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Related Experiment Videos

Intraspinal morphine for chronic pain: a retrospective, multicenter study

J A Paice1, R D Penn, S Shott

  • 1Department of Neurosurgery, Rush Medical Center, Chicago, Illinois 60612, USA.

Journal of Pain and Symptom Management
|February 1, 1996
PubMed
Summary

Intraspinal opioids offer significant pain relief for cancer and noncancer patients. While generally safe, long-term efficacy and adverse effects require further investigation through controlled studies.

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Area of Science:

  • Pain Management
  • Neurosurgery
  • Pharmacology

Background:

  • Intraspinal opioids are a common treatment for chronic cancer and noncancer pain.
  • Limited research exists on the long-term efficacy of intraspinal opioid therapy.

Purpose of the Study:

  • To evaluate the standard practices and outcomes of intraspinal opioid use in the United States.
  • To assess pain relief, dosing strategies, and adverse effects in patients receiving intraspinal opioids via implanted devices.

Main Methods:

  • A multicenter, retrospective study surveying 35 physicians on their practices.
  • Analysis of 429 patient forms detailing screening, outcomes, dosing, and adverse events.

Main Results:

  • Patients reported an average of 61% pain relief.

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  • Somatic pain showed greater relief compared to other pain types.
  • Long-term adverse effects were infrequent, but system malfunctions occurred in 21.6% of cases.

    • Conclusions:

    • Intraspinal opioids provide substantial pain relief for various chronic pain conditions.
    • Dosing strategies differ between cancer and noncancer pain patients.
    • Further prospective, randomized, controlled studies are needed to confirm long-term efficacy and safety.