Laryngeal mask and magnetic resonance imaging

Rafferty, C.; Burke, Adrian M.; Cossar, Dora F; Farling, P.

doi:10.1111/j.1365-2044.1990.tb14842.x

Cited by 11 publications

(2 citation statements)

References 2 publications

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“…All catheter mounts and connectors should be plastic to avoid the production of artifacts on images. The use of the laryngeal mask has been reported but this requires further evaluation [29].…”

Section: Airway Managementmentioning

confidence: 99%

Magnetic resonance for the anaesthetist

et al. 1992

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SummaryAnaesthetists are increasingly involved in patient care during magnetic resonance imaging and spectroscopy. This paper describes a system which has been developed for the management of critically ill patients and the conduct of anaesthesia in a magnetic resonance unit with a 1.6 tesla whole body magnet. Dificulties which arise from working in a confined space in a high magnetic field are highlighted. Different approaches to anaesthesia, sedation and the modijication of equipment for use in [his environment ure reviewed. The problems associated with patient monitoring within a magnetic field are discussed and some solutions are suggested. A transport system for critically ill patients is described and a protocol for management is outlined.

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Section: Airway Managementmentioning

confidence: 99%

Magnetic resonance for the anaesthetist

et al. 1992

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“…Spontaneous respiration was usually adequate but critical care patients obviously required positive pressure ventilation. MR compatible laryngeal masks had just become available and this reduced the requirement for tracheal intubation [5]. Prior to the introduction of laryngeal masks, the problem of maintaining the airway, as the small child disappeared into the core of the magnet, resulted in some imaginative solutions!…”

mentioning

confidence: 99%

Anaesthesia in the Magnetic Resonance Unit: a hazardous environment

Farling

2002

Anaesthesia

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The laryngeal mask airway: its features, effects and role

1994

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The laryngeal mask airway was designed as a new concept in airway management and has been gaining a firm position in anaesthetic practice. Numerous articles and letters about the device have been published in the last decade, but few large controlled trials have been performed. Despite widespread use, the definitive role of the laryngeal mask has yet to be established. In some situations, such as after failed tracheal intubation or in anaesthesia for patients undergoing laparoscopic or oral surgery, its use is controversial. There are a number of unresolved issues, for example the effect of the laryngeal mask on regurgitation and whether or not cricoid pressure prevents placement of the mask. We review the techniques of insertion, details of misplacement, and complications associated with the use of the laryngeal mask. We discuss the features and physiological effects of the device, including the changes in intra-cuff pressure during anaesthesia and effects on blood pressure, heart rate and intra-ocular pressure. We then attempt to clarify the role of the laryngeal mask in airway management during anaesthesia, based on the current knowledge, by discussing the advantages and disadvantages as well as the indications and contraindications of its use. Lastly we describe the use of the laryngeal mask in circumstances other than airway maintenance during anaesthesia: fibreoptic bronchoscopy, tracheal intubation through the mask and its use in cardiopulmonary resuscitation.

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Laryngeal mask and magnetic resonance imaging

Cited by 11 publications

References 2 publications

Magnetic resonance for the anaesthetist

Magnetic resonance for the anaesthetist

Anaesthesia in the Magnetic Resonance Unit: a hazardous environment

The laryngeal mask airway: its features, effects and role

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