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Related Experiment Videos

CT changes after lumbar percutaneous automated nucleotomy

R Dullerud1, T Amundsen, P H Nakstad

  • 1Department of Radiology, Ullevaal University Hospital, Oslo, Norway.

Acta Radiologica (Stockholm, Sweden : 1987)
|September 1, 1994
PubMed
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Percutaneous nucleotomy can reduce the size of medium and large disk hernias. However, changes in herniation size or disk space reduction did not correlate with clinical outcomes.

Area of Science:

  • Neurosurgery
  • Radiology
  • Orthopedics

Background:

  • Disk hernias are a common cause of back pain.
  • Percutaneous nucleotomy is a minimally invasive procedure for treating disk herniations.

Purpose of the Study:

  • To evaluate changes in disk hernias and disk spaces after percutaneous nucleotomy.
  • To determine if these changes correlate with clinical outcomes.

Main Methods:

  • Follow-up CT scans were performed on 69 disks in 60 patients an average of 6 months post-procedure.
  • A subset of disks (43) underwent a second follow-up scan an average of 11 months later.
  • Hernia size and disk space changes were assessed radiographically.

Main Results:

Related Experiment Videos

  • Twenty-seven percent of disk hernias showed size reduction at the first follow-up.
  • Medium and large hernias were more likely to reduce in size compared to smaller ones.
  • Disk space reduction occurred in 29% of cases initially, with an additional 24% reduction observed by the second follow-up.
  • No significant association was found between changes in hernia or disk space size and clinical outcomes or the amount of nucleus material removed.

    • Conclusions:

    • Percutaneous nucleotomy can lead to radiographically evident reduction in disk hernia size, particularly for larger herniations.
    • Observed changes in disk hernia and disk space dimensions post-procedure do not reliably predict clinical outcomes.