Persistent pain associated with long-term intrathecal morphine administration

Winston C.V. Parris, Piotr Janicki, Benjamin Johnson, Janice Livengood, Letha Mathews

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

A 32-year-old man with chronic intractable right lower extremity pain unresponsive to multiple neurosurgical and pharmacologic treatments, including intrathecal morphine administration, was successfully treated with sciatic nerve block, discontinuance of opioid therapy, and psychologic interventions. Plasma and urine ratios of morphine metabolites morphine-3- glucuronide and morphine-6-glucuronide were analyzed at the beginning of our interventions, and the results indicated that morphine-3-glucuronide levels were significantly higher than morphine-6-glucuronide levels. The possible association between the observed morphine metabolite ratio and the intractable pain in patients resistant to opioids may have potential clinical implications.

Original languageEnglish (US)
Pages (from-to)417-419
Number of pages3
JournalSouthern Medical Journal
Volume89
Issue number4
DOIs
Publication statusPublished - Apr 1 1996

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All Science Journal Classification (ASJC) codes

  • Medicine(all)

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