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Principles and Practice of Surgery E-Book

Principles and Practice of Surgery E-Book

O. James Garden | Rowan W Parks

(2017)

Additional Information

Book Details

Abstract

Principles and Practice of Surgery is the surgical companion textbook to the international medical bestseller Davidson’s Principles and Practice of Medicine. It is a comprehensive textbook for both the surgical student and trainee, guiding the reader through key core surgical topics which are encountered throughout an integrated medical curriculum as well as in subsequent clinical practice. Although sharing the same format and style as Davidson’s Principles and Practice of Medicine, this text is complete in itself, thus enabling the student to appreciate both the medical and surgical implications of diseases encountered in surgical wards.

  • A three-section textbook of surgical principles and regional clinical surgery.
  • The textbook presents a comprehensive account of international surgical practice, taking into account variations in the disease patterns and management approaches throughout the world.
  • Superbly presented with line drawings, high quality radiographic images and colour photographs.
  • Presented in similar form to its sister textbook Davidson’s Principles and Practice of Medicine.
  • Full online and ebook version available as part of Student Consult.
  • A new chapter on Evidence-based practice and professional development.
  • An expanded chapter on Surgical preparation includes an account of the main issues surrounding day case surgery.
  • A new International Advisory Board based in India, South Africa, South-east Asia and Europe has advised throughout on the structure and content of the book.
  • Consequently the text has been updated to reflect changes in understanding, evidence and practice, and to keep the contents in line with undergraduate and postgraduate surgical curricula
  • The evidence-based revision boxes that focus on major international guidelines have been thoroughly updated.
  • The text on tropical conditions such as tropical pancreatitis, tuberculosis affecting the various organ systems and filarial lymphoedema has been expanded.
  • Innovations useful in the practice of surgery in resource-poor environments have been included.
  • The text gives a global emphasis on epidemiological and cultural issues such as problems associated with directed transfusion of blood products from first degree relatives, the issues of informed consent and patient autonomy.
  • A comparison of SI and non-SI reference ranges for commonly used laboratory values has been added.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Inside Front Cover ES2
Principles and Practice of Surgery iii
Copyright iv
Contents v
Preface vii
Acknowledgements viii
Contributors ix
International Advisory Board xi
Section 1: Principles of perioperative care 1
Chapter 1: Metabolic response to injury, fluid and electrolyte balance and shock 3
The metabolic response to injury 3
Features of the metabolic response to injury 3
Factors mediating the metabolic response to injury 3
The acute inflammatory response 3
The endothelium and blood vessels 3
Afferent nerve impulses and sympathetic activation 4
The endocrine response to surgery 4
Consequences of the metabolic response to injury 5
Hypovolaemia 5
Fluid-conserving measures 5
Blood flow-conserving measures 5
Increased energy metabolism and substrate cycling 7
Thermogenesis 7
Basal metabolic rate 7
Catabolism and starvation 7
Catabolism 7
Carbohydrate metabolism 7
Fat metabolism 7
Protein metabolism 7
Starvation 8
Changes in red blood cell synthesis and coagulation 8
Anabolism 8
Factors modifying the metabolic response to injury 9
Fluid and electrolyte balance 9
Normal water and electrolyte balance 9
Assessing losses in the surgical patient 11
Insensible fluid losses 11
The effect of surgery 11
The stress response 11
'Third-space' losses 11
Loss from the gastrointestinal tract 12
Intravenous fluid administration 12
Types of intravenous fluid 12
Crystalloids 12
Dextrose-saline solutions 13
Colloids 13
Maintenance fluid requirements 13
