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Bovine Orthopedics, An Issue of Veterinary Clinics of North America: Food Animal Practice, E-Book

Bovine Orthopedics, An Issue of Veterinary Clinics of North America: Food Animal Practice, E-Book

David E. Anderson

(2014)

Additional Information

Abstract

This issue focuses on the latest treatment options concerning bovine orthopedic conditions. Topics covered include: external fixation devices, orthotics and prosthetics, coxofemoral disease, septic arthritis, splints and casts, stifle disorders, internal fixation, diseases of the tendon, imaging techniques, and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
Bovine Orthopedics\r i
copyright\r ii
Contributors iii
Contents v
Veterinary Clinics Of\rNorth America:\rFood Animal Practice\r ix
Preface xi
Decision Analysis for Fracture Management in Cattle 1
Key points 1
Economics 2
Diagnostics 3
Emergency treatment 4
Principles of fracture management 5
References 9
Diagnostic Imaging in Bovine Orthopedics 11
Key points 11
Introduction 12
Radiography in bovine orthopedics 12
Radiography Equipment and Imaging Systems 12
Radiation Protection 12
Planning a Radiographic Study 13
Special Radiography in Cattle 14
Feet 14
Long bones 15
Joints 19
Diagnostic ultrasonography in bovine orthopedics 23
Preparation of the Patient 23
Method of Ultrasonographic Examination 30
Ultrasonographic standard examination planes in bovine limbs 39
Ultrasonographic Appearance of Musculoskeletal Disorders 43
Arthritis, tenosynovitis, and bursitis 45
Tendinitis and desmitis 46
Muscle disorders 47
Bone lesions 47
Abscess and hematoma 47
Ultrasound-Assisted Needle Aspiration or Biopsy 48
Summary 48
Computed tomography and magnetic resonance imaging in bovine orthopedics 48
References 49
Indications and Limitations of Splints and Casts 55
Key points 55
Use of casts in cattle 55
Selection of the patients 56
General cast technique 57
Fracture reduction evaluation 62
Aftercare 62
Complications 63
Prognosis 65
Full limb cast and short limb cast 67
Reinforced cast—walking cast 67
Transfixation pinning and casting technique 68
Complications 71
Prognosis 72
Casting an open fracture? 72
Use of modified Thomas splint 74
Summary 74
Supplementary data 75
References 75
Use of the Thomas Splint and Cast Combination, Walker Splint, and Spica Bandage with an Over the Shoulder Splint for the Tr ... 77
Key points 77
Introduction 77
Assessment of the patient and fracture 78
Thomas splint-cast combination 80
Application of the Thomas Splint-Cast Combination 80
Methods of TSCC application 80
Management of Cattle Wearing Modified Thomas Splint-Cast Combinations 81
Removal of Thomas Splint-Cast Combinations 82
Complications and Prognosis 84
Walker splints 84
Construction and Application of the Walker Splint 85
Spica bandages and splints 87
Summary 90
References 90
Plates, Pins, and Interlocking Nails 91
Key points 91
Introduction 91
Prevalence 91
Literature 92
Methods 92
Guidelines for selection of patients for internal fixation 101
Mature Cattle 101
Calves 103
General considerations of internal fixation 103
Anesthesia and Surgery Time 103
Methods for Simplifying Fracture Reduction 104
Aims of Internal Fixation 105
Postoperative Phase 105
Implants and techniques 105
Plates and Screws 106
Pins and Intramedullary Nails 108
Fractures of specific long bones 109
Fractures of the Humerus 109
Fractures of the Radius and Ulna 111
Fractures of the Large Metacarpal and Metatarsal Bones 111
Fractures of the Femur 113
Fractures of the Tibia 118
Summary 121
References 122
External Skeletal Fixation of Fractures in Cattle 127
Key points 127
Advantages 128
Disadvantages 128
Types of ESF 128
Transfixation Pinning and Casting (TPC) 128
Surgical Techniques for ESF in Food Animals 130
