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Neonatology

Neonatology

Will Carroll

(2016)

Additional Information

Book Details

Abstract

Neonatology is a new e-book in a collection of subject-themed e-books containing relevant key articles from Paediatrics & Child Health. The e-books provide a perfect source of revision for post-graduate exams in paediatrics and portfolio material for life-long learning.

As well as mapping to the requirements of post-graduate training in paediatrics, these e-books also enable anyone with a short-term interest in a specific area to buy individual articles at a price-point that will give affordable access to all readers (from medical students to GPs and practitioners in related areas). The quality of user experience on mobiles, tablets and laptops will be an added bonus for learning on the move.

About the journal

The parent journal (http://www.paediatricsandchildhealthjournal.co.uk/) is a rolling, continuously updated review of clinical medicine over a 4-year cycle covering all the important topics for post-graduate exams in paediatrics. The journal’s articles are refreshed, updated, augmented or replaced as appropriate each time the subject is due for revision to provide a concise overview of knowledge and practice core to the curriculum. Each article is written by invited experts and overseen by the relevant subject specialist on the Board. A trainee representative on the Board ensures relevance and accessibility for exam candidates.


Table of Contents

Section Title Page Action Price
Front Cover Cover
Neonatology: Prepare for the MRCPCH Fm-1
Copyright Page Fm-2
PREFACE Fm-4
Table of Contents Fm-5
Cardiovascular support during neonatal intensive care 1
Introduction 1
Cardiovascular physiology 1
Management 3
Inotropes 4
Vasopressin 5
Summary 6
Financial support received 7
FURTHER READING 7
Preterm patent ductus arteriosus: are we any closer to knowing when to treat? 8
Introduction 8
Ultrasound and the ductus 8
Early preterm ductal behaviour 8
Treatment of the preterm ductus arteriosus 9
If you are going to treat, what to treat with? 9
If you’re going to treat, when to treat? 10
Symptomatic treatment 10
Pre-symptomatic treatment 10
Prophylactic treatment 11
What’s the role of surgical ligation? 11
How should I manage a PDA in 2014? 11
What next: very early ultrasound targeted treatment? 11
FURTHER READING 12
Echocardiography and the neonatologist 13
Part 1: Overview of practice 13
Part 2 13
Summary 16
FURTHER READING 16
Preventing necrotising enterocolitis in very preterm infants: current evidence 17
Epidemiology and outcomes 17
Pathogenesis and risk factors 17
Genetic contribution 17
Enteral feeding 17
Breast milk versus formula milk 17
Timing of introduction and rate of advancement of enteral feeds 18
Competing outcomes 18
Intra-uterine growth-restriction 19
“SIFT” 20
Standardised feeding protocols 20
“Immuno-nutrition” 20
Immunoglobulin 20
Probiotics 21
Prebiotics 21
Lactoferrin supplementation 21
The ELFIN trial 21
Immuno-nutrition: glutamine and arginine 21
Other modifiable risk factors 21
Conclusion 22
FURTHER READING 22
Neonatal sepsis 23
Definition 23
Early-onset sepsis (EOS) 23
Late-onset sepsis 23
Risk factors 23
Presentation 24
Physical examination 25
Investigations 25
Haematological investigation 25
Polymerase chain reaction (PCR) 26
Treatment of neonatal sepsis 26
Antibiotic choices for early-onset infection 26
Antibiotic choices for late-onset infection 26
Monitoring response to therapy 26
Length of treatment 26
Potential hazards of antibiotics 27
Feeding and infection prevention 27
Summary and practice points 27
FURTHER READING 27
Management of neonatal jaundice 28
Introduction 28
Prevention 28
The bilirubin/albumin ratio 28
Assessing the level of serum bilirubin 28
Transcutaneous bilirubinometry 29
Invasive blood sampling 29
Diagnostic approaches 29
Jaundice with a pathological cause 29
