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Low-flow and minimal-flow anaesthesia using the laryngeal mask airway

Published online by Cambridge University Press:  04 August 2006

T. Möllhoff ,
G. Burgard  and
T. Prien
T. Möllhoff
Affiliation:
Klinik und Poliklinik für Anästhesiologie und operative Intensivmedizin, Westfälische Wilhelms-Universität Münster, Albert-Schweitzer- Str. 33, 48149 Münster, Germany
G. Burgard
Affiliation:
Klinik und Poliklinik für Anästhesiologie und operative Intensivmedizin, Westfälische Wilhelms-Universität Münster, Albert-Schweitzer- Str. 33, 48149 Münster, Germany
T. Prien
Affiliation:
Klinik und Poliklinik für Anästhesiologie und operative Intensivmedizin, Westfälische Wilhelms-Universität Münster, Albert-Schweitzer- Str. 33, 48149 Münster, Germany
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Abstract

This study was designed to investigate whether the advantages of low- and minimal-flow anaesthesia can be combined with the laryngeal mask airway (LMA). Seventy female patients undergoing routine gynaecological surgery were investigated. After induction of anaesthesia and after positioning a laryngeal mask airway nos 3 and 4, patients were ventilated for 20 min with a fresh gas flow of 6L min−1. Thereafter, the flow was reduced to 1L min−1 in 50 patients and to 0.5L min−1 in 20 patients. Once in the proper position,the LMA allowed flow reduction in all patients, indicating that no gas leakage occurred. It is concluded,that the application of low-flow and even minimal-flow anaesthesia is an alternative to high-flow anaesthesia. It can result in high annual savings and minimization of pollution. However, its use should be restricted to those anaesthesiologists who are experienced with the laryngeal mask airway and minimal-flow anaesthesia.

Keywords

equipmentlaryngeal maskanaesthesialow-flow anaesthesiaminimal-flow anaesthesia
Type
Original Article
Information
European Journal of Anaesthesiology , Volume 13 , Issue 5 , May 1996 , pp. 456 - 462
Copyright
1996 European Society of Anaesthesiology

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