Efficient application of volatile anaesthetics: total rebreathing or specific reflection?
Hagen Bomberg1, Thomas Volk2, Heinrich V Groesdonk2
1Department of Anaesthesiology, Intensive Care Medicine and Pain Medicine, University Medical Centre, University of Saarland, Kirrbergerstrasse 1, 66421, Homburg, Saar, Germany. hagen.bomberg@uks.eu.
Journal of Clinical Monitoring and Computing
|January 6, 2018
Summary
Anesthetic reflectors, unlike traditional circle systems, retain and resupply anesthetic gases, simplifying volatile anesthetic use in intensive care units. These systems offer easier handling and improved ventilation with intensive care ventilators.
Area of Science:
- Anesthesiology
- Respiratory Therapy
- Medical Device Technology
Background:
- The traditional circle system for anesthetic delivery has been used for over a century.
- Anesthetic reflectors, a newer technology, utilize molecular sieves for anesthetic retention and resupply.
- These systems offer an alternative to traditional methods, particularly in intensive care settings.
Purpose of the Study:
- To compare the functionality, features, advantages, and disadvantages of available anesthetic reflection systems.
- To highlight the benefits of reflection systems in facilitating the routine use of volatile anesthetics in intensive care units.
- To discuss the integration of reflection systems with intensive care ventilators.
Main Methods:
- Review of existing literature and commercial anesthetic reflection systems.
- Analysis of the functional principles of molecular sieves (zeolite crystals, activated carbon).
- Comparison of two commercially available reflection systems: AnaConDa™ and Mirus™.
Main Results:
- Anesthetic reflectors retain anesthetic agents during expiration and re-administer them during inspiration.
- Reflection systems are compatible with intensive care ventilators, reducing the need for constant staff presence.
- The Mirus™ system incorporates advanced features like gas and ventilation monitoring and dispensing units.
Conclusions:
- Anesthetic reflection systems simplify the use of volatile anesthetics in intensive care units due to ease of handling and compatibility with intensive care ventilators.
- The development of systems like AnaConDa™ and Mirus™ represents significant advancements in anesthetic delivery technology.
- Further evaluation of specific system features and clinical outcomes is warranted.
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