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ویرایش: [7 ed.] نویسندگان: Martin Keszler, Gautham Suresh, Jay P. Goldsmith سری: ISBN (شابک) : 9780323761772, 0323761771 ناشر: Elsevier سال نشر: 2022 تعداد صفحات: [770] زبان: English فرمت فایل : PDF (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) حجم فایل: 76 Mb
در صورت تبدیل فایل کتاب Goldsmith’s Assisted Ventilation of the Neonate: An Evidence-Based Approach to Newborn Respiratory Care به فرمت های PDF، EPUB، AZW3، MOBI و یا DJVU می توانید به پشتیبان اطلاع دهید تا فایل مورد نظر را تبدیل نمایند.
توجه داشته باشید کتاب تهویه با کمک گلداسمیت نوزاد: رویکردی مبتنی بر شواهد برای مراقبت تنفسی نوزاد نسخه زبان اصلی می باشد و کتاب ترجمه شده به فارسی نمی باشد. وبسایت اینترنشنال لایبرری ارائه دهنده کتاب های زبان اصلی می باشد و هیچ گونه کتاب ترجمه شده یا نوشته شده به فارسی را ارائه نمی دهد.
یک مرجع ضروری برای کل NICU، تهویه کمکی نوزادان گلداسمیت، ویرایش هفتم، تنها راهنمای کاملاً جامع و مبتنی بر شواهد برای همه جنبههای این زمینه در حال تغییر است. این مرجع قابل اعتماد آسان برای استفاده و دامنه چند رشته ای، راهنمایی معتبری در مورد مدیریت معاصر بیماری های تنفسی نوزادان، با تاکید بر پیشرفت های دارویی و تکنولوژیکی مبتنی بر شواهد که نتایج و کیفیت زندگی در نوزادان را بهبود می بخشد، ارائه می دهد. این یک منبع برجسته برای متخصصان نوزادان و متخصصان NICU است تا دانش و تکنیک های جدیدی را در این حوزه حیاتی مراقبت از نوزادان به دست آورند. تمام جنبه های مدیریت تنفسی اولیه و پیشرفته نوزادان را پوشش می دهد: اصول و مفاهیم کلی. روشهای ارزیابی، تشخیص و نظارت؛ مداخلات تنفسی درمانی؛ مداخلات کمکی؛ و موقعیت ها و نتایج خاص. محتوای به روز شده در مورد فناوری در حال تغییر سریع و دستورالعمل هایی برای تهویه کمکی، با توضیحات به روز در مورد روش های کنار تخت و منطق ارائه انواع مراقبت از ونتیلاتور در نوزادان ارائه می دهد. شامل فصول جدید در مورد تهویه گاز تنفسی، تشخیص و مدیریت PPHN، مراقبت از نوزاد مبتلا به CDH، شکاف در دانش، و مسیرهای آینده است. شامل به روز رسانی های قابل توجه در ارزیابی و مدیریت قلبی عروقی، و همچنین عوارض حمایت تنفسی است. پشتیبانی بصری گسترده و تمام رنگی را با عکسها، نقشهها، نمودارها و نمودارها و تصاویر رادیوگرافی در سراسر ارائه میکند. دارای بیش از 30 ضمیمه است که به شما کمک می کند تا به سرعت مقادیر عادی، نمودارهای ارزیابی، نمودارهای جریان ICU، مراحل رویه و سایر فرم های مفید و قابل چاپ را پیدا کنید.
A must-have reference for the entire NICU, Goldsmith’s Assisted Ventilation of the Neonate, 7th Edition, is the only fully comprehensive, evidence-based guide to all aspects of this fast-changing field. Easy to use and multidisciplinary in scope, this trusted reference provides authoritative guidance on contemporary management of neonatal respiratory diseases, with an emphasis on evidence-based pharmacologic and technologic advances that improve outcomes and quality of life in newborns. It’s an outstanding resource for neonatologists and NICU professionals to acquire new knowledge and techniques in this critical area of neonatal care. Covers all aspects of both basic and advanced respiratory management of neonates: general principles and concepts; assessment, diagnosis and monitoring methods; therapeutic respiratory interventions; adjunctive interventions; and special situations and outcomes. Provides updated content on rapidly changing technology and guidelines for assisted ventilation, with up-to-date descriptions of bedside methodologies and the rationale for providing all types of ventilator care in infants. Contains new chapters on respiratory gas conditioning, diagnosis and management of PPHN, care of the infant with CDH, gaps in knowledge, and future directions. Includes significant updates on cardiovascular assessment and management, as well as complications of respiratory support. Provides extensive, full-color visual support with photographs, drawings, charts and diagrams, and radiographic images throughout. Features more than 30 appendices that help you quickly find normal values, assessment charts, ICU flow charts, procedure steps and other useful, printable forms.
Front Cover About the pagination of this eBook Inside front cover Front matter Goldsmith’s assisted ventilation of the neonate: An evidence-based approach to newborn respiratory care Copyright Contributors Foreword Preface Table of Contents Section 1 History, Pulmonary Physiology, and General Considerations 1 Introduction and historical aspects History of neonatal ventilation: Earliest reports Sixteenth and seventeenth centuries Eighteenth and nineteenth century Twentieth century Breakthroughs in ventilation Recent advances and outcomes Key references 2 Physiologic principles Basic biochemistry of respiration: Oxygen and energy Ontogeny recapitulates phylogeny: A brief overview of developmental anatomy Lung development Phases of lung development Embryonic phase (weeks 3 to 6): Development of proximal airways Pseudoglandular phase (weeks 6 to 16): Development of lower conducting airways Canalicular phase (weeks 16 to 26): Formation of gas-exchanging units or acini Terminal sac phase (weeks 26 to 36): Refinement of acini Alveolar phase (week 36 to 3 years): Alveolar proliferation and development Mechanics Compliance Static compliance Dynamic compliance Resistance Flow rate Airway or tube length Airway or tube diameter Viscosity and density Work of breathing Time constant Gas transport Mechanisms of gas transport Oxygenation Effects of altering ventilator settings on oxygenation Ventilation Perfusion Control of ventilation Conclusion Acknowledgments Selected readings 3 Control of ventilation Introduction Pathogenesis of apnea of prematurity Central carbon dioxide chemosensitivity Peripheral (hypoxic) chemosensitivity Role of mechanoreceptor (laryngeal) afferents Genesis of central, mixed, and obstructive apnea Relationship between apnea, bradycardia, and desaturation Cardiorespiratory events in intubated infants Therapeutic approaches Optimization of mechanosensory inputs Optimization of blood gas status Role of gastroesophageal reflux Xanthine therapy Continuous positive airway pressure Long-term consequences of neonatal apnea Key references 4 Ethical issues in assisted ventilation of the neonate Introduction An ethical basis for decision making Withdrawing and withholding assisted ventilation Nonescalation and “heroic measures” Moral distress Who makes the call? Shared decision making in the neonatal intensive care unit Quality of life considerations Coming to a consensus: When is withholding or withdrawal of assisted ventilation ethically permissible? Chronic ventilation and tracheostomy Conclusion Key references 5 Evidence-based respiratory care Background The technical steps of evidence-based medicine Formulating the question Searching for the evidence Evaluating evidence about therapy Evaluating the quality (certainty) of evidence Determining the quantitative effects of a therapy Noninferiority trials Systematic reviews of therapeutic interventions and meta-analyses Weighing risks, benefits, and costs