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Inhalational anaesthesia with low fresh gas flow
Author(s) -
Christian Hönemann,
O. Hagemann,
Dietrich Doll
Publication year - 2013
Publication title -
indian journal of anaesthesia/indian journal of anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.645
H-Index - 30
eISSN - 0976-2817
pISSN - 0019-5049
DOI - 10.4103/0019-5049.118569
Subject(s) - medicine , anesthesia , fresh gas flow , sevoflurane
During the inhalation of anaesthesia use of low fresh gas flow (0.35-1 L/min) has some important advantages. There are three areas of benefit: pulmonary - anaesthesia with low fresh gas flow improves the dynamics of inhaled anaesthesia gas, increases mucociliary clearance, maintains body temperature and reduces water loss. Economic - reduction of anaesthesia gas consumption resulting in significant savings of > 75% and Ecological - reduction in nitrous oxide consumption, which is an important ozone-depleting and heat-trapping greenhouse gas that is emitted. Nevertheless, anaesthesia with high fresh gas flows of 2-6 L/min is still performed, a technique in which rebreathing is practically negligible. This special article describes the clinical use of conventional plenum vaporizers, connected to the fresh gas supply to easily perform low (1 L/min), minimal (0.5 L/min) or metabolic flow anaesthesia (0.35 L/min) with conventional Primus Draeger(®) anaesthesia machines in routine clinical practice.

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