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Geriatric Medicine, An Issue of Veterinary Clinics of North America: Equine Practice, E-Book

Geriatric Medicine, An Issue of Veterinary Clinics of North America: Equine Practice, E-Book

Catherine M. McGowan

(2016)

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Book Details

Abstract

This issue of Veterinary Clinics of North America: Equine Practice focuses on Geriatric Emergencies. Article topics include: Demographics of aged horses, management, preventive care and disease; Dental disease in aged horses and its management; Musculoskeletal disease in aged horses and its management; Ophthalmological disorders in aged horses; Integumentary disorders including cutaneous neoplasia in the older horse; Cardiac and respiratory disease in aged horses; Endocrine disease in aged horses and its management; Exercise and rehabilitation of the older horse; and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
Geriatric Medicine\r i
Copyright\r ii
Contributors iii
CONSULTING EDITOR iii
EDITOR iii
AUTHORS iii
Contents v
Preface: Geriatric Medicine: Aged Horse Health, Management, and Welfare\r v
Demographics, Management, Preventive Health Care and Disease in Aged Horses\r v
Dental Disease in Aged Horses and Its Management\r v
Musculoskeletal Disease in Aged Horses and Its Management\r v
Ophthalmologic Disorders in Aged Horses\r v
Integumentary Disorders Including Cutaneous Neoplasia in Older Horses\r vi
Cardiac and Respiratory Disease in Aged Horses\r vi
Endocrine Disease in Aged Horses\r vi
Exercise and Rehabilitation of Older Horses\r vii
Immune Dysfunction in Aged Horses\r vii
Nutritional Management of the Older Horse\r vii
Welfare, Quality of Life, and Euthanasia of Aged Horses\r vii
VETERINARY CLINICS OF\rNORTH AMERICA: EQUINE PRACTICE\r ix
FORTHCOMING ISSUES ix
December 2016 ix
April 2017 ix
August 2017 ix
RECENT ISSUES ix
April 2016 ix
December 2015 ix
August 2015 ix
Preface: Geriatric Medicine: Aged Horse Health, Management, and Welfare\r xi
Demographics, Management, Preventive Health Care and Disease in Aged Horses 195
Key points 195
IMPORTANCE OF EQUINE GERIATRIC MEDICINE 195
DEFINING THE GERIATRIC HORSE 196
DEMOGRAPHICS OF THE EQUINE GERIATRIC POPULATION 196
MANAGEMENT OF THE GERIATRIC HORSE 197
Stable Management and Housing 197
Feeding and Nutrition 197
Exercise 198
PREVENTIVE HEALTH CARE FOR THE AGED HORSE 198
Vaccination 198
Dental Prophylaxis 199
Anthelmintic Administration 199
Farrier Care 199
SIGNS OF AGING 200
DISEASES OF AGED HORSES 200
Musculoskeletal Disorders and Lameness 200
Laminitis 206
Dental Disease 206
Colic 206
Respiratory Disease 207
Cardiovascular Disease 207
Pituitary Pars Intermedia Dysfunction 208
Ocular Disorders 208
Neoplasia 208
SUMMARY 209
REFERENCES 209
Dental Disease in Aged Horses and Its Management 215
Key points 215
INTRODUCTION 215
ANATOMIC CHANGES WITH AGING 216
EXAMINATION OF THE GERIATRIC PATIENT 217
COMMON DENTAL DISORDERS OF AGED EQUIDS 218
Disorders of the Incisor Teeth 218
Disorders of the Canine Teeth 220
Disorders of the Cheek Teeth 221
Extraoral Pathology 221
Management 223
SUMMARY 225
REFERENCES 225
Musculoskeletal Disease in Aged Horses and Its Management 229
Key points 229
INTRODUCTION 229
CHRONIC JOINT DISEASE OR OSTEOARTHRITIS IN THE GERIATRIC HORSE 230
Definition, Pathogenesis, and Clinical Signs 230
Pain in Osteoarthritis 231
Joint pain 232
Nociception in the joint 232
Sources of joint pain in osteoarthritis 233
Management of Chronic Joint Disease in the Geriatric Horse 233
Local treatment of osteoarthritis in the elderly horse 234
Systemic treatment of osteoarthritis in the elderly horse 235
New developments in pain control of chronic joint disease 237
Nutraceuticals 238
Surgical Treatment 239
Supportive Treatments 239
CHRONIC LAMINITIS AND HOOF CARE OF THE GERIATRIC HORSE 240
Pathogenic Mechanisms 240
Treatment Considerations 240
SUMMARY 243
REFERENCES 243
Ophthalmologic Disorders in Aged Horses 249
Key points 249
INTRODUCTION 249
CORNEAL DISEASE 250
UVEITIS 252
GLAUCOMA 252
THE LENS 254
THE VITREOUS 255
THE RETINA 255