Evaluating evidence about diagnostic tests Evaluating the certainty of evidence for diagnostic tests Determining diagnostic test accuracy Bayesian reasoning in diagnostic testing Special considerations in applying evidence to respiratory interventions Cognitive skills for evidence-based practice Critical thinking Clinical reasoning and decision making Translating evidence into practice Summary Suggested readings 6 Quality and safety in respiratory care Quality and safety: Background Donabedian’s triad The institute of medicine’s domains of quality Assessing and monitoring the quality of care Quality indicators for comparative performance measures Quality indicators for improvement Improving the quality of care The improvement team Collaboration Aim: What are we trying to accomplish? Measurement: How will we know that a change is an improvement? What changes can we make that will result in an improvement? Plan–do–study–act cycles Ensuring the success of quality improvement projects Leadership and unit culture Why is quality improvement important in neonatal respiratory care? Examples of quality and safety improvement in neonatal respiratory care Quality improvement projects in individual units Collaborative quality improvement projects Conclusion Key references 7 Medical and legal aspects of respiratory care Disclaimer General legal principles Supervision of others Malpractice Duty Breach The expert witness Causation Damages Burden of proof Malpractice issues specific to neonatology and neonatal respiratory care Resuscitation Prematurity/periventricular leukomalacia Respiratory failure/mechanical ventilation Patient safety/culture of safety Decreasing the risk of a malpractice lawsuit Competency Communication Documentation The future of malpractice litigation Conclusion Key references Section 2 Patient Evaluation and Monitoring 8 Physical examination Historical aspects Importance of the physical examination Technique of the physical examination Overview Performing the neonatal respiratory physical examination Interpretation of the findings of physical examination General physical examination findings Special technique of examination: Transillumination Physical examination findings in specific clinical situations Examination at birth Examination of an infant receiving face mask or laryngeal mask ventilation Examination of the ventilated infant Conventional ventilation High-frequency ventilation: Oscillation High-frequency ventilation: Jet ventilation Examination of an infant on constant positive airway pressure Conclusion Key references 9 Imaging: Radiography, lung ultrasound, and other imaging modalities Introduction Radiation exposure Imaging modalities Chest radiograph Ultrasound Computed tomography Fluoroscopy Magnetic resonance imaging Invasive support devices Endotracheal tube Vascular catheters Common etiologies of respiratory distress in infants Respiratory distress syndrome Transient tachypnea of the newborn Meconium aspiration syndrome Pneumonia Air leak syndromes Pneumothorax Pneumomediastinum Pneumopericardium Pulmonary interstitial emphysema Pulmonary hemorrhage Pleural effusion Bronchopulmonary dysplasia Congenital and surgical causes of respiratory distress Congenital lung lesions Pulmonary agenesis, aplasia, and hypoplasia Bronchial atresia or stenosis Congenital pulmonary airway malformation Bronchopulmonary sequestration Congenital lobar emphysema Congenital diaphragmatic hernia Key references 10 Blood gases: Technical aspects and interpretation Introduction Blood gas physiology Oxygen transport Understanding the oxyhemoglobin dissociation curve Considerations regarding fetal hemoglobin Hypoxemia and hypoxia Carbon dioxide transport Metabolic acidosis Metabolic alkalosis Techniques for obtaining blood samples Umbilical artery catheters Subumbilical cutdown Complications of umbilical artery catheterization Other indwelling catheter sites Infusion of fluids through arterial catheters Arterial puncture Arterialized capillary blood Continuous invasive monitoring Noninvasive estimation of blood gases Pulse oximetry Near-infrared spectroscopy Choice of monitoring methods Transcutaneous monitoring Capnography Blood gas analyzers Measuring principle of a blood gas analyzer Blood gas analyzer quality assurance Clinical interpretation of blood gases Components of blood gas testing that are measured directly pH Carbon dioxide Partial pressure of oxygen Components of blood gas testing that are not measured directly Bicarbonate Base excess Oxygen saturation Lactate Errors in blood gas measurements Assessing the accuracy of a blood gas result Final thoughts Acknowledgment Key references 11 Noninvasive monitoring of gas exchange Noninvasive monitoring of oxygenation Pulse oximetry Indications for pulse oximetry Delivery room resuscitation Limitations of pulse oximetry Functional versus fractional saturation Additional considerations Transcutaneous oxygen monitoring Noninvasive assessment of partial pressure of carbon dioxide Capnography and end-tidal carbon dioxide monitoring Mainstream and sidestream capnography Carbon dioxide monitoring in the neonatal intensive care unit Capnography during neonatal anesthesia Colorimetric carbon dioxide detectors Optimizing ventilation settings with capnography Limitations of capnography Transcutaneous carbon dioxide monitoring Tissue oxygen saturation monitoring using near-infrared spectroscopy Normal values Application of near-infrared spectroscopy in newborns Management of hypotension Resuscitation and stabilization in the delivery room Patent ductus arteriosus Cerebral perfusion with changes in mean airway pressure and ventilation Mesenteric ischemia and risk of necrotizing enterocolitis Limitations of near-infrared spectroscopy Conclusion Key references 12 Pulmonary function and graphics Introduction Technical aspects Airflow measurement Pressure measurement End tidal CO₂ measurement Volume measurement Respiratory physiology and pathophysiology of respiratory diseases Display of respiratory signals Airway pressure Peak inflation pressure, positive end expiratory pressure, continuous positive airway pressure Mean airway pressure: five different ways to change map during conventional ventilation: Change in peak inflation pressure, positive end expiratory pressure, inspiratory time, inspiratory slope, and rate Positive End Expiratory Pressure,Inspiratory Time, Inspiratory Slope, and Rate Effect of inspiratory and expiratory time on tidal volume: Effect of the time constant on flow and volume Measurement of airflow Recognizing spontaneous respiratory efforts Checking for synchronization Cycling off the mechanical inflation (flow cycling) Measurement of volume Tidal volume—minute ventilation Tidal volume—effect of endotracheal tube leaks Effect of mechanical characteristics of the respiratory system on tidal volume Display of pulmonary graphics using loops Pressure-volume