• Anaesthesia · Aug 2009

    Randomized Controlled Trial

    The impact of manual in-line stabilisation on ventilation and visualisation of the glottis with the LMA CTrach: a randomised crossover trial.

    • B S W Ng, R W L Goy, J A Bain, F G Chen, and E H C Liu.
    • Department of Anaesthesia, National University Health System, National University of Singapore, Singapore.
    • Anaesthesia. 2009 Aug 1;64(8):894-8.

    AbstractThe LMA CTrach (CTrach) enables ventilation, glottis visualisation and tracheal intubation via a laryngeal mask conduit. The CTrach has been successfully used in patients with cervical spine pathology, but it is unclear if cervical spine immobilisation affects its ease of use. In this randomised crossover trial, the CTrach was used once with and once without manual in-line stabilisation of the cervical spine in every patient. With manual in-line stabilisation, the median [IQR] time to achieve ventilation was 22 [16-32] s, compared with 19 [13-30] s without stabilisation (p = 0.065). With manual in-line stabilisation, the time to achieving a glottic views was 42 [30-63] s compared with 39 [25-53] s without stabilisation (p = 0.019). There was no difference in the success rates of achieving ventilation and glottic views. These results suggest that manual in-line stabilisation does not affect use of the CTrach.

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