Neurologia e Neurocirurgia

A Practical Guide to Seizure Disorders in Dogs and Cats

De: Luisa De Risio, Karen Muñana
ISBN: 9781957260129
2022, Edra
Capa mole
Páginas: 368

  • Seizure disorders are commonly encountered in small animal practice. The goal of this book is to provide a comprehensive, evidence-based resource to assist in the successful management of recurrent seizures in dogs and cats. Practical information on every aspect of seizure management is presented and is supported with a review of the available literature. The book’s format is designed to provide a logical, clinically relevant approach to the seizure patient, with in-depth information on the broad range of topics involved in the diagnosis and treatment of seizure disorders in dogs and cats. The first five chapters describe the clinical and diagnostic approach to the seizure patient, and include thorough descriptions of seizure classification with video case examples, canine idiopathic epilepsy, the genetics of epilepsy, feline epilepsy and quality of life. There are separate chapters devoted to advanced imaging and electroencephalography, both of which contain numerous images to complement the discussion of the material. The remaining chapters focus on epilepsy treatment and include a review of general treatment guidelines and pharmacological principles, as well as a comprehensive review of antiseizure drugs, adjunctive therapies for drug-resistant epilepsy, and the management of cluster seizures and status epilepticus in dogs and cats. The 19 book chapters are authored by veterinary specialists from around the globe. Algorithms are included throughout the book, and each chapter contains a summary of key points, providing easy access to information to support clinical decision making and patient care. Our aim was to create a comprehensive reference that would be of value to primary care veterinarians, veterinary students, interns, residents, and veterinary specialists alike.

  • Table of contents:

    01 The Clinical and Diagnostic Approach to the Seizure Patient....... 1

    Luisa De Risio, Karen R. Muñana

    Terminology........................................................................... 1

    Phases associated with a seizure................................... 4

    Disorders that can mimic seizures and discriminators ............................................................... 5

    Systematic diagnostic approach to the patient with seizure disorders.................................................... 8

    02 Canine Idiopathic Epilepsy.................... 33

    Andrea Fischer

    Types of epileptic seizures................................................ 34

    Diagnostic approach .......................................................... 38

    Breed-related differences ................................................. 39

    and lifespan in canine idiopathic epilepsy .................................................................................. 63

    03 Quality of Life Issues in Canine Epilepsy................................................................. 77

    Rowena MA Packer

    What is quality of life?........................................................ 77

    Impact of epilepsy on canine QoL.................................. 78

    Impact of epilepsy on caregiver quality of life.............. 85

    04 Genetics of Epilepsy in Dogs and Cats................................................................ 93

    Edward (Ned) E. Patterson

    Genetic or suspected genetic idiopathic epilepsy in dogs................................................................ 93

    Structural epilepsies in dogs ............................................ 96

    L-2-Hydroxyglutaric aciduria.............................................. 97

    Genetic counseling for breeding dogs with epilepsy ...................................................................... 100

    Feline epilepsy genetics .................................................... 100

    05 Feline Epilepsy................................................ 103

    Akos Pakozdy, Borbala A. Lörincz

    Prevalence of seizure disorders in cats......................... 103

    Terminology........................................................................... 103

    Diagnostic approach to seizure disorders in cats....... 104

    Antiseizure treatment of feline epilepsy......................... 110

    Outcome of feline epilepsy................................................ 112

    06 Advanced Diagnostic Imaging in Epilepsy........................................................... 117

    Daisuke Hasegawa

    Conventional MRI................................................................ 118

    Structural MRI for diagnosis of epilepsy........................ 129

    Advanced and functional imaging................................... 133

    Imaging findings of structural epilepsies ....................... 140

    Degenerative diseases....................................................... 140

    07 Electroencephalography.......................... 155

    Fiona M.K. James

    How does EEG work? ....................................................... 156

    How to record EEG? .......................................................... 158

    How to interpret EEG?....................................................... 164

    How to report EEG?........................................................... 175

    Where to learn more on EEG?........................................ 176

    08 Fundamental Principles of Pharmacokinetics for Antiseizure Medications............................... 185

    Mark G. Papich

    Important definitions............................................................ 185

    Principles of drug disposition in animals....................... 185

    Drug elimination (elimination half-life, t½)....................... 188

    Drug distribution (volume of distribution)....................... 190

    Drug clearance..................................................................... 192

    Drug absorption................................................................... 194

    09 Principles of Antiseizure Drug Use... 201

    Karen R. Muñana, Luisa De Risio

    Initiating therapy................................................................... 201

    Choosing an appropriate antiseizure drug.................... 204

    Devising a rational treatment plan .................................. 207

    Drug resistance.................................................................... 213

