• Proc (Bayl Univ Med Cent) · Apr 2016

    Use of ultrasound guidance to remove entrapped stimulating popliteal catheters.

    • Russell K McAllister, James B Hulin, and Don J Daniels.
    • Baylor Scott & White Health and Texas A&M College of Medicine, Temple, Texas (McAllister, Daniels); and Integris Southwest Hospital, Oklahoma City, Oklahoma (Hulin).
    • Proc (Bayl Univ Med Cent). 2016 Apr 1; 29 (2): 147-9.

    AbstractPeripheral nerve catheters are beneficial for continuous pain relief following surgery or trauma to an extremity. However, spring-loaded peripheral nerve catheters can become uncoiled and entrapped, resulting in difficulty in catheter removal. We present two cases where ultrasound guidance provided significant assistance in the safe removal of entrapped peripheral nerve catheters without neurologic sequelae. One of the catheters was adhered to nearby tissue, and one had become uncoiled and anchored in place by the distal tip. Guidelines for the safe management of entrapped catheters are suggested, including the use of saline injections through the catheter under ultrasound guidance to assist in the evaluation and removal of the catheters.

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