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Soft Tissue Surgery, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Soft Tissue Surgery, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Kurt K. Sladky | Christoph Mans

(2016)

Abstract

This issue of Veterinary Clinics of North America: Exotic Animal Practice focuses on Soft Tissue Surgery. Articles include: Update on Surgical Principles and Equipment, Updates on Principles of Perioperative Care, Updates on Principles of Wound management, Enucleation techniques in exotic pets, Reptile Soft Tissue Surgery, Fish surgical procedures, Rabbit Soft Tissue Surgery, and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
Soft Tissue Surgery \r i
Copyright\r ii
Contributors iii
CONSULTING EDITOR iii
EDITORS iii
AUTHORS iii
Contents vii
Preface: Soft Tissue Surgery\r vii
Updates in Perioperative Care: Ideas from the Human Field \r vii
Update on Surgical Principles and Equipment\r vii
Principles of Wound Management and Wound Healing in Exotic Pets\r vii
Fish Surgery: Presurgical Preparation and Common Surgical Procedures\r vii
Surgery in Amphibians\r viii
Reptile Soft Tissue Surgery\r viii
Avian Soft Tissue Surgery\r viii
Rabbit Soft Tissue Surgery\r ix
Surgical Management of Ear Diseases in Rabbits\r ix
Small Mammals: Common Surgical Procedures of Rodents, Ferrets, Hedgehogs, and Sugar Gliders\r ix
Eye Removal Surgeries in Exotic Pets\r ix
Exotic Mammal Laparoscopy \r x
VETERINARY CLINICS OF\rNORTH AMERICA: EXOTIC\rANIMAL PRACTICE\r xi
FORTHCOMING ISSUES xi
May 2016 xi
September 2016 xi
January 2017 xi
RECENT ISSUES xi
September 2015 xi
May 2015 xi
January 2015 xi
Preface: Soft Tissue Surgery \r xiii
Updates in Perioperative Care 1
Key points 1
INTRODUCTION 1
DEFINITION OF PERIOPERATIVE PERIOD AND CARE 2
Patient Preparation 2
Patient hospitalization 2
The Principles of Care During Anesthesia 4
Anesthetic monitoring 6
Risk management 8
Immediate Postoperative Care 8
Managing a Patient’s Pain 10
SUMMARY 11
REFERENCES 11
Update on Surgical Principles and Equipment 13
Key points 13
INTRODUCTION 13
PATIENT PREPARATION 13
ANTISEPTICS 14
Alcohols 14
Iodophors 14
Chlorhexidine 14
Comparison of Antiseptic Agents 15
SURGICAL DRAPES 16
SURGICAL INSTRUMENTATION 17
MAGNIFICATION 19
FOCAL LIGHT SOURCE 21
HEMOSTASIS 21
Electrosurgery 21
Laser 22
Electrothermal Bipolar Vessel Sealing Devices 24
Ultrasonic Energy: The Harmonic System 24
Stapling Devices 24
Hemostatic Clips 26
Hemostatic Agents 26
Mechanical agents 27
Active agents 28
Hemostatic sealants 28
Suture materials 28
SUMMARY 30
REFERENCES 30
Principles of Wound Management and Wound Healing in Exotic Pets 33
Key points 33
INTRODUCTION 33
PHASES OF WOUND HEALING 34
Hemostasis (Coagulation) Phase 34
Inflammatory and Debridement Phase 34
Proliferative (Repair) Phase 35
Maturation (Remodeling) Phase 36
FACTORS AFFECTING WOUND HEALING 36
WOUND CLASSIFICATION 37
INITIAL WOUND CARE AND MANAGEMENT 38
Decontamination (Lavage) 38
Debridement 40
Nonselective Debridement 40
Surgical debridement 40
Mechanical debridement 40
