Background: Treatment of fractures around the knee in the elderly is somewhat controversial with primary total knee arthroplasty (TKA) gaining prominence over the past decade or so, as an alternative for open reduction and internal fixation. The present review was conceptualized to review the published literature and evaluate outcomes of TKA in these patients, and to understand whether this is a viable treatment option for these fractures. We have further tried to identify complications and the challenges faced while performing this surgery.
Methods: PRISMA guidelines were followed and search was conducted on three databases-PubMed, EMBASE and SCOPUS. Studies evaluating multiple factors related to outcomes and complications in primary TKA performed for fractures around the knee in the elderly were included. Cadaveric studies, conference abstracts, case reports, and any studies that included non-traumatic cases or revision after failed internal fixation, were all excluded.
Results: Eleven studies, published between 2011 and 2021 were included in our review. There was significant female preponderance in the study population (M:F = 1:3). Implants with higher constraint (high post, hinged prosthesis) were frequently required to compensate for ligamentous laxity due to the fractures. On pooled analysis the mean Knee Society Score (KSS) knee score was 84.62 (excellent), and mean knee range of motion was 107.25°. However, the mean KSS function score was 56.71 (poor), which could have been due to co-morbid conditions and pre-operative status. Overall complication rate was 14.6%; surgical site infection was the most commonly reported.
Conclusion: There remains limited evidence for the use of TKA as a primary treatment option for these injuries. In the presence of specific conditions, and in expert hands-it may be a viable alternative to osteosynthesis with comparable outcomes. More focused studies are needed to compare the two treatment options and to formulate guidelines.
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| http://dx.doi.org/10.1007/s43465-021-00579-z | DOI Listing |
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