This animal study compares different methods of performing an osteotomy, including using an Erbium-doped Yttrium Aluminum Garnet laser, histologically, radiologically and biomechanically. A total of 24 New Zealand rabbits were divided into four groups (Group I: multihole-drilling; Group II: Gigli saw; Group III: electrical saw blade and Group IV: laser). A proximal transverse diaphyseal osteotomy was performed on the right tibias of the rabbits after the application of a circular external fixator. The rabbits were killed six weeks after the procedure, the operated tibias were resected and radiographs taken.
The specimens were tested biomechanically using three-point bending forces, and four tibias from each group were examined histologically. Outcome parameters were the biomechanical stability of the tibias as assessed by the failure to load and radiographic and histological examination of the osteotomy site.
The osteotomies healed in all specimens both radiographically and histologically. The differences in the mean radiographic (p = 0.568) and histological (p = 0.71) scores, and in the mean failure loads (p = 0.180) were not statistically significant between the groups.
Different methods of performing an osteotomy give similar quality of union. The laser osteotomy, which is not widely used in orthopaedics is an alternative to the current methods.
Cite this article: Bone Joint J 2015;97-B:1628–33.
M. Elmadag: Study design, evaluation of the data, surgeon, writing manuscript.
G. Uzer: Study design, evaluation of the data, surgeon, writing manuscript.
F. Yildiz: Study design, evaluation of the data, surgeon, writing manuscript.
T. Erden: Collection of the data.
K. Bilsel: Study design, evaluation of the data, surgeon, writing manuscript.
N. Büyükpinarbasili: Study design, microscopic evaluation of the samples, writing manuscript.
A. Üsümez: Study design, surgeon, writing manuscript.
E. Bozdag: Study design, performing biomechanical tests, evaluation of the data from the biomechanical tests.
C. Sen: Consulting and editing.
No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article.
This article was primary edited by S. P. F. Hughes and first proof edited by J. Scott.
- Received March 2, 2015.
- Accepted July 28, 2015.
- ©2015 The British Editorial Society of Bone & Joint Surgery