Selective Debridement 40
Enzymatic debridement 40
Autolytic debridement 40
TOPICAL PRODUCTS 41
Topical Antimicrobials 41
Triple-antibiotic ointment 41
Gentamicin sulfate 42
Silver 42
Nitrofurazone 42
Aloe vera 42
Tripeptide-copper complex 43
Maltodextrin NF 43
Honey 43
Sugar 44
Hypertonic saline 44
Growth factors 44
Chitosan 45
WOUND-CLOSURE TECHNIQUE 45
Primary Wound Closure 45
Secondary Wound Closure 45
Delayed Primary Wound Closure 45
BANDAGING 46
Primary Contact Bandage Layer (Wound Dressings) 46
Semiocclusive dressings 46
Films 46
Foams 47
Hydrogels 47
Hydrocolloids 48
Alginates 48
Other products 48
Secondary (Intermediate) Bandage Layer 49
Tertiary (Outer) Bandage Layer 49
Tie-Over Bandages 49
Bandage Changes 49
NEGATIVE PRESSURE WOUND THERAPY 50
CONSIDERATIONS FOR WOUND MANAGEMENT IN EXOTIC ANIMAL SPECIES 50
Birds 50
Reptiles 51
SUMMARY 51
REFERENCES 51
Fish Surgery 55
Key points 55
INTRODUCTION 55
PRESURGICAL CONSIDERATIONS 56
Anesthesia and Analgesia 56
Surgical Preparation 58
General Surgical Approach in Fish 59
COMMON SURGICAL PROCEDURES IN TELEOST AND ELASMOBRANCH FISH 61
Integumentary Mass Removal 63
Intracoelomic Mass and Foreign Body Removal 63
Ophthalmic Surgery 66
Reproductive Surgery 67
Cesarean Section in Elasmobranchs 70
Organ Prolapse Repair 71
Radiotransmitter Implantation 73
Endoscopic Procedures 74
SUMMARY 74
REFERENCES 74
Surgery in Amphibians 77
Key points 77
INTRODUCTION 77
INDICATIONS AND CONTRAINDICATIONS 78
EQUIPMENT 78
PATIENT PREPARATION 79
ANALGESIA, ANESTHESIA, PRESURGICAL PREPARATION 79
CONTROL OF THE ANESTHETIC DEPTH AND MONITORING 80
SURGERY OF THE INTEGUMENT 83
CELIOTOMY 83
GASTROTOMY, ENTEROTOMY, AND CYSTOTOMY 84
REPRODUCTIVE SURGERY 87
CLOACAL PROLAPSE 88
MINIMAL INVASIVE SURGERY 89
OPHTHALMOLOGIC SURGERY 91
ORTHOPEDICS 92
RECOVERY AND POSTOPERATIVE MANAGEMENT 92
REFERENCES 94
Reptile Soft Tissue Surgery 97
Key points 97
INTRODUCTION 97
SURGERY OF THE SKIN 98
Skin Sutures 98
Suture Materials 98
Surgical Technique for Wounds with Avulsion of the Skin from Bone in Chelonians 98
Subcutaneous Abscess Removal 99
HEAD AND NECK SURGERY 100
Aural Abscesses 100
Trachea 101
Temporary tracheal bypass 101
Endoscopic removal of tracheal masses 101
Tracheal resection in snakes 101
Esophagus 101
Esophagostomy tube placement 101
Surgical technique 101
Esophagotomy 102
Surgical technique: cervical esophagotomy 103
Surgical technique: supraplastronal esophagotomy 103
Thyroid 103
Thyroidectomy 103
Surgical technique 103
COELIOTOMY 104
Lizards 104
SNAKES 105
Closure of the Coelom in Snakes and Lizards 105
CHELONIANS 106
Prefemoral Fossa Coeliotomy 106
Plastron Osteotomy 107
REPRODUCTIVE TRACT SURGERY 109
Ovariectomy, Ovariosalpingectomy, and Salpingotomy 109
Indications and preoperative considerations 109
Open surgical techniques 109
Endoscopy-assisted prefemoral oophorectomy and salpingectomy 111
Orchiectomy 112
Open surgical orchiectomy 112
Prefemoral fossa orchiectomy in chelonians 113
Phallectomy 114
Surgical technique 114
URINARY TRACT SURGERY 114
Kidneys Biopsy 114
Nephrectomy 115
Cystotomy 116