Early-onset jaundice 29
Prolonged jaundice 30
Cholestatic or conjugated jaundice 31
be overstated.Clinical management of the jaundiced infant 31
Phototherapy 31
Pharmacological agents 31
Exchange transfusion 31
Guidelines for the use of phototherapy and exchange transfusion 32
Future monitoring and adherence to best practice 33
FURTHER READING 33
Hypoxic ischaemicencephalopathy 34
Introduction 34
Cellular effects 34
Neuronal injury 34
Biochemical cascades 34
Vascular effects 36
Genetic 36
Forms of cell death: necrosis and apoptosis 36
Neuropathology 36
Neuroprotective strategies 37
Summary 37
FURTHER READING 37
Protecting the brain of term\rinfants: from bench to\rbedside 39
Introduction 39
A brief history of hypothermia 39
Early clinical studies 40
Randomised controlled trials 40
Meta-analysis of trial data 40
Translation into clinical practice 40
The future of neuroprotection in the term infant 44
Conclusion 44
FURTHER READING 44
White matter damage in the preterm neonate 46
Introduction 46
Cells of the central nervous system 46
Pathophysiology 46
Pathology 48
Conclusions 48
FURTHER READING 48
Modifiable risk factors for preterm brain injury 50
Introduction 50
Types of preterm brain injury 50
Modifiable risk factors for preterm brain injury 51
Future directions 54
Role of the funding source 54
FURTHER READING 54
MRI brain imaging in neonates 56
Introduction 56
Normal myelination 56
Hypoxic-ischaemic encephalopathy 56
Acute profound hypoxic-ischaemic injury 57
Prolonged partial hypoxic-ischaemic injury 57
Image modification by therapeutic cooling 57
Advanced MRI techniques in hypoxic-ischaemic encephalopathy 58
Neonatal infarction 58
Neonatal hypoglycaemia 58
White matter injury of prematurity 58
White matter injury in term infants 59
Complications of preterm germinal matrix haemorrhage 59
Meningitis 60
Viral encephalitis 61
FURTHER READING 61
Neonatal brain injury: insult, injury and impact in the term infant 62
Introduction 62
Hypoxia-ischaemic encephalopathy 62
Perinatal stroke 63
Kernicterus 64
Hypoglycaemia 64
Infection 65
Summary 67
FURTHER READING 67
Overview of assisted ventilation in the newborn 68
Introduction 68
Physiology of ventilation 68
Mechanical ventilation 68
Methods of providing mechanical respiratory support include 69
Patient triggered modes include 69
Hybrid modes 71
Non tidal assisted ventilation 71
Current evidence 71
Conclusions 72
FURTHER READING 73
A review of non-invasive ventilation support in neonates 74
Introduction 74
Pathophysiology of respiratory insufficiency in preterm infants 74
NCPAP 74
Bubble CPAP 76
Nasal intermittent positive pressure ventilation (NIPPV) 76
Bilevel positive airway pressure (BiPAP) 76
Heated humidified high flow nasal cannula (HHFNC) 76
Summary 77
FURTHER READING 77
Diagnosis and management of pulmonary hypertension of the newborn 79
Introduction 79
Pathogenesis and physiology 79
Examination 79
Investigations 80
Other investigations to consider 80
Management 81
Extra corporeal membrane oxygenation (ECMO) 82
Novel therapies 82
Outcome 82
Conclusion 82
FURTHER READING 82
Management of congenital diaphragmatic hernia 90
Introduction 90
Antenatal care (fetal CDH) 90
Newborn management ‒ postnatal care 91
Stabilization 91
Surgery 92
FURTHER READING 93
Management of bronchopulmonary dysplasia 94
Introduction 94
Prevention of bronchopulmonary dysplasia 94
Treatment of evolving bronchopulmonary dysplasia 96
Management of established bronchopulmonary dysplasia 97
Management in the community 97
Conclusion 98
FURTHER READING 98
The pathophysiology of respiratory distress syndrome in neonates 99
Introduction 99
Risk factors for RDS 99
Fetal stages of lung development 100
Surfactant 101
The pathophysiology of RDS 102
Alternative causes for respiratory distress of the newborn 103
Summary 104
FURTHER READING 104
Minimizing the risk of respiratory distress syndrome 105
Introduction 105
Pathophysiology 105
