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Sepsis, An Issue of Critical Care Clinics, E-Book

Sepsis, An Issue of Critical Care Clinics, E-Book

Mervyn Singer | Manu Shankar-Hari

(2017)

Additional Information

Book Details

Abstract

This issue of Critical Care Clinics, edited by Mervyn singer and Manu Shankar-Hari, includes: Sepsis 3.0 Definitions; Epidemiology and Outcomes; Pathophysiology of sepsis; Pathophysiology of Septic shock; Mechanism of organ dysfunction in sepsis; Endocrine and metabolic alterations in sepsis: challenges and treatments; The immune system in sepsis; Nutrition and Sepsis; Common sense approach to managing sepsis; Biomarkers for sepsis and their use; Personalizing sepsis care; Novel interventions - What’s new and the future; and Long term outcomes following Sepsis.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Sepsis i
Copyright \r ii
Contributors iii
CONSULTING EDITOR iii
EDITORS iii
AUTHORS iii
Contents vii
Preface: Caring for Sepsis Patients: An Update vii
Sepsis Definitions: A Work in Progress vii
Epidemiology and Outcomes vii
Immune Activation in Sepsis vii
Pathophysiology of Septic Shock viii
Mechanisms of Organ Dysfunction in Sepsis viii
Endocrine and Metabolic Alterations in Sepsis and Implications for Treatment viii
Management of Sepsis-Induced Immunosuppression viii
Nutrition Therapy in Sepsis ix
Common Sense Approach to Managing Sepsis ix
Biomarkers in Sepsis ix
Personalizing Sepsis Care ix
Novel Interventions: What’s New and the Future x
Improving Long-Term Outcomes After Sepsis x
CRITICAL CARE CLINICS\r xi
FORTHCOMING ISSUES xi
April 2018 xi
July 2018 xi
October 2018 xi
RECENT ISSUES xi
October 2017 xi
July 2017 xi
April 2017 xi
Preface:\rCaring for Sepsis Patients: An Update xiii
REFERENCES xiv
Sepsis Definitions 1
Key points 1
WHAT IS A DEFINITION, AND WHY IS IT IMPORTANT? 1
ANCIENT PERSPECTIVES 2
INFECTION AND THE GERM THEORY OF DISEASE 3
SEPSIS AS THE RESPONSE OF THE HOST 4
SEPSIS SYNDROME AND THE CONTEMPORARY CHALLENGE OF DEFINITION 5
THE AMERICAN COLLEGE OF CHEST PHYSICIANS/SOCIETY OF CRITICAL CARE MEDICINE SEPSIS DEFINITIONS CONFERENCE, 1991 6
THE SECOND SEPSIS DEFINITIONS CONFERENCE, 2001 6
SEPSIS-3 9
ORGAN DYSFUNCTION AS THE SEPSIS PHENOTYPE 10
SUMMARY: SEPSIS DEFINITIONS ARE A WORK IN EVOLUTION 11
REFERENCES 12
Epidemiology and Outcomes 15
Key points 15
INTRODUCTION 15
INCIDENCE AND TEMPORAL TRENDS OF SEPSIS 15
REASONS FOR VARIABILITY IN REPORTED INCIDENCE OF SEPSIS 16
Case Definitions 17
Impact of Sepsis-3 Definition on Estimates of Sepsis Epidemiology 17
Policies 17
Access to Care 18
SHORT-TERM MORTALITY 18
ETIOLOGY AND SITE OF INFECTION 19
Etiology 19
Site of Infection 20
RISK FACTORS FOR SEPSIS AND MORTALITY 21
Demographics 21
Socioeconomic Status and Race 21
SPECIAL POPULATIONS 22
Maintenance Dialysis 22
Immunodeficiency 22
Maternal Sepsis 22
Postoperative Patients 22
Trauma Patients 23
COST OF SEPSIS 23
Length of Intensive Care Unit and Hospital Stay 23
Financial Cost 23
SUMMARY 23
REFERENCES 24
Immune Activation in Sepsis 29
Key points 29
INTRODUCTION 29
Overview of Innate and Adaptive Immune System Response to Pathogens 30
Complement and Coagulation Cascades in Sepsis 30
