Comparing Outcomes of Medial Parapatellar and Subvastus Approaches in Total Knee Arthroplasty. A Randomized Controlled Trial

Bourke, Michael G., Jull, Gwendolen A., Buttrum, Peter J., FitzPatrick, Prudence L., Dalton, Philip A. and Russell, Trevor G. (2012) Comparing Outcomes of Medial Parapatellar and Subvastus Approaches in Total Knee Arthroplasty. A Randomized Controlled Trial. Journal of Arthroplasty, 27 3: 347-353.e1. doi:10.1016/j.arth.2011.06.005

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Author Bourke, Michael G.
Jull, Gwendolen A.
Buttrum, Peter J.
FitzPatrick, Prudence L.
Dalton, Philip A.
Russell, Trevor G.
Title Comparing Outcomes of Medial Parapatellar and Subvastus Approaches in Total Knee Arthroplasty. A Randomized Controlled Trial
Journal name Journal of Arthroplasty   Check publisher's open access policy
ISSN 0883-5403
1532-8406
Publication date 2012-03-01
Year available 2011
Sub-type Article (original research)
DOI 10.1016/j.arth.2011.06.005
Open Access Status
Volume 27
Issue 3
Start page 347
End page 353.e1
Total pages 8
Place of publication Philadelphia, PA, United States
Publisher Churchill Livingstone
Language eng
Formatted abstract
The medial parapatellar (MP) approach in total knee arthroplasty is more common, but the subvastus (SV) approach is less insulting to the quadriceps. Whether the SV approach affords better outcomes was investigated using 90 participants with knee osteoarthritis, randomized to receive either SV or MP approaches and followed for 18 months. The primary outcome was the American Knee Society Score (AKSS); secondary outcomes included pain, knee range, quadriceps lag, Oxford Knee Score, 3-m timed “Up and Go” test, days to straight leg raise, surgeon perceived difficulty, operation duration, and length of stay. Analysis (n = 76) revealed no significant difference in AKSS (P = .076) or other outcomes, except the following: AKSS Functional scores at 12 and 18 months, favoring the MP (P = .032 and P = .028 respectively); surgeon's perceived difficulty, favoring the MP (P = .001); and days to straight leg raise, favoring the SV (P = .044). This study found that the SV approach offers no clinical benefit over the MP approach.
Keyword Arthroplasty
Knee
Medial parapatellar
Subvastus
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 9 August 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Health and Rehabilitation Sciences Publications
School of Medicine Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 7 times in Thomson Reuters Web of Science Article | Citations
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Created: Fri, 09 Dec 2011, 21:28:54 EST by Matthew Lamb on behalf of School of Medicine