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NSA Abstract LDH Analysis - Pamila Viswanathan and Team

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NSA Abstract LDH Analysis - Pamila Viswanathan and Team

  1. 1. Cost Effectiveness and Cost Utility Analysis of Treatment of Lumbar Disc Herniation: Ways to Resolve SPORT and “unSPORTSmanlike conduct” Pramila Viswanathan, M.D. George Cybulski, M.D Rupa Babu, M.D. Leigh Jarboe, R.N. Timothy Classen, Ph.D.
  2. 2. INTRODUCTION Healthcare reform will place increasing emphasis on the use of evidence-based medicine to attempt to control costs as well as improve quality and efficacy of care. Such a study, the Spine Patient Outcomes Research Trial (SPORT), has provided a confounding view of the appropriateness of conservative versus surgical treatment of lumbar disc herniation (LDH). Its findings, considered in context with measurements of cost and quality should be reevaluated before formulating guidelines for treatment of LDH. METHODS Economic parameters of cost-effectiveness (CE), cost utility (CU) and quality of treatment modalities of LDH were analyzed using the Cost Effectiveness Analysis Registry. Additional studies of alternative modalities were also reviewed. RESULTS Cost effectiveness analysis of treatment modalities of LDH measure the cost/health outcome ratio. Studies of CE with prolonged longitudinal follow up (one to five years) demonstrate a slight increase in cost of surgical treatment over “conservative” treatment. However, when quality-adjusted life years (QALY), a measure that involves a weighting system assigning value to the degree of quality of life, are compared between conservative measures and microdiscectomy, microdiscectomy groups had significant increase in quality results over conservatively treated groups. CONCLUSION LDH produces an acute state of ill being with accompanying significant disability. Studies of treatment of LDH that merely compare longitudinal effects of treatment (SPORT) fail to account for or measure the economic significance of accompanying disability which is significant in the near term. Conservative measures are barely cost effective overall in these studies and decidedly economically disadvantageous when quality measures (QALY) are utilized. Patients with LDH treated surgically resolve their symptoms and return to full activities of daily living quicker, resulting in overall increased productivity and increased QALYs. Such findings should be emphasized in the formulation of evidence based medicine guidelines.