Document Detail


Sagittal joint instability in the cranial cruciate ligament insufficient canine stifle. Caudal slippage of the femur and not cranial tibial subluxation.
MedLine Citation:
PMID:  24920141     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Objective: This in vivo study qualitatively describes the sagittal motion pattern of the cranial cruciate ligament (CrCL) insufficient canine stifle in operated and unoperated joints with cranio-caudal laxity on palpation. Material and methods: Sagittal stifle kinematics were recorded in vivo in dogs (> 15 kg BW) with unilateral (n = 7) or bilateral (n = 6) complete CrCL rupture and positive cranial drawer test as well as two sound control dogs using uniplanar fluoroscopic kinematography with the dogs walking on a treadmill. Stifle stability and sagittal motion pattern of the femur and the tibia were determined by visual inspection of the fluoroscopic video sequences. Results: Control dogs showed no cranio-caudal instability, identical to the contralateral stifles of the dogs with unilateral rupture. All unoperated stifles with CrCL rupture (n = 6) showed caudal slippage of the femur at the beginning of the stance phase. Of the 13 operated stifles (TightRope: n = 1, tibial tuberosity advancement, TTA: n = 6, tibial plateau leveling osteotomy, TPLO: n = 5, cranial closing wedge osteotomy, CCWO: n = 1) nine were unstable, showing the same motion pattern as the unoperated stifles. Conclusion: In the CrCL insufficient stifle with in vivo cranio-caudal instability caudal slippage of the distal femur at tow touch is the predominant motion pattern. Clinical significance: The discrepancy between in vivo motion pattern and in vitro simulation of CrCL insufficiency in which cranial tibial subluxation is the predominant sagittal motion pattern warrants further studies.
Authors:
J Rey; M S Fischer; P Böttcher
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere     Volume:  42     ISSN:  1434-1239     ISO Abbreviation:  Tierarztl Prax Ausg K Kleintiere Heimtiere     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-06-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9717383     Medline TA:  Tierarztl Prax Ausg K Kleintiere Heimtiere     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  151-6     Citation Subset:  IM    
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