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CLINICAL INVESTIGATION
Year : 2014  |  Volume : 58  |  Issue : 1  |  Page : 25-29

Suction catheter guided insertion of ProSeal laryngeal mask airway: Experience by untrained physicians


Department of Anesthesiology and Intensive Care, A. Gemelli Hospital, Largo A. Gemelli 8, 00168 Rome, Italy

Correspondence Address:
Paola Aceto
Department of Anesthesiology and Intensive Care, A. Gemelli Hospital, Largo A. Gemelli 8, 00168 Rome
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.126784

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Background: The use of suction catheter (SC) has been shown to improve success rate during ProSeal laryngeal mask airway (PLMA) insertion in expert users. Aims: The aim of this study was to compare insertion of PLMA performed by untrained physicians using a SC or the digital technique (DT) in anaesthetised non-paralysed patients. Methods: In this prospective randomised double-blind study, conducted in the operating setting, 254 patients (American Society of Anaesthesiologists I-II, aged 18-65 years), undergoing minor surgery were enrolled. Exclusion criteria were body mass index >35 kg/m 2 , laryngeal or oesophageal varices, risk of aspiration or difficult face mask ventilation either referred or suspected (Langeron's criteria ≥2) and modified Mallampati classification score >2. Participants were randomly allocated to one of the two groups in which PLMA was inserted using DT (DT-group) or SC (SC-group). Statistical Analysis: Chi-square test with Yates' correction, Mann-Whitney U-test or Student's t-test were carried-out as appropriate. Results: The final insertion success rate was greater in SC-groupcompared with DT-group 90.1% (n = 109) versus 74.4% (n = 99) respectively (P = 0.002). Mean airway leak pressure was higher in SC-group compared to DT-group (23.7 ± 3.9 vs. 21.4 ± 3.2 respectively; (P = 0.001). There were no differences in insertion time, post-operative airway morbidity and complications. Conclusion: The findings of this study suggest that SC-technique improves the success rate of PLMA insertion by untrained physicians.


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