Treatment of postoperative hypovolaemia and/or hypotension 14
Specific water and electrolyte abnormalities 14
Sodium and water 14
Water depletion 14
Water excess 14
Hypernatraemia 14
Hyponatraemia 15
Potassium 15
Hyperkalaemia (K >5.5mmol/L) 15
Hypokalaemia (<3.0mmol/L) 16
Other electrolyte disturbances 16
Calcium 16
Magnesium 16
Phosphate 17
Acid-base balance 17
Metabolic acidosis 17
Metabolic alkalosis 18
Respiratory acidosis 18
Respiratory alkalosis 18
Shock 18
Definition 18
Classification of shock 19
Hypovolaemic shock 19
Septic shock 19
Cardiogenic shock 20
Anaphylactic shock 20
Neurogenic shock 20
Pathophysiology 20
Macrocirculation 21
Microcirculation 21
Cellular function 22
The effect of shock on individual organ systems 23
Cardiovascular 23
Respiratory 23
Renal 23
Nervous system 23
Gastrointestinal 23
Hepatobiliary 24
Management 24
General principles 24
Airway and breathing 24
Circulation 24
Hypovolaemic shock 25
Septic shock 26
Cardiogenic shock 28
Anaphylactic shock 28
Chapter 2: Transfusion of blood components and plasma products 29
Introduction 29
Blood donation 29
Blood components 29
Red blood cells in additive solution 29
Platelets 30
Fresh frozen plasma (FFP) 31
Cryoprecipitate 31
Plasma products 31
Human albumin 31
Factor VIII and factor IX concentrates 31
Prothrombin complex concentrates 31
Immunoglobulin preparations (90% IgG) 31
Red cell serology 32
ABO antigens 32
Rhesus antigens (RH) 32
Other red cell antigens 32
Pretransfusion testing 32
Maximal surgical blood ordering schedule (MSBOS) 33
Indications for transfusion 33
Blood administration 33
Adverse effects of transfusion 34
Autologous transfusion 35
Preoperative donation 35
Isovolaemic haemodilution 35
Cell salvage 36
Transfusion requirements in special surgical settings 36
Blood component use in major haemorrhage 36
Cardiopulmonary bypass 38
Methods to reduce the need for blood transfusion 38
Acute volume replacement 38
Mechanisms for reducing blood use in surgery 39
Preoperative 39
Intraoperative 39
Postoperative 39
Better blood transfusion 39
Future trends 39
Chapter 3: Nutritional support in surgical patients 40
Introduction 40
Assessment of nutritional status 40
Assessment of nutritional requirements 42
Causes of inadequate intake 42
Methods of providing nutritional support 42
Enteral nutrition 43
Oral route 43
Methods of administration of enteral feeds 43
Nasogastric or nasojejunal tubes 43
Gastrostomy and jejunostomy 43
Complications of enteral nutrition 44
Parenteral nutrition 44
Indications for total parenteral nutrition 44
Composition of total parenteral nutrition solutions 45
Administration of total parenteral nutrition 45
Complications of total parenteral nutrition 46
Catheter problems 46
Thrombophlebitis 46
Infection 46
Metabolic complications 46
Peripheral venous nutrition 47
Monitoring of nutritional support 47
Chapter 4: Infections and antibiotics 48
Importance of infection 48
Biology of infection 48
Bacterial factors 48
Host defence systems 48
Preventing infection in surgical patients 50
Preoperative MRSA screening 50
Aseptic technique 50
Hand decontamination 50
Personal protective equipment for staff 51
Skin preparation 51
Surgical instruments 51
Maintaining patient homeostasis 51
Creutzfeldt-Jakob disease and other prion diseases 52
Prophylactic use of antibiotics 52
Timing and dose 52
Antibiotic choice 52
Carriage of resistant organisms and prophylaxis 52
Prophylaxis for immunosuppressed patients 52
Management of surgical infections 53
Diagnosis 53
Antibiotic therapy 53
Specific infections in surgical patients 55
Surgical site infection (SSI) 55
Diagnosis 55
Treatment 55
Prevention 55
Urinary tract infections 55
Emergence of multiresistant bacteria 56
Respiratory tract infections 56
C. difficile infection (CDI) 56
Diagnosis 57
Treatment 57
Infection control 57
Fungal infections 57
Risk factors 57
Infections of prosthetic devices 57
Infections primarily treated by surgical management 57
Abscess 57
Necrotising fasciitis 58
Diabetic foot infections 58
Gas gangrene 58
Infections following trauma 58
Tetanus 58
Healthcare-associated infections 59
Chapter 5: Ethics, preoperative considerations, anaesthesia and analgesia 60
Ethical and legal principles for surgical patients 60