loops Flow-volume loops Pulmonary mechanics Lung compliance Clinical implications Resistive properties Clinical implications End tidal CO₂ curve Role of pulmonary graphics in daily ventilator management—optimizing ventilator settings Optimizing peak inflation pressure Optimizing positive end expiratory pressure Optimizing inspiratory and expiratory flow by adjusting inspiratory and expiratory time Optimizing tidal volume Optimizing synchrony Optimizing oxygen exposure Optimizing gas exchange—permissive hypercapnia Determining the relative contribution of spontaneous breaths versus mechanical inflations to minute ventilation Special circumstances Pitfalls of graphics monitoring—troubleshooting Evidence for the use of respiratory function monitoring to improve neonatal outcome Acknowledgments Key references 13 Airway evaluation: Bronchoscopy, laryngoscopy, and tracheal aspirates Introduction Flexible nasopharyngolaryngoscopy in the neonate Indications Risks, contraindications, and limitations Equipment Direct microlaryngoscopy and rigid bronchoscopy in the neonate Indications Risks, contraindications, and limitations Equipment Fiberoptic flexible bronchoscopy Indications Risks, contraindications, and limitations Equipment Bronchoalveolar lavage and tracheal aspirates Summary Suggested readings Section 3 Delivery Room Stabilization, Oxygen Therapy, and Respiratory Support 14 Delivery room stabilization and respiratory support Introduction Physiology of transition, asphyxia, and resuscitation Physiology of normal transition Physiology of asphyxia Physiology of resuscitation Anticipation and preparation for resuscitation Training Teamwork Anticipation Preparation Clinical assessment, apgar score, saturation, and heart rate monitoring Clinical evaluation Pulse oximetry and electrocardiograph Intervention basics: Cord clamping, warmth, position, suction, stimulation Management of the umbilical cord Warmth Position Suction Meconium-stained amniotic fluid Stimulation Oxygen Ventilation Pressure sources Interfaces Endotracheal intubation Intubation equipment and procedure Laryngeal mask airway Monitoring Chest compressions Epinephrine Volume expansion Special cases Preterm neonates Congenital diaphragmatic hernia Fetal hydrops Ethics Deciding whether to commence resuscitation Deciding whether to stop resuscitation Postresuscitation care Examination/monitoring Therapeutic hypothermia for hypoxic ischemic encephalopathy Key references 15 Exogenous surfactant therapy History Surfactant function, composition, and metabolism Function Composition Secretion and metabolism Types of surfactant Animal-derived surfactants Synthetic surfactants without protein components Protein-containing synthetic surfactants Acute pulmonary and cardiac effects of surfactant therapy Immediate pulmonary effects of surfactant therapy Immediate effects on pulmonary circulation Radiographic changes Clinical trials of surfactant therapy Surfactant therapy compared with placebo or no therapy Prophylactic surfactant administration compared with post-birth stabilization on continuous positive airway pressure and selective surfactant administration Early surfactant administration followed immediately by extubation to nasal continuous positive airway pressure Targeted surfactant therapy Single versus multiple surfactant doses Criteria for repeat doses of surfactant Methods of administration of surfactant Administration through catheter, side port, or suction valve Administration through dual-lumen endotracheal tube Administration through a laryngeal mask airway Nasopharyngeal administration of surfactant Thin catheter endotracheal administration (less invasive surfactant administration) Other methods Chest position during administration of surfactant Summary of administration methods Choice of surfactant product Comparison of animal-derived surfactant extract versus protein-free synthetic surfactant for the prevention and treatment of respiratory distress syndrome Comparison of protein-containing synthetic surfactant versus animal-derived surfactant extract for the prevention and treatment of respiratory distress syndrome Comparison of protein-containing synthetic surfactant versus protein-free synthetic surfactant for the prevention and treatment of respiratory distress syndrome Comparison of different types of bovine surfactants Comparison of porcine and bovine surfactants Adverse effects of surfactant therapy Economic aspects of surfactant therapy Factors affecting the response to surfactant therapy Long-term outcomes after surfactant therapy Neurodevelopmental outcomes Long-term respiratory outcomes Physical growth Outcomes of prophylactic versus rescue treatment strategies Exogenous surfactant therapy for conditions other than respiratory distress syndrome Meconium aspiration syndrome Acute respiratory distress syndrome Other conditions Conclusion Key references 16 Oxygen therapy History of the use of oxygen in clinical medicine Basic principles of oxygen physiology Aerobic metabolism Reactive oxygen species, redox regulation, and antioxidant enzymes Redox regulation Antioxidant defenses Biomarkers of oxidative stress Oxygen-sensing mechanisms and physiologic response Oxygen in the fetal-to-neonatal transition and postnatal adaptation Fetal-to-neonatal transition Arterial oxygen saturation nomogram Oxygen saturation in preterm infants with positive pressure ventilation and air Oxygen administration in the delivery room Oxygen during neonatal care in the neonatal intensive care unit Evolving oxygen needs in the first weeks of life and new metabolic indices Going home on oxygen Oxygen saturation recommendations Key references 17 Respiratory gas conditioning Physiology and pathophysiology Basics of the physical relationships among temperature, water vapor, and energy content of gases Standards on humidification of medical gases for use with artificial respiratory support modalities Procedures and devices for respiratory gas conditioning Cold passover, bubble-through, and heated water humidifiers for use with nasal cannula therapy Heated humidifiers with heated wire tubing circuitry Heat and moisture exchangers (“artificial noses”) Aerosol application Irrigation of the airway Estimation and measurement of the efficiency of respiratory gas conditioning device brands Key references 18 Noninvasive respiratory support Introduction History of noninvasive respiratory support What are the clinical indications and how does noninvasive respiratory support help? Respiratory distress syndrome Apnea of prematurity Postextubation care An overview of equipment used to provide noninvasive respiratory support Interfaces Pressure generators Continuous positive airway pressure Indications for continuous positive airway pressure support Continuous positive airway pressure support for preterm infants from birth Continuous positive airway pressure support for