Tibial Stems in Revision Total Knee Arthroplasty: Is There an Anatomic Conflict?
The Journal of Arthroplasty, ISSN: 0883-5403, Vol: 30, Issue: 9, Page: 86-89
2015
- 18Citations
- 33Captures
- 1Mentions
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Metrics Details
- Citations18
- Citation Indexes18
- 18
- CrossRef14
- Captures33
- Readers33
- 33
- Mentions1
- News Mentions1
- 1
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Tibial Stems in Revision Total Knee Arthroplasty: Is There an Anatomic Conflict?
Authors: Mohamed S Gobba, Newton Chan, Rikin Patel, Philip C Noble, Stephen J Incavo PMID: 26118566 DOI: 10.1016/j.arth.2014.12.039 ISSN: 1532-8406 Journal Title: The Journal of
Article Description
Tibial stems are frequently used in revision total knee arthroplasty (TKA). We investigated the effect of tibial stems on final component alignment and tray position. Thirty 3D reconstructed cadaveric tibial models were classified according to canal bow angle. After virtual implantation of 120 mm and 200 mm stemmed tibial components, deviation from native mechanical axis was measured. Tibial alignment valgus malposition of up to three degrees occurred and most pronounced with 120 mm stems. Canal alignment using 200 mm stems deviated tray position medially and posteriorly. Mild to moderate valgus bowing of the tibial canal is not uncommon (57% in our series) possibly leading to valgus malalignment. Anatomic conflict between the tibial mechanical axis and intramedullary canal can exist, with alignment and tray placement implications.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0883540315004714; http://dx.doi.org/10.1016/j.arth.2014.12.039; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84940890113&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/26118566; https://linkinghub.elsevier.com/retrieve/pii/S0883540315004714; http://www.arthroplastyjournal.org/article/S0883-5403(15)00471-4/abstract
Elsevier BV
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