ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2020
Increased survival rate in extension stemmed TKA in obese patients at minimum 2 years follow-up.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.
- Tibial stem extension versus standard configuration in primary cemented total knee arthroplasty: systematic review and meta-analysis.Journal of orthopaedic surgery and research · 2025Pooled it
- Prospective insights into tibial stems, cemented versus uncemented in primary total knee arthroplasty: A dual-energy X-ray absorptiometry study.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Trial
- Short-term benefits of image-based robotic assistance in TKA after prior HTO: A comparative study.Journal of experimental orthopaedics · 2026Article
- Causative factors for varus tibial baseplate subsidence in primary total knee arthroplasty: A retrospective analysis.Journal of orthopaedics · 2025Article
- Revision Rates for Aseptic Loosening in the Obese Patient: A Comparison Between Stemmed, Uncemented, and Unstemmed Tibial Total Knee Arthroplasty Components.Arthroplasty today · 2025Article
- Review
- Total Knee Arthroplasty in a Patient With Neurofibromatosis 1.Arthroplasty today · 2024Review
- Comprehensive evaluation of risk factors for aseptic loosening in cemented total knee arthroplasty: A systematic review and meta-analysis.Journal of experimental orthopaedics · 2024Review
- Appearance and evolution of radiolucent lines below the tibial implant in primary total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2024Article
- Appearance and evolution of radiolucent lines below the tibial implant in primary total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2024Article
- Total knee arthroplasty in patients with severe obesity: outcomes of standard keeled tibial components versus stemmed universal base plates.Knee surgery & related research · 2023Article
- Similar survival rate but lower functional outcomes following TKA in the elderly people compared to younger patients: analysis of a posterior stabilised implant with minimum 5-year follow-up.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- Total Knee Arthroplasty with Non-Stemmed Tibial Components among Obese Patients: Clinical and Radiologic Evaluation and Review of Literature.Bulletin of emergency and trauma · 2023Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTotal knee arthroplasty (TKA) is frequently performed for obese patients. TKA in this population shows a high rate of complication, particularly tibial component loosening. The aim of this study is to compare the survival rate of tibial components in obese population using TKA with stem versus without stem.
methodsFrom a prospective database of 4216 TKA, obese patients [body mass index (BMI) > 30 kg m²] with primary TKA using a tibial short stem extension (30 mm) at a minimum follow-up of 2 years were retrospectively reviewed and compared to a matched control group (1:3 ratio) with a standard tibial stem. Inclusion criteria were BMI > 30 kg m², first knee surgery and 24 months minimum of follow-up. The primary outcome was revision for tibial aseptic loosening. Secondary outcomes were all-cause revisions and Knee Society Scores (KSS).
resultsThe final study population consisted of 35 TKA with tibial extension stem versus 105 TKA with standard stem. The mean age was 69.2 and 69.5 years, respectively, with a mean follow-up of 52 months. Both groups were comparable before surgery. After 2 years of follow-up, we observed seven tibial loosening in the group without stem (6.6%) versus no tibial loosening in the stemmed group (p < 0.001). The difference in KSS knee score (83 versus 86; p = 0.06) and the KSS function score (73 versus 77; p = 0.84) were not statistically significant at the final follow-up.
conclusionUsing stemmed TKA for obese patients significantly decreased tibial loosening rate at minimum 2 years of follow-up. LEVEL OF EVIDENCE: Case-control study, Level III.
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