preterm infants postextubation Continuous positive airway pressure support for apnea of prematurity Continuous positive airway pressure support for other conditions Contraindications to continuous positive airway pressure support Continuous positive airway pressure devices and interfaces Ventilator-generated continuous positive airway pressure Bubble continuous positive airway pressure Variable-flow continuous positive airway pressure Benveniste gas-jet valve continuous positive airway pressure Comparison of continuous positive airway pressure devices Ventilator continuous positive airway pressure versus variable-flow (infant flow) continuous positive airway pressure Ventilator continuous positive airway pressure versus bubble continuous positive airway pressure Variable-flow continuous positive airway pressure versus bubble continuous positive airway pressure Continuous positive airway pressure interfaces Mononasal prongs, cut-down endotracheal tubes, and binasal nasopharyngeal prongs Short binasal prongs Future nasal prong development Nasal masks Nasal cannulae Comparison between nasal interfaces Comparison between nasal prong types Comparison between nasal masks and nasal prongs Comparison between standard interfaces and nasal cannulae Optimal continuous positive airway pressure Supportive care during continuous positive airway pressure Administration of surfactant to infants on continuous positive airway pressure Oropharyngeal, nebulized, and laryngeal mask airway surfactant administration Less invasive surfactant administration and minimally invasive surfactant treatment: Surfactant administration via thin catheter When has treatment with continuous positive airway pressure “failed?” Complications of continuous positive airway pressure Gaseous intestinal distension Pneumothorax or other air leak Nasal skin trauma Continuous positive airway pressure weaning Nasal ventilation Physiologic mechanisms Clinical trials Nasal intermittent positive pressure ventilation Synchronized nasal intermittent positive pressure ventilation High-frequency nasal ventilation Mechanisms of gas exchange Clinical trials Future directions Nasal high flow Clinical trials in preterm infants Primary (early) respiratory support Postextubation/surfactant respiratory support Future directions Conclusion Acknowledgments Key references 19 Overview of assisted ventilation Introduction Unique challenges in mechanical ventilation of newborn infants Lung mechanics Uncuffed endotracheal tubes Measurement of tidal volume Basic ventilator mode classification Initiation of mechanical ventilation Indications for mechanical ventilation Choosing the ventilator mode Initial settings for pressure controlled ventilation Assessment after starting ventilation Subsequent ventilator adjustments Oxygenation Ventilation/carbon dioxide elimination Monitoring and documentation during mechanical ventilation Ventilation protocols Key references 20 Basic modes of synchronized ventilation Introduction Trigger technology Patient-ventilator interactions with synchronized ventilation Synchronized intermittent mandatory ventilation Assist control Pressure support ventilation Choice of assisted ventilation modes Guidelines for clinical application Synchronized intermittent mandatory ventilation Assist control Pressure support ventilation Conclusion Key references 21 Principles of lung-protective ventilation Introduction Neonatal respiratory failure Ventilator-induced lung injury Risk factors for ventilator-induced lung injury Volutrauma Atelectrauma Oxygen toxicity Pulmonary and systemic consequences of ventilator-induced lung injury Structural injury Biotrauma Surfactant dysfunction Lung development Susceptibility of newborn lungs to ventilator-induced lung injury Lung-protective ventilation: Basic principles Minimizing volutrauma Minimizing atelectrauma Lung-protective ventilation: Conventional mechanical ventilation Low tidal volume ventilation Tidal volume stabilization Permissive hypercarbia Open lung ventilation Lung-protective ventilation: High-frequency ventilation Lung-protective ventilation: Weaning and extubation Implications for practice and research Key references 22 Volume-targeted ventilation Rationale for tidal volume-targeted ventilation Volume-controlled versus volume-targeted ventilation Neonatal tidal volume-targeted ventilation Volume guarantee Suggested clinical guidelines (see also table 22.3) Pressure-regulated volume control Volume ventilation plus Volume targeted ventilation/adaptive pressure ventilation Targeted tidal volume Importance of open lung strategy Alarms/troubleshooting Conclusion Key references 23 Special techniques of respiratory support Introduction Automated control of inspired oxygen Ventilation techniques that provide support proportional to patient effort Proportional assist ventilation Neurally adjusted ventilatory assist Airway pressure release ventilation Ventilation techniques designed to maintain minute ventilation Targeted minute ventilation Mandatory minute ventilation Apnea backup ventilation Adaptive backup ventilation Adaptive support ventilation Conclusion Key references 24 High-frequency ventilation Types of high-frequency ventilators High-frequency jet ventilators High-frequency oscillators High-frequency flow interrupters/percussive ventilators Evidence base for clinical applications of high-frequency ventilation Elective versus rescue high-frequency ventilation Lung protective strategies with HFV: Limiting pressure while optimizing volume Clinical applications of high-frequency ventilation in specific diseases Respiratory distress syndrome High-frequency oscillatory ventilation strategy in respiratory distress syndrome High-frequency jet ventilation strategy in respiratory distress syndrome Air-leak syndromes High-frequency jet ventilation strategy in air-leak syndromes High-frequency oscillatory ventilation strategy in air leak Pulmonary hypoplasia and congenital diaphragmatic hernia High-frequency oscillatory ventilation strategy in congenital diaphragmatic hernia and other lung hypoplasia conditions High-frequency jet ventilation strategy congenital diaphragmatic hernia and other lung hypoplasia conditions Hypoxemic respiratory failure in term infants Knowledge gaps and research directions Summary Key references 25 Mechanical ventilation: Disease-specific strategies Introduction Respiratory distress syndrome Key pathophysiologic features Lung surfactant Lung liquid Developmental lung biology Relevant principles of ventilation High-frequency ventilation Conventional ventilation Extubation Evidenced-based recommendations Gaps in knowledge Meconium aspiration syndrome Key pathophysiologic features Surfactant dysfunction Airway resistance Pulmonary hypertension Relevant principles of ventilation High-frequency ventilation Conventional ventilation Evidenced-based recommendations Gaps in knowledge Lung hypoplasia