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A Practice of Anesthesia for Infants and Children E-Book

A Practice of Anesthesia for Infants and Children E-Book

Charles J. Cote | Jerrold Lerman | I. David Todres

(2018)

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Book Details

Abstract

Covering everything from preoperative evaluation to neonatal emergencies to the PACU, A Practice of Anesthesia in Infants and Children, 6th Edition, features state-of-the-art advice on the safe, effective administration of general and regional anesthesia to young patients. It reviews underlying scientific information, addresses preoperative assessment and anesthesia management in detail, and provides guidelines for postoperative care, emergencies, and special procedures. Comprehensive in scope and thoroughly up to date, this 6th Edition delivers unsurpassed coverage of every key aspect of pediatric anesthesia.


Table of Contents

Section Title Page Action Price
Front Cover cover
Endsheet 2 IFC1
A Practice of Anesthesia for Infants and Children i
Copyright Page iv
Dedication v
Contributors vii
Preface xvii
Acknowledgments xix
Table Of Contents xxi
Video Contents xxiii
I Introduction 1
1 The Practice of Pediatric Anesthesia 1
Preoperative Evaluation and Management 1
Parents and Child 1
The Anesthesiologist 2
Informed Consent 3
Operating Room and Monitoring 3
Induction and Maintenance of Anesthesia 5
Clinical Monitors 5
Sight 5
Hearing 5
Touch 5
Airway and Ventilation 5
Fluids and Perfusion 6
Conduct of the Anesthesia Team 6
The Postanesthesia Care Unit 6
Postoperative Visit 6
Summary 7
2 Growth and Development 8
Normal and Abnormal Growth and Maturation 8
Gestational Age Assessment 9
Weight and Length 9
Head Circumference 13
Face 13
Teeth 14
Airway and Respiratory System 14
Upper Airway Development 14
Respiratory System Development 14
Transition to Air Breathing 14
Mechanics of Breathing 15
Chest Wall and Respiratory Muscles 15
Elastic Properties of the Lung 15
Static Lung Volumes 15
Total Lung Capacity 15
Functional Residual Capacity 16
Closing Capacity 17
Airway Dynamics 17
Resistance and Conductance 17
Distribution of Resistance 17
Inspiratory and Expiratory Flow Limitation 17
Regulation of Breathing 17
Cardiovascular System 18
Heart Rate 18
Blood Pressure 18
Cardiac Output 18
Normal Electrocardiographic Findings 19
Renal System 19
Digestive and Endocrine System 19
Hepatic System 19
Physiologic Jaundice 20
Gastrointestinal Tract 20
Pancreas 21
Hematopoietic and Immunologic System 21
Hemoglobin 21
Leukocyte and Immunology 22
Platelets 22
Coagulation 22
Polycythemia 22
Neurologic Development and Cognitive Development Issues 22
Neurologic Development 22
Interactions With the External World During Growth and Development 23
Acknowledgment 24
Annotated References 24
References 24.e1
3 Perioperative Behavioral Stress in Children 25
Developmental Issues 25
Cognitive Development and Understanding of Illness 25
Attachment 25
Temperament 26
Preoperative Anxiety 26
Risk Factors 26
Behavioral Interventions 26
Preoperative Preparation Programs 27
Parental Presence During Induction of Anesthesia 28
The Preoperative Interview 29
Health Care Provider Interventions 30
Pharmacologic Interventions 31
Pharmacologic Interventions Versus Behavioral Interventions 31
Postoperative Outcomes 32
Emergence Delirium 32
Sleep Changes 32
Other Behavioral Changes 32
Intraoperative Clinical Outcomes 33
Summary 33
Annotated References 33
References 34.e1
4 Preoperative Evaluation, Premedication, and Induction of Anesthesia 35
Preparation of Children for Anesthesia 35
Fasting 35
Piercings 36
Primary and Secondary Smoking 36
Primary Smoking 36
Secondary Smoking 37
Psychological Preparation of Children for Surgery 37
Child Development and Behavior 38
Parental Presence During Induction 39
History of Present Illness 39
Past/Other Medical History 40
Herbal Remedies 40
Anesthesia and Vaccination 41
Allergies to Medications and Latex 41
Family History 42
Laboratory Data 42
Pregnancy Testing 42
Premedication and Induction Principles 42
General Principles 42
Medications 43
Tranquilizers 43
Benzodiazepines 43
Barbiturates 44
Nonbarbiturate Sedatives 44
Opioids 44
Ketamine 45
α2-Agonists 46
Antihistamines 46
Anticholinergic Drugs 46
Topical Anesthetics 47
Nonopioid Analgesics 47
Antiemetics 49
Corticosteroids 49
Insulin 49
Antibiotics 49
Antacids, H2-Receptor Antagonists, and Gastrointestinal Motility Drugs 49
Induction of Anesthesia 50
Preparation for Induction 50
Inhalation Induction 51
Inhalation With Sevoflurane 51
Inhalation Induction With Halothane 52
Inhalation Induction With Desflurane 52
Hypnotic Induction 52
Modified Single-Breath Induction 53
Intravenous Induction 53
Thiopental 53
Methohexital 53
Propofol 53
Etomidate 54
Ketamine 54
Intramuscular Induction 55
Rectal Induction 55
Full Stomach and Rapid-Sequence Induction 55
Special Problems 57
The Fearful Child 57
Autism 57
Anemia 58
Upper Respiratory Tract Infection 58
Obesity 59
Obstructive Sleep Apnea Syndrome 61
Asymptomatic Cardiac Murmurs 62
Fever 63
Postanesthesia Apnea in Former Preterm Infants 64
Hyperalimentation 65
Diabetes 65
Bronchopulmonary Dysplasia 66
Seizure Disorder 67
Sickle Cell Disease 67
Acknowledgment 67
Annotated References 67
References 68.e1
5 Ethical Issues in Pediatric Anesthesiology 69
Informed Consent 69
The Informed Consent Process 69
Assent: The Role of the Patient 69
Informed Permission, the Best Interest Standard and the Harm Threshold Standard 69
Disclosure 70
Informed Refusal 71
“Doctor, If This Were Your Child, What Would You Do?” 71
Disclosure and Apology of Medical Errors 71
Special Situations in Pediatric Informed Consent 72
Confidentially for Adolescents 72
The Pregnant Adolescent 72
The Adolescent and Abortion 72
Children of Jehovah’s Witnesses 72
Emergency Care 73
The Impaired Parent 73
End-of-Life Issues 73
Forgoing Potentially Life-Sustaining Treatment 73
Perioperative Limitations on Life-Sustaining Treatment 73
Barriers to Honoring Preferences for Resuscitation 74
Physicians Orders for Life-Sustaining Treatment 74
Potentially Inappropriate Interventions 74
Improving Communication in Pediatric Intensive Care Units 75
Organ Donation After Cardiac Death 76
Clinical and Academic Practice Issues 76
Pediatric Research 76
Minimal Risk 76
