High throughput modular chambers for rapid evaluation of anesthetic sensitivity
Author Information
Author(s): Sun Yi, Chen Jingqiu, Pruckmayr Gregory, Baumgardner James E, Eckmann David M, Eckenhoff Roderic G, Kelz Max B
Primary Institution: University of Pennsylvania School of Medicine
Hypothesis
The study aims to evaluate anesthetic sensitivity in mice using a novel high throughput system.
Conclusion
The system allows for more precise assessment of inhaled anesthetic responsiveness than previously reported.
Supporting Evidence
- The MACLORR of halothane, isoflurane, and sevoflurane in mice was determined to be 0.79%, 0.91%, and 1.96%, respectively.
- Hill coefficients for halothane, isoflurane, and sevoflurane were found to be 24.7, 19.2, and 33.1, respectively.
- Mice took 16.00 ± 1.07, 6.19 ± 0.32, and 2.15 ± 0.12 minutes to emerge from halothane, isoflurane, and sevoflurane, respectively.
Takeaway
Researchers built special chambers to test how mice respond to different anesthetics quickly and accurately.
Methodology
The study involved using controlled environment chambers to phenotypically characterize anesthetic sensitivity in mice by measuring loss of righting reflex and emergence time.
Limitations
The study primarily focuses on a specific mouse strain and may not generalize to other strains or species.
Participant Demographics
C57BL/6J male mice aged 8–12 weeks.
Statistical Information
Confidence Interval
95% confidence interval = 0.78 – 0.79% for halothane, 0.90 – 0.93% for isoflurane, and 1.94 – 1.97% for sevoflurane.
Digital Object Identifier (DOI)
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