disorders Key pathophysiologic features Lung hypoplasia Pulmonary vascular bed Relevant principles of ventilation Pulmonary hypertension Evidenced-based recommendations Gaps in knowledge Bronchopulmonary dysplasia Key pathophysiologic features Lung pathology Lung mechanics and function Relevant general principles of mechanical ventilation Tracheostomy Pulmonary hypertension Evidenced-based recommendations Gaps in knowledge Conclusion Key references 26 Weaning and extubation from mechanical ventilation Background Weaning from ventilatory support Weaning from pressure-controlled ventilation Weaning from high-frequency ventilation General strategies to facilitate weaning Permissive hypercarbia Permissive hypoxemia Weaning protocols Adjunctive therapies Caffeine Diuretics Closure of patent ductus arteriosus Avoidance of routine sedation Nutritional support Chest physiotherapy Systemic corticosteroids Inhaled and intratracheal corticosteroids Assessment of extubation readiness Clinical predictors Extubation readiness tests Physiological assessments Clinical assessments Analysis of the dynamics of physiologic signals before extubation Postextubation management Adjunctive therapies Caffeine Nebulized racemic epinephrine and dexamethasone Postnatal corticosteroids for the prevention and treatment of postextubation stridor Chest physiotherapy Extubation failure Summary Suggested readings 27 Common devices used for mechanical ventilation Introduction to ventilators Power inputs Power conversion and control Flow control valves Control subsystems Power outputs Idealized pressure, volume, and flow waveforms Ventilator alarm systems Operator–ventilator interface: Displays Alphanumeric values Trends Waveforms and loops Patient–ventilator interface: Circuits Understanding modes of ventilation Defining a breath/inflation Defining assisted breath Assistance with volume or pressure control Trigger and cycle events Machine versus patient trigger and cycle events Spontaneous versus mandatory breaths/inflations Breath sequences Ventilatory patterns Targeting schemes Full mode taxonomy How to classify a mode of ventilation Universal intensive care ventilators used for neonatal ventilation AVEA CVS Modes Airway pressure release ventilation/biphasic. Continuous positive airway pressure/pressure support. Continuous positive airway pressure/pressure support with volume limit. Infant nasal continuous positive airway pressure. Infant nasal intermittent mandatory ventilation. Pressure assist-control. Pressure assist-control with flow cycle. Pressure assist-control with machine volume. Pressure assist-control with volume guarantee. Pressure-regulated volume control assist-control (not available for neonatal ventilation). Pressure-regulated volume control assist-control with flow cycle (not available for neonatal ventilation). Pressure-regulated volume control synchronized intermittent mandatory ventilation with flow cycle (not available for neonatal ventilation). Pressure-regulated volume control synchronized intermittent mandatory ventilation (not available for neonatal ventilation). Pressure synchronized intermittent mandatory ventilation. Pressure synchronized intermittent mandatory ventilation with volume guarantee (available for neonatal patient size setting only). Time-cycled pressure-limited assist-control (available for neonatal patient size setting only). Time-cycled pressure-limited assist-control with flow cycle. Time-cycled pressure-limited assist-control with flow cycle and volume guarantee. Time-cycled pressure-limited assist-control with volume guarantee (available for neonatal patient size setting only). Time-cycled pressure-limited synchronized intermittent mandatory ventilation (available for neonatal patient size setting only). Time-cycled pressure-limited synchronized intermittent mandatory ventilation with volume guarantee (available for neonatal patient size setting only). Volume assist-control (with demand flow). Volume assist-control with Vsync. Volume assist-control with Vsync and flow cycle. Volume synchronized intermittent mandatory ventilation. Volume synchronized intermittent mandatory ventilation with Vsync. PB 980 Modes Assist-control pressure control. Assist-control volume ventilation plus. Assist-control volume control. Bilevel + pressure support. Bilevel + tube compensation. Synchronized intermittent mandatory ventilation pressure control + pressure support. Synchronized intermittent mandatory ventilation pressure control + tube compensation. Synchronized intermittent mandatory ventilation volume control + pressure support. Synchronized intermittent mandatory ventilation volume ventilation plus + pressure support. Synchronized intermittent mandatory ventilation volume control plus + tube compensation. Spont pressure support. Spont volume support. Neonatal ventilation. Bellavista 1000 Modes Adaptive ventilation mode. Airway pressure release ventilation. beLevel. Continuous positive airway pressure. Nasal continuous positive airway pressure. Nasal intermittent positive pressure ventilation. Pressure control-synchronized intermittent mandatory ventilation. Pressure control-synchronized intermittent mandatory ventilation + targetvent. Pressure assist-control ventilation. Pressure assist-control + targetvent. Pressure-controlled ventilation. Pressure support ventilation. Pressure support ventilation + targetvent. Spontaneous. Spontaneous + targetvent. Spontaneous/timed. Spontaneous/timed + targetvent. Timed. Volume assist-control. Evita infinity V500, V600/800 Modes Pressure control assist-control. Pressure control airway pressure release ventilation. Pressure control continuous mandatory ventilation. Pressure control pressure support. Pressure control synchronized intermittent mandatory ventilation. Smartcare/pressure support. Spontaneous continuous positive airway pressure. Spontaneous continuous positive airway pressure/pressure support. Spontaneous continuous positive airway pressure/variable support. Spontaneous continuous positive airway pressure/volume support. Spontaneous/proportional pressure support. Volume control assist-control. Volume control assist-control + autoflow/volume guarantee. Volume control assist-control + pressure limitation. Volume control continuous mandatory ventilation. Volume control continuous mandatory ventilation + autoflow. Volume control continuous mandatory ventilation + pressure limitation. Volume control mandatory minute volume ventilation. Volume control mandatory minute volume ventilation + autoflow/volume guarantee. Volume control continuous positive airway pressure. Volume control synchronized intermittent mandatory ventilation + autoflow/volume guarantee. Volume control synchronized intermittent mandatory ventilation + pressure limitation. Neonatal ventilation Evita infinity V600/800 SERVO-I and SERVO-U Modes Automode (pressure control to pressure