Dhawan, R, Spencer Jones, R and Cool, P (2021) Distal femoral replacement - Does length matter? Mid-term results for distal femoral replacements. The Knee, 31. 97 - 109. ISSN 1873-5800

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BACKGROUND: Review of mid-term results (five years) for tumour and revision arthroplasty surgery using the Stanmore METS® distal femoral replacement.

METHODS: Data were collected retrospectively for 90 patients for procedures performed between 2002 and 2019. Kaplan-Meier survivorship for implant was estimated at five years post-op. Endpoints for survivorship analysis included revision for any cause and as per Henderson classification. Log rank test was used to compare implant survival for different categorical variables. Musculo-Skeletal Tumour Society (MSTS) score was used to estimate function.

RESULTS: Overall implant survival at five years was 76% (95% CI 66-86). Implants with a short body (<= 45 mm) had significantly better implant survival [87% (95% CI 78-99)] compared to those with larger bodies [63% (95% CI 48-82)] (logrank test, p = 0.031). There was no significant difference in implant survival for tumour and revision arthroplasty patients (logrank test, p = 0.61). Mean MSTS scores (median follow-up = 3.5 years) for tumour and revision arthroplasty patient were 71% and 63% respectively (Wilcoxon rank test, p < 0.05). Higher total number of surgeries was a significant predictor of patient mortality [HR = 0.7 (95% CI 0.49-0.99)]. Longer bodies were a significant predictor of implant failure [HR = 3.2 (95% CI 1.05-10.53), p < 0.05].

CONCLUSION: Overall outcome of Stanmore METS® distal femoral replacement at five years following tumour and revision arthroplasty reconstruction is comparable to the other implants.

Item Type: Article
Additional Information: This is the final published version of the article (version of record). It first appeared online via Elsevier at https://www.thekneejournal.com/article/S0968-0160(21)00145-9/fulltext#articleInformation. Please refer to any applicable terms of use of the publisher.
Uncontrolled Keywords: Distal femoral replacement, Revision knee surgery, Tumour surgery, Kaplan meier survival, Infection
Subjects: R Medicine > R Medicine (General)
R Medicine > RD Surgery
Divisions: Faculty of Medicine and Health Sciences > School of Medicine
Related URLs:
Depositing User: Symplectic
Date Deposited: 08 Sep 2021 13:28
Last Modified: 17 Nov 2021 15:06
URI: https://eprints.keele.ac.uk/id/eprint/10009

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