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A comparison of the proseal laryngeal mask airway™, the laryngeal tube S® and the oesophageal–tracheal combitube™ during routine surgical procedures

Published online by Cambridge University Press:  11 May 2005

B. Bein ,
S. Carstensen ,
M. Gleim ,
L. Claus ,
P. H. Tonner ,
M. Steinfath ,
J. Scholz  and
V. Dörges
B. Bein
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
S. Carstensen
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
M. Gleim
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
L. Claus
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
P. H. Tonner
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
M. Steinfath
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
J. Scholz
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
V. Dörges
Affiliation:
University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Campus Kiel, Kiel, Germany
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Extract

Summary

Background and objective: This study was performed to compare three supraglottic airway devices: the ProSeal laryngeal mask airway (PLMA), the laryngeal tube S (LTS) and the oesophageal–tracheal combitube (OTC) during routine surgical procedures.

Methods: Ninety American Society of Anesthesiologists (ASA) I–III patients scheduled for routine minor obstetric surgery were randomly allocated to the PLMA (n = 30), the LTS (n = 30) or the OTC (n = 30) group, respectively. The overall success rate, insertion time, cuff pressures and resulting airway leak pressures were determined as well as a subjective assessment of handling and the incidence of sore throat, dysphagia and hoarseness were performed.

Results: Insertion time until the first adequate ventilation was significantly (P < 0.0001) shorter in the PLMA (median 29 s; 25–75th percentile 25–48 s; range 10–161 s; success rate 100%) and in the LTS group (38 s; 30–44 s; 13–180 s; 100%) compared to the OTC group (75 s; 48–98 s; 35–180 s; 90%). In vivo cuff pressures and airway leak pressures increased with the inflating cuff volume in all devices and were highest in the OTC group. Postoperatively, patients in the PLMA and the LTS group complained significantly less about sore throat (P < 0.001 and 0.05) and dysphagia (P < 0.001 and 0.02) compared to the OTC group, while there was no difference regarding the incidence of hoarseness. Subjective assessment of handling was comparable with the PLMA and the LTS, but inferior with the OTC.

Conclusions: In conclusion, both PLMA and LTS proved to be suitable for routine surgical procedures and proved to be superior to the OTC which cannot be recommended for routine use.

Keywords

LARYNGEAL MASKS, complicationsANAESTHESIA, airway, laryngeal tube, complicationsINTERMITTENT POSITIVE PRESSURE VENTILATION
Type
Original Article
Information
European Journal of Anaesthesiology , Volume 22 , Issue 5 , May 2005 , pp. 341 - 346
Copyright
© 2005 European Society of Anaesthesiology

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