• Anaesthesia · Feb 1996

    Randomized Controlled Trial Comparative Study Clinical Trial

    The effect of tunnelling on epidural catheter migration.

    • R J Bougher, A R Corbett, and D T Ramage.
    • Department of Anaesthesia, Fremantle Hospital, Western Australia.
    • Anaesthesia. 1996 Feb 1;51(2):191-4.

    AbstractA prospective, randomised study of 82 patients having postoperative epidural analgesia was performed to determine whether the tunnelling of an epidural catheter influences its migration. Tunnelling of the catheter subcutaneously for a distance of 5 cm reduced the incidence of inward migration of 1 cm or more (p < 0.01) compared to a standard method of fixation with a transparent adhesive dressing. This effect was more marked if the epidural catheter was sited in the thoracic rather than the lumbar area. Sixty two percent (n = 26) of tunnelled catheters remained within 0.5 cm of their original position compared to 38% (n = 16) of non-tunnelled catheters, although this difference was not statistically significant. Outward catheter migration was not reduced by subcutaneous tunnelling.

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