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Lumbar retrodiscal transforaminal injection.

Joseph F Jasper1

  • 1Advanced Pain Medicine Physicians, Tacoma, WA 98465-1613, USA. apmedicine@qwest.net

Pain Physician
|May 26, 2007
PubMed
Summary
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A new retrodiscal transforaminal injection technique for lumbar radiculitis offers precise targeting. This method ensures reliable contrast coverage of the epidural space, potentially improving outcomes for specific back pain patients.

Area of Science:

  • Pain Management
  • Minimally Invasive Procedures
  • Spinal Anatomy

Background:

  • Spinal injections are common for lumbar radiculitis and back pain.
  • Precise medication delivery is crucial for therapeutic success.
  • Various epidural injection routes exist for corticosteroid delivery.

Purpose of the Study:

  • To demonstrate a modified transforaminal injection technique.
  • To describe radiographic contrast spread using a retrodiscal approach.
  • To suggest improved targeting of pain sources in selected patients.

Main Methods:

  • Review of lumbar epidural space anatomy relevant to injectate flow.
  • Documentation of contrast spread in lumbar transforaminal injections with a retrodiscal needle placement.

Related Experiment Videos

  • Comparison with typical infra-pedicular transforaminal injection contrast patterns.

    • Main Results:

    • Retrodiscal contrast injection provides reliable coverage of the retrodiscal region.
    • The exiting nerve and proximal segmental neural sleeve are adequately covered.
    • Contrast patterns differ between retrodiscal and infra-pedicular techniques, especially at low volumes.

    Conclusions:

    • Radiographic findings highlight distinct contrast patterns between infra-pedicular and retrodiscal transforaminal epidural injections.
    • Further randomized studies are needed to establish clinical advantages of each technique.