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Does overstuffing of the patellofemoral joint in total knee arthroplasty have a significant effect on postoperative outcomes?
| Content Provider | Scilit |
|---|---|
| Author | Kemp, Mark A. Metcalfe, Andrew Sayers, Adrian Wylde, Vikki Eldridge, Jonathan D. Blom, Ashley W. |
| Copyright Year | 2018 |
| Description | Journal: The Knee There is ongoing debate in the literature as to whether or not patellofemoral joint overstuffing has a clinically significant effect on postoperative outcomes following total knee arthroplasty (TKA). This study investigates the effect of patellofemoral joint overstuffing on patient-reported outcomes using novel methods of radiographic measurement. The study population consisted of a prospective cohort of 266 patients receiving a Triathlon® (Stryker, Kalamazoo, MI, USA) TKA between 2006 and 2009. Participants completed the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaire preoperatively and at 12 months postoperatively. Pre- and postoperative radiographic measurements were taken according to a defined protocol to assess for patellofemoral overstuffing. Measurement reproducibility was assessed using inter-observer intraclass correlation coefficients. Associations between radiographic measurements and patient-reported outcomes were analysed using linear regression analysis. A total of 107 patients had adequate images and were included in the analysis for this study. Three different radiographic measurements were used to identify patellofemoral overstuffing all with good intra- and inter-observer reliability. There was no association identified between combined (patella and trochlea) patellofemoral overstuffing measurements and WOMAC scores. However, a statistically significant association was identified between an increase in anterior trochlear offset and worse knee pain and function scores (P < 0.05). There is no identifiable association between true patellofemoral overstuffing and clinical outcome; however, there is a small association with the anterior trochlear offset though further studies are warranted to confirm the clinical significance of this finding. |
| Related Links | https://research-information.bris.ac.uk/files/161193545/Revised_Manuscript1.pdf http://www.thekneejournal.com/article/S0968016018303089/pdf |
| Ending Page | 881 |
| Page Count | 8 |
| Starting Page | 874 |
| ISSN | 09680160 |
| e-ISSN | 18735800 |
| DOI | 10.1016/j.knee.2018.05.007 |
| Journal | The Knee |
| Issue Number | 5 |
| Volume Number | 25 |
| Language | English |
| Publisher | Elsevier BV |
| Publisher Date | 2018-10-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: The Knee Patellofemoral Overstuffing Anterior Trochlear Offset Total Knee Arthroplasty Patient-reported Outcome Measures |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Sports Science |
