. In the initial chapters the
more and more elderly patients are likely to pres- age-related changes in neuroanatomy, neurophysi-
ent for surgery and anesthesia. ology, and neuropharmacology as relevant to neu-
There is a general increase in risk of surgery roanesthetic practice are discussed, followed by
with increasing age. This has been shown in hip discussion of the individual lesions and various
and knee arthroplasty. Despite the increased rate general aspects of management of the elderly, such
of adverse events, there are gains in terms of pain as fluid and electrolyte balance, pain management,
relief and ability to perform activities of daily liv- and palliative care. Overall, this book is a practical
ing, and overall most elderly groups were satisfied compendium which will be very helpful to practi-
with their surgeries. Thus there are advantages of tioners of geriatric neuroanesthesia.
surgery, though at a higher risk. A similar argu-
ment can be held with regard to neurosurgery. G.S. Umamaheswara Rao
Minimizing this risk and offering the advan- Senior Professor
tage of surgery is a big challenge. In a review of Department of Neuroanaesthesia and
octogenarians undergoing neurosurgery, only a Neurocritical Care
small proportion of the emergency admissions National Institute of Mental Health and
were discharged directly to home. Octogenarian Neuro Sciences (NIMHANS)
patients had higher complication rates and 30-day Bangalore, India