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Purpose: The purpose of this prospective study is to evaluate the benefits of this treatment for discogenic back pain.
Method: Thirty-four patients with chronic discogenic back pain underwent this therapy. All the patients had a failed trial of conservative treatment. Patients with a positive provocative discogram were selected for intra-discal electrothermal therapy (IDET). The outcome is assessed using a SF 36 questionnaire filled in pre-procedure and then at three, six, twelve and eighteen months and two years post-operatively.
Results: The mean age group of the patients was 37 years (range 15–58 years). All the patients had a minimum follow up of 12 months (range 6–2 years). Out of the 34 patients 5(14%) had no improvement and had to undergo an interbody fusion following IDET. No patient developed any neurological complications. At a minimum of one year follow-up 56% patients had improvement in physical function scores and 52% had improvement in pain scores as per the SF 36.
Conclusion: Thus IDET appears to be an effective procedure in the short-term relief of discogenic back pain in patients who otherwise might be candidates for fusion.