Severe altered mentation due to cervicothoracic intrathecal pump after correction of cervical stenosis: a case report

Chinar Sanghvi, Tiffany Su, Tony L. Yaksh, David J. Copenhaver, Eric O. Klineberg, Michael J. Jung

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

BACKGROUND: Cerebral spinal fluid (CSF) dynamics are complex and changes in spinal anatomy may influence the rostrocaudal movement of intrathecal medications. We present the first reported case demonstrating that acute cervical spinal stenosis may impede the distribution of adjacent intrathecal medications, and that correction of such stenosis and the resulting changes in CSF flow may necessitate significant adjustments in the intrathecal infusates. CASE PRESENTATION: We present a case of a 60-year-old male patient with a cervicothoracic intrathecal pump (ITP) infusing morphine, bupivacaine, and baclofen for chronic neck pain. The alert and oriented patient had a recent fall resulting in an acute severe cervical stenosis and cord compression which required urgent surgical decompression. Postoperatively, after the cervical decompression, the patient had significant altered mental status requiring a naloxone infusion. Multiple attempts to reduce the naloxone infusion were initially not successful due to worsened somnolence. The previously tolerated ITP medications were continuously reduced over the next 14 days, allowing concomitant decrease and eventual cessation of the naloxone infusion while maintaining patient mental status. The only opioids the patient received during this period were from the ITP. CONCLUSIONS: This case presents clinical evidence that severe spinal stenosis may impede the rostral CSF distribution of intrathecal medications. Intrathecal medications previously tolerated by patients prior to decompression may need to be significantly reduced in the postoperative period.

Original languageEnglish (US)
Pages (from-to)1100-1102
Number of pages3
JournalRegional Anesthesia and Pain Medicine
Volume46
Issue number12
DOIs
StatePublished - Dec 1 2021
Externally publishedYes

Keywords

  • analgesics
  • chronic pain
  • neck pain
  • opioid
  • pain management

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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