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Effect of Nd:YAG laser energy on articular cartilage healing in the dog

✍ Scribed by Dr. Elizabeth M. Hardie; Cathy S. Carlson; Daniel C. Richardson

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
863 KB
Volume
9
Category
Article
ISSN
0196-8092

No coin nor oath required. For personal study only.

✦ Synopsis

The effect of low dose neodymium:yttrium aluminum garnet (Nd:YAG) laser therapy on cartilage healing was studied. Partialand full-thickness cartilage defects were surgically created in the femoral condyles of 20 adult dogs. The cartilage defects in one limb of each dog were exposed to 30 J of Nd:YAG laser energy.

The dogs were euthanatized 1 week (n = 6), 1 month (n = 7), and 6 months (n = 7) after surgery. Plastic-embedded, undecalcified histologic sections of each cartilage defect were examined for evidence of cartilage healing. Special stains were used to determine the type of repair tissue present, and morphometric measurements of repair tissue were made. No effect of Nd:YAG laser therapy on cartilage healing was noted.

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