    Epilepsy remission ............................................................. 214

    10 Phenobarbital.................................................... 219

    Fabio Stabile, Luisa De Risio

    Mechanism of action ......................................................... 219

    Pharmacokinetics ............................................................... 219

    Efficacy .................................................................................. 221

    Clinical use ........................................................................... 223

    Adverse effects and drug interactions............................ 229

    11 Potassium Bromide...................................... 239

    Michael Podell

    Mechanism of action ......................................................... 239

    Pharmacokinetics................................................................ 239

    Efficacy................................................................................... 240

    Clinical use............................................................................ 241

    Adverse effects and drug interactions............................ 243

    12 Levetiracetam................................................... 247

    Karen R. Muñana

    Mechanism of action .......................................................... 247

    Pharmacokinetics................................................................ 248

    Efficacy................................................................................... 249

    Clinical use ........................................................................... 252

    13 Imepitoin................................................................ 257

    Andrea Tipold

    Mechanism of action .......................................................... 257

    Pharmacokinetics................................................................ 258

    Efficacy................................................................................... 258

    Clinical use ........................................................................... 261

    Adverse effects and drug interactions............................ 262

    14 Zonisamide......................................................... 267

    Daisuke Hasegawa, Miyoko Saito

    Mechanism of action .......................................................... 267

    Pharmacokinetics................................................................ 268

    Clinical use ........................................................................... 271

    Adverse effects and drug interactions ........................... 273

    15 Other Antiseizure Drugs .......................... 279

    Kari Foss, Devon Hague

    Clorazepate and Clonazepam ......................................... 281

    Felbamate.............................................................................. 282

    Gabapentin .......................................................................... 283

    Topiramate............................................................................. 284

    Pregabalin.............................................................................. 286

    Rufinamide ............................................................................ 287

    Lacosamide........................................................................... 287

    Brivaracetam......................................................................... 288

    16 Cannabidiol in Canine Epilepsy......... 291

    Stephanie McGrath

    Mechanism of Action ......................................................... 291

    Pharmacokinetics................................................................ 293

    Efficacy .................................................................................. 295

    Clinical use............................................................................ 296

    Adverse effects and drug interactions............................ 296

    17 Dietary Management of Canine Epilepsy ............................................................... 301

    Elliott S. Neal, Weizhi Xu, Karin Borges

    Pathophysiology and mechanism of action.................. 301

    “Pharmacology and pharmacokinetics” of ketogenic diets and medium chain triglycerides............. 305

    Efficacy................................................................................... 306

    Manipulations of macronutrients – practical considerations for the treatment of dogs with epilepsy.. 309

    18 Neurostimulation for Canine Epilepsy................................................................. 313

    Sofie F.M. Bhatti Contributors: Marios Charalambous, Luc Van Ham

    Vagus nerve stimulation .................................................... 314

    Transcranial magnetic stimulation .................................. 318

    Conclusions........................................................................... 321

    19 Management of Status Epilepticus and Cluster Seizures in Dogs and Cats.................................... 325

    Marios Charalambous Contributor: Sofie F.M. Bhatti

    Status epilepticus ................................................................ 325

    Cluster seizures ................................................................... 340

  • Luisa De Risio

    DVM (Hons), PhD, PGCert Vet Ed, FHEA, Dipl. ECVN, FRCVS, RCVS and EBVS® European Specialist in Veterinary Neurology

    Luisa De Risio is a Diplomate of the European College of Veterinary Neurology (ECVN), Fellow of the Royal College of Veterinary Surgeons (RCVS), RCVS and EBVS European Specialist in Veterinary Neurology and ECVN Secretary. She is one of the founding members of the International Veterinary Epilepsy Task Force (IVETF), the Chair of the IVETF diagnosis working group and co-chair of the IVETF treatment working group. Luisa has coauthored a textbook on canine and feline epilepsy, contributed chapters to other veterinary books, published widely in peer-reviewed journals and lectured at numerous continuing education and scientific meetings. She has worked at the Animal Health Trust (2005–2019) as Head of Neurology/Neurosurgery and Head of Clinical Research and joined Linnaeus Veterinary limited, UK, in 2020 as Clinical Research & Excellence Director. Luisa has been awarded the Postgraduate Certificate in Veterinary Education by the Royal Veterinary College, she is a Fellow of the Higher Education Academy (FHEA) and Honorary Professor in Veterinary Neurology at Nottingham Trent University.

