• Rev Esp Anestesiol Reanim · Dec 2008

    Case Reports

    [Trapped epidural catheter: reconstruction of computed tomography images].

    • J A Román, M A Reina, A López, E De Luis, M S Fernández, and J M Escobar.
    • Servicio de Anestesiología, Hospital Universitario Montepríncipe, Madrid.
    • Rev Esp Anestesiol Reanim. 2008 Dec 1;55(10):640-3.

    AbstractA trapped epidural catheter without a knot is a rare complication. During placement of an epidural catheter for analgesia during labor, resistance made it impossible to position the catheter within the epidural space. A second catheter was inserted to provide the required analgesia. When the second catheter was removed, computed tomography (CT) revealed that the tip of the first catheter was close to the the right facet joint space. A second attempt to extract the catheter failed. In light of this situation, the patient was seated with the spine slightly bent to one side, a guidewire was inserted through the catheter lumen, and the catheter and guidewire were gently pulled; the catheter was extracted without causing the tip to break up. Three-dimensional CT reconstruction allowed the catheter tip and characteristics of the joint surfaces to be observed. We discuss protcols and alternative strategies that can be followed when an epidural catheter is difficult to remove, including the most appropriate images to use for guidance.

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