Evaluation of lung function and clinical features of interlaminar cervical epidural steroid injections: a randomized controlled trial

Ji Seon Chae, Won Joong Kim, Gi Year Lee, Yong Ju Choi

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1 Scopus citations

Abstract

Objective: Interlaminar cervical epidural steroid injections (ICESIs) are commonly used to treat axial neck pain and cervical radicular pain. However, local anesthetics can spread to and block the phrenic nerve and upper segments of the thoracic spinal cord where the sympathetic innervation of the lungs emerges. Therefore, changes in lung function may occur following ICESIs. Methods: The primary outcome measure was the pulmonary function test (PFT) result 30 minutes before and after ICESI with ropivacaine (0.1875% or 0.25%). The secondary outcome measure was the comparison of the pain scores and functional disability between the two concentrations of ropivacaine 4 weeks after the ICESIs. Results: Fifty patients were randomly assigned to either the R1 (0.1875% ropivacaine) or R2 (0.25% ropivacaine) group. No significant difference was observed between the pre-ICESI and 30-minute post-ICESI PFT results within each group, and no difference was observed between the two groups. After 4 weeks of treatment, both groups showed a significant decrease in pain scores and functional disability; however, no significant differences were observed between the two groups. Conclusions: This study showed no significant change in lung function after ICESIs in either group and no local anesthetic concentration-based difference in the clinical efficacy of the ICESIs.

Original languageEnglish
JournalJournal of International Medical Research
Volume50
Issue number6
DOIs
StatePublished - Jun 2022

Bibliographical note

Funding Information:
The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (NRF-2019R1G1A1100523).

Publisher Copyright:
© The Author(s) 2022.

Keywords

  • Analgesia
  • cervical
  • disability evaluation
  • epidural
  • neck pain
  • radiculopathy
  • respiratory function test
  • steroid

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