• Anaesthesia · Aug 2013

    An ultrasound needle insertion guide in a porcine phantom model.

    • S Whittaker, G Lethbridge, C Kim, Z Keon Cohen, and I Ng.
    • Anaesthetic Department, Royal Melbourne Hospital, Melbourne, Vic., Australia.
    • Anaesthesia. 2013 Aug 1;68(8):826-9.

    AbstractWe compared nerve blockade with and without the Infiniti(TM) needle guide in an ultrasound in-plane porcine simulation. We recruited 30 anaesthetists with varying blockade experience. Using the guide, the needle tip was more visible (for a median (IQR [range]) of 67 (56-100]) % of the time; and invisible for 2 (1-4 [0-19]) s) than when the guide was not used (respectively 23 (13-43 [0-80]) % and 25 (9-52 [1-198]) s; both p < 0.001). The corresponding block times were 8 (6-10 [3-28]) s and 32 (15-67 [5-225]) s, respectively; p < 0.001. The needle guide reduced the block time and the time that the needle was invisible, irrespective of anaesthetist experience.Anaesthesia © 2013 The Association of Anaesthetists of Great Britain and Ireland.

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