NEOPLASIA 256
DISTURBANCES OF VISION 258
SUMMARY 258
REFERENCES 258
Integumentary Disorders Including Cutaneous Neoplasia in Older Horses 263
Key points 263
INTRODUCTION 263
PRIMARY CONGENITAL/HEREDITARY DISEASE OF OLDER HORSES 267
Fading Appaloosa Syndrome 267
Cardiac and Respiratory Disease in Aged Horses 283
Key points 283
AGE AS A RISK FACTOR FOR CARDIAC AND RESPIRATORY DISEASE IN HORSES 283
SPECIFIC CONDITIONS 284
Recurrent Airway Obstruction 284
Bronchiectasis 285
Hypoxia and Right Heart Dysfunction 286
Pneumonia in the Older Horse 286
Aortic Valvular Regurgitation 287
Mitral Regurgitation 291
Aortocardiac Fistula 293
Thoracic Neoplasia 294
SPECIFIC CONSIDERATIONS FOR THERAPY FOR GERIATRIC PATIENT WITH CARDIAC AND/OR RESPIRATORY DISEASE 295
Congestive Heart Failure 295
Comorbidity in the Geriatric Patient 297
SUPPLEMENTARY DATA 297
REFERENCES 297
Endocrine Disease in Aged Horses 301
Key points 301
INTRODUCTION 301
PITUITARY PARS INTERMEDIA DYSFUNCTION 301
Definition and Pathophysiology 301
Diagnosis of Pituitary Pars Intermedia Dysfunction 302
Management of Pituitary Pars Intermedia Dysfunction 303
EQUINE METABOLIC SYNDROME 304
Definition and Pathophysiology 304
Diagnosis of Equine Metabolic Syndrome 305
Hyperinsulinemia tests 305
Testing insulin resistance 306
Measuring risk factors for insulin resistance 306
Management of Equine Metabolic Syndrome 307
OTHER ENDOCRINOPATHIES 307
Diseases Affecting Glucose Homeostasis 307
Diabetes mellitus 307
Neoplasia-associated hypoglycemia 308
Thyroid Disorders 308
Hypothyroidism 308
Hyperthyroidism 309
Hyperparathyroidism 309
Adrenal Disorders 309
Adrenal cortex 309
Adrenal medulla 309
REFERENCES 310
Exercise and Rehabilitation of Older Horses 317
Key points 317
INTRODUCTION 317
AGE-RELATED CHANGES IN AEROBIC CAPACITY AND CARDIOVASCULAR FUNCTION 318
AGE-RELATED CHANGES IN THERMOREGULATION AND FLUID AND ELECTROLYTE BALANCE 321
AGING-INDUCED CHANGES IN RESPIRATORY FUNCTION THAT MAY AFFECT EXERCISE 322
EFFECTS OF AGE ON BODY COMPOSITION AND MUSCLE FIBER TYPE 322
AGING-RELATED ALTERATIONS IN THE ENDOCRINE RESPONSE TO EXERCISE 323
Cardiovascular and Renal Hormones 324
Growth Hormone 324
Endorphin and Cortisol: the Stress Hormones 325
Metabolic Hormones and the Control of Glucose Homeostasis 325
ALTERATIONS IN THE IMMUNE RESPONSE TO EXERCISE 326
RENAL, GASTROINTESTINAL, AND OTHER SYSTEMS 327
SUMMARY 327
REFERENCES 328
Immune Dysfunction in Aged Horses 333
Key points 333
IMMUNOSENESCENCE 333
AGE-ASSOCIATED CHANGES IN IMMUNE FUNCTION 334
Cell Populations 334
Cytokine and Acute-Phase Protein Profiles in the Aged Horse 334
Immune Responsiveness 335
Lymphocyte Function 335
Neutrophil Function 335
CLINICAL CONSEQUENCES OF IMMUNOSENESCENCE IN HORSES 336
Risk of Infectious Disease 336
Vaccine Responsiveness 336
Chronic Inflammatory Diseases 337
SPECIAL CONSIDERATIONS FOR STUDIES IN IMMUNOLOGY OF AGING 337
SUMMARY 337
REFERENCES 338
Nutritional Management of the Older Horse 343
Key points 343
INTRODUCTION 343
AGE-RELATED CHANGES THAT IMPACT ON FEEDING AND DIGESTIVE FUNCTION 344
Body Composition and Aging 344
Food Intake 345
The Gastrointestinal Microbiome and Nutrient Digestibility 346
Pituitary Pars Intermedia Dysfunction 346
DEFINING THE ELDERLY HORSE 347
MONITORING THE ELDERLY HORSE 347
NUTRITIONAL MANAGEMENT OF OLDER HORSES 348
The Normal Elderly Horse that Is Losing Condition 348
The Normal Obese Elderly Horse 348
Weight loss at pasture 348
Weight loss for the stabled horse 349
THE GERIATRIC HORSE 350
THE HORSE WITH PITUITARY PARS INTERMEDIA DYSFUNCTION 351
SUMMARY 351
REFERENCES 351
Welfare, Quality of Life, and Euthanasia of Aged Horses 355
Key points 355
INTRODUCTION 355
THE ROLE OF AGED HORSES AND THE HUMAN–HORSE BOND 356
OWNER RESPONSIBILITIES AND AWARENESS OF EQUINE WELFARE 357
QUALITY OF LIFE 357
Assessing Quality of Life 358
The Role of the Owner in Quality of Life Assessment 359
Factors Affecting Quality of Life in Geriatric Horses 360
CAUSES OF MORTALITY AND EUTHANASIA IN GERIATRIC HORSES 360
EXPERIENCES OF MORTALITY AND EUTHANASIA IN GERIATRIC HORSES 362
SUMMARY 363
REFERENCES 363
Index 369