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Chemonucleolysis. A ten-year retrospective study.

J C Thomas, L L Wiltse, E H Widell

    Clinical Orthopaedics and Related Research
    |May 1, 1986
    PubMed
    Summary
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    Chemonucleolysis offers a safe and effective treatment for herniated nucleus pulposus in ideal patients, with 81% achieving excellent or good outcomes after long-term follow-up. Disc rewidening occurred in some cases but was not essential for successful results.

    Area of Science:

    • Orthopedics
    • Neurosurgery
    • Minimally Invasive Procedures

    Background:

    • Herniated nucleus pulposus (HNP) is a common cause of low back pain.
    • Chemonucleolysis, an enzymatic disc decompression, has been used to treat HNP.
    • Long-term outcomes of chemonucleolysis in carefully selected patients require further evaluation.

    Purpose of the Study:

    • To evaluate the long-term efficacy and safety of chemonucleolysis in "ideal" patients with HNP.

    Main Methods:

    • Prospective evaluation of 42 "ideal" patients who underwent chemonucleolysis.
    • Median follow-up of 11.8 years.
    • Assessment through clinical examination, patient questionnaires, and radiographic imaging (roentgenograms).

    Main Results:

    Related Experiment Videos

    • 81% of patients achieved an "excellent" or "good" clinical outcome.
    • No complications were reported during the follow-up period.
    • Disc space rewidening was observed in 26% of injected discs, with all showing excellent results, though not required for success.

    Conclusions:

    • Chemonucleolysis is a viable and safe definitive treatment option for carefully selected patients with herniated nucleus pulposus.
    • Long-term follow-up confirms sustained positive outcomes.
    • Radiographic changes like disc narrowing and sclerosis are often associated with good clinical results.