Principles in surgical ethics 60
Principalism 60
Autonomy 60
Beneficence: doing good 60
Nonmalfeasance: avoiding harm 60
Justice: promoting fairness 61
Informed consent 61
General considerations 61
Consent in specific circumstances 62
Children 62
Mental illness 62
Transient/irreversible cognitive impairment 62
Confidentiality 62
Specific topics 63
Euthanasia and 'end-of-life' issues 63
Abortion 63
Negligence 63
Human Tissue Act 63
Completion of a death certificate 63
Postmortem examination 64
Research governance 64
Ethics committees 64
Preoperative assessment 64
Assessment of operative fitness and perioperative risk 64
Perioperative medicine 65
Oxygen delivery in minimising operative risk 65
Systematic preoperative assessment 65
Cardiovascular system 65
Respiratory system 66
Smoking 66
Preoperative exercise 66
Alcohol 66
Nutritional status 66
Obesity 66
Drug therapy 66
Long-term steroid therapy 66
Antiplatelet therapy and anticoagulants 67
Oral contraceptives and hormone-replacement therapy 67
Psychiatric drugs 67
Allergies 67
Pregnancy 67
Previous operations and anaesthetics 68
Preoperative investigations 68
Haematology 68
Full blood count 68
Coagulation screen 68
Cross-matching 69
Biochemistry 69
Urea and electrolytes 69
Liver function tests 69
Cardiac investigations 69
Respiratory investigations 70
Cardiopulmonary exercise testing 70
Patients where there is increased risk of transmission of blood borne viruses or other infection 70
Preoperative screening for methicillin-resistant Staphylococcus aureus or other resistant organisms 71
Assessment of the patient for emergency surgery 71
Preoperative review 71
Venous thromboembolism prophylaxis 71
Antibiotic prophylaxis 72
Preoperative anxiolytic medication 73
Preoperative fasting 73
Perioperative implications of chronic disease 73
Cardiovascular disease 73
Ischaemic heart disease 73
Myocardial infarction 73
Heart failure 74
Valvular heart disease 74
Pacemakers 75
Hypertension 75
Perioperative management of patients with cardiovascular disease 75
Drug therapy 75
β-Blockers 75
Angiotensin-converting enzyme (ACE) inhibitors 75
Perioperative haemodynamic therapy 75
Respiratory disease 75
Anaesthetic technique 76
Intraoperative ventilatory management 76
Postoperative analgesia 76
Physiotherapy 76
Postoperative ventilation 76
Diabetes mellitus 76
Diabetic comorbidity 76
Vascular disease 76
Renal disease 76
Neuropathy 76
Infection 76
Effect of surgical stress on diabetic control 76
Principles of perioperative diabetes management 76
Methods of insulin administration 77
Chronic renal failure 77
Dialysis-dependent patients 77
Nondialysis-dependent patients 78
Jaundice 78
Hepatitis 78
Coagulopathy 78
Acute renal failure 78
Cirrhosis 78
Abnormal coagulation 78
Anticoagulant therapy 78
Inherited disorders of coagulation 79
Acquired coagulopathy 79
Anaemia 79
Musculoskeletal disease 79
Miscellaneous conditions 79
Anaesthesia and the operation 79
Anaesthesia 79
General anaesthesia 79
Local anaesthetic agents 79
Spinal and epidural anaesthesia 80
Spinal anaesthesia 80
Epidural anaesthesia 80
Peripheral nerve block 80
Local infiltration 80
Topical anaesthesia 81
Postoperative analgesia 82
Pain assessment 82
Postoperative analgesic strategy 82
Epidural analgesia 82
Patient-controlled analgesia 83
Parenteral and oral opioid regimens 83
Strong opioids 83
Weak opioids 83
Paracetamol and NSAIDs 83
Ketamine 83
Neuropathic pain 83
Postoperative nausea and vomiting 83
Day surgery 83
Facilities 83
Patient pathway 84
Admission for day surgery 85
Discharge criteria 85
Chapter 6: Principles of the surgical management of cancer 86
The biology of cancer 86
Carcinogenesis 87
Invasion and metastasis 88
Natural history and estimate of cure 89
The management of patients with cancer 90
Screening 90
Screening for inherited cancer 90
The cancer patient's journey 91
Symptoms that may initiate a patients 'cancer journey' 91
Local effects 91
Systemic effects 91
Consultation with the GP 92
Referral to a specialist/cancer centre 92
Investigations 92
Diagnostic investigations 92
Staging investigations 93
Treatment 93
Benign tumours 94
Malignant tumours 94
Adjuvant treatment 95
Surgery for metastases 96
Follow-up 96
