Comparison of a Patient-Centered Weight Loss Program starting before versus after knee replacement: A pilot study
Christine A Pellegrini1, Rowland W Chang2, Dorothy D Dunlop3
1University of South Carolina, Department of Exercise Science, Technology Center to Promote Health Lifestyles, 915 Greene Street, Suite 403, Columbia, SC 29208, United States; Northwestern University, Feinberg School of Medicine, Department of Preventive Medicine, 680 N. Lake Shore Drive, Suite 1400, Chicago, IL 60611, United States.
Obesity Research & Clinical Practice
|July 16, 2018
Summary
Weight loss programs initiated 12 weeks after knee replacement surgery led to greater weight reduction compared to pre-surgery programs. This study confirms feasibility of such interventions in knee replacement patients.
Area of Science:
- Orthopedic surgery
- Weight management interventions
- Patient-centered care
Background:
- Knee replacement patients often experience post-operative weight gain.
- Pre-existing overweight/obesity complicates post-surgical recovery.
- Weight management is crucial for long-term joint health.
Purpose of the Study:
- Assess weight changes in a Patient Centered Weight Loss Program (PACE).
- Compare initiating PACE before versus after knee replacement.
- Examine recruitment and retention feasibility over 26 weeks.
Main Methods:
- Randomized pilot study involving 16 knee replacement patients.
- PACE initiated either pre-surgery (≤6 weeks) or post-surgery (12 weeks).
- Repeated measures ANOVAs analyzed changes in weight, function, and outcomes.
Main Results:
- 75% and 69% retention at 12 and 26 weeks, respectively.
- Significant overall weight decrease across 26 weeks (P<0.001).
- Delayed PACE group lost significantly more weight (-7.6kg) vs. PACE group (-2.5kg) at 26 weeks (P=0.03).
Conclusions:
- Behavioral weight loss interventions are feasible in knee replacement patients.
- Starting a weight loss program 12 weeks post-surgery yields better results.
- Further research is warranted to optimize post-operative weight management.
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