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Published on: September 24, 2020
Therapeutic applications and uses of inhalational anesthesia in the pediatric intensive care unit
1Department of Anesthesiology, University of Missouri, Columbia, MO, USA. Tobiasj@health.missouri.edu
Insights
Inhalational anesthetic agents can sedate pediatric intensive care unit patients and treat status asthmaticus and epilepticus. However, they depress cardiovascular and ventilatory function, requiring careful monitoring.
Area of Science:
- Anesthesiology
- Pediatric Critical Care
Background:
- Inhalational anesthetic agents possess unique physical properties and end-organ effects.
- Their application in pediatric intensive care units (PICUs) warrants a comprehensive review.
Purpose of the Study:
- To review the physical properties, end-organ effects, therapeutic applications, and delivery techniques of inhalational anesthetic agents in the PICU.
Main Methods:
- A computerized bibliographic search was conducted.
- The search focused on the intensive care unit applications of inhalational anesthetic agents.
Main Results:
- These agents cause dose-related depression of ventilatory and cardiovascular function, reducing mean arterial pressure and myocardial contractility.
- Beneficial effects include sedation, amnesia, and anxiolysis, aiding mechanical ventilation. Bronchodilatory and anticonvulsant properties support use in refractory status asthmaticus and epilepticus.
- Delivery in the ICU involves considerations of equipment, scavenging, and monitoring.
Conclusions:
- Inhalational anesthetic agents have reported therapeutic uses in the PICU.
- Potential applications include sedation during mechanical ventilation and treatment of status asthmaticus and epilepticus.
Objective:
To review the physical properties, end-organ effects, therapeutic applications, and delivery techniques of inhalational anesthetic agents in the pediatric intensive care unit.
Data Source:
A computerized, bibliographic search regarding intensive care unit applications of inhalational anesthetic agents.
Main Results:
Although the end-organ effects of inhalational anesthetic agents vary depending on the agent, general effects include a dose-related depression of ventilatory and cardiovascular function. With increasing anesthetic depth, there is a decrease in alveolar ventilation with a reduction in tidal volume and an increase in PaCO2 in spontaneously breathing patients. The potent inhalational anesthetic agents decrease mean arterial pressure and myocardial contractility. The decrease in mean arterial pressure reduces renal and hepatic blood flow. Secondary effects on end-organ function may result from the metabolism of these agents and the release of inorganic fluoride. Beneficial effects include sedation, amnesia, and anxiolysis, making these agents effective for sedation during mechanical ventilation. Bronchodilatory and anticonvulsant properties have led to their use as therapeutic agents in patients with refractory status asthmaticus and epilepticus. Issues regarding their delivery in the intensive care unit include equipment for their delivery, scavenging, and monitoring.
Conclusions:
The literature contains reports of the therapeutic use of the potent inhalational anesthetic agents in the pediatric intensive care unit. Potential applications include sedation during mechanical ventilation as well as therapeutic use for the treatment of status asthmaticus and epilepticus.
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