The impact of absolute change in tibiofemoral morphology on patient reported outcome measures post total knee arthroplasty.
Isobel H Oon, Teresa Neeman, Jennie M Scarvell et al.
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In 30 seconds
This observational analysis of a randomized clinical trial examined the relationship between changes in tibiofemoral morphology and patient-reported outcome measures (PROMs) after total knee arthroplasty (TKA) in 61 participants. The study found that absolute changes in morphology had minimal impact on PROMs at six months post-surgery, with no significant relationships identified in the regression analysis.
Key findings
- Over 65% of variability in morphology change was driven by tibial rotation and posterior tibial slope.
- No significant relationships were found between morphological changes and PROMs postoperatively.
- Participants had a mean age of 66.9 years and a mean BMI of 32.8 kg/m².
Why it matters
Understanding the relationship between knee morphology changes and patient outcomes is crucial for optimizing total knee arthroplasty techniques. This study highlights that changes in morphology may not significantly influence patient satisfaction or pain relief post-surgery.