Epidural local anesthetic plus corticosteroid for the treatment of cervical brachial radicular pain: Single injection versus continuous infusion

Alberto Pasqualucci, Giustino Varrassi, Antonio Braschi, Vito Aldo Peduto, Andrea Brunelli, Franco Marinangeli, Fabio Gori, Francesca Colò, Antonella Paladini, Francesco Mojoli

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Efficacy of epidural local anesthetics plus steroids for the treatment of cervicobrachial pain is uncertain. METHODS: A prospective study randomized 160 patients with cervicobrachial pain resistant to conventional therapy. Patients were divided into 4 groups on the basis of the time between pain onset and treatment initiation: group A, 40 patients with pain onset 15 to 30 days; group B, 40 patients with pain from 31 to 60 days; group C, 40 patients, 61 to 180 days; and group D, 40 patients with pain >180 days. Patients of each group were randomized to receive an epidural block with bupivacaine and methylprednisolone at intervals of 4 to 5 days (Single injection) or continuous epidural bupivacaine every 6, 12, or 24 hours plus methylprednisolone every 4 to 5 days (Continuos epidural). The maximum duration of treatment (9 blocks in Single injection, and 30 days in Continuos epidural) was dependent on achieving Pain Control (PC) >80% [PC is defined by this formulae: (100) (VASinitial-VASfinal)/VASinitial]. Follow-up at 1 month and 6 months compared PC and the number of pain-free hours of sleep. RESULTS: One hundred forty-one patients completed the study. The 4 groups had similar characteristics. At the 1-month and 6-month follow-up analysis based on the time between pain onset and treatment initiation showed that patients of group D, who received the Continuous epidural treatment, had significantly greater PC and significantly more pain-free hours of sleep compared with similar patients in Single injection. CONCLUSIONS: Therapy with continuous epidural local anesthetic and methylprednisolone provides better control of chronic cervicobrachial pain compared with Single injection. These results are discussed with respect to the possible mechanism of action of the drugs and may relate to the physiopathologic mechanisms associated with neuronal plasticity that result in chronic pain.

Original languageEnglish
Pages (from-to)551-557
Number of pages7
JournalClinical Journal of Pain
Volume23
Issue number7
DOIs
Publication statusPublished - Sep 2007

Keywords

  • Cervicobrachial pain
  • Chronic pain
  • Epidural corticosteroid
  • Epidural local anesthetic

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine
  • Clinical Neurology

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