Chronic extensor mechanism insufficiency in total knee arthroplasty (TKA)

Umberto Cottino, Matthew P. Abdel, Arlen D. Hanssen

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations


Chronic insufficiency of the knee extensor mechanism is a very challenging pathology to treat. An insufficient extensor mechanism negatively affects implant survival and patient outcomes. The causes of insufficiency can be several, and the surgeon has to be prepared to manage them intraoperatively and postoperatively. Various reconstructive techniques have been proposed, but traditional results in patients with a total knee arthroplasty are usually inferior to those patients with native knee joints. It is of primary importance to understand the anatomy, and tailor the correct treatment to the patient.

Original languageEnglish (US)
Pages (from-to)368-372
Number of pages5
JournalCurrent Reviews in Musculoskeletal Medicine
Issue number4
StatePublished - Dec 1 2015


  • Extensor mechanism disruption
  • Extensor mechanism reconstruction
  • Marlex mesh reconstruction
  • Synthetic reconstruction
  • Total knee arthroplasty (TKA)

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine


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