support). Automode (pressure-regulated volume control to volume support). Automode (volume control to volume support). BiVent. Neurally adjusted ventilatory assist. Pressure control. Pressure-regulated volume control. Pressure support. Synchronized intermittent mandatory ventilation (volume control). Synchronized intermittent mandatory ventilation (pressure-regulated volume control). Synchronized intermittent mandatory ventilation (pressure control). Spontaneous/continuous positive airway pressure. Volume control. Volume support. Neonatal ventilation with SERVO-I. SERVO-n and SERVO-U Carescape R860 Modes Assist-control pressure control. Assist-control pressure regulated volume control. Assist-control volume control. Assist-control volume control + pressure limit. Airway pressure release ventilation. Bilevel airway pressure ventilation. Bilevel airway pressure ventilation + volume guaranteed. Continuous positive airway pressure/pressure support. Noninvasive ventilation. Synchronized intermittent mandatory ventilation pressure controlled. Synchronized intermittent mandatory ventilation pressure regulated volume control. Synchronized intermittent mandatory ventilation volume control. Synchronized intermittent mandatory ventilation volume control + pressure limit. Spontaneous breathing trial. Volume support. Neonatal ventilation. Hamilton G5 Modes Adaptive support ventilation. Airway pressure release ventilation. Adaptive pressure ventilation continuous mandatory ventilation (APVCMV). Adaptive pressure ventilation intermittent mandatory ventilation (APVIMV). DuoPositive airway pressure. INTELLiVENT adaptive support ventilation. Nasal continuous positive airway pressure/pressure support. Noninvasive ventilation. Noninvasive ventilation-spontaneous/timed. Positive-continuous mandatory ventilation. Positive-synchronized intermittent mandatory ventilation. Synchronized continuous mandatory ventilation. Synchronized intermittent mandatory ventilation. Spontaneous. Volume support. Specialized neonatal ventilators Babylog VN500 and 600/800 Modes Pressure control-assist-control. Pressure control-assist-control + volume guarantee. Pressure control-airway pressure release ventilation. Pressure control-continuous mandatory ventilation. Pressure control-continuous mandatory ventilation + volume guarantee. Pressure control-mandatory minute volume ventilation + volume guarantee. Pressure control-pressure support ventilation. Pressure control-pressure support ventilation + volume guarantee. Pressure control-synchronized intermittent mandatory ventilation. Pressure control-synchronized intermittent mandatory ventilation + volume guarantee. Spontaneous continuous positive airway pressure/pressure support. Spontaneous continuous positive airway pressure/volume support. Spontaneous proportional pressure support. Automatic tube compensation (ATC). High-frequency oscillatory ventilation (with volume guarantee). Babylog VN600/800 SERVO-n and SERVO-U Fabian high-frequency oscillatory Modes Intermittent positive-pressure ventilation (continuous mandatory ventilation). Intermittent positive-pressure ventilation (continuous mandatory ventilation) + volume guarantee. Synchronized intermittent positive pressure ventilation (ASSIST). Synchronized intermittent positive pressure ventilation (ASSIST) + volume guarantee. Synchronized intermittent mandatory ventilation. Synchronized intermittent mandatory ventilation + pressure support ventilation. Pressure support ventilation. Pressure support ventilation + volume guarantee. High-frequency oscillatory ventilation. Continuous positive airway pressure. Nasal continuous positive airway pressure/duo positive airway pressure. Leoni plus Modes Continuous positive airway pressure. High-frequency oscillation. Intermittent positive-pressure ventilation/intermittent mandatory ventilation. Intermittent positive-pressure ventilation/intermittent mandatory ventilation + volume guarantee. Nasal continuous positive airway pressure. Nasal intermittent positive pressure ventilation. Pressure support-intermittent mandatory ventilation. Pressure support-intermittent mandatory ventilation + volume guarantee. Pressure support-S intermittent positive pressure ventilation. Pressure support-intermittent positive pressure ventilation + volume guarantee. S-intermittent mandatory ventilation. S-intermittent mandatory ventilation + volume guarantee. S-intermittent positive pressure ventilation. S-I intermittent positive pressure ventilation + volume guarantee. Vyaire infant flow SiPAP Modes BiPhasic. BiPhasic tr. Continuous positive airway pressure. Summary Key references 28 Extracorporeal membrane oxygenation Introduction History of cardiopulmonary bypass Development of membrane oxygenators Development of a pump Vascular access Physiology of extracorporeal circulation Membrane lung Oxygen and carbon dioxide transfer Patient selection Disease states Selection criteria Alveolar-arterial oxygen gradient Oxygenation index Acute deterioration Ventilator-associated lung injury Contraindications Evaluation before extracorporeal membrane oxygenation Technique for beginning extracorporeal membrane oxygenation Before cannulation Venoarterial versus venovenous cannulation Operative procedure Daily management Weaning Decannulation Outcome Key references Section 4 Bedside Care, Nutritional and Pharmacologic Support 29 Respiratory care of the newborn Introduction Techniques to provide positive-pressure ventilation Manual ventilation Face masks for ventilation Endotracheal intubation Routes of intubation Equipment Types of tubes Depth of tube insertion Determination of placement Tube fixation Acquisition and maintenance of intubation skills Laryngeal mask airway Noninvasive ventilation and continuous positive airway pressure Heated humidified high-flow nasal cannula Monitoring during respiratory support Monitoring during noninvasive respiratory support Monitoring during conventional and high-frequency ventilation Humidification and warming during respiratory support Airway clearance techniques Chest physiotherapy Positioning of the patient Percussion and vibration Administration of medications into the respiratory tract Surfactant treatment Surfactant administration Optimization of aerosol drug delivery Clinician-based ventilator and weaning protocols Resuscitation and stabilization at delivery Key readings 30 Nursing care Introduction Assessment of the neonate Pain assessment Respiratory care Oxygen saturation monitoring Positioning and containment Noninvasive ventilation Mechanical ventilation Airway security Endotracheal tube movement and malposition Suctioning Ventilator-associated pneumonia High-frequency ventilation Inhaled nitric oxide Sudden deterioration General care of the neonate Thermal instability Nutrition Skin care Adhesive application and removal Pressure ulcers and skin injury Managing pain Developmental care Skin-to-skin