Surgical technique 116
GASTROINTESTINAL TRACT SURGERY 117
Principles of Gastrointestinal Surgery 118
Gastrotomy 119
Enterotomy 120
Enterectomy 120
Enterostomy 122
LIVER AND GALLBLADDER 122
Open Surgical Biopsy/Partial Hepatectomy 122
CLOACAL PROLAPSES 122
Treatment of Cloacal Tissue Prolapse 122
Resection and Anastomosis 123
PEDIATRIC SURGERY 124
Omphalectomy 124
TAIL AMPUTATION 125
Technique 125
LIMB AMPUTATION 127
ACKNOWLEDGMENTS 127
REFERENCES 127
Avian Soft Tissue Surgery 133
Key points 133
INSTRUMENTATION 133
Microsurgical Instruments 133
Radiosurgery 134
Magnification and Illumination 134
Soft Tissue Retractors 135
Vascular Clips 135
Sutures 135
PATIENT PREPARATION 136
SURGERY OF THE SKIN 137
Digit Constriction Repair 137
Feather Cyst Excision 137
Cranial Wound Repair 138
Sternal Wound Repair 138
Uropygial Gland Excision 139
SURGERY OF THE GASTROINTESTINAL SYSTEM 139
Ingluviotomy and Crop Biopsy 139
Crop Burn or Laceration Repair 140
Coeliotomy 141
Left lateral celiotomy 142
Ventral midline celiotomy 142
Transverse celiotomy 143
Coelomic Hernia and Pseudohernia Repair 144
Proventriculotomy and Ventriculotomy 144
Enterotomy or Intestinal Resection and Anastomosis 144
Cloacoplasty and Cloacopexy 144
SURGERY OF THE RESPIRATORY SYSTEM 147
Rhinolith Removal 147
Sinusotomy 149
Tracheotomy and Tracheal Resection and Anastomosis 149
Tracheostomy 151
Pneumonectomy 151
SURGERY OF THE REPRODUCTIVE SYSTEM 151
Ovocentesis 151
Ovariectomy 151
Salpingohysterectomy 151
Cesarean Section 153
Orchidectomy 153
Vasectomy 154
Phallectomy 156
ACKNOWLEDGMENTS 156
REFERENCES 156
Rabbit Soft Tissue Surgery 159
Key points 159
INTRODUCTION AND PRINCIPLES 159
Presurgical Considerations 160
Analgesia and Anesthesia 160
Surgical Principles 160
Postoperative Considerations 161
ABDOMINAL EXPLORATION 161
Introduction, Indications 161
Contraindications 161
Patient Positioning, Preparation, Instruments 161
Approach 161
Technique 162
Complications 163
GASTROINTESTINAL SURGERY 163
Gastrotomy 163
Indications 163
Technique 164
Complications 165
Postoperative care 165
Enterotomy and Intestinal Biopsy 165
Indications 165
Technique 166
Small Intestinal Resection and Anastomosis 167
Indications 167
Technique 167
LIVER SURGERY 168
Indications 168
Contraindications 168
Presurgical Considerations 168
Technique 169
Punch biopsy 169
Guillotine suture biopsy or partial lobectomy 169
Excisional wedge biopsy with overlapping guillotine sutures 169
Total lobectomy 170
Complications and Postoperative Care 171
URINARY TRACT SURGERY 171
Presurgical Consideration 171
Patient Preparation and Instruments 171
Postoperative Complications 171
Postoperative Care 171
Kidney surgeries 171
Renal Biopsy 172
Surgical Management of Ear Diseases in Rabbits 189
Key points 189
INTRODUCTION 189
EAR ANATOMY 189
External Ear 189
Breed Differences 190
Middle Ear 191
Diagnostics 191
DISEASES OF THE PINNA 193
Aural Hematoma/Edema 193
Lacerations of the Pinna 195
Tumors 195
Pinnectomy 196
Partial pinnectomy 196
Total pinnectomy 196
Postoperative Care 196
Complications 196
