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  • Title: Intradiscal electrothermal therapy (IDET) for low back pain in worker's compensation patients: can it provide a potential answer? Long-term results.
    Author: Nunley PD, Jawahar A, Brandao SM, Wilkinson KM.
    Journal: J Spinal Disord Tech; 2008 Feb; 21(1):11-8. PubMed ID: 18418130.
    Abstract:
    OBJECTIVE: This prospective study was conducted to evaluate improvements in pain and disability in a series of 53 consecutive worker's compensation patients with low back pain (LBP) after treatment with the intradiscal electrothermal therapy (IDET) procedure. MATERIALS AND METHODS: All patients seen in the out-patient clinic of the Spine Institute of Louisiana for LBP of discogenic origin were screened for eligibility to receive IDET procedure. A total of 134 patients were treated using IDET for their discogenic LBP during the study period. Fifty-three patients presented to us via the worker's compensation claim program. The outcomes of these 53 patients were analyzed statistically for the current study by physical examination and self-assessment questionnaires of pain and disability at baseline and at 12-months postprocedure. Pain and disability outcomes were assessed by visual analog scale (VAS) pain score and Oswestry disability index, respectively. RESULTS: The mean patient age was 41.83 years (range 20 to 61 y). Whites (52.8%), African-Americans (30.2%), and Hispanics (17%) formed the majority of population. Forty-nine percent were using narcotics. The first definitive end point was considered at 12 months after the procedure. Median follow-up period was 56 months (range 29 to 72 mo). A mean reduction (P<0.001) of 62.6% in the VAS score and 69.3% in the Oswestry scores was noted after IDET. The patient's initial VAS and Oswestry scores (P<0.05) significantly affected the final outcomes. About 47.2% of the patients had some degree of economic productivity and only 7 (initial 26) consumed narcotic analgesics. CONCLUSIONS: IDET procedure can be a useful, safe, and cost-effective option in the management of carefully selected workers compensation claimants with chronic LBP of discogenic etiology.
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