holding Care of the family Conclusion Key references 31 Nutritional support The importance of nutrition during critical stages of lung development Nutritional requirements Water requirement Insensible water loss Renal function and water excretion Energy requirement Protein requirement Lipid requirement Carbohydrate requirement Mineral requirements Vitamin requirements Parenteral nutrition Composition of total parenteral nutrition Enteral nutrition Advantages of enteral nutrition Methods of gavage feeding Minimal enteral feedings and enteral feeding advancement Human milk Donor human milk Human milk fortification Formulas Special nutritional considerations for infants with established bronchopulmonary dysplasia Key references 32 Pharmacologic therapies Introduction Steroids Early postnatal (<8 days) steroid therapy for prevention of bronchopulmonary dysplasia Late (≥8 days) postnatal steroid therapy for prevention or therapy of bronchopulmonary dysplasia in preterm infants Sedation and analgesia Opioids Morphine Fentanyl Dexmedetomidine Benzodiazepines Midazolam Lorazepam Diazepam Other sedative agents Muscle relaxants Pancuronium Vecuronium Rocuronium Cisatracurium Bronchodilators and mucolytic agents Albuterol (salbutamol) Cromoglycic acid Ipratropium bromide Racemic epinephrine N-acetylcysteine Combination therapies Diuretics Furosemide Bumetanide Thiazides and potassium-sparing diuretics Respiratory stimulants Theophylline Caffeine Doxapram Summary Key readings 33 Common hemodynamic problems in the neonate requiring respiratory support Introduction Normal transition Hemodynamic problems in the neonate Persistent pulmonary hypertension of the newborn Clinical evaluation Intervention Specific therapy. Cardiovascular support. Research needs Septic shock Clinical evaluation Research needs Hypoxic ischemic encephalopathy Cardiogenic shock Hypotension in the extremely low gestational age newborn Research needs Conclusion Key references Section 5 Treatment of Specific Conditions, Surgical Interventions and Other Considerations 34 Diagnosis and management of persistent pulmonary hypertension of the newborn Introduction Etiology Clinical features Hypoxemia in persistent pulmonary hypertension of the newborn Diagnosis Echocardiography and hemodynamic assessment in persistent pulmonary hypertension of the newborn²⁰ Severity of persistent pulmonary hypertension of the newborn Ventricular function Shunt direction Precapillary versus pulmonary venous hypertension Supportive management Asphyxia, hypothermia, and persistent pulmonary hypertension of the newborn Oxygen Carbon dioxide and pH targets Noninvasive ventilation Invasive ventilation Surfactants in persistent pulmonary hypertension of the newborn Inhaled nitric oxide Initiation of inhaled nitric oxide Weaning inhaled nitric oxide Sildenafil Milrinone Prostaglandin E1 Endothelin receptor antagonists Management of systemic hypotension in persistent pulmonary hypertension of the newborn Fluid management Sodium bicarbonate Vasoactive infusions Hydrocortisone Preterm infants with early pulmonary hypertension (preterm persistent pulmonary hypertension of the newborn) Conclusion Key references 35 Care of the infant with congenital diaphragmatic hernia Introduction Antenatal assessment of severity and fetal management Initial treatment and procedures in the delivery room Transport from delivery room to neonatal intensive care unit Initial ventilation in congenital diaphragmatic hernia Gentle ventilation in congenital diaphragmatic hernia Supportive measures Echocardiogram Pulmonary vasodilator therapy Inhaled nitric oxide Milrinone Prostaglandin infusion Sildenafil Extracorporeal membrane oxygenation Surgical repair Pulmonary and nutritional outcome Discharge and follow-up Conclusion Acknowledgment Key references 36 Management of the infant with bronchopulmonary dysplasia Introduction Epidemiology, pathophysiology, and diagnosis of bronchopulmonary dysplasia Prevention of bronchopulmonary dysplasia Clinical presentation and evaluation of infants with established bronchopulmonary dysplasia Clinical presentation of severe bronchopulmonary dysplasia Severe lung parenchymal disease as the leading feature of severe bronchopulmonary dysplasia Pulmonary hypertension as the leading feature of severe bronchopulmonary dysplasia Airway disease as the leading feature of severe bronchopulmonary dysplasia Evaluation of infants with severe bronchopulmonary dysplasia Physiologic basis for respiratory support in infants with established bronchopulmonary dysplasia Ventilatory control in infants with bronchopulmonary dysplasia Pulmonary mechanics in infants with bronchopulmonary dysplasia Management of infants with established bronchopulmonary dysplasia Keys to successful bronchopulmonary dysplasia management Respiratory management in infants with established bronchopulmonary dysplasia Noninvasive ventilation Mechanical ventilation Conventional mechanical ventilation. High-frequency ventilation. Adjunctive respiratory support therapies in infants with established bronchopulmonary dysplasia Heliox Pharmacotherapies Management of pulmonary hypertension Management of persistent ductus arteriosus Nutritional support Minimizing pulmonary micro-aspiration Role of tracheostomy in infants requiring long-term support Pulmonary outcomes in infants with bronchopulmonary dysplasia Conclusion Selected readings 37 Medical and surgical interventions for respiratory distress and airway management Introduction Medical management of the neonatal airway Anatomic disadvantages of the neonatal airway Medical management of neonates with common respiratory disorders requiring surgical intervention Congenital airway disorders Acquired airway disorders Surgical management of the neonatal airway The pediatric surgeon/otolaryngologist as diagnostician and therapist Developmental abnormalities of the airway Nasopharyngeal obstruction Choanal atresia Oropharyngeal obstruction Macroglossia. Beckwith-Wiedemann syndrome. Metabolic disorders. Trisomy 21 (Down syndrome). Severe bronchopulmonary dysplasia. Lingual thyroid. Craniofacial Dysmorphology syndromes. Pierre Robin sequence. Treacher Collins syndrome. Hallermann-Streiff syndrome. Möbius syndrome. Freeman-Sheldon syndrome. Nager syndrome. Laryngeal anomalies Laryngeal atresia. Laryngeal web. Congenital vocal cord paralysis. Laryngomalacia. Congenital subglottic stenosis. Acquired subglottic stenosis. Laryngeal cleft. Subglottic hemangioma. Tracheal anomalies Intrinsic tracheal compression. Tracheomalacia. Tracheal stenosis. Necrotizing tracheobronchitis. Extrinsic tracheal compression. Cystic hygroma. Vascular rings. Developmental abnormalities of the lung Pulmonary and lobar agenesis Pulmonary hypoplasia Congenital lobar emphysema Congenital pulmonary airway malformation Sequestration Pulmonary cystic lesions Developmental abnormalities of the diaphragm