Prevention strategies 105
Conclusion 108
FURTHER READING 109
Management of neonatal respiratory distress syndrome 110
Introduction 110
Prenatal care 110
Delivery room stabilization strategies 110
Respiratory support and surfactant 111
Mechanical ventilation strategies 112
Strategies to avoid or reduce mechanical ventilation 113
Supportive care 113
Respiratory distress in term babies 113
Summary 114
FURTHER READING 114
Causes and management of pulmonary air leaks 115
Introduction 115
Pathophysiology 115
Pneumothorax 115
Pulmonary interstitial emphysema 117
Pneumomediastinum 117
Pneumopericardium 117
Pneumoperitoneum 118
Systemic air embolism 118
Subcutaneous emphysema 118
Funding source 118
Role of funding source 118
FURTHER READING 118
Causes and management of pulmonary haemorrhage in the neonate 120
Introduction 120
Incidence 120
Pathogenesis 120
Aetiology 120
Clinical features 121
Investigations 121
Treatment 121
Complications 122
Mortality 122
FURTHER READING 122
Management of meconium aspiration syndrome 124
Introduction 124
Management 124
Perinatal management 125
Postpartum management 125
Outcome 126
Conclusions 127
FURTHER READING 127
Postnatal metabolic adaptation and neonatal hypoglycaemia 128
Introduction 128
Metabolic changes at birth 128
Clinical significance of impaired metabolic adaptation 128
Causes of impaired neonatal metabolic adaptation 128
Diagnosis of clinically significant hypoglycaemia 129
Prevention and management of neonatal hypoglycaemia 130
Summary 132
FURTHER READING 132
Resuscitation of the term and preterm infant 133
Background 133
Resuscitation and support of transition of term infants at birth 133
Breathing 137
Circulation 137
FURTHER READING 139
Respiratory support for preterm infants — the Cochrane evidence and beyond 140
Introduction 140
Lung development 140
Support strategies before birth 140
Respiratory support at birth 141
Ongoing respiratory support: mechanical ventilation 141
Weaning and extubation from mechanical ventilation 143
Non-invasive respiratory support 143
Weaning from respiratory support 144
Summary and future perspectives 144
FURTHER READING 144
Congenital brachial plexus palsy 145
Introduction 145
Pathophysiology 145
Diagnosis 145
Classification and natural history 146
Associations 146
Differential diagnosis 146
Initial physical examination and investigations 147
Further management 147
Electrodiagnostic studies 147
Radiological studies 147
Surgical management e primary 148
Surgical management e secondary 148
Post-operative management 148
Pain and brachial plexus palsy 149
FURTHER READING 149
Early care of the preterm infant — current evidence 150
Introduction 150
Before birth 150
Delivery suite management 150
Early NICU care 153
Conclusion 154
FURTHER READING 154
Temperature monitoring and control in the newborn baby 155
Introduction 155
Thermoregulation 155
Thermoregulation and outcome 155
Temperature measurement 156
Variation due to device and measurement method 157
How best to maintain temperature 157
Conclusions 158
FURTHER READING 158
Understanding blood gases/acid—base balance 159
Introduction & terminology 159
Normal acidebase regulation 159
Disturbances of acidebase balance 161
Implications of acid ‒ base disorders 163
Invasive & non-invasive blood gas analysis in the neonatal unit 163
Clinical interpretation of blood gases 164
FURTHER READING 164
Recognition and management of neonatal seizures 166
Introduction 166
Pathophysiology 166
Clinical features 167
Aetiology 167
Management of neonatal seizures 168
Prognosis 171
FURTHER READING 171
The role of brain MRI scanning in the newborn 172
Introduction 172
The newborn brain 172
Diseases leading to brain injuries in newborns 172
MRI sequences available for brain newborn imaging 173
Brain MRI for clinical purposes 174
Brain MRI for research purposes 174
Safety of brain MRI scanning in the newborn 175
Conclusions 175
FURTHER READING 175