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Spine (Phila Pa 1976). 1999 Nov 1;24(21):2268-72.

Microdecompression for lumbar spinal canal stenosis.

Author information

1
Department of Orthopaedic Surgery, Summa Health Systems, Akron, Ohio, USA.

Abstract

STUDY DESIGN:

A description of the technique for lumbar microdecompression and a prospective study of the outcomes.

OBJECTIVE:

To describe and analyze a technique that affords an excellent decompression while minimizing damage to surrounding tissues.

SUMMARY OF BACKGROUND DATA:

Commonly used techniques of lumbar decompression that include bilateral takedown of paraspinal musculature and aggressive bony resection can result in significant iatrogenic sequelae. A less destructive alternative is needed.

METHODS:

Unilateral limited takedown of multifidus was undertaken, and ipsilateral decompression performed. The contralateral side then was addressed under the midline structures with microscopic visualization--thereby preserving the supra-/interspinous ligament complex and the contralateral musculature. Thirty consecutive patients undergoing the procedure were analyzed prospectively and after a follow-up period by independent observers using a modified validated functional outcome score and patient satisfaction measures.

RESULTS:

The technique affords an excellent decompression while minimizing destruction to tissues not directly involved in the pathologic process. Functional outcome scores doubled, and 87% of patients reported high satisfaction rates.

CONCLUSIONS:

Lumbar microdecompression is a minimally invasive technique that appears to provide excellent functional outcomes.

[Indexed for MEDLINE]

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