    Karen R. Muñana

    DVM, MS, Dipl. ACVIM (Neurology)

    Karen Muñana is a practicing board-certified veterinary neurologist. She is Professor of Neurology and Neurosurgery at North Carolina State University College of Veterinary Medicine, USA. She received her Bachelor of Science degree from the University of California at Berkeley and her Doctor of Veterinary Medicine from the University of California at Davis. She completed a neurology and neurosurgery residency training program and Master of Science degree at Colorado State University. Her research focuses on canine epilepsy and commonly involves clinical trials in which a new treatment or diagnostic tool is evaluated in epileptic pets. She is a member of the International Veterinary Epilepsy Task Force (IVETF) and has served on two American College of Veterinary Internal Medicine consensus panels on seizure management. She has published chapters and articles in numerous textbooks and peer-reviewed scientific journals and has been an invited speaker at national and international veterinary meetings.

    Contributors:

    Sofie F.M. Bhatti

    DVM, PhD

    Head of Clinical Neurology, Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Belgium.

    Karin Borges

    PhD

    Associate Professor, School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St. Lucia, Australia.

    Marios Charalambous

    DVM, PhD, Dipl. ACVIM (Neurology), Dipl. ECVN, FHEA, MRCVS

    Clinical and Research Associate, Clinic for Small Animals, Department of Neurology, University of Veterinary Medicine Hannover, Germany

    Andrea Fischer

    Dr. med. vet., Dipl. ECVN, Dipl. ACVIM (Neurology), EBVS® European Specialist of Veterinary Neurology

    Professor of Veterinary Neurology and Head of the Neurology Service, Small Animal Medicine Clinic, Centre for Clinical Veterinary Medicine, LMU University of Munich, Germany.

    Kari Foss

    DVM, MS, Dipl. ACVIM (Neurology)

    Assistant Professor, Neurology & Neurosurgery, Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, USA.

    Devon Hague

    DVM, Dipl. ACVIM (Neurology)

    Clinical Associate Professor, Neurology & Neurosurgery, Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, USA.

    Daisuke Hasegawa

    DVM, PhD, DAiCVIM (Neurology)

    Professor, Veterinary Clinical Neurology and Veterinary Radiology, Nippon Veterinary and Life Science University, Tokyo, Japan.

    Fiona M.K. James

    DVM, MSc, DVSc., ACVIM (Neurology)

    Associate Professor, Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Canada.

    Borbala A. Lörincz

    Dr. med. vet., PhD

    University of Veterinary Medicine, Vienna, Austria.

    Stephanie McGrath

    DVM, MS, Dipl. ACVIM (Neurology)

    Associate Professor, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, USA.

    Elliott S. Neal

    BAdvSc (Hons), Research Assistant

    School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St. Lucia, Australia.

    Rowena M.A. Packer

    BSc (Hons), PhD, PGCert (VetEd), FHEA

    Lecturer in Companion Animal Behaviour and Welfare Science and BBSRC Research Fellow, Royal Veterinary College, UK.

    Akos Pakozdy

    Dr. med. vet., PhD, Dipl. ECVN, EBVS® European Specialist in Veterinary Neurology

    University of Veterinary Medicine, Vienna, Austria.

    Mark G. Papich

    DVM, MS, Dipl. ACVCP

    Professor of Clinical Pharmacology, College of Veterinary Medicine, North Carolina State University, USA.

    Edward (Ned) E. Patterson

    DVM, PhD, Dipl. ACVIM (SAIM)Professor of Medicine and Genetics, University of Minnesota College of Veterinary Medicine, St. Paul, USA.

    Michael Podell

    MSc, DVM, Dipl. ACVIM (Neurology)

    Chief Medical Officer, MedVet, Columbus, USA.

    Miyoko Saito

    DVM, PhD, DAiCVIM (Neurology)

    Associate Professor, Head of Neurology Service, Lab. Small Animal Surgery (Neurology), Azabu University, Kanagawa, Japan.

    Fabio Stabile

    DVM, MRCVS, PhD, Dipl. ECVN, RCVS, EBVS® European Specialist in Veterinary Neurology

    Senior Consultant in Neurology and Neurosurgery, Southfields Veterinary Specialists, Linnaeus Veterinary Ltd, UK.

    Andrea Tipold

    Dr med. vet., Dipl. ECVN, EBVS® European Specialist in Veterinary Neurology

    Professor of Veterinary Neurology, Dept. of Small Animal Medicine and Surgery, University of Veterinary Medicine, Hannover, Germany.

    Luc Van Ham

    DVM, PhD, Dipl. ECVN

    Professor of Veterinary Neurology and Neurosurgery, Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Belgium.

    Weizhi Xu

    MSc, PhD student

    School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St. Lucia, Australia.

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