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- Title
Force Plate Analysis Before and After Dorsal Decompression for Treatment of Degenerative Lumbosacral Stenosis in Dogs.
- Authors
Klaveren, Nicolien J.; Suwankong, Niyada; De Boer, Sanneke; Brom, Walter E.; Voorhout, George; Hazewinkel, Herman A. W.; Meij, Björn P.
- Abstract
Objective Using force plate analysis (FPA), determine ground reaction forces in dogs with degenerative lumbosacral stenosis (DLS) and evaluate the effects of lumbosacral decompressive surgery. Study Design Prospective clinical study. Animals Twelve dogs with DLS. Methods DLS was diagnosed by clinical signs, radiography, computed tomography, and/or magnetic resonance imaging. FPA was performed before surgery, and 3 days, 6 weeks, and 6 months after surgery. The mean peak braking (Fy+), peak propulsive (Fy−), and peak vertical (Fz+) forces of 8 consecutive strides were determined. The ratio between the total Fy− of the pelvic limbs and the total Fy− of the thoracic limbs (P/TFy−), reflecting the distribution of Fy−, was analyzed to evaluate any changes in locomotion pattern postoperatively. Ground reaction force data for DLS dogs were compared with data derived from 24 healthy dogs (control). Results In dogs with DLS, the propulsive forces (Fy−) of the pelvic limbs were significantly smaller than those of controls. P/TFy− was significantly smaller in dogs with DLS than in control dogs, and increased during the follow-up period, reaching normal values 6 months after surgery. Conclusions Cauda equina compression in dogs with DLS decreases the propulsive force of the pelvic limbs and surgical treatment restores the propulsive force of the pelvic limbs in a 6-month period. Clinical Relevance In dogs with DLS, FPA is an effective method in evaluating the response to surgical treatment. Normal propulsive force in the pelvic limbs was restored during 6 months after decompressive surgery.
- Subjects
DEGENERATION (Pathology); LUMBOSACRAL region; GROUND reaction forces (Biomechanics); BIOMECHANICS; DOGS; DISEASES
- Publication
Veterinary Surgery, 2005, Vol 34, Issue 5, p450
- ISSN
0161-3499
- Publication type
Article
- DOI
10.1111/j.1532-950X.2005.00068.x