Minor Increase Over Minimal Risk 77
Socioeconomic Concerns and Distribution of Risk 77
Imperative for Pharmacologic Research 77
Managing Potential Conflicts of Interest 78
Conducting Research 78
Interaction With Industry 78
Production Pressure 79
Physician Obligations, Advocacy, and Good Citizenship 79
Participating in Patient Safety Efforts 79
Treating Suffering 79
Suspicion of Child Maltreatment 80
The Ethics Consultation Service 80
Annotated References 80
References 80.e1
II Drug and Fluid Therapy 81
6 Pharmacogenomics 81
Historical Perspectives 82
Basic Concepts and Nomenclature 82
Hepatic Metabolism and Developmental Pharmacogenetics 83
Cytochromes P-450: Phase I Reactions 83
Developmental Changes of Specific Cytochromes 83
Phase II Reactions 86
Alterations in Biotransformation at Birth 86
Genomics of Drug Metabolism, Exposure, and Effects 86
Pharmacogenomics of Pain and Analgesia 87
Pain Perception and Genetics 89
Genetic Variations Affecting Opioid Pharmacokinetics 89
Codeine 89
Tramadol 91
Hydrocodone 91
Oxycodone 91
Morphine 91
Methadone 92
Genetic Variations Affecting Opioid Pharmacodynamics 92
Opioid Receptor (OPRM1) 92
Blood-Brain Barrier Transporter (ABCB1) 93
Opioid-Cannabinoid System Interactions 93
Genes of Addiction 93
Nonsteroidal Antiinflammatory Drugs and Genetics 94
Acetaminophen and Genetics 94
Chronic Pain, Persistent Postoperative Pain, and Genetics 94
Pharmacogenomics Affecting Anesthesia 95
Intravenous Anesthetics 95
Propofol 95
Inhalational Anesthetics 95
Nitrous Oxide 95
Benzodiazepines 96
Neuromuscular Blocking Drugs 96
Local Anesthetics 96
Perioperative Outcomes 96
Postoperative Nausea and Vomiting 96
Perioperative Bleeding 97
Hemodynamic Response 97
Effect on Other Perioperative Outcomes 97
Ancestry/Race and Genetics 97
Pharmacogenomics Methods 98
Common Genotyping Methods 98
Common Limitations of Genetic Research Studies and Interpretation of Genetic Studies 98
Current Costs of Genotyping and Third-Party Coverage for Genotyping 98
Genetic Counseling 98
Clinical Translation: Bench to Bedside: Where Are We Now? 98
Conclusion 98
Annotated References 99
References 99.e1
7 Pharmacokinetics and Pharmacology of Drugs Used in Children 100
Pharmacokinetic Principles and Calculations 101
First-Order Kinetics 101
Half-Life 101
First-Order Single-Compartment Kinetics 102
First-Order Multiple-Compartment Kinetics 102
Zero-Order Kinetics 103
Apparent Volume of Distribution 103
Pharmacokinetic Example 104
Repetitive Dosing and Drug Accumulation 104
Steady State 104
Loading Dose 105
Population Modeling 105
Pediatric Pharmacokinetic Considerations 105
Size 105
Maturation 106
Organ Function 106
Pharmacodynamic Models 107
Minimal Effective Concentration 107
Sigmoid Emax Model 107
Quantal Effect Model 107
Logistic Regression Model 108
Linking Pharmacokinetics With Pharmacodynamics 108
Drug Distribution 108
Protein Binding 108
Body Composition 109
Regional Blood Flows 110
Blood-Brain Barrier 110
Absorption 110
Enteral 110
Cutaneous 110
Intramuscular 110
Nasal 110
Bioavailability 111
Metabolism and Excretion 111
Hepatic Metabolism 111
Phase I Reactions: Cytochrome P-450 112
Phase II Reactions 113
Alterations in Biotransformation 113
Extrahepatic Routes of Metabolic Clearance 114
Renal Excretion 114
Central Nervous System Effects 115
Pharmacodynamics in Children 115
Measurement of Pharmacodynamic Endpoints 116
The Target Concentration Approach 116
Defining Target Concentration 116
Drug Interactions 117
The Drug Approval Process, the Package Insert, and Drug Labeling 117
Inhalation Anesthetic Agents 118
Physicochemical Properties 118
Pharmacokinetics of Inhaled Anesthetics 119
Factors Affecting Delivery of Inhaled Anesthetics to the Lungs 120
Inspired Concentration 120
Alveolar Ventilation and Functional Residual Capacity 120
Factors Affecting the Uptake (Removal) of Inhaled Anesthetics From the Lungs 120
Cardiac Output 120
Solubility 120
Alveolar to Venous Partial Pressure Gradient 121
Second Gas Effect 121
Induction 121
Control of Anesthetic Depth 122
Shunts 123
Wash-Out and Emergence 124
Pharmacodynamics of Inhaled Anesthetics 124
Minimum Alveolar Concentration 124
Central Nervous System 126
Cardiovascular System 127
Respiratory System 129
Renal System 130
Hepatic System 130
Clinical Effects 131
Induction Techniques 131
Emergence 132
Emergence Delirium 132
Neuromuscular Junction 133
Malignant Hyperthermia 133
Stability and Toxicology of Breakdown Products 133
Nitrous Oxide 134
Environmental Impact 135
Oxygen 135
Intravenous Anesthetic Agents 136
Barbiturates 136
Methohexital 136
Thiopental 136
Propofol 137
Ketamine 140
Etomidate 142
Neuromuscular Blocking Drugs 142
Neuromuscular Monitoring 142
Neuromuscular Junction 144
Pharmacodynamics 145
Pharmacokinetics 145
Depolarizing Neuromuscular Blocking Drugs 146
Succinylcholine 146
Cholinesterase Deficiency 146
Adverse Effects of Succinylcholine 147
Temporomandibular Joint Stiffness 147
Arrhythmias 147
Hyperkalemia 147
Biochemical Changes 148
Rhabdomyolysis 148
Myoglobinemia 148
Fasciculations 148
Intraocular Pressure 148
Clinical Uses of Succinylcholine 148
Intermediate-Acting Nondepolarizing Neuromuscular Blocking Drugs 149
Atracurium 149
Cisatracurium 149
Vecuronium 149
Rocuronium 150
Clinical Implications When Using Short- and Intermediate-Acting Neuromuscular Blocking Drugs 150
Long-Acting Nondepolarizing Neuromuscular Blocking Drugs 150
Pancuronium 150
Antagonism of Neuromuscular Blocking Drugs 151
General Principles 151
Sugammadex 152
Neuromuscular Blocking Drugs in Special Situations 152
Opioids 153
Morphine 153
Pharmacodynamics 153
Pharmacokinetics 153
Routes of Administration 154
Adverse Effects 154
Meperidine 155
Hydromorphone 155
Oxycodone 155
Hydrocodone 156
Methadone 156
Fentanyl 157
Alfentanil 159
Sufentanil 159
Remifentanil 160
Butorphanol and Nalbuphine 162
Codeine 162
Tramadol 163
Tapentadol 163
Acetaminophen 164
Nonsteroidal Antiinflammatory Agents 165
Ketorolac 166
Benzodiazepine Sedatives 167
Midazolam 167
Diazepam 169
Other Sedatives 169
Clonidine 169
Dexmedetomidine 170
Chloral Hydrate 172
Antihistamines 173
Diphenhydramine 173
Cimetidine, Ranitidine, and Famotidine 173
Antiemetics 173
Metoclopramide 173
5-Hydroxytryptamine Type 3–Receptor Antagonists 173
Neurokinin 1 and Other Antiemetics 174
Anticholinergics 174
Atropine and Scopolamine 174
