Effect of the 1064-nm Nd-YAG Laser on Lumbar Intervertebral Disc Tissue: Experimental Study for Assessing the Operation Concept

  • E. Lensker
  • P. Simons
  • K. von Wild
  • H. P. Hobik
  • R. R. Lehmann
Conference paper
Part of the Advances in Neurosurgery book series (NEURO, volume 22)

Abstract

Increasing importance is being given to minimally invasive, percutaneous methods in the treatment of patients with therapy-resistant lumboischialgiae [8]. Using the dorsolateral approach, various procedures have been developed to decompress the affected nerve root. While chemonucleolysis decomposes the intervertebral disc tissue by a chondrolytic enzyme, other methods reduce the disc volume mechanically by forceps or automated probes. In 1986 Ascher was the first to use laser radiation clinically to decompress intervertebral discs [4]. Good results have been reported although various types of lasers and parameters are in use [1, 4, 9–11]. Nevertheless, there are considerable discrepancies in the conception of this method. Does the mechanism work on thermally achieved volume reduction only or must additive effects also be taken into account? Even the problem of serious complications that may arise has not yet been finally answered [6]. We considered these questions on the basis of our hospital-specific method in an experimental study.

Keywords

Peri Hematoxylin Eosin Glutaraldehyde Refrigeration 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • E. Lensker
    • 1
  • P. Simons
    • 1
  • K. von Wild
    • 1
  • H. P. Hobik
    • 2
  • R. R. Lehmann
    • 3
  1. 1.Abt. NeurochirurgieClemenshospitalMünsterGermany
  2. 2.Institut für PathologieClemenshospitalMünsterGermany
  3. 3.Institut für AnatomieWestfälischen Wilhelms-Universität MünsterMünsterGermany

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