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Int Orthop. 2014 Feb;38(2):319-28. doi: 10.1007/s00264-013-2081-4. Epub 2013 Sep 22.

Anterior knee pain after total knee arthroplasty: a narrative review.

Author information

1
Klinik für Orthopädie und Unfallchirurgie, Martin Luther Krankenhaus, Caspar Theyß Strasse 27-31, 14193, Berlin Grunewald, Germany, w.petersen@mlk-berlin.de.

Abstract

Anterior knee pain is one of the most common causes of persistent problems after implantation of a total knee replacement. It can occur in patients with or without patellar resurfacing. As a result of the surgical procedure itself many changes can occur which may affect the delicate interplay of the joint partners in the patello-femoral joint. Functional causes of anterior knee pain can be distinguished from mechanical causes. The functional causes concern disorders of inter- and intramuscular coordination, which can be attributed to preoperative osteoarthritis. Research about anterior knee pain has shown that not only the thigh muscles but also the hip and trunk stabilising muscles may be responsible for the development of a dynamic valgus malalignment. Dynamic valgus may be a causative factor for patellar maltracking. The mechanical causes of patello-femoral problems after knee replacement can be distinguished according to whether they increase instability in the joint, increase joint pressure or whether they affect the muscular lever arms. These causes include offset errors, oversizing, rotational errors of femoral or tibial component, instability, maltracking and chondrolysis, patella baja and aseptic loosening. In these cases, reoperation or revision is often necessary.

PMID:
24057656
PMCID:
PMC3923935
DOI:
10.1007/s00264-013-2081-4
[Indexed for MEDLINE]
Free PMC Article
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