Comparison of Body Weight Distribution, Peak Vertical Force, and Vertical Impulse as Measures of Hip Joint Pain and Efficacy of Total Hip Replacement

Rachel Seibert, Denis J Marcellin-Little, Simon C. Roe, Venita Depuy, B. Duncan X Lascelles

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Objective: To determine whether there is a difference between the ability of peak vertical force (PVF), vertical impulse (VI), and percentage body weight distribution (%BWdist) in differentiating which leg is most affected by hip joint pain before total hip replacement (THR) surgery, and for measuring changes in limb use after THR surgery. Study Design: Prospective clinical study. Animals: Dogs (n = 47). Methods: Ground reaction force (GRF) data were collected using a pressure-sensitive walkway the day before THR surgery and at ~3, 6, and 12 months postoperatively. PVF and VI expressed as a percentage of body weight (%PVF, %VI), and %BWdist were recorded. Regression models performed separately for each outcome were used for statistical analysis. Results: When comparing limb use between the affected limb (AP) and the nonaffected limb (NP) preoperatively, differences between limbs were statistically significant when evaluated using PVF (P = .023), VI (P = .010), and %BWdist (P = .012). When evaluating the magnitude of absolute and percentage change difference in AP limb use preoperatively versus postoperatively, differences were statistically significant when evaluated using PVF (P < .001 and P = .001, respectively), VI (P = .001 and P < .001) and %BWdist (P < .001 and P < .001). Conclusion: There appeared to be no difference in the sensitivity of VI, PVF, and %BWdist for evaluating limb use before and after THR.

Original languageEnglish (US)
Pages (from-to)443-447
Number of pages5
JournalVeterinary Surgery
Volume41
Issue number4
DOIs
StatePublished - May 1 2012
Externally publishedYes

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Hip Replacement Arthroplasties
Hip Joint
Arthralgia
hips
limbs (animal)
pain
Extremities
Body Weight
body weight
surgery
Aptitude
clinical trials
Leg
legs
statistical analysis
experimental design
Prospective Studies
Dogs
Pressure
dogs

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Comparison of Body Weight Distribution, Peak Vertical Force, and Vertical Impulse as Measures of Hip Joint Pain and Efficacy of Total Hip Replacement. / Seibert, Rachel; Marcellin-Little, Denis J; Roe, Simon C.; Depuy, Venita; Lascelles, B. Duncan X.

In: Veterinary Surgery, Vol. 41, No. 4, 01.05.2012, p. 443-447.

Research output: Contribution to journalArticle

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