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Intrathecal hydromorphone for chronic nonmalignant pain: a retrospective study
V C Anderson1, B Cooke, K J Burchiel
1Department of Neurological Surgery, Oregon Health Sciences University, Portland, Oregon 97201, USA.
Pain Medicine (Malden, Mass.)
|April 23, 2004
Summary
Hydromorphone offers a safe alternative for intrathecal pain management when morphine fails. This study shows hydromorphone can reduce side effects and improve analgesia in chronic nonmalignant pain patients.
Area of Science:
- Pain Management
- Neurology
- Pharmacology
Background:
- Continuous intrathecal morphine therapy fails in 10-15% of chronic pain patients due to side effects or inadequate pain relief.
- Intrathecal hydromorphone is a potential alternative, but long-term data in nonmalignant pain is limited.
Purpose of the Study:
- To evaluate the safety and effectiveness of continuous intrathecal hydromorphone in nonmalignant pain patients who failed intrathecal morphine therapy.
Main Methods:
- Retrospective review of 37 patients with chronic nonmalignant pain.
- Patients received intrathecal hydromorphone after failing intraspinal morphine therapy.
Main Results:
- Hydromorphone reduced side effects like nausea, pruritus, and sedation in most patients.
- Analgesia improved by at least 25% in 6 of 16 patients switched for poor pain relief.
- Peripheral edema improved but recurred with prolonged hydromorphone use.
Conclusions:
- Intrathecal hydromorphone is a safe and effective alternative for long-term management of nonmalignant pain.
- It is particularly useful for patients experiencing pharmacological side effects or inadequate pain relief with morphine.
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