Document Detail

Comparison of the laryngeal mask (LMA) and laryngeal tube (LT) with the new perilaryngeal airway (CobraPLA) in short surgical procedures.
MedLine Citation:
PMID:  16430795     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND OBJECTIVE: We compared the laryngeal mask airway (LMA) and the laryngeal tube (LT) with the newly introduced perilaryngeal airway (CobraPLA, PLA) with regard to haemodynamic responses induced by airway insertion, clinical performance and occurrence of postoperative sore throat after short surgical procedures. METHODS: After premedication, 90 ASA I-II patients awaiting short surgical procedures were randomized to receive, LMA, LT or PLA. Anaesthesia was induced with intravenous propofol (2.5 mg kg(-1)) and mivacurium (0.2 mg kg(-1)). Number of attempts, time of insertion of the device, any other unwanted effect, mean aterial pressure, heart rate, oxygen saturation and end-tidal carbon dioxide were recorded. At the end of surgery, the cuff of the device was immediately deflated and the airway device was removed. The device was examined and noted for the presence of visible blood. Patients were asked to rate their throat soreness, dysphonia and dysphagia 1 and 24 h postoperatively. RESULTS: There were no differences in haemodynamic variables. Insertion times for the devices were similar (LMA: 20 +/- 11 s, LT: 19 +/- 14 s and PLA: 21 +/- 12 s.) The success rates at first insertion were lower in the (LMA group (57%) when compared with the PLA (97%, P < 0.05). The number and type of airway interventions for achieving an effective airway were similar. When the airways were removed 50% of the PLA devices had positive blood traces, while only 17% of the LMA and LT devices had positive blood traces (P < 0.01). Fifty percent of the patients suffered from a sore throat in the PLA group, which was significantly higher than in the LMA and LT groups (P < 0.05). CONCLUSION: We conclude that haemodynamic, ventilation and oxygenation variables throughout the surgery were similar with, LMA, LT and PLA, but LT and PLA were easier to insert; LMA and LT caused less mucosal trauma.
A Turan; G Kaya; O Koyuncu; B Karamanlioglu; Z Pamukçu
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of anaesthesiology     Volume:  23     ISSN:  0265-0215     ISO Abbreviation:  Eur J Anaesthesiol     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-01-24     Completed Date:  2006-10-26     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8411711     Medline TA:  Eur J Anaesthesiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  234-8     Citation Subset:  IM    
Department of Anaesthesiology, Trakya University, Edirne, Turkey.
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MeSH Terms
Anesthesia, General
Carbon Dioxide / blood
Hemodynamics / physiology
Intubation, Intratracheal / instrumentation*
Laryngeal Masks*
Middle Aged
Oxygen / blood
Pharyngitis / epidemiology,  etiology
Postoperative Complications / epidemiology
Surgical Procedures, Operative
Reg. No./Substance:
124-38-9/Carbon Dioxide; 7782-44-7/Oxygen
Comment In:
Eur J Anaesthesiol. 2006 Aug;23(8):714-5   [PMID:  16805943 ]

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