Glycopyrrolate 175
Antagonists 175
Naloxone 175
Naltrexone 175
Methylnaltrexone 176
Flumazenil 176
Physostigmine 176
Annotated References 176
References 176.e1
8 Total Intravenous Anesthesia and Target-Controlled Infusion 177
Pharmacokinetic and Pharmacodynamic Principles 177
Pediatric Pharmacokinetic Parameter Sets 177
The Target Concentration 179
Linking Pharmacokinetics With Pharmacodynamics 179
Pharmacodynamic Interaction Models 180
Traditional Methods 180
Response Surface Models 181
Depth of Anesthesia Monitoring 182
Common TIVA Drugs 182
Achieving the Target Concentration in a Multicompartment Model 183
Fixed Infusion Rate and a Three-Compartment Model 184
Bolus and Variable Rate Infusion in a Three-Compartment Model 185
The Target-Controlled Infusion 189
A Practical Approach in Children 192
Drug Delivery 192
Infusion Regimes 193
The Obese Child 193
Remifentanil as an Adjunct 194
Injection Pain With Propofol 194
Establishing TIVA After an Inhalational Induction 194
Practical Approaches for Some Clinical Scenarios 194
Spontaneously Breathing Diagnostic Procedures (Radiology Investigations) 194
Spontaneously Breathing Airway Procedures Without an Endotracheal Tube (Flexible Respiratory Bronchoscopy, Rigid Laryngobronchoscopy) 195
Spontaneously Breathing Procedures With an Endotracheal Tube (Adenotonsillectomy) 195
Spontaneously Breathing Surgical Procedures With an LMA (Orthopedic and Peripheral Surgical Procedures) 195
Major Invasive Procedures With Intubation (General, Thoracic, Neurosurgical, or Major Orthopedic Surgery (e.g., Posterior Spinal Fusion) 195
A Neonate Having Combined Anesthesia and Regional Blockade 195
Common Manual Propofol Infusion Schemes 195
Adults 195
Adolescents 196
Children 196
Infants 196
Common Manual Opioid Infusion Schemes 197
Ready Mixes 197
Acknowledgement 197
Annotated References 198
References 198.e1
Suggested Websites 198.e3
9 Fluid Management 199
Regulatory Mechanisms: Fluid Volume, Osmolality, and Arterial Pressure 199
Maturation of Fluid Compartments and Homeostatic Mechanisms 201
Body Water and Electrolyte Distribution 201
Circulating Blood Volume 201
Maturation of Homeostatic Mechanisms 202
Fluid and Electrolyte Requirements 203
Neonatal Fluid Management 204
Intraoperative Fluid Management 205
Intravenous Access and Fluid Administration Devices 205
Choice and Composition of Intravenous Fluids 206
Hyperalimentation 207
Fasting Recommendations 208
Assessment of Intravascular Volume 208
Ongoing Losses and Third-Spacing 208
Postoperative Fluid Management 209
General Approach 209
Postoperative Physiology and Hyponatremia 209
Postoperative Pulmonary Edema 209
Pathophysiologic States and Their Management 210
Fluid Overload and Edema 210
Dehydration States 210
Septic Shock 211
Hypernatremia and Hyponatremia 212
Hypernatremia 212
Hyponatremia 212
Disorders of Potassium Homeostasis 213
Hyperkalemia 213
Hypokalemia 214
Syndrome of Inappropriate Antidiuretic Hormone Secretion 214
Diabetes Insipidus 215
Hyperchloremic Acidosis 215
Hypochloremic Metabolic Alkalosis 215
Cerebral Salt Wasting 216
Acknowledgment 216
Annotated References 216
References 216.e1
10 Essentials of Hematology 217
The Basics 217
Laboratory Values and Diagnostic Tests 217
Guidelines for Transfusion 218
Hemolytic Anemias 219
Hereditary Spherocytosis 220
Pathophysiology 220
Clinical and Laboratory Features 220
Perioperative Considerations 221
Glucose-6-Phosphate Dehydrogenase Deficiency 221
Pathophysiology 221
Clinical and Laboratory Features 222
Perioperative Considerations 222
Hemoglobinopathies 222
Sickle Cell Disease 222
Pathophysiology 223
Clinical and Laboratory Features and Treatment 223
Perioperative Considerations 225
Thalassemias 226
Pathophysiology 226
Clinical and Laboratory Features and Treatment 227
Perioperative Considerations 227
Thrombocytopenia 227
Platelet Disorders and Bleeding 227
Idiopathic Thrombocytopenic Purpura 228
Pathophysiology 228
Clinical and Laboratory Features and Treatment 228
Perioperative Considerations 228
Coagulation Disorders 229
Screening 229
Von Willebrand Disease 229
Pathophysiology and Classification 229
Clinical and Laboratory Features and Treatment 230
Perioperative Concerns 230
Hemophilia 230
Pathophysiology 231
Clinical and Laboratory Features and Treatment 231
Perioperative Concerns 231
Hypercoagulability 232
Hematologic Malignancies 232
Acute Lymphoblastic Leukemia 233
Pathophysiology 233
Clinical and Laboratory Features and Treatment 234
Perioperative Considerations 234
Acute Myelogenous Leukemia 235
Pathophysiology 235
Clinical and Laboratory Features and Treatment 235
Perioperative Considerations 236
Hodgkin Lymphoma 236
Pathophysiology 236
Clinical and Laboratory Features and Treatment 236
Perioperative Considerations 237
Non-Hodgkin Lymphoma 237
Pathophysiology 237
Clinical and Laboratory Features and Treatment 237
III The Chest 281
13 Essentials of Pulmonology 281
Respiratory Physiology 281
Preoperative Assessment 283
Pulmonary Function Tests 283
Perioperative Etiology and Epidemiology 285
Upper Respiratory Tract Infection 285
Lower Airway Disease 288
Cystic Fibrosis 292
Sickle Cell Disease 295
Summary 296
Annotated References 296
References 296.e1
14 The Pediatric Airway 297
Developmental Anatomy of the Airway 297
Tongue 297
Position of the Larynx 297
Epiglottis 298
Vocal Folds 298
Subglottis 298
The Larynx 301
Anatomy 301
Structure 301
Histology 302
Sensory and Motor Innervation 302
Blood Supply 303
Function 303
Inspiration 303
Expiration 303
Forced Glottic Closure and Laryngospasm 303
Swallowing 303
Phonation 303
Physiology of the Respiratory System 303
Obligate Nasal Breathing 303
Tracheal and Bronchial Function 304
Work of Breathing 304
Airway Obstruction During Anesthesia 304
Evaluation of the Airway 306
Clinical Evaluation 306
Medical History 306
Physical Examination 307
Diagnostic Testing 307
Airway Management: The Normal Airway 307
Mask Ventilation 307
Oropharyngeal Airways 308
Nasopharyngeal Airways 308
Tracheal Intubation 308
Technique 308
Selection of Laryngoscope Blade 311
Endotracheal Tubes 311
Endotracheal Tube Insertion Distance 312
Complications of Tracheal Intubation 313
Postintubation Croup 313
Laryngotracheal (Subglottic) Stenosis 313
Laryngeal Mask Airway 314
Other Supraglottic Airway Devices 318
The Laryngeal Tube 318
