AI Article Synopsis
- An isolated tibial component revision may be an effective treatment for tibial loosening, with this study comparing outcomes from isolated versus total knee revision surgeries.
- The study involved 31 patients, with 14 receiving isolated revisions and 17 undergoing total revisions, assessing various postoperative metrics like range of motion and scores for knee function.
- Results indicated that although both surgery types yielded similar outcomes, the isolated revision had significant advantages, including less operating time and reduced blood loss.
Article Abstract
Background: An isolated tibial component revision could be a treatment option for isolated tibial side loosening; however, few studies have proved its efficacy. This study aimed to compare the clinical and radiological outcomes between isolated (tibial component) and total (femoral and tibial component) revision total knee arthroplasty (TKA).
Methods: Between January 2008 and February 2017, 31 patients underwent revision TKA for isolated tibial side loosening; 14 underwent an isolated tibial component revision (isolated group) and 17 underwent total (both femoral and tibial components) revision surgery (total group). The postoperative range of motion (ROM), Western Ontario and McMaster Universities osteoarthritis (WOMAC) index, Knee Society knee score (KSKS), Knee Society function score (KSFS), and mechanical axis (MA) were compared between the two groups. The intraoperative tourniquet time and amount of blood drainage were also compared.
Results: The mean follow-up durations in the isolated and total groups were 40.7 and 56.1 months, respectively. Both groups had similar postoperative ROM, WOMAC index, KSKS, KSFS, and MA; however, significantly shorter tourniquet time (105.2 vs. 154.6 min, P < 0.001) and less blood drainage (417.2 vs. 968.1 ml, P < 0.001) were noted in the isolated group than in the total group.
Conclusion: Isolated tibial component revision TKA for tibial component loosening showed comparable clinical and radiological outcomes to those of total revision TKA. The advantages of the isolated tibial component revision surgery were short operation time and small blood loss.
Study Design: Level III, Retrospective comparative study.
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| http://dx.doi.org/10.1016/j.jos.2020.05.007 | DOI Listing |
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