Effect of tibial insertion points for lateral suture stabilization on the kinematics of the cranial cruciate ligament deficient-stifle during early, middle and late stance: An in vitro study

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dc.contributor.authorAulakh, Karanvir Singhen
dc.contributor.committeechairLanz, Otto I.en
dc.contributor.committeememberHarper, Tisha Adele Mariaen
dc.contributor.committeememberMcLaughlin, Ronald Malcolmen
dc.contributor.departmentVeterinary Medicineen
dc.date.accessioned2014-11-13T07:00:24Zen
dc.date.available2014-11-13T07:00:24Zen
dc.date.issued2013-05-21en
dc.description.abstractObjective: To evaluate the effect of two tibial attachment sites for lateral suture stabilization (LSS) on the kinematics of the cranial cruciate ligament-deficient (CrCL-D) canine stifle during early, middle and late stance.<br />Study design: In vitro biomechanical study: 32 hind limbs from 16 canine cadavers.<br />Methods: Limbs were mounted in a testing jig and an electromagnetic tracking system was used to determine 3-D stifle kinematics under 33% body weight load during early, middle and late stance in the following sequence: CrCL intact, CrCL-D and LSS with the distal anchor through the tibial tuberosity (LSSTT) or through the cranial eminence of the extensor groove (LSSEG). The proximal anchor point was the lateral femoro-fabellar ligament.<br />Results: Transection of the CrCL resulted in significant changes in stifle kinematics during early, middle and late stance. Post-LSS stifle kinematics were more comparable to normal than post-transection kinematics for both techniques. Both LSS techniques restored stifle kinematics in CrCL-D stifles to varying amounts but neither technique successfully restored normal 3-D stifle kinematics. LSSEG improved kinematics of the CrCL-D stifle in the medial-lateral direction and axial rotation but performed poorly in restoring stifle kinematics in the cranial-caudal plane as compared to LSSTT.<br />Clinical significance: LSSTT and LSSEG techniques failed to completely restore normal stifle kinematics in CrCL-D stifles in vitro.en
dc.description.degreeMaster of Scienceen
dc.format.mediumETDen
dc.identifier.othervt_gsexam:487en
dc.identifier.urihttp://hdl.handle.net/10919/50844en
dc.publisherVirginia Techen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectCranial cruciate ligamenten
dc.subjectlateral suture stabilizationen
dc.subjectcranial tibial translationen
dc.subjectkinematicen
dc.titleEffect of tibial insertion points for lateral suture stabilization on the kinematics of the cranial cruciate ligament deficient-stifle during early, middle and late stance: An in vitro studyen
dc.typeThesisen
thesis.degree.disciplineBiomedical and Veterinary Sciencesen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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