The Cobra Perilaryngeal Airway 319
The i-gel 319
Summary 319
Airway Management: The Abnormal Airway 319
Classifying the Abnormal Pediatric Airway 319
Management Principles 320
Documentation 324
The Unexpected Difficult Intubation 325
Extubation of the Child With the Difficult Airway 326
Special Techniques for Ventilation 326
Multi-Handed Mask Ventilation Techniques 326
Laryngeal Mask Airway 326
Percutaneous Needle Cricothyroidotomy 326
Laryngeal Mask Airway Versus Percutaneous Needle Cricothyroidotomy and Transtracheal Jet Ventilation 329
Surgical Airway 329
Anterior Commissure Scope and Rigid Ventilating Bronchoscope 329
Special Techniques for Intubation 330
Rigid Laryngoscopy 330
Optimal External Laryngeal Manipulation 330
Intubation Guides 330
Dental Mirror 330
Retromolar, Paraglossal, or Lateral Approach Using a Straight Blade 330
Fiberoptic Laryngoscopy 330
Equipment 331
Ancillary Equipment 331
Direct Technique 332
Staged Techniques 332
Lighted Stylet 333
Bullard Laryngoscope 333
Retrograde Wire-Guided Intubation 333
Video and Indirect Intubating Devices 334
Videolaryngoscopes 334
Optical Laryngoscopes 335
Optical Stylets 336
Shikani Optical Stylet. 336
Storz Bonfils Optical Stylet. 337
Shikani Versus Storz Bonfils Optical Stylets. 337
Laryngeal Mask Airway as a Conduit for Intubation 337
The air-Q 337
Combined Techniques 338
Retrograde Wire and the Flexible Fiberoptic Bronchoscope 338
Rigid Laryngoscopy and the Flexible Fiberoptic Bronchoscope 338
Flexible Fiberoptic Bronchoscope Used in a Retrograde Manner 338
Retrograde Light–Guided Laryngoscopy 338
Acknowledgments 339
Annotated References 339
References 339.e1
15 Anesthesia for Thoracic Surgery 340
General Perioperative Considerations 340
Ventilation and Perfusion During Thoracic Surgery 340
Thoracoscopy 341
Techniques for Single-Lung Ventilation in Infants and Children 342
Use of a Single-Lumen Endotracheal Tube 342
Use of Balloon-Tipped Bronchial Blockers 343
Use of a Univent Tube 344
Use of Double-Lumen Tubes 344
General Considerations in the Management of Single-Lung Ventilation 347
Surgical Lesions of the Chest 348
Neonates and Infants 348
Childhood 352
Summary 353
Annotated References 353
References 354.e1
IV The Heart 355
16 Essentials of Cardiology 355
Congenital Heart Disease 355
Incidence 355
Segmental Approach to Diagnosis 356
Physiologic Classification of Defects 357
Volume Overload Lesions 357
Obstruction to Systemic Blood Flow 357
Obstruction to Pulmonary Blood Flow 358
Parallel Circulation 358
Single-Ventricle Lesions 358
Intrinsic Myocardial Disorders 358
Acquired Heart Disease 358
Cardiomyopathies 358
Myocarditis 360
Rheumatic Fever and Rheumatic Heart Disease 362
Infective Endocarditis 362
Causes and Treatment 362
Endocarditis Prophylaxis 363
Kawasaki Disease 363
Cardiac Tumors 364
Heart Failure in Children 364
Definition and Pathophysiology 364
Etiology and Clinical Features 364
Treatment Strategies 365
Anesthetic Considerations 365
Syndromes, Associations, and Systemic Disorders: Cardiovascular Disease and Anesthetic Implications 365
Chromosomal Syndromes 365
Trisomy 21 365
Trisomy 18 366
Trisomy 13 366
Turner Syndrome 366
Gene Deletion Syndromes 366
Williams Syndrome 366
Chromosome 22q11.2 Deletion Syndrome: DiGeorge and Velocardiofacial Syndrome 367
Single-Gene Defects 367
Noonan Syndrome 367
Marfan Syndrome 367
CHARGE Syndrome 368
Associations 368
VACTERL (or VATER) Association 368
Other Disorders 368
Selected Vascular Anomalies and Their Implications for Anesthesia 369
Aberrant Subclavian Artery 369
Persistent Left Superior Vena Cava to the Coronary Sinus 370
Evaluation of the Child With a Cardiac Murmur 370
Basic Interpretation of the Electrocardiogram in Children 371
Essentials of Cardiac Rhythm Interpretation and Acute Arrhythmia Management in Children 374
Basic Rhythms 376
Sinus Rhythm 376
Sinus Arrhythmia 376
Sinus Bradycardia 376
Sinus Tachycardia 376
Junctional Rhythm 376
Conduction Disorders 377
Bundle Branch Block 377
Atrioventricular Block 377
First-Degree Atrioventricular Block 377
Second-Degree Atrioventricular Block 377
Third-Degree Atrioventricular Block 377
Cardiac Arrhythmias 377
Supraventricular Arrhythmias 377
Premature Atrial Contractions or Beats 377
Supraventricular Tachycardia 377
Ventricular Arrhythmias 379
Premature Ventricular Contractions or Beats 379
Ventricular Tachycardia 379
Long QT Syndrome 379
Ventricular Fibrillation 381
Pacemaker and Defibrillator Therapy in the Pediatric Age Group 382
Pacemaker Nomenclature 382
Permanent Cardiac Pacing 382
Indications 382
Perioperative Considerations 382
Transcutaneous Pacing 383
Implantable Cardioverter-Defibrillators 383
Diagnostic Modalities in Pediatric Cardiology 383
Chest Radiography 383
Barium Esophagram 383
Echocardiography 384
Interpretation of an Echocardiographic Report 384
Measurements of Cardiac Chambers and Vessel Dimensions 384
Assessment of Ventricular Function 385
Estimation of Pressures 385
Evaluation of Gradients 385
Evaluation of Regurgitant Lesions 386
Magnetic Resonance Imaging 386
Computed Tomography 386
Cardiac Catheterization and Angiography 387
Interpretation of a Cardiac Catheterization Report 389
Pressure Data 389
Shunt Calculations 389
Cardiac Output Determinations 389
Vascular Resistances 389
Perioperative Considerations for Children With Cardiovascular Disease 389
General Issues 389
Clinical Condition and Status of Prior Repair 391
Summary 391
Acknowledgment 392
Annotated References 392
References 392.e1
17 Anesthesia for Children Undergoing Heart Surgery 393
Preoperative Evaluation 393
The Preoperative Visit and Evaluation 394
Medical Assessment 394
Prescribing Premedication 394
Giving Information 394
Creating Rapport With the Child and Family 395
Formulating an Anesthetic Plan 395
Upper Respiratory Tract Infection and Cardiac Surgery 395
Perioperative Challenges in Pediatric Cardiac Anesthesia 395
Cyanosis 395
Intracardiac Shunting 395
Restrictive and Unrestrictive Shunts 395
Dependent Shunting During Anesthesia 396
Impaired Hemostasis 396
Strategies to Reduce Bleeding After Bypass 396
Antifibrinolytics 397
Topical Agents 397
Ultrafiltration 397
Desmopressin 397
Anesthesia Management for Surgery Requiring Cardiopulmonary Bypass 398
Monitoring 398
Transesophageal Echocardiography 399
Near-Infrared Spectroscopy 399
