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Accuracy of pressure plate kinetic asymmetry indices and their correlation with visual gait assessment scores in lame and nonlame dogs

Maarten Oosterlinck UGent, Tim Bosmans UGent, Frank Gasthuys UGent, Ingeborgh Polis UGent, Bernadette Van Ryssen UGent, Jeroen Dewulf UGent and Frederik Pille UGent (2011) AMERICAN JOURNAL OF VETERINARY RESEARCH. 72(6). p.820-825
abstract
Objective-To determine the accuracy of pressure plate kinetic asymmetry indices (ASIs) for diagnosis of unilateral hind limb lameness in dogs and their correlation with visual gait assessment (VGA) scores. Animals-9 healthy dogs and 16 dogs with previously diagnosed unilateral rupture of the cranial cruciate ligament and concurrent unilateral hind limb lameness. Procedures-Dogs were walked over a pressure plate to determine paw contact area (PCA), peak vertical pressure (PVP), peak vertical force (PVF), and vertical impulse (VI) of both hind limbs. An ASI was calculated for each gait variable. Simultaneously, gait was assessed visually and scored by use of a numeric rating scale (0 to 10). The ASI of each variable was tested for its usefulness in discrimination between lame and nonlame dogs and for correlation with VGA scores. Results-Sensitivity and specificity of AS's to discriminate between lame and nonlame dogs were excellent for PVF, VI, and PCA; these values were substantially lower for ASI of PVP. Cutoff values to discriminate between lame and nonlame dogs were determined by use of AS's for PVF, VI, and PCA; however, this could not be done for ASI of PVP. Correlations between AS's of PVF, VI, and PCA and VGA scores were higher than correlation between the ASIs of PVP and VGA scores. Conclusions and Clinical Relevance-Results indicated that ASIs of PVF and VI determined via analysis of pressure plate measurements were reliable indicators of clinical lameness in dogs, but the ASI of PVP was not. The ASI of PCA is an interesting new variable for assessment of limb loading symmetry.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
CRANIAL CRUCIATE LIGAMENT, GROUND REACTION FORCES, HEALTHY DOGS, VERTICAL FORCES, LIMB SYMMETRY, PLATFORM GAIT, SOUND DOGS, TROT, REDISTRIBUTION, OSTEOARTHRITIS
journal title
AMERICAN JOURNAL OF VETERINARY RESEARCH
Am. J. Vet. Res.
volume
72
issue
6
pages
820 - 825
Web of Science type
Article
Web of Science id
000291066900014
JCR category
VETERINARY SCIENCES
JCR impact factor
1.269 (2011)
JCR rank
39/141 (2011)
JCR quartile
2 (2011)
ISSN
0002-9645
DOI
10.2460/ajvr.72.6.820
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1932820
handle
http://hdl.handle.net/1854/LU-1932820
date created
2011-10-19 16:23:04
date last changed
2011-10-21 09:13:07
@article{1932820,
  abstract     = {Objective-To determine the accuracy of pressure plate kinetic asymmetry indices (ASIs) for diagnosis of unilateral hind limb lameness in dogs and their correlation with visual gait assessment (VGA) scores. 
Animals-9 healthy dogs and 16 dogs with previously diagnosed unilateral rupture of the cranial cruciate ligament and concurrent unilateral hind limb lameness. 
Procedures-Dogs were walked over a pressure plate to determine paw contact area (PCA), peak vertical pressure (PVP), peak vertical force (PVF), and vertical impulse (VI) of both hind limbs. An ASI was calculated for each gait variable. Simultaneously, gait was assessed visually and scored by use of a numeric rating scale (0 to 10). The ASI of each variable was tested for its usefulness in discrimination between lame and nonlame dogs and for correlation with VGA scores. 
Results-Sensitivity and specificity of AS's to discriminate between lame and nonlame dogs were excellent for PVF, VI, and PCA; these values were substantially lower for ASI of PVP. Cutoff values to discriminate between lame and nonlame dogs were determined by use of AS's for PVF, VI, and PCA; however, this could not be done for ASI of PVP. Correlations between AS's of PVF, VI, and PCA and VGA scores were higher than correlation between the ASIs of PVP and VGA scores. 
Conclusions and Clinical Relevance-Results indicated that ASIs of PVF and VI determined via analysis of pressure plate measurements were reliable indicators of clinical lameness in dogs, but the ASI of PVP was not. The ASI of PCA is an interesting new variable for assessment of limb loading symmetry.},
  author       = {Oosterlinck, Maarten and Bosmans, Tim and Gasthuys, Frank and Polis, Ingeborgh and Van Ryssen, Bernadette and Dewulf, Jeroen and Pille, Frederik},
  issn         = {0002-9645},
  journal      = {AMERICAN JOURNAL OF VETERINARY RESEARCH},
  keyword      = {CRANIAL CRUCIATE LIGAMENT,GROUND REACTION FORCES,HEALTHY DOGS,VERTICAL FORCES,LIMB SYMMETRY,PLATFORM GAIT,SOUND DOGS,TROT,REDISTRIBUTION,OSTEOARTHRITIS},
  language     = {eng},
  number       = {6},
  pages        = {820--825},
  title        = {Accuracy of pressure plate kinetic asymmetry indices and their correlation with visual gait assessment scores in lame and nonlame dogs},
  url          = {http://dx.doi.org/10.2460/ajvr.72.6.820},
  volume       = {72},
  year         = {2011},
}

Chicago
Oosterlinck, Maarten, Tim Bosmans, Frank Gasthuys, Ingeborgh Polis, Bernadette Van Ryssen, Jeroen Dewulf, and Frederik Pille. 2011. “Accuracy of Pressure Plate Kinetic Asymmetry Indices and Their Correlation with Visual Gait Assessment Scores in Lame and Nonlame Dogs.” American Journal of Veterinary Research 72 (6): 820–825.
APA
Oosterlinck, M., Bosmans, T., Gasthuys, F., Polis, I., Van Ryssen, B., Dewulf, J., & Pille, F. (2011). Accuracy of pressure plate kinetic asymmetry indices and their correlation with visual gait assessment scores in lame and nonlame dogs. AMERICAN JOURNAL OF VETERINARY RESEARCH, 72(6), 820–825.
Vancouver
1.
Oosterlinck M, Bosmans T, Gasthuys F, Polis I, Van Ryssen B, Dewulf J, et al. Accuracy of pressure plate kinetic asymmetry indices and their correlation with visual gait assessment scores in lame and nonlame dogs. AMERICAN JOURNAL OF VETERINARY RESEARCH. 2011;72(6):820–5.
MLA
Oosterlinck, Maarten, Tim Bosmans, Frank Gasthuys, et al. “Accuracy of Pressure Plate Kinetic Asymmetry Indices and Their Correlation with Visual Gait Assessment Scores in Lame and Nonlame Dogs.” AMERICAN JOURNAL OF VETERINARY RESEARCH 72.6 (2011): 820–825. Print.