Diaphragmatic hernia of bochdalek Diaphragmatic paralysis/eventration Developmental abnormalities of the skeleton The pediatric surgeon/otolaryngologist as consultant Neonatal bronchoscopy Anatomic considerations Pathophysiology Evaluation of intubation Endoscopes Tracheostomy Procedure Anterior cricoid split procedure Tracheostomy tubes Key references 38 Intraoperative management of the neonate Transitional physiology and pulmonary hypertension Pulmonary development and lung injury Anatomic considerations Intrathoracic masses Abdominal wall defects Location of operation Premedication for intubation Selection and placement of the endotracheal tube Operative management Ventilator mode Vital signs Intraoperative fluid management and electrolyte management Additional operative considerations Troubleshooting Temperature regulation Neonate pain perception Conclusion Key references 39 Complications of respiratory support Complications of respiratory support Mechanical ventilation Endotracheal intubation Unplanned extubation Ventilator-induced lung injury Ventilator-associated pneumonia Ventilator-associated events and ventilator-associated conditions Noninvasive respiratory support Continuous positive airway pressure High-flow nasal cannula Positive pressure ventilation Nasal intermittent positive pressure ventilation Less invasive surfactant administration Suggested readings 40 Neonatal respiratory care in resource-limited countries Introduction Scope of the need Limiting factors Current status Asia India Other countries Africa Latin America Establishing respiratory care programs Outcomes of neonatal ventilation Projected growth in neonatal ventilation: A global perspective Ethical dilemmas Conclusion Acknowledgment Key references 41 Transport of the ventilated infant Important role of the transport team Regionalized care Transport team composition Transport education Transport physiology Hypoxia Air expansion Noise and vibration Thermoregulation Stabilization Clinical issues Equipment Transport ventilators High-frequency ventilation Continuous positive airway pressure Surfactant administration Inhaled nitric oxide Extracorporeal membrane oxygenation Hypothermia for hypoxic ischemic encephalopathy Future directions Key references 42 Discharge and transition to home care Factors to consider when determining readiness for discharge Discharge team Predischarge needs assessment Home environment Equipment and supplies Personnel resources Home nursing Emergency planning Postdischarge follow-up Tracheostomy care Changing tracheostomy tubes Outpatient management of supplemental oxygen therapy Indications for home oxygen therapy Hypoxemia Growth failure Intermittent hypoxemia and pulmonary hypertension Oxygen delivery systems for home oxygen therapy Oxygen concentrator Liquid oxygen Compressed gas system Strategies for discontinuation of home oxygen therapy Key references 43 Neurologic effects of respiratory support in the neonatal intensive care unit Introduction Cerebral blood flow in the neonate Cerebral autoregulation and pressure-passive circulation Brain injury in the preterm infant Periventricular-intraventricular hemorrhage Physiologic factors contributing to intraventricular hemorrhage Inflammation and intraventricular hemorrhage Antenatal corticosteroids and indomethacin Delayed cord clamping Diagnosis of intraventricular hemorrhage Periventricular hemorrhagic infarction (grade 4 intraventricular hemorrhage) Periventricular leukomalacia and diffuse white matter injury Pathogenesis of white matter injury Influence of oxygen concentration and carbon dioxide on cerebral blood flow Oxygen and hemoglobin Carbon dioxide Linking changes in carbon dioxide and oxygen concentration to hemorrhagic–ischemic injury Hypocarbia and white matter injury Hypercarbia and intraventricular hemorrhage Oxygen and brain injury Mode of ventilation and brain injury Continuous positive airway pressure Conventional mechanical ventilation High-frequency oscillatory ventilation Medications used to treat respiratory conditions Surfactant Methylxanthines Inhaled nitric oxide Postnatal steroids Summary Key references 44 Pulmonary and neurodevelopmental outcomes following ventilation Introduction Incidence and definitions of bronchopulmonary dysplasia Pulmonary outcomes Pulmonary function testing and imaging Longer-term respiratory morbidity Health care utilization Neurodevelopmental outcomes of preterm infants with bronchopulmonary dysplasia Outcomes after neonatal hypoxic respiratory failure Inhaled nitric oxide Extracorporeal membrane oxygenation Conclusion Key references 45 Gaps in knowledge and future directions for research Introduction Development and application of new methods of generating knowledge Basic and clinical study designs Respiratory care Delivery room management Mechanical ventilation Noninvasive respiratory support Exogenous surfactant administration Management of specific respiratory and nonrespiratory conditions requiring assisted ventilation Bronchopulmonary dysplasia Other conditions requiring ventilatory support Congenital diaphragmatic hernia Pulmonary hypertension of the newborn Ancillary support Nutritional support Development of devices Current research Ongoing clinical trials around the world Concluding comments Selected readings Appendices Appendix 1 Lung volumes in the infant Appendix 2 Changes in respiratory system dimensions with growthª Appendix 3 Effect of age on lung sizeª Appendix 4 Normal lung function data for term newborns during the neonatal period Appendix 5 Allen’s test Appendix 6 Procedure for obtaining capillary blood gases Appendix 7 Normal umbilical cord blood gas values Appendix 7a Arterial blood gas values in normal full-term infantsª Appendix 7b Arterial blood gas values in normal premature infantsª Appendix 8 Capillary blood gas reference values in healthy term neonates Appendix 9 Blood gas values in cord blood and in arterial blood at various ages during the neonatal period A. Oxygen tension B. Carbon dioxide tension C. pH D. Base excess Appendix 10 Conversion tables A. Torr to kilopascal B. Kilopascal to torr Appendix 11 Siggaard-Andersen alignment nomogram Appendix 12 Systolic, diastolic, and mean blood pressure by birth weight and gestational age Appendix 13 Systolic and diastolic blood pressure in the first 5 days of life Appendix 14 Neonatal resuscitation record Appendix 15 Effective FiO₂ conversion tables for infants on nasal cannula Appendix 16 Neonatal indications and doses for administration of selected cardiorespiratory drugs Cardiorespiratory pharmacopeia for the newborn period Administration routes Appendix 17 apps Alveolar-arterial oxygen gradient Respiratory quotient and barometric pressure Information about alveolar–arterial oxygen gradient and PAO₂/FiO₂ ratio Complete ABG For metabolic alkalosis ETCO₂ tutor Index A B C D E F G H I J K L M N O P Q R S T U V W X Inside back cover