Induction of Anesthesia 399
Maintenance of Anesthesia 400
Institution and Separation From Bypass 400
Control of Systemic and Pulmonary Vascular Resistance During Anesthesia 401
Anesthetic Drugs Used in Pediatric Cardiac Anesthesia 402
Inhalational Agents 402
Sevoflurane 402
Isoflurane 402
Halothane 402
Nitrous Oxide 402
Intravenous Induction Agents 403
Ketamine 403
Etomidate 403
Propofol 403
Opioids 403
Fentanyl 403
Sufentanil 404
Remifentanil 404
Neuromuscular Blocking Drugs 404
Long-Term Neurocognitive-Developmental Outcomes Associated With Anesthesia 404
Regional Anesthesia 404
Fast Tracking 405
Cardiopulmonary Bypass 405
Stress Response to Cardiac Surgery 405
Reducing the Stress Response to Surgery and Bypass 406
Corticosteroids 406
Aprotinin 406
Allopurinol 406
Ischemic Preconditioning 406
Glucose-Insulin and Potassium 407
Anesthesia Considerations for Specific Cardiac Defects 407
Simple Left-to-Right Shunts 407
Atrial Septal Defect 408
V The Brain and Glands 561
24 Essentials of Neurology and Neuromuscular Disorders 561
General Considerations 561
Static Neurologic Disorders 562
Cerebral Palsies 562
Multisystem Comorbidities 562
Anesthesia Considerations for Cerebral Palsies 563
Malformations of the Nervous System 563
Neural Tube Defects: Cranial and Spinal Dysraphism 564
Chiari Malformation 564
Syringomyelia 565
Hydrocephalus 565
Disorders of Ventral Induction 566
Disorders of Cortical Development 566
Progressive Neurologic Disorders 566
Primary Brain Tumors 566
Metabolic Disease 567
Anesthesia Considerations for Progressive Neurologic Disorders 568
Neuromuscular Disorders 568
Disorders of the Anterior Horn Cell 568
Spinal Muscular Atrophies 568
Anesthesia Considerations for Spinal Muscular Atrophies 570
Poliomyelitis 570
Axonal Disorders 570
Hereditary Neuropathies 570
Acquired Disorders of the Peripheral Nerves 570
Guillain-Barré Syndrome 570
Chronic Inflammatory Demyelinating Polyneuropathy 571
Nerve Palsies 571
Disorders of the Neuromuscular Junction 571
Myasthenia Gravis 571
Neonatal Transient Myasthenia Gravis 572
Congenital Myasthenic Syndromes 572
Anesthesia Considerations for Myasthenia Gravis 572
Myasthenia-Like Syndrome 572
Disorders of Muscle Fibers 572
Myopathies 572
Congenital Myopathies 572
Metabolic Myopathies 573
Mitochondrial Disorders Underlying Myopathies 574
Anesthesia Considerations for Myopathies 574
Muscular Dystrophies 575
Myotonic Dystrophy 576
Dystrophinopathies 576
Anesthesia Considerations for Muscular Dystrophies 578
Undiagnosed Myopathy 578
Epilepsy 579
Summary 580
Annotated References 580
References 580.e1
25 Surgery, Anesthesia, and the Immature Brain 581
Background 581
Normal Brain Development 582
Effects of Anesthetic Exposure on the Developing Brain 583
Apoptotic Cell Death 583
Long-Term Brain Cellular Viability, Neurologic Function, and Behavior 585
Effects on Neurogenesis and Gliogenesis 586
Alterations in Dendritic Architecture 586
Decrease in Trophic Factors 586
Degeneration of Mitochondria 586
Abnormal Reentry Into Cell Cycle 587
Destabilization of the Cytoskeleton 587
Effects on the Developing Spinal Cord 587
Putative Mechanisms for Neurotoxicity 587
Specific Anesthetic and Sedative Agents 588
Ketamine 588
Inhalational Anesthetics 588
Nitrous Oxide 589
Xenon 589
Benzodiazepines 589
Chloral Hydrate 589
Barbiturates 590
Propofol 590
Dexmedetomidine 590
Opioid Analgesics 590
Exposure Time, Dose, and Anesthetic Combinations 591
Deleterious Effects of Untreated Pain and Stress 591
Potential Alleviating Strategies 592
Anesthetic Neuroprotection 592
Critical Evaluation of Animal Studies and Interspecies Comparisons 593
Duration of Exposure 593
Anesthetic Doses 594
Experimental Versus Clinical Conditions 595
Comparative Brain Development 595
Assessing Neurobehavioral or Cognitive Outcomes 596
Long-Term Outcome in Children Exposed to Anesthesia and Surgery 596
Outcome After Exposure to Anesthesia Outside of the Operating Room 600
Limitations of the Available Clinical Studies 601
Future Research 602
Recommendations for Clinical Practice 602
Annotated References 603
References 603.e1
26 Pediatric Neurosurgical Anesthesia 604
Pathophysiology 604
Intracranial Compartments 604
Intracranial Pressure 604
Herniation Syndromes 605
Signs of Increased Intracranial Pressure 605
Monitoring Intracranial Pressure 605
Intracranial Compliance 605
Cerebral Blood Volume and Cerebral Blood Flow 606
Cerebral Perfusion Pressure 606
Cerebrovascular Autoregulation 606
Effects of Blood Pressure 606
Effects of Oxygen 607
Effects of Carbon Dioxide 607
Management of Anesthesia 607
Preoperative Evaluation 607
History 607
Physical Examination 608
Laboratory and Radiologic Evaluation 608
Premedication 608
Monitoring 608
Induction 609
Airway Management and Intubation 609
Neuromuscular Blocking Drugs 609
Positioning 610
Prone Position 610
Modified Lateral Position 611
Sitting Position 611
Local Anesthesia 611
Maintenance of General Anesthesia 612
Apoptotic Neurodegeneration 613
Blood and Fluid Management 613
Temperature Control 614
Venous Air Emboli 614
Emergence 615
Special Situations 616
Trauma 616
Head Injury 616
Scalp Injuries 616
Skull Fractures 617
Epidural Hematoma 617
Subdural Hematoma 617
Intracerebral Hematoma 618
Spinal Injury 618
Craniotomy 619
Tumors 619
Vascular Anomalies 620
Arteriovenous Malformations 620
Aneurysms 620
Moyamoya Disease 621
Seizure Surgery 622
Hydrocephalus 623
Congenital Anomalies 625
Encephalocele 625
Myelodysplasia 625
Chiari Malformations 626
Other Spinal Defects 627
Neuroradiologic Procedures 627
Acknowledgments 627
Annotated References 628
References 628.e1
27 Essentials of Endocrinology 629
Diabetes Mellitus* 629
Classification and Epidemiology in Children 629
General Management Principles 630
Metabolic Response to Surgery 631
Metabolic Response to Anesthesia 631
Adverse Consequences of Hyperglycemia 631
Preoperative Assessment 632
Preoperative Management 632
Major Surgery and Intravenous Insulin Infusions 634
Special Considerations for Preoperative Management of Type 2 Diabetes 634
Intraoperative Management 634
Postoperative Management 637
Special Surgical Situations 638
Diabetes Insipidus 641
Diagnosis of Neurosurgical Diabetes Insipidus: The Triple-Phase Response 641
Perioperative Management of Minor Procedures 642
Perioperative Management of Major Procedures 643
