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Intrathecal Drug Delivery for Intractable Pain: Identified Patient Satisfaction Survey Study Comparing Intrathecal
David M Schultz1, Caitlin H Bakke2, Hannah L Ruble2
1Nura Pain Clinic, Minneapolis MN, USA; Department of Anesthesia, Critical Care and Pain Medicine, University of Minnesota, Twin Cities, MN, USA.
Spinal targeted drug delivery (TDD) with higher intrathecal (IT) doses is safe and effective for complex chronic pain, improving quality of life and reducing opioid use. Higher IT doses correlate with increased patient satisfaction and no significant increase in side effects.
Area of Science:
- Pain Management
- Neurology
- Pharmacology
Background:
- Spinal targeted drug delivery (TDD) offers pain relief, reduces opioid use, and is cost-effective for chronic pain.
- Intrathecal (IT) infusion admixtures are commonly used in TDD for intractable pain.
Purpose of the Study:
- To determine treatment variables associated with patient satisfaction in spinal TDD.
- To evaluate the safety and efficacy of higher IT medication doses.
Main Methods:
- Survey of 560 patients with active TDD (Medtronic pain pumps) from November 2021 to February 2023.
- Assessed patient satisfaction with IT medication dosages, pain relief, side effects, functioning, and healthcare utilization.
- Analyzed relationships between satisfaction and IT medication dose, side effects, and duration of therapy.
Main Results:
- 63.8% reported good-to-excellent pain relief; 80.7% were highly satisfied with TDD.
- 78.5% discontinued or reduced systemic opioid use.
- Higher IT medication doses were significantly associated with increased patient satisfaction (p=0.02) without more bothersome side effects (p=0.05).
Conclusions:
- Higher IT doses in TDD are safe and effective for complex chronic pain, enhancing quality of life.
- TDD with higher IT doses is a viable alternative to long-term systemic opioids for selected patients.
- Patient satisfaction is linked to higher IT doses, fewer side effects, and longer TDD therapy duration.
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