Abstract
Purpose
The Dräger Perseus A500 (Perseus) anesthetic workstation has been designed with a lower internal volume. We evaluated the recovery time following general anesthesia using the Perseus workstation compared with that using the conventional Dräger Fabius Plus workstation.
Methods
Following approval by our institutional research ethics committee, 50 patients receiving elective surgery under general anesthesia were enrolled in the study. Written informed consent was obtained from each patient. The patients were divided into the Perseus group and a control group. The Perseus anesthesia workstation was used for the Perseus group, and the Fabius Plus was used for the control group. General anesthesia was maintained with a 4.2% end-tidal concentration of desflurane, remifentanil, fentanyl, and regional anesthesia. After the surgical procedure, the administration of desflurane was discontinued. The inspiratory and expiratory desflurane concentration, time taken for patients to open their eyes, and the time taken to extubate the trachea after discontinuation of anesthetics were recorded.
Results
The inspiratory and expiratory desflurane concentration after the administration of desflurane was discontinued was lower in the Perseus group. Moreover, the time taken for patients to open their eyes was statistically significantly quicker in the Perseus group when compared with the control group: 284 ± 60 vs 325 ± 43 s, respectively. The time taken for extubation was also statistically significantly quicker in the Perseus group when compared with the control group: 350 ± 67 vs 388 ± 62 s, respectively.
Conclusions
We demonstrate in this study that Perseus enables the faster wash-out of anesthetics and faster recovery of patients after general anesthesia.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Dosch MP, Loeb RG, Brainerd TL, Stallwood JF, Lechner S. Time to a 90% change in gas concentration: a comparison of three semi-closed anesthesia breathing systems. Anesth Analg. 2009;108:1193–7.
Shin HW, Yu HN, Bae GE, Huh H, Park JY, Kim JY. The effect of fresh gas rate and type of anesthesia machine on time to reach target sevoflurane concentration. BMC Anesthesiol. 2017;17:10.
Perseus®A500 Product Trainer. https://static.draeger.com/trainer/Perseus_A500_trainer_en/Perseus_A500_Trainer/index.html. Accessed 3 Feb 2020.
Fabius Plus® Product Trainer. https://static.draeger.com/trainer/Fabius/index.html. Accessed 3 Feb 2020.
Struys MM, Kalmar AF, De Baerdemaeker LE, Mortier EP, Rolly G, Manigel J, Buschke W. Time course of inhaled anaesthetic drug delivery using a new multifunctional closed-circuit anaesthesia ventilator. In vitro comparison with a classical anaesthesia machine. Br J Anaesth. 2005;94:306–17.
Fukuda T, Fukunaga A, Toyooka H. Site of fresh gas inlet and ratios of the delivered fraction and inspired fraction of inhaled isoflurane and sevoflurane in low-flow anesthesia. J Anesth. 2006;20:268–73.
Acknowledgements
We would like to thank Editage (https://www.editage.com) for English language editing.
Author information
Authors and Affiliations
Corresponding author
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
About this article
Cite this article
Morimoto, Y., Shiramoto, H. & Shimamoto, Y. Perseus A500 enables faster recovery from desflurane general anesthesia. J Anesth 34, 281–285 (2020). https://doi.org/10.1007/s00540-020-02740-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00540-020-02740-8