New Perioperative Diagnosis 643
Postoperative Management 643
Post–Intensive Care Unit Management 643
Syndrome of Inappropriate Antidiuretic Hormone Secretion 643
Perioperative Management 644
Thyroid Disorders 644
Hypothyroidism 645
Classification and Epidemiology 645
Biochemical Tests of Thyroid Function 645
Clinical Manifestations 645
Neonatal Hypothyroidism 645
Treatment 645
Preoperative Management 646
Sick Euthyroid Syndrome 646
Hyperthyroidism 646
Classification and Epidemiology 646
Graves Disease 646
Thyroiditis 646
Clinical Manifestations 647
Treatment 647
Perioperative Management 647
Parathyroid and Calcium Disorders 648
Physiology of Calcium Homeostasis 648
Hypocalcemia 649
Neonatal Hypocalcemia 649
Childhood Hypocalcemia 649
VI The Abdomen 655
28 Essentials of Nephrology 655
Renal Physiology 655
Fluids and Electrolytes 655
Acid-Base Balance 656
Disease States 657
Acute Renal Failure and Acute Kidney Injury 657
Etiology and Pathophysiology 657
Diagnostic Procedures 658
Therapeutic Interventions 659
Hemodialysis 660
Peritoneal Dialysis 661
Chronic Renal Failure 661
Hematologic Problems 662
Cardiovascular Complications 663
Causes of Chronic Renal Failure 663
Preoperative Preparation of the Child With Renal Dysfunction 663
Preoperative Laboratory Evaluation 664
Perioperative Dialysis 665
Medications 665
Intraoperative Management 665
Strategies for Renal Protection 665
Vascular Access 666
Environment 666
Fluids and Blood Products 666
Anesthetic Agents 666
Postoperative Concerns 668
Annotated References 668
References 668.e1
29 General Abdominal and Urologic Surgery 669
General Principles of Abdominal Surgery 669
“The Full Stomach”: The Risk for Pulmonary Aspiration of Gastric Contents 669
Rapid-Sequence Induction 669
Indications for Preoperative Nasogastric Tube Placement 670
Fluid Balance 670
Potential for Strangulated or Ischemic Bowel and Sepsis 671
Presence of Abdominal Compartment Syndrome 671
Preoperative Laboratory Testing and Investigations 671
Monitoring Requirements 672
Choice of Anesthetic 672
General Principles of Urologic Surgery 672
Reduced Renal Function 672
Systemic Arterial Hypertension 673
Corticosteroid Medications 673
Infection or Sepsis 673
Monitoring Requirements 673
Laparoscopic Surgery 673
Background 673
Adverse Effects of Pneumoperitoneum 675
Carbon Dioxide 675
Gas Emboli 675
Respiratory Effects 676
Cardiovascular Effects 676
Central Nervous System Effects 677
Renal Effects and Fluid Requirements 677
Pain Management 678
Robot-Assisted Surgery 678
Specific General Surgical and Urologic Conditions 678
Nissen Fundoplication 678
Pectus Excavatum 679
Circumcision 679
Hypospadias and Chordee 679
Cryptorchidism and Hernias: Inguinal and Umbilical 680
Torsion of the Testis 681
Posterior Urethral Valves 681
Prune-Belly Syndrome 681
Ureteral Reimplantation 682
Pyeloplasty 682
Nephrectomy 683
Neuroblastoma 683
Wilms Tumor 684
Bladder and Cloacal Exstrophy 685
Bariatric Surgery in Children 686
Multidisciplinary Approach to Bariatric Surgery in Adolescents 687
Anesthetic Implications of Obesity in Adolescents 687
Acknowledgments 689
Annotated References 689
References 689.e1
30 Essentials of Hepatology 690
Anatomy 690
Principles of Hepatic Drug Metabolism 690
Phase I Reactions 691
Cytochrome P-450 Activity 692
Phase II Reactions 692
Anesthetic Agents 693
Inhalation Anesthestc Metabolism 693
Neuromuscular Blocking Drugs 693
Sedatives, Opioids, and Liver Disease 693
Anesthetic Effects on Hepatic Cellular Functions 694
Carbohydrates 694
Protein Synthesis 694
Bilirubin Metabolism 694
Hepatotoxicity 694
Perioperative Considerations in Liver Disease 695
Annotated References 695
References 695.e1
31 Organ Transplantation 696
Liver Transplantation 696
Epidemiology and Demographics 696
Pathophysiology of Liver Disease 698
Cardiac Considerations 698
Pulmonary Considerations 698
Neurologic Considerations 699
Hematologic Considerations 699
Renal Manifestations 700
Metabolic Considerations 700
Preoperative Evaluation 700
Intraoperative Care 701
Surgical Technique 702
Hepatectomy (Stage 1) 702
Anhepatic Stage (Stage 2) 703
Reperfusion (Stage 3) 704
Biliary and Hepatic Artery Reconstruction (Stage 4) 704
Split Liver Techniques and Living Donor Liver Transplants 704
Outcomes 705
Immediate Postoperative Care 705
Long-Term Issues 706
Renal Transplantation 706
Pathophysiology 706
Surgical Technique 708
Anesthetic Management 708
Preoperative Evaluation 708
Anesthetic Induction 708
Monitors and Vascular Access 709
Maintenance of Anesthesia 709
Immediate Postoperative Management 709
Long-Term Issues 709
Infection 709
Malignancy 709
Summary 709
Cardiac Transplantation 710
Demographics and Epidemiology 710
Pathophysiology of the Disease 710
Congenital Heart Disease 711
Dilated Cardiomyopathy 711
Hypertrophic Cardiomyopathy 711
Restrictive Cardiomyopathy 711
Repeat Transplantation 711
Contraindications 711
Wait-List and Donor Selection 711
Preoperative Evaluation 712
Surgical Technique 713
Intraoperative Problems and Management 714
Immediate Postoperative Management 715
Survival and Quality of Life 717
Pediatric Lung and Heart-Lung Transplantation 719
Demographics and Epidemiology 719
Pathophysiology of the Disease 719
Preoperative Evaluation 720
Surgical Technique 720
Intraoperative Problems and Management 721
Immediate Postoperative Management 722
Long-Term Concerns 723
Annotated References 725
References 726.e1
VII Other Surgeries 727
32 Orthopedic and Spine Surgery 727
Scoliosis Surgery 728
Terminology, History, and Surgical Development 728
Classification 729
Pathophysiology and Natural History 730
Congenital, Infantile, and Juvenile Scoliosis: Early-Onset Scoliosis 730
Idiopathic Scoliosis 731
Neuromuscular Scoliosis 732
Risk Minimization and Improving Outcome From Surgical Intervention 733
Respiratory Function and Other Complications in the Early Postoperative Period 733
Early-Onset Scoliosis 734
VIII Emergencies 841
37 The Extremely Premature Infant (Micropremie) and Common Neonatal Emergencies 841
Physiology of Prematurity Related to Anesthesia 841
Respiratory System 841
Airway 841
Anatomic Differences and Work of Breathing 841
Lungs 842
Pulmonary Gas Exchange 842
Bronchopulmonary Dysplasia 843
Hyperoxia 843
Respiratory Control 843
Cardiovascular System 845
Immature Versus Adult Heart 845