Danger Signals and Sepsis 31
Danger Signal Sensors 31
Transduction of Danger Signals by Pattern Recognition Receptors 31
Amplification 31
Host Response Patterns in Sepsis 32
Cytokines and Other Mediators in Sepsis 32
Compartmentalization of Host Responses 32
How Immune Responses Become Dysregulated Remains Unclear 38
REFERENCES 38
Pathophysiology of Septic Shock 43
Key points 43
INTRODUCTION 43
PERIPHERAL VASODILATION 43
Norepinephrine, Epinephrine, and Phenylephrine 44
Dopamine 45
Vasopressin 45
Methylene Blue 45
Angiotensin II 46
Inotropic Agents to Complement Vasopressors in Septic Shock 46
ENDOTHELIAL INJURY, VASCULAR LEAK, AND PERMEABILITY 46
Therapies That Limit Increased Endothelial Permeability Could Limit Fluid Requirements and the Risk of Fluid Overload 47
HYPOVOLEMIA AND VOLUME RESUSCITATION 49
How Much Fluid? How Does One Monitor Adequacy of Fluid Resuscitation? 49
What Type of Fluid? 50
MYOCARDIAL DYSFUNCTION DURING SEPTIC SHOCK: PATHOGENESIS AND THERAPY 50
Pathogenesis of Sepsis-Induced Cardiac Dysfunction 50
RATIONAL DIAGNOSIS OF ACUTE SEPTIC HEART FAILURE 50
Therapy for Acute Sepsis-Induced Heart Failure: Should We Reject Inotropic and Chronotropic Agents and Focus on Increasing ... 52
Therapies to Reduce Heart Rate Beyond Esmolol 53
DISCLOSURE 54
REFERENCES 54
Mechanisms of Organ Dysfunction in Sepsis 63
Key points 63
INTRODUCTION 63
MICROVASCULAR DYSFUNCTION 64
Mechanisms of Microvascular Dysfunction: Endothelial Injury and Loss of Autoregulation 64
Consequences of Altered Microvascular Flow 66
METABOLIC REPROGRAMING 67
Resistance and Tolerance 67
Metabolic Reprogramming as a Cell Survival Strategy 68
Metabolic Reprogramming: From Oxidative Phosphorylation to Aerobic Glycolysis 70
Respiratory Electron Transport Chain Inhibition 70
Cellular Regulation of Mitochondria: Mitophagy and Biogenesis 70
Regulation of the Cell Cycle 72
ORGAN CROSSTALK 73
Autonomic Nervous System 74
SUMMARY 74
REFERENCES 74
Endocrine and Metabolic Alterations in Sepsis and Implications for Treatment 81
Key points 81
INTRODUCTION 81
THE NEUROENDOCRINE RESPONSES TO SEPSIS 83
The Hypothalamic-Pituitary-Adrenal Axis 83
The Hypothalamic-Pituitary-Thyroid Axis 85
The Somatotropic Axis 86
The Male Gonadal Axis and Prolactin 88
Summary of the Neuroendocrine Responses to Sepsis 88
METABOLIC RESPONSES TO SEPSIS 88
Stress Hyperglycemia 88
Anorexia and Artificial Feeding 90
SUMMARY AND FUTURE DIRECTIONS 91
REFERENCES 91
Management of Sepsis-Induced Immunosuppression 97
Key points 97
INTRODUCTION: THE PROCESS OF SEPSIS-INDUCED IMMUNOSUPPRESSION 97
MANAGEMENT GOALS AND STRATEGIES 98
Is There Still Room for Anti-inflammatory Strategies in Sepsis? 98
Extracorporeal Therapies 98
Intravenous Immunoglobulin 99
Interferon Gamma 99
Granulocyte Macrophage Colony-Stimulating Factor 100
Interleukin 7 100
Immune Checkpoint Inhibitors 101
PERSPECTIVES 101
Novel Design for Randomized Controlled Trial in Sepsis 101
Beyond Sepsis: Broadening the Area of Application 102
The Future 102
SUMMARY 103
REFERENCES 103
Nutrition Therapy in Sepsis 107
Key points 107
INTRODUCTION 107
MANAGEMENT GOALS FOR NUTRITION IN SEPSIS 108
Acute Catabolic Phase of Sepsis 108
Acute phase: adequate protein and moderated nonprotein calories 108
