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Pain Pract. 2013 Sep;13(7):572-5. doi: 10.1111/papr.12021. Epub 2012 Dec 13.

Ultrasound-guided continuous superficial peroneal nerve block below the knee for the treatment of nerve injury.

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  • 1Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157-1009, USA.


(CRPS) describes a constellation of symptoms including pain, trophic changes, hyperesthesia, allodynia, and dysregulation of local blood flow often following trauma. It is often confined to the extremities. Treatment of this disorder consists of a variety of modalities including systemic pharmacotherapy, local anesthetic injections or infusions, psychological nonpharmacotherapy, physical rehabilitation, and surgical intervention. Chronic pain not related to CRPS can also be treated with similar interventions. Despite the array of available therapies, it can still be difficult to manage. We report a case of a 19-year-old patient diagnosed by her surgeon as having CRPS Type II, secondary to foot trauma, which was treated with a continuous infusion of local anesthetic at the superficial peroneal nerve (SPN). While placement of peripheral nerve block catheters to augment chronic pain therapy is not novel, the application of a perineural catheter at the SPN has not been previously described.


chronic pain; complex regional pain syndrome type II; continuous perineural infusion; local anesthetic; peripheral nerve catheter; superficial peroneal nerve block; ultrasound-guided peripheral nerve block

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