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Total knee replacement in the obese patient: comparing computer assisted and conventional technique
Yogeesh D Kamat1, Kamran M Aurakzai1, Ajeya R Adhikari1
1Elective Orthopaedic Centre, Epsom, Surrey KT18 7EG, UK.
Thescientificworldjournal
|February 14, 2014
Summary
Computer navigation in total knee replacement (TKR) offers obese patients better alignment without increasing surgery time. This technology provides a dual advantage for this growing patient population.
Area of Science:
- Orthopedic Surgery
- Medical Technology
- Obesity Research
Background:
- Obesity is a global epidemic, complicating surgical procedures.
- Total knee replacement (TKR) presents unique challenges in obese patients.
- Computer navigation is an emerging technology in orthopedic surgery.
Purpose of the Study:
- To evaluate the benefits of computer navigation during total knee replacement (TKR) in obese patients.
- To compare surgical time and outcomes between computer-navigated and standard TKR in obese individuals.
- To assess the accuracy of implant alignment in computer-navigated TKR for obese patients.
Main Methods:
- Retrospective analysis of 287 total knee replacements (TKR).
- Comparison of 133 computer-navigated TKRs versus 154 standard TKRs.
- Subgroup analysis of obese and nonobese patients within each group.
Main Results:
- Computer navigation eliminated the increased surgical time typically seen in obese patients undergoing TKR.
- Mid-term clinical outcomes at five years were comparable between navigated and standard TKR.
- Computer-navigated TKR demonstrated more consistent and accurate implant alignment.
Conclusions:
- Computer navigation offers obese patients undergoing TKR the dual benefits of improved alignment accuracy.
- The use of computer navigation negates the time penalty associated with TKR in obese individuals.
- Computer navigation enhances precision in total knee replacement for the obese population.