Chronic and Recovery Phase of Sepsis: Significantly Increased Protein and Calorie Needs 116
Chronic phase: postresuscitation increase in nutrition delivery 116
Recovery phase: continued increase in nutrition delivery needs: role of the Minnesota Starvation Study in intensive care un ... 116
Current Practice of Nutrition in Sepsis and Intensive Care Units Worldwide: Do We Already Hypocalorically Feed Our Patients ... 117
Intensive Care Unit/Hospital Discharge Nutrition Delivery to Optimize Recovery 118
Correction of Vitamin/Micronutrient Deficiencies and Specific Nutrient Delivery 119
Micronutrients and electrolytes 119
Thiamine 119
Vitamin C and antioxidants 119
Vitamin D 119
Glutamine 120
Lipids 120
SUMMARY 121
REFERENCES 121
Common Sense Approach to Managing Sepsis 127
Key points 127
THE SURVIVING SEPSIS CAMPAIGN GUIDELINES AND CARE BUNDLES 128
HOW SHOULD THE SURVIVING SEPSIS CAMPAIGN GUIDELINES BE USED? 128
HOW TO MANAGE THE PATIENT WITH SEPSIS? 129
IDENTIFICATION OF PATIENTS WITH SEPSIS 129
INITIAL RESUSCITATION AND ONGOING CIRCULATORY MANAGEMENT 130
Fluid Therapy 130
Vasopressors 133
Inotropes 133
Blood Transfusion 134
Hemodynamic Monitoring 134
ANTIMICROBIAL THERAPY 134
PERSPECTIVE 135
REFERENCES 135
Biomarkers in Sepsis 139
Key points 139
INTRODUCTION 139
TRADITIONAL (PROTEIN) BIOMARKERS 141
NEW BIOMARKERS DERIVED FROM OMICS RESEARCH 143
RNA Biomarkers 144
Proteomics and Metabolomics 146
FUTURE PERSPECTIVES 148
REFERENCES 149
Personalizing Sepsis Care 153
Key points 153
PROTOCOLS, GUIDELINES, AND PROCESS OF CARE 153
INDIVIDUALIZED PHYSIOLOGIC ENDPOINTS 154
SEPSIS — AN UMBRELLA SYNDROME 155
SEPSIS — A SERIES OF BIOLOGICAL PHENOTYPES WITH DIFFERING OUTCOMES 156
SEPSIS — OUTCOMES DIFFER BY INTERVENTION ACCORDING TO BIOLOGICAL PHENOTYPE 157
TRIAL DESIGN 157
REFERENCES 158
Novel Interventions 161
Key points 161
INTRODUCTION 161
PHARMACOLOGIC TREATMENT OPTIONS 162
Endothelial Cell Protection 162
Vasopressin 162
Interferon-beta 162
Thrombomodulin 163
Other experimental agents 163
Immunostimulation 164
Granulocyte-colony stimulating factor and granulocyte-macrophage colony stimulating factor 164
Interferon-gamma 164
Interleukin-7 and interleukin-15 164
Programmed cell death 1 and programmed death ligand 1 165
NONPHARMACOLOGIC EXPERIMENTAL TREATMENT OPTIONS 166
Blood Purification 166
CHALLENGES 168
SUMMARY 169
REFERENCES 169
Improving Long-Term Outcomes After Sepsis 175
Key points 175
INTRODUCTION 175
MANAGEMENT GOALS 176
In the Intensive Care Unit 176
In the Hospital 177
After Discharge 178
PHARMACOLOGIC STRATEGIES 179
Treatment of Sepsis 179
Stress Ulcer Prophylaxis 179
Pharmacologic Management of Pain and Agitation 179
Medications Associated with Intensive Care Unit–Acquired Weakness 179
Medication Reconciliation and Titration 180
NONPHARMACOLOGIC STRATEGIES 180
Intensive Care Unit Diaries 180
Early Activity and Mobility 180
Cognitive Therapy 181
Family Engagement 181
Intensive Care Unit Follow-up Clinics 181
SELF-MANAGEMENT STRATEGIES 182
Symptom Management 182
Exercise and Rehabilitation 182
Peer-to-Peer Support 182
EVALUATION, ADJUSTMENT, RECURRENCE 182
Evaluation 182
Adjustment 182
Recurrence 183
SUMMARY 183
REFERENCES 183