Advances in vaporisation: A narrative review

Kundra, Pankaj; Goswami, Shreya; Parameswari, Aruna

doi:10.4103/ija.ija_850_19

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…Minimal flow practices are promoted not only by enthusiasts, but also by anaesthetic machine manufacturers who have indirectly developed additional methods of producing environmental savings. In comparison with traditional plenum vaporisers, electronically controlled variable bypass vaporisers and direct injection vaporisers deliver volatile agents into circle systems accurately with minimal fresh gas flows [22]. An automated version of this technique, in the form of end‐tidal target control of volatile concentration, is now offered on some anaesthetic machines with the benefit of further promoting efficiency [23].…”

Section: Discussionmentioning

confidence: 99%

Volatile capture technology in sustainable anaesthetic practice: a narrative review

Gandhi,

Barker,

Cross

et al. 2024

Anaesthesia

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SummaryAnaesthetic practice contributes to climate change. Volatile capture technology, typically based on adsorption to a carbon‐ or silica‐based substrate, has the potential to mitigate some of the harmful effects of using halogenated hydrocarbons. Anaesthetists have a professional responsibility to use anaesthetic agents which offer the greatest safety and clinical benefit with the lowest financial cost and environmental impacts. Inhalational anaesthetics should be used at an appropriate concentration with a minimal fresh gas flow via a circle system to minimise unnecessary waste. Once practice efficiencies have been maximised, only then should technical solutions such as volatile capture be employed. In this narrative review, we focus on the available literature relating to volatile capture technology, obtained via a targeted literature search and through contacting manufacturers and researchers. We found six studies focusing on the Blue‐Zone Technologies Deltasorb®, SageTech Medical SID and Baxter/ZeoSys CONTRAfluran™ volatile capture systems. Though laboratory analyses of available systems suggest that > 95% in vitro mass transfer is possible for all three systems, the in vivo results for capture efficiency vary from 25% to 73%. Currently, there is no financial incentive for healthcare organisations to capture waste anaesthetic gases, and so the value of volatile capture technology requires quantification. System‐level organisations, such as Greener NHS, are best positioned to commission such evaluations and make policy decisions to guide investment. Further research using volatile capture technology in real‐world settings is necessary and we highlight some priority research questions to improve our understanding of the utility of this group of technologies.

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Section: Discussionmentioning

confidence: 99%

Volatile capture technology in sustainable anaesthetic practice: a narrative review

Gandhi,

Barker,

Cross

et al. 2024

Anaesthesia

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“…Advancement in technology has modernized of inhaled anesthesia delivery system and revolutionized conventional flow over vaporizers to electronic vaporizers. These electronic vaporizers are equipped with advanced safety features that deliver inhalational agents in a precisely controlled way even with low fresh gas flow 10,11 .…”

Section: Discussionmentioning

confidence: 99%

Comparison of Manual Mode With Automatic Gas Control Mode for Sevoflurane Consumption in Maquet Flow-I Anesthesia Machine

Jamil¹,

Shahzad²,

Hussain³

et al. 2022

PJMHS

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Background: Inhalational anesthetic agents used for general anesthesia can have adverse effects on operation theater staff and environment. The innovative automated gas controller reduces inhalational anesthesia agent consumption. Aim: To compare sevoflurane consumption in manual mode versus automatic gas control (AGCTM) mode on Maquet Flow-i anesthesia machine in adult laparoscopic surgeries. Methods: This study was a randomized control trail conducted at Department of anesthesia, Security Forces Hospital Riyadh, Saudi Arabia and Pakistan Kidney and Liver Institute and Research Center, Lahore, Pakistan from December 2019 till December 2020. Sixty patients were randomly divided into two Groups A (Automatic Gas Control, AGCTM) and Group B (Manual Mode). Sevoflurane consumption and sevoflurane consumption rate was calculated in both groups. Data was analyzed using SPSS V.20. Results: Two groups were comparable in term of age, gender, and comorbidities. The mean sevoflurane consumption rate in group A was 23.92+4.6 as compared to 40.23+4.4 in group B (P=0.001). Similarly sevoflurane consumption rate is also statistically significant. (0.28 + 0.04 ml/min vs 0.47 + 0.02 ml/min, p=0.001) Conclusion: Sevoflurane consumption and sevoflurane consumption rate is lower in AGCTM mode as compared to manual mode of Maquet Flow-I anesthesia machine. Keywords: Sevoflurane, Maquet Flow-i, Automatic Gas Controller (AGCTM), Laparoscopic Surgeries

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Aberrant cessation of inhalation anesthesia in an anesthesia machine equipped with a digital vaporizer

Moriyama

Koh

Takeuchi

et al. 2023

Can J Anesth/J Can Anesth

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Advances in vaporisation: A narrative review

Cited by 4 publications

References 12 publications

Volatile capture technology in sustainable anaesthetic practice: a narrative review

Volatile capture technology in sustainable anaesthetic practice: a narrative review

Comparison of Manual Mode With Automatic Gas Control Mode for Sevoflurane Consumption in Maquet Flow-I Anesthesia Machine

Aberrant cessation of inhalation anesthesia in an anesthesia machine equipped with a digital vaporizer

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