• Anaesthesia · Oct 2016

    Digital palpation of the pilot balloon vs. continuous manometry for controlling the intracuff pressure in laryngeal mask airways.

    • M Hensel, T Güldenpfennig, A Schmidt, M Krumm, T Kerner, and W J Kox.
    • Department of Anaesthesiology and Intensive Care Medicine, Park-Klinik-Weissensee, Berlin, Germany. hensel@park-klinik.com.
    • Anaesthesia. 2016 Oct 1; 71 (10): 1169-76.

    AbstractThis study compared two methods of controlling the intracuff pressure in laryngeal mask airways. One hundred and eighty patients were randomly assigned into two groups. In the first group (n = 90), after training, the intracuff pressure was controlled using digital palpation of the pilot balloon. In the second group (n = 90), continuous manometry was used to control the intracuff pressure. An upper pressure limit of 60 cmH2 O was set. The median (IQR [range]) intracuff pressure in the palpation group was 130 (125-130 [120-130]) cmH2 O compared with 29 (20-39 [5-60]) cmH2 O in the manometry group (p < 0.001). In the palpation group, 37% of patients experienced pharyngolaryngeal complications vs. 12% in the manometry group (p < 0.001). We conclude that the digital palpation technique is not a suitable alternative to manometry in controlling the intracuff pressure in laryngeal mask airways.© 2016 The Association of Anaesthetists of Great Britain and Ireland.

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