Palliation of advanced cancer 96
Prognosis and counselling 96
Care of the dying 96
Chapter 7: Trauma and multiple injury 98
Introduction 98
The importance of trauma 98
The 'golden hour' 98
The 'platinum 10 minutes' 98
Temporal distribution of trauma deaths 98
Mechanisms of injury 99
Blunt trauma 99
Penetrating trauma 99
Miscellaneous trauma 99
Injury severity 99
Purpose 99
Limitations 100
Trauma scoring systems 100
Physiological scores 100
The Glasgow Coma Scale (GCS) 100
Revised Trauma Score (RTS) 100
Anatomical scores 100
Abbreviated Injury Scale (AIS) 100
Injury Severity Score (ISS) 100
Combination scores 100
Trauma Related Injury Severity Score (TRISS) 100
Trauma systems, centres and teams 101
Trauma system 101
Trauma Centres 101
Trauma team 101
Shock 102
Section 2: Gastrointestinal surgery 145
Chapter 11: The abdominal wall and hernia 147
Umbilicus 147
Developmental abnormalities 147
Persistent vitello-intestinal duct 147
Urachus 147
Umbilical sepsis 147
Umbilical tumours 147
Disorders of the rectus muscle 147
Haematoma of the rectus sheath 147
Desmoid tumour 147
Abdominal hernia 148
Inguinal hernia 148
Surgical anatomy 149
Indirect inguinal hernia 150
Clinical features 150
Direct inguinal hernia 151
Clinical features 151
Management of uncomplicated inguinal hernia 151
Indirect inguinal hernia 152
Direct hernia 152
Sportsmans hernia 153
Femoral hernia 153
Surgical anatomy 153
Clinical features 154
Surgical repair of femoral hernia 154
Ventral hernia 155
Epigastric hernia 155
Umbilical hernia 156
Paraumbilical hernia 156
Incisional hernia 156
Parastomal hernia 156
Rare external hernias 156
Internal hernia 157
Complications of hernia 157
Irreducibility 157
Obstruction 157
Strangulation 157
Management of complicated hernia 158
Chapter 12: The acute abdomen 159
Introduction 159
Aetiology 159
Pathophysiology of abdominal pain 159
Somatic pain 159
Visceral pain 161
Pathogenesis 161
Inflammation 161
Peritonitis 162
Section 3: Surgical specialties 299
Chapter 18: Plastic surgery including common skin and subcutaneous lesions 301
Introduction 301
Structure and function of the skin 301
Wounds 301
Types of wound 301
Principles of wound healing 302
Inflammatory phase (Days 1-6) 302
Proliferative phase (Days 3-21) 302
Maturation or remodelling phase (Weeks 3-52+) 302
Abnormal scarring 303
Factors influencing wound healing 304
Blood supply 304
Infection 304
Nutritional status 304
Intercurrent disease 304
Surgical technique 304
Wound infection 304
Classification 304
Clinical features 305
Prevention 305
Management 305
Involvement of other structures 305
Devitalised skin flaps 305
Wounds with skin loss 306
Skin grafts 306
Flaps 306
Burns 308
Mechanisms 308
Local effects of burn injury 308
General effects of burn injury 308
Classification 309
Burn size 309
Burn depth 310
Superficial and superficial partial-thickness burns 310
Deep partial-thickness burns 310
Full-thickness burns 310
Determination of burn depth 311
Mechanism 312
Appearance 312
Sensation 312
Prognosis in burns 312
Associated respiratory injury 312
Management 312
First aid 312
Transfer to hospital 312
Adequate ventilation 312
Initial assessment and management 312
Prevention and treatment of burn shock 313
Oral intake 313
Nutritional management 313
Blood transfusion 313
Organ failure and burn shock 313
Respiratory complications 313
Renal failure 313
Sepsis 314
Curlings ulcer and gastric erosions 314
Initial cleansing and debridement 314
Dressings 314
Exposure 314
Evaporative dressings 314
Semi-occlusive and occlusive dressings 314
Topical antibacterial agents 314
'Biological' dressings 314
Relief of constriction (escharotomy) 314
Restoration of epidermal cover 314
Long-term functional and cosmetic outcomes 315
Skin and soft tissue lesions 315
Diagnosis 315
Infections 315
Cellulitis 315
Necrotising fasciitis 315
Hidradenitis suppurativa 316
Cysts 316
Epidermoid cysts 316
Dermoid cysts 316
Tumours of the skin 316
Benign lesions 317
Papillomas 317
Squamous cell papillomas (SCC) (viral warts) 317
Seborrhoeic keratoses (senile warts) 317
Fibro-epithelial polyps (acrochordon or skin tags) 318
Dermatofibroma 318
Keratoacanthoma (molluscum sebaceum) 318
Benign naevi (moles) 318
Special types of naevi 319