Transition From Fetal to Neonatal Circulation 845
Patent Ductus Arteriosus 845
Persistent Pulmonary Hypertension and Inhaled Nitric Oxide 845
Neurologic Development 846
Immature Brain 846
Glucose and the Brain 846
Complications of Prematurity 848
Intraventricular Hemorrhage 848
Temperature Regulation 848
Renal and Metabolic Function 849
Renal Function 849
Fluid Management 849
Calcium Homeostasis 849
Glucose Homeostasis 850
Gastrointestinal and Hepatic Function 850
Hematologic Function 851
Anesthetics and the Neonate/Premature Infant 851
Anesthetics and the Immature Brain 851
Inhalational Anesthetics 852
Intravenous Anesthetics 852
Regional Anesthetics 853
Neonatal Surgical Emergencies 853
Preparation for Surgery 853
The “Urgent” Emergency 853
The Operating Room 853
Environment 853
Monitors 854
Oxygen Saturation 854
End-Tidal Carbon Dioxide 854
Invasive Monitors 854
Ventilator 854
Equipment Setup 854
Fluids and Medication 854
Bedside Procedures in the ICU 855
The Family 856
Emergency Surgery 856
Respiratory Pathology 856
Abnormalities of the Airway 856
Choanal Atresia 856
Laryngeal and Upper Tracheal Obstruction 856
Webs. 856
Congenital Subglottic Stenosis. 857
Subglottic Hemangioma. 857
Tracheoesophageal Fistula/Esophageal Atresia 858
Abnormalities of the Lung 859
Congenital Diaphragmatic Hernia 859
Congenital Lung Malformations 860
Congenital Bronchogenic and Pulmonary Cysts. 860
Congenital Lobar Emphysema. 860
Gastrointestinal Pathology 861
Obstructed Lesions 861
Hypertrophic Pyloric Stenosis 861
Duodenal Atresia and Meconium Ileus 862
Imperforate Anus 863
Compromised Intestinal Blood Supply 863
Inguinal Hernia 863
Necrotizing Enterocolitis 863
Omphalocele and Gastroschisis 864
Malrotation and Midgut Volvulus 865
Hirschsprung Disease 866
Ligation of Patent Ductus Arteriosus 866
Retinopathy of Prematurity 866
Annotated References 867
References 867.e1
38 Fetal Intervention and the EXIT Procedure 868
A Range of Anesthetic Options for Mother and Fetus 868
Mother 868
Local Anesthesia (Field Block) 869
Monitored Anesthesia Care 869
Regional Neuraxial Blockade 869
Regional Neuraxial Blockade With Sedation 869
General Anesthesia 869
Combined Regional and General Anesthesia 869
Fetus 869
Transplacental Access 869
Intramuscular Access 870
Intravascular Access 870
Intraamniotic Access 870
Fetal Development 870
Pathologic Lung Development 870
Fetal Cardiovascular Development 871
Fetal Oxygenation 871
Central and Peripheral Nervous System Development 873
Programming Effects 874
Fetal Monitoring 874
Use of Fetal Heart Rate Monitoring for Fetal Interventions 874
Use of Fetal Blood Sampling During Fetal Interventions 874
Fetal Electrocardiography 874
Fetal Pulse Oximetry 875
Near-Infrared Spectroscopy 875
Fetal Echocardiography 875
Doppler Ultrasonography of Fetal Cerebral Blood Flow 875
Physiologic Consequences of Pregnancy 875
Respiratory and Airway Considerations 875
Cardiovascular Considerations 876
Central and Peripheral Nervous Systems 876
Pharmacologic Consequences of Pregnancy 876
Induction 876
Neuromuscular Blocking Drugs 876
Inhalational Anesthetics 877
Fetal Preoperative Evaluation 877
Maternal Evaluation 877
Tocolysis and Tocolytic Agents 878
Hormonal Receptors in Labor 878
Treatment of Acute Preterm Labor 878
Nonsteroidal Antiinflammatory Drugs 878
β-Adrenergic–Mimetic Agents 878
Magnesium 878
Nitric Oxide Donors 879
Calcium-Channel Blockers 879
Pain Control 879
Fetal Complications of Tocolytic Therapy 879
Postoperative Pulmonary Edema 879
Congenital Cystic Adenomatoid Malformation: the Open Procedure 879
Congenital Cystic Adenomatoid Malformation of the Lung 879
Management 880
Operating Room Preparation 880
Induction 880
Maintenance 881
Intervention 881
Intraoperative Fetal Resuscitation 882
Closure 882
Postoperative Management 882
Other Diseases Eligible for Open Procedures 883
Pulmonary Sequestration 883
Bronchogenic Cysts and Mixed or Hybrid Pulmonary Lesions 883
Sacrococcygeal Teratoma 883
Hypoplastic Left Heart Syndrome: Percutaneous and Fetoscopic Procedures 883
Rationale for Fetal Cardiac Intervention 883
Defects Amenable to In-Utero Repair 884
Technical Aspects of Fetal Cardiac Interventions 884
Anesthetic Management for the Mother 884
Anesthetic Management for the Fetus 884
Intraoperative Fetal Resuscitation During Percutaneous Interventions 885
Postoperative Considerations 885
Other Diseases Eligible for Fetoscopic Procedures 885
Twin–Twin Transfusion Syndrome 885
Twin Reversed Arterial Perfusion Sequence 886
Needle Aspiration and Placement of Shunts 886
The EXIT Procedure 886
Fetal Diseases Eligible for the Exit Procedure 887
Cervical Teratoma 887
Cystic Hygroma 887
Congenital High Airway Obstruction Syndrome 888
Congenital Goiter 888
Exit to ECMO 888
Intraoperative Considerations 888
Uterine Relaxation and Perfusion 888
Surgical Procedure 888
Access to the Fetal Airway 888
Delivery of the Infant and Maternal Management 889
Postoperative Considerations 889
Movement Toward Intervention for Non–Life-Threatening Diseases: Myelomeningocele 889
Future Considerations 890
Annotated References 890
References 890.e1
39 Trauma 891
Epidemiology of Pediatric Trauma 891
Nonaccidental Trauma 892
Prehospital Care of the Pediatric Trauma Patient 893
Trauma Systems 893
Prehospital Airway Management 895
Emergency Department Evaluation and Management of the Pediatric Trauma Patient 896
Anesthesia Management of the Pediatric Trauma Patient 897
Preoperative Evaluation 899
Cervical Spine Evaluation 900
Airway Management 901
Cricoid Pressure 904
Volume Administration 905
Vascular Access 906
Damage Control Surgery 906
Pain Management 906
Future Directions in Pediatric Trauma 907
Summary 907
Acknowledgment 907
Annotated References 907
References 907.e1
40 Cardiopulmonary Resuscitation 908
Historical Background 908
Epidemiology, Prevention, and Outcome of In-Hospital Cardiopulmonary Arrest 909
Diagnosis of Cardiac Arrest 909
Mechanics of Cardiopulmonary Resuscitation 909
Airway 909
Breathing 910
Circulation 910
Mechanisms of Blood Flow 910
Rate and Duty Cycle 911
Defibrillation and Cardioversion 911
Electric Countershock 912
Practical Aspects of Defibrillation in Children 912
Open-Chest Defibrillation 913
Automated External Defibrillation 913
Transcutaneous Cardiac Pacing 913
Vascular Access and Monitoring During Cardiopulmonary Resuscitation 913
