Imageless computer navigation in total knee arthroplasty provides superior short term functional outcomes: A meta-analysis

Brett A. Rebal, Oladapo M. Babatunde, Jonathan H. Lee, Jeffrey A. Geller, David A. Patrick, William Macaulay

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

Computer navigation in total knee arthroplasty (TKA) is intended to produce more reliable results, but its impact on functional outcomes has not been firmly demonstrated. Literature searches were performed for Level I randomized trials that compared TKA using imageless computer navigation to those performed with conventional instruments. Radiographic and functional outcomes were extracted and statistically analyzed. TKA performed with computer navigation was more likely to be within 3° of ideal mechanical alignment (87.1% vs. 73.7%, P<. .01). Navigated TKAs had a higher increase in Knee Society Score at 3-month follow-up (68.5 vs. 58.1, P= .03) and at 12-32. month follow-up (53.1 vs. 45.8, P<. .01). Computer navigation in TKA provides more accurate alignment and superior functional outcomes at short-term follow-up.

Original languageEnglish (US)
Pages (from-to)938-944
Number of pages7
JournalJournal of Arthroplasty
Volume29
Issue number5
DOIs
StatePublished - May 2014
Externally publishedYes

Keywords

  • Arthroplasty
  • Computer navigation
  • Knee
  • Meta-analysis
  • Total knee replacement

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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