• R J Stolker, A C Vervest, and G J Groen.
• Pain Clinic University Hospital Utrecht, The Netherlands.
• Acta Neurochir (Wien). 1993 Jan 1;122(1-2):82-90.

AbstractIn 40 patients with chronic thoracic spinal pain of more than 12 months duration which failed to respond to conservative treatment and with a previous evaluation by specialists, mainly neurologists and orthopaedic surgeons, the diagnosis of facet syndrome was made. This diagnosis was based on clinical criteria and a transient positive response to a prognostic blockade of the medial branch of the dorsal ramus of the thoracic spinal nerve. They were selected to undergo percutaneous radiofrequency denervation of the facet joints. The short and long-term results of 51 percutaneous thoracic facet denervations in 40 patients are described. After 2 months, 19 patients (47.5%) were pain-free, 14 patients (35%) had more than 50% pain-relief, and 7 patients (17.5%) had no relief. After a follow-up of 18-54 (average 31) months in 36 cases (3 patients had died because of malignancy, and 1 had undergone a spinal fusion), 16 patients (44%) were pain-free, 14 patients (39%) had more than 50% pain-relief and in 6 cases (17%) the result was poor. Adverse effects consisted of postoperative pain in 5 patients (12.5%). When conservative treatment fails, percutaneous thoracic facet denervation can be a safe and beneficial therapy in chronic thoracic spinal pain originating from the facet joints.

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