Vascular Access and Fluid Administration 913
Intravenous Access 913
Intraosseous Access 914
Endotracheal Medication Administration 914
Monitoring During Cardiopulmonary Resuscitation 914
Medications Used During Cardiopulmonary Resuscitation 915
α- and β-Adrenergic Agonists 915
Epinephrine 915
Vasopressin 915
Atropine 916
Sodium Bicarbonate 916
Calcium 916
Glucose 917
Amiodarone 917
Lidocaine 917
Special Cardiac Arrest Situations 918
Perioperative Cardiac Arrest 918
Hyperkalemia 918
Anaphylaxis 918
Supraventricular Tachycardia 919
Pulseless Electrical Activity 919
Adjunctive Cardiopulmonary Resuscitation Techniques 919
Open-Chest Cardiopulmonary Resuscitation 919
Extracorporeal Membrane Oxygenation 919
Active Compression-Decompression 919
Postresuscitation Stabilization (Post–Cardiac Arrest Care) 920
The 2015 AHA Pediatric Advanced Life Support Guidelines Update 920
Annotated References 920
References 920.e1
41 Malignant Hyperthermia 921
Clinical Presentation 922
Patient Evaluation and Preparation 924
Monitoring 925
Diagnosis 925
Management, Susceptibility Screening, and Counseling 927
Treatment 927
Stress-Triggered Malignant Hyperthermia 930
Postepisode Counseling 930
Genetics 931
Physiology 932
Normal Skeletal Muscle: Excitation-Contraction Coupling 932
Pathophysiology of Malignant Hyperthermia 932
Molecular Mechanisms and Physiologic Effects of Dantrolene 935
Laboratory Diagnosis 936
Contracture Testing 936
Genetic Testing 937
Other Disorders and Malignant Hyperthermia 937
Myopathic Syndromes 937
Malignant Hyperthermia Mimics 937
Malignant Hyperthermia–Like Syndrome in Pediatric Diabetes Mellitus 937
Disorders of Fatty Acid Metabolism 938
Neuroleptic Malignant Syndrome 938
Summary 939
Annotated References 939
References 939.e1
IX Pain 941
42 Regional Anesthesia 941
Pharmacology and Pharmacokinetics of Local Anesthetics 941
Amides 942
Bupivacaine 942
Ropivacaine 943
Lidocaine 943
Esters 943
Toxicity of Local Anesthetics 943
Prevention of Toxicity 945
Total Drug Dose 945
Site of Injection 945
Rate of Uptake 946
Alteration in Toxic Threshold 946
Technique of Administration 946
Treatment of Local Anesthetic Systemic Toxicity 947
Hypersensitivity to Local Anesthetics 948
Placement of Blocks in Patients Under General Anesthesia 948
Equipment 948
Use of Ultrasound 948
Use of a Nerve Stimulator 948
Specific Procedures 949
Central Neuraxial Blockade 949
Anatomic and Physiologic Considerations 949
Spinal Anesthesia 951
Technique 952
Selection of Drug 953
Neonates and Infants. 953
Children. 954
Complications 954
Epidural Anesthesia 954
Caudal Epidural Anesthesia 954
Technique. 954
Lumbar and Thoracic Epidural Anesthesia 957
Selection of Drug. 957
Continuous Epidural Infusions 957
Epidural Opioids 958
Adjunctive Drugs 958
Complications 958
Peripheral Nerve Blocks 960
Selection of a Local Anesthetic 960
Head and Neck Blocks 961
Supraorbital and Supratrochlear Nerve Block 961
Anatomy. 961
Technique. 961
X Special Topics 1077
46 Anesthesia Outside the Operating Room 1077
Standards and Guidelines 1078
Off-Site Anesthesia: Structure 1078
Personnel Requirements 1078
Specific Environmental Requirements 1079
Quality Assurance of Anesthesia Services and Outcome in the Off-Site Areas 1080
Anesthesia Versus Sedation for Non–Operating Room Procedures and Tests in Children 1080
Logistics of Managing Acute Emergencies and Cardiopulmonary Arrest Outside the Operating Room 1081
MRI Scanner 1081
Difficult Airway Management in the Non–Operating Room (Off-Site) Environment 1081
Specific Locations for Non–Operating Room Anesthesia 1082
Computed Tomography 1082
Nuclear Medicine 1084
Stereotactic Radiosurgery 1084
Radiation Therapy 1085
Magnetic Resonance Imaging 1086
Interventional Radiology 1088
Safety Radiation and Contrast Reactions 1089
Diagnostic Angiography 1089
Angiography With Embolization 1090
Sclerotherapy of Venous and Lymphatic Malformations 1091
Endoscopic Procedures 1093
Summary 1093
Acknowledgment 1094
Annotated References 1094
References 1094.e1
47 The Postanesthesia Care Unit and Beyond 1095
Perioperative Environment 1095
Transport to the Care Unit 1096
Arrival in the Care Unit 1097
Central Nervous System 1098
Pharmacodynamics of EMERGENCE 1098
EMERGENCE Agitation or Delirium 1098
Respiratory System 1100
Criteria for Extubation 1100
Extubation in the Operating Room or Postanesthesia Care Unit 1100
Hypoxemia 1100
Hypoventilation 1100
Airway Obstruction 1100
Respiratory Effort 1101
Discharge of Preterm Infants FROM the Postanesthesia Care Unit 1101
Cardiovascular System 1102
Bradycardia 1102
Tachycardia 1102
Other Arrhythmias 1102
Blood Pressure Control 1102
Hypotension 1102
Hypertension 1103
Renal System 1103
Gastrointestinal System 1103
Postoperative Nausea and Vomiting 1103
Evidence-Based Consensus Management 1103
Prophylactic Therapy 1103
Alternative Treatments 1104
Postoperative Care and Discharge 1104
Pain Management in the Postanesthesia Care Unit 1104
Temperature Management 1105
Discharge Criteria 1105
Beyond PACU: Postoperative Monitoring in the General Care Setting 1106
Acknowledgment 1107
Annotated References 1107
References 1108.e1
48 Sedation for Diagnostic and Therapeutic Procedures Outside the Operating Room 1109
The Evolution of Pediatric Sedation and the Anesthesiologist’s Role 1109
Sedation Depth 1110
The Concept of Levels of Sedation 1110
Sedation Scoring Systems 1111
Sedation Depth Versus Sedation Risk 1113
Guidelines 1113
Goals of Sedation 1117
The Concept of “Safety” 1117
Training and System Issues for Pediatric Procedural Sedation 1119
Documentation 1119
Specific Sedation Techniques 1120
Local Anesthetics 1121
Anxiolytics and Sedatives 1122
Barbiturates 1124
Opioids 1124
α2-Adrenoceptor Agonist: Dexmedetomidine 1125
Ketamine 1126
Summary and Future of Pediatric Sedation 1127
Annotated References 1127
References 1128.e1
49 Procedures for Vascular Access 1129
Venous Cannulation 1129
Peripheral Intravenous Cannulation 1129
Indications 1129
Equipment 1129
Practical Suggestions 1129
Index 1213
A 1213
B 1217
C 1219
D 1224
E 1226
F 1228
G 1229
H 1230
I 1233
J 1235
K 1235
L 1235
M 1237
N 1239
O 1241
P 1243
Q 1247
R 1247
S 1249
T 1251
U 1254
V 1255
W 1256
X 1256
Y 1256
Z 1256
Endsheet 5 IBC1
Endsheet 6 IBC2
Endsheet 7 IBC3
A Practice of Anesthesia for Infants and Children IBC4