Effect of Tibial Tuberosity Advancement on Cranial Tibial Subluxation in Canine Cranial Cruciate-Deficient Stifle Joints: An In Vitro Experimental Study

To evaluate the effect of tibial tuberosity advancement (TTA) on tibiofemoral shear force as reflected by measurement of cranial tibial subluxation (CTS) and patella tendon angle (PTA) in the canine cranial cruciate ligament (CrCL) deficient stifle joint. In vitro cadaver study. Canine cadaveric hin...

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Bibliographic Details
Published in:Veterinary surgery 2007-02, Vol.36 (2), p.170-177
Main Authors: APELT, DETLEF, KOWALESKI, MICHAEL P, BOUDRIEAU, RANDY J
Format: Article
Language:English
Subjects:
Animals
Anterior Cruciate Ligament - surgery
Anterior Cruciate Ligament Injuries
Biomechanical Phenomena
Bone Plates
Cadaver
cranial cruciate ligament
dog diseases
dogs
Dogs - injuries
Dogs - surgery
Female
in vitro studies
In Vitro Techniques
joint diseases
Knee
Legs
Ligaments
Male
musculoskeletal system physiology
Osteotomy - veterinary
shear stress
simulation models
stifle
Stifle - surgery
surgery
Surgical techniques
tendons
tibia
Tibia - surgery
tibial tuberosity advancement
Veterinary services
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Summary:To evaluate the effect of tibial tuberosity advancement (TTA) on tibiofemoral shear force as reflected by measurement of cranial tibial subluxation (CTS) and patella tendon angle (PTA) in the canine cranial cruciate ligament (CrCL) deficient stifle joint. In vitro cadaver study. Canine cadaveric hind limbs (n=10). CTS and PTA were evaluated from lateral radiographic projections in axially loaded intact CrCL stifle joints, after transection of the CrCL, at a maximally advanced tibial tuberosity position, and at a critical point position. A custom-designed hinge plate allowed alteration of the tibia to tibial tuberosity distance (Ti-TT) under axial load. Digitized radiographic images were used to quantify CTS, PTA, and Ti-TT. Comparisons within groups were made using 1-way repeated measures ANOVA. A post hoc Tukey's HSD test was used to determine post-ANOVA pair-wise comparison within these groups. Significance was set at a value of P
ISSN:0161-3499
1532-950X
DOI:10.1111/j.1532-950X.2007.00250.x