Juvenile Cattle (<150 kg) 132
Weaned and Adult Cattle (﹥150 kg) 134
Complications 134
Traditional Sidebars and Clamps 136
Type II ESF 136
Acrylic Polymer Sidebars 136
Circular Fixators for ESF 137
Pin-Sleeve-Cast 137
Management of open fractures 138
References 140
Limb Amputation and Prosthesis 143
Key points 143
Reason for limb amputation 144
Decision making for limb amputation 144
Amputation site 147
Surgical technique 147
Postoperative treatment 149
Prosthesis 150
Prognosis 152
Summary 153
References 153
Diseases of the Tendons and Tendon Sheaths 157
Key points 157
Congenital tendon disorders 158
Hyperextension Deformities 158
Flexural Deformities 159
Arthrogryposis 161
Spastic Paresis 162
Acquired tendon disorders 163
Tendon Laceration 164
Tendon Avulsion 164
Tendon Rupture 165
Treatment of Tendon Disruption 166
Septic Tendinitis 168
Tenosynovitis (Tenovaginitis) 168
Septic Tenosynovitis 169
References 173
Clinical Management of Septic Arthritis in Cattle 177
Key points 177
Pathophysiology 178
Pathogen 178
Clinical presentation 179
Differential diagnosis 181
Diagnostic 182
Arthrocentesis 182
Bacteriologic Culture 183
Cytologic Examination 183
Other Markers 183
Radiographic Images 186
Ultrasound Images 186
Treatment 188
Antimicrobial Therapy 188
Selection of the antimicrobial 188
Administration route 189
Duration of treatment 190
Anti-inflammatory Drugs 190
Joint Lavage 191
Techniques 191
Tidal irrigation 192
Through-and-through lavage 193
Arthrotomy 193
Arthrodesis 194
Prognosis 195
References 197
Noninfectious Joint Disease in Cattle 205
Key points 205
Introduction 205
Osteochondrosis 205
Causes and Pathophysiology 206
Risk Factors 206
Clinical Presentation 208
Diagnostic Technique 208
Arthrocentesis 208
Radiography 208
Ultrasonography 208
Computed tomography and magnetic resonance imaging 210
Distribution of Lesions in Cattle 210
Treatment 210
Conservative treatment 210
Surgical treatment 210
Debridement 212
Chondroplasty 212
Forage or microfracture 212
Cartilage reattachment 213
Postoperative Treatment 213
Prognosis 213
Joint trauma 214
Joint Luxation 214
Cuboidal Bone Fracture 214
Avulsion Fracture 214
Rupture of Collateral or Intra-articular Ligament 215
DJD 217
Clinical Presentation 217
Diagnostic Technique 217
Regional anesthesia 217
Arthrocentesis 217
Radiography 218
CT 218
Treatment 218
Conservative treatment 218
Surgical treatment 219
Prognosis 219
Degenerative Disease in Other Joints 219
Osteoarthritis 220
Summary 220
Acknowledgments 220
References 220
Arthroscopy in Cattle 225
Key points 225
Introduction 225
Arthroscopy versus arthrotomy 225
Equipment and surgery suite 226
Arthroscope 226
Cannula with Adapted Sharp and Blunt Trocars 227
Light Source 227
Video Camera 227
Video Capture Unit 227
Fluid Pump 227
Hand Instruments 227
Surgery Suite 228
Surgical Draping 228
Anesthesia 228
Stifle (femoropatellar, medial, and lateral femorotibial joints) 228
Indications 228
Anatomy Review 229
Surgical Procedure (Dorsal Recumbency with Joint Distension) 229
Femoropatellar joint 229
Portal location 229
Traumatic Conditions of the Coxofemoral Joint 247
Key points 247
Introduction 247
Physical Examination and Diagnostic Procedures Specific to the Hip 248
Coxofemoral luxation 250
Diagnosis 251
Treatment 255
Fracture of the femoral head 259
Diagnosis 259
Treatment 260
Fracture of the femoral neck, the acetabulum, and the greater trochanter 261
Summary 263
References 263
Stifle Disorders 265
Key points 265
Introduction 265
Relevant anatomy 265
CrCL rupture 266
Diagnostic Procedures 267
Treatment 269
Prognosis 275
Meniscus 276
Diagnosis 276
Treatment 276
Prognosis 277
Upward fixation of the patella 277
Clinical Signs 277
Pathophysiology/Causes 277
Treatment 278
References 279
Index 283