Humidity and Temperature Changes during Low Flow and Closed System Anaesthesia

J. A. Aldrete; P. Cubillos; D. Sherrill

doi:10.1111/j.1399-6576.1981.tb01657.x

Humidity and Temperature Changes during Low Flow and Closed System Anaesthesia

J. A. Aldrete, P. Cubillos, D. Sherrill

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

Water humidity and temperature were measured in the proximal end of the inspiratory limb in anaesthetic circuits used to anaesthetize three groups of adult patients using various fresh gas flows (FGF). Humidity increased as FGF's were lowered, with 98% water humidification achieved when FGF's of less than 0.5 1/min were administered. Temperature at the same site changed about 1–2.5d̀C in inverse proportion to the volume of FGF. This advantage of closed system and low flow anaesthesia is a further reason for their wide‐spread utilization.

Original language	English (US)
Pages (from-to)	312-314
Number of pages	3
Journal	Acta Anaesthesiologica Scandinavica
Volume	25
Issue number	4
DOIs	https://doi.org/10.1111/j.1399-6576.1981.tb01657.x
State	Published - Aug 1981
Externally published	Yes

ASJC Scopus subject areas

Anesthesiology and Pain Medicine

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10.1111/j.1399-6576.1981.tb01657.x

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AB - Water humidity and temperature were measured in the proximal end of the inspiratory limb in anaesthetic circuits used to anaesthetize three groups of adult patients using various fresh gas flows (FGF). Humidity increased as FGF's were lowered, with 98% water humidification achieved when FGF's of less than 0.5 1/min were administered. Temperature at the same site changed about 1–2.5d̀C in inverse proportion to the volume of FGF. This advantage of closed system and low flow anaesthesia is a further reason for their wide‐spread utilization.

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Humidity and Temperature Changes during Low Flow and Closed System Anaesthesia

Abstract

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