Prevention and Management of Hypoxemia During Anesthesia Induction In the Neonate and Small Infant
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Published on: November 2, 2015
Laura McDonald1, Shelley Barenklau2, Brittany Hollabaugh2
1Clinical Instructor at the University of Kansas Department of Nurse Anesthesia Education, Kansas City, Kansas.
Insights
Infants under 60 weeks postconceptual age face high risks of hypoxemia during anesthesia induction. Specialized approaches and equipment are crucial for securing infant airways and preventing adverse events.
Area of Science:
- Pediatric Anesthesiology
- Neonatal Critical Care
- Airway Management
Background:
- Hypoxemia and associated complications are primary anesthetic risks in neonates and infants.
- These risks are amplified during anesthesia induction, particularly in younger infants.
- Unique infant anatomy and physiology increase the likelihood of difficult airway scenarios.
Purpose of the Study:
- To review the challenges and advancements in managing anesthesia induction in infants.
- To highlight the importance of preoperative assessment and planning for difficult airways.
- To discuss strategies for mitigating hypoxemia during pediatric anesthesia.
Main Methods:
- Review of current literature on pediatric airway management and hypoxemia.
- Analysis of developmental factors contributing to airway difficulties in infants.
- Evaluation of advancements in oxygen delivery, equipment, and algorithms.
Main Results:
- Infants younger than 60 weeks postconceptual age are at higher risk for difficult bag-mask ventilation and intubation.
- Advancements include size-specific equipment, improved oxygenation methods, and pediatric difficult airway algorithms.
- Despite limitations like cost, the evidence supporting these advancements is strong.
Conclusions:
- A specialized clinical approach is essential for securing infant airways and preventing rapid hypoxemia.
- Increased education, training, and standardization of care are recommended for future practice.
- Proactive management of the pediatric airway is key to improving anesthetic outcomes.
Abstract:
Hypoxemia and related complications are the leading adverse events during an anesthetic in neonates and infants younger than 60 weeks postconceptual age. This risk is more prominent during induction of anesthesia. A preoperative assessment and plan should be made for both management of an uncomplicated anesthesia induction and the unexpectedly difficult airway. Developmental anatomy and physiology contribute to a higher incidence of unexpected difficult bag mask ventilation, intubation, and cannot intubate, cannot oxygenate situations. This has driven the advancement of oxygen delivery methods, size-specific airway equipment, and comprehensive pediatric-based difficult airway algorithms and cognitive aids. Recommendations for the future include increased education, training, and standardization of care. A specialized clinical approach to efficiently secure the infant airway and mitigate rapid onset of hypoxemia is key. Limitations to our study results include cost of equipment and implementation, but quality and strength of supporting evidence is robust.
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