Premalignant lesions 319
Actinic (solar) keratosis 319
In situ or intraepidermal squamous cell carcinoma (Bowens disease) 319
Malignant lesions 319
Basal cell carcinoma (rodent ulcer) 320
Squamous cell carcinoma 320
Marjolin's ulcer 320
Malignant melanoma (MM) 320
Lentigo maligna (in situ melanoma/Hutchisons melanotic freckle) 321
Superficial spreading melanoma (SSMM) 321
Nodular melanoma 321
Other types of malignant melanoma 321
Spread of malignant melanoma 321
Management of malignant melanoma 322
Clinical and pathological staging 323
Vascular tumours 323
Infantile haemangiomas (strawberry naevi) 323
Tumours of nerves 324
Neurilemmoma (Schwannoma) 324
Neurofibroma 324
Tumours of muscle and connective tissues 324
Lipoma 324
Sarcoma 324
Dermatofibrosarcoma protruberans (DFSP) 325
Dermal sarcoma 325
Liposarcoma 325
Fibrosarcoma 325
Rhabdomyosarcoma 325
Angiosarcoma and Kaposi's sarcoma 325
Chapter 19: The breast 326
Anatomy and physiology 326
Overview 326
Anatomy 326
Congenital abnormalities 326
Hormonal control of breast development and function 326
Assessment of a patient with breast disease 326
History 327
Clinical examination 327
Assessment of regional nodes 328
Imaging 328
Mammography 328
Ultrasonography 329
Magnetic resonance imaging (MRI) 329
Core biopsy and fine needle aspiration (FNA) cytology 329
Core biopsy 329
Punch biopsy 329
Fine-needle aspiration cytology 329
Open biopsy 330
Triple assessment 330
Accuracy of investigations 330
Sentinel lymph node biopsy 330
Nipple discharge 330
Benign breast conditions 331
Fibroadenoma 331
Breast lumpiness and pain 331
Lumpiness or nodularity 332
Other lumps 332
Noncyclical breast pain 332
Breast cysts 332
Duct ectasia 332
Epithelial hyperplasia 332
Benign neoplasms 333
Duct papilloma 333
Lipoma 333
Phyllodes tumour 333
Breast infection 334
Lactating infection 334
Nonlactating infection 334
Central (periareolar) infection 334
Mammary duct fistula 335
Peripheral nonlactating abscesses 335
Tubercular mastitis 335
Skin-associated infection 335
Breast cancer 335
Epidemiology 335
Risk factors for breast cancer 336
Age 336
Geographical variation 336
Menstrual and pregnancy factors 336
Breast cancer in developing countries 336
Radiation 336
Benign disease 336
Diet 336
Exogenous hormones 336
Physical activity, weight and height 337
Genetics 337
High risk genes 337
Other genes 337
Genetic testing 337
Management 337
Types of breast cancer 337
Noninvasive cancer 337
Invasive cancer 338
Hormone receptors 338
Growth factor receptors 338
Testing for receptors 338
Cancer types 338
Screening for breast cancer 338
Mammographic features of breast cancer 339
Staging of breast cancer 339
The curability of breast cancer 340
Prognosis of breast cancer 340
Presentation of breast cancer 341
Management of operable breast cancer 343
In situ breast cancer 343
Operable breast tumours 343
Local therapy 343
Breast-conserving surgery 343
Axillary surgery in women with operable invasive breast cancer 343
Radiotherapy 344
Modified radical mastectomy 344
Systemic therapy 344
Adjuvant chemotherapy 344
Adjuvant hormone therapy 345
Anti-HER2 therapy 345
Neoadjuvant therapy 345
Breast cancer in pregnancy 346
Pregnancy after treatment for breast cancer 346
Complications of treatment 346
Radiotherapy 346
Chemotherapy 346
Hormonal treatments 346
Psychological aspects 346
Breast reconstruction 347
Follow-up 347
Management of locally advanced breast cancer 347
Management of metastatic or advanced breast cancer 348
Chemotherapy 348
Hormonal treatment 348
Anti-HER2 therapy 348
Local treatments in metastatic breast cancer 348
Specific problems in patients with metastatic breast cancer 348
Bone disease 348
Hypercalcaemia 349
Marrow infiltration 349
Spinal cord compression 349
Pleural effusion 349
Liver metastases 349
Brain metastases 349
Miscellaneous tumours of the breast 349
Secondary tumours 349
Male breast 349
Gynaecomastia 349
Male breast cancer 350
Chapter 20: Endocrine surgery 351
Introduction 351
Thyroid gland 351
Surgical anatomy and development (see also Chapter 26) 351
Thyroid function 351
Assessment of thyroid disease 352
Enlargement of the thyroid gland (goitre) 353
Appendix: Laboratory reference ranges 548
Index 551