DISEASES OF THE EAR CANAL 196
Otitis Externa 196
Surgery of the Ear Canal 197
Partial Ear Canal Ablation 197
Total Ear Canal Ablation 199
Postoperative Care 199
Complications 200
DISEASES OF THE MIDDLE AND INNER EAR 201
Otitis Media and Interna 201
Surgery of the Middle Ear 202
Lateral Bulla Osteotomy 202
Ventral Bulla Osteotomy 202
Postoperative Care 203
Complications 203
REFERENCES 203
Small Mammals 205
Key points 205
INTRODUCTION 205
PRESURGICAL CONSIDERATIONS 206
Anesthesia and Analgesia 206
Surgical Preparation 206
POSTSURGICAL CONSIDERATIONS 207
COMMON SURGICAL PROCEDURES 207
Integumentary Surgery 207
Traumatic wounds 208
Abscesses 208
Pododermatitis 210
Self-mutilation 210
Tail slip 212
Tumors of the integument 214
Cheek pouch eversion in hamsters 217
Intra-abdominal surgical procedures 218
Gastrointestinal tract surgery 218
Gastrointestinal foreign bodies 218
Proliferative abdominal lesions in (neoplasms, abscesses, and granulomas) 220
Rectal prolapse 221
Hepatic Surgery 223
Hepatic Biopsy 225
Hepatic Lobectomy for Mass Removal 226
Surgery of the Spleen 226
Urinary Tract Surgery 228
Urolithiasis 228
Reproductive Tract Surgery 230
Elective Orchiectomy and Ovariectomy or Ovariohysterectomy 231
Orchiectomy 231
Ovariectomy/Ovariohysterectomy 233
Additional Ferret Surgical Procedures 236
Endocrine Surgery 238
Adrenalectomy 238
Insulinoma 241
Surgical treatment of insulinoma in ferrets 241
REFERENCES 242
Eye Removal Surgeries in Exotic Pets 245
Key points 245
GENERAL CONSIDERATIONS FOR OPHTHALMIC SURGERY IN EXOTIC PETS 245
Anesthesia 246
PATIENT PREPARATION 246
POSITIONING 247
EQUIPMENT 248
Instruments for Exposing or Stabilizing Tissues 249
Eyelid specula 249
Tissue forceps 249
Instruments for Separating, Incising, or Excising Tissues 249
Scalpels and blades 249
Scissors 249
Lens loupes 250
Cyclodialysis spatulas 250
Instruments and Material for Uniting Tissues (Suturing) 250
Needle holders 250
Suture needles 250
Suture materials 251
Miscellaneous Instruments and Accessories 253
ANATOMIC FACTORS 253
POSTOPERATIVE MANAGEMENT 253
EYE REMOVAL SURGERY 253
ENUCLEATION 254
EXENTERATION 255
EVISCERATION 255
CONSIDERATIONS IN EXOTIC PETS 255
ENUCLEATION PROCEDURE IN SMALL MAMMALS 255
Technique 256
Postoperative Care 258
Postoperative Complications 259
Mammalian Enucleation: Species-Specific Nuances 259
AVIAN EYE REMOVAL 259
Additional Considerations in Avian Patients 259
ENUCLEATION: GLOBE COLLAPSING PROCEDURE 260
Technique 260
OCULAR EVISCERATION 261
Technique 261
REPTILE EYE REMOVAL 263
AMPHIBIAN EYE REMOVAL 264
FISH EYE REMOVAL 264
ACKNOWLEDGMENTS 265
REFERENCES 265
Exotic Mammal Laparoscopy 269
Key points 269
INTRODUCTION 269
INDICATIONS AND CONTRAINDICATIONS 270
INSTRUMENTATION 270
PATIENT PREPARATION AND POSITIONING 275
APPROACH 275
SINGLE-PORT TECHNIQUE 276
MULTIPLE-PORT TECHNIQUES 276
PROCEDURES 280
Biopsy 280
Ovariectomy 280
Endoscope-Assisted Laparotomy 283
Other Procedures 283
Closure 283
Complications 284
Postoperative Care 284
Future Considerations 284
SUMMARY 285
ACKNOWLEDGMENTS 285
REFERENCES 285
Index 287