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The IDET procedure for chronic discogenic low back pain
Timothy T Davis1, Rick B Delamarter, Parveen Sra
1Spine Institute at Saint John's Health Center, Santa Monica, CA 90404, USA. tdavis@espineinstitute.com
Spine
|April 17, 2004
Summary
Intradiscal electrothermal therapy (IDET) for discogenic pain showed limited long-term benefits, with many patients experiencing persistent pain and dissatisfaction. Subsequent lumbar surgery rates were significant within two years post-procedure.
Area of Science:
- Spinal surgery and interventional pain management.
- Biomedical engineering and materials science in medical devices.
- Clinical outcomes research and patient-reported measures.
Background:
- Intradiscal electrothermal therapy (IDET) was developed for treating discogenic pain.
- Previous studies suggested over 70% of patients experienced improvement after IDET.
Purpose of the Study:
- To evaluate the long-term functional status, symptom relief, and need for subsequent treatments in patients who underwent IDET.
- To assess patient satisfaction and changes in pain medication usage following IDET.
Main Methods:
- A retrospective study involving 60 patients treated with IDET for discogenic pain.
- Patient outcomes were assessed approximately one year post-procedure via telephone interviews and questionnaires.
- Kaplan-Meier survival analysis was used to predict the rate of subsequent lumbar surgery.
Main Results:
- Of 44 respondents, 97% continued to experience back pain; 29% reported increased pain post-IDET.
- Patient satisfaction was low, with 50% dissatisfied; only 37% were satisfied.
- Employment rates decreased significantly post-IDET, and 15% of patients underwent lumbar fusion within one year.
Conclusions:
- Half of the patients reported dissatisfaction with IDET outcomes at the one-year follow-up.
- The rate of patients on disability remained unchanged.
- An estimated 30% of patients were predicted to undergo spinal fusion surgery within two years post-IDET.