Article ; Online: Medial gastrocnemius rotational flap for the reconstruction of extensor mechanism disruption in periprosthetic knee infections: a retrospective series with minimum two year follow-up.
2023 Volume 47, Issue 4, Page(s) 983–993
Abstract: Purpose: Extensor mechanism disruption following total knee arthroplasty has a prevalence ranging from 0.3 to 3%. Its management is challenging, especially in case of associated infection of the prosthetic implant. Surgical options are limited due to ... ...
Abstract | Purpose: Extensor mechanism disruption following total knee arthroplasty has a prevalence ranging from 0.3 to 3%. Its management is challenging, especially in case of associated infection of the prosthetic implant. Surgical options are limited due to the septic process, and the use of allograft or synthetic mesh are not recommended. The aim of this study was to report clinical outcomes, complications, survival, and surgical technique of medial gastrocnemius flap for the treatment of extensor mechanism disruptions associated with periprosthetic knee infection. Methods: This is a retrospective study from a prospectively collected arthroplasty registry from 2012 to 2019. Patients who received the gastrocnemius flap in the setting of a two-stage knee replacement for periprosthetic infection were included. Results of physical examination, Knee Society Score, Oxford Knee Score, and measurement of the range of motion registered pre-operatively were compared to those obtained at last follow-up. Survival was analysed through Kaplan-Meier curve. Results: A total of 15 patients were included, with a mean age of 63.4 years (range 36-77). The reconstruction of the extensor mechanism demonstrated a success rate of 73.3%. The mean extension lag at final follow-up was 7.5° (range, 0-30). The mean Knee Society Score and Oxford Knee Score improved from 29.0 (range, 21-36) and 17.5 (range, 13-22) respectively, to 82.9 (range, 74-89) and 36.0 (range, 33-39). Conclusion: Medial gastrocnemius rotational flap is a reliable option for joint and limb salvage in case of periprosthetic knee infection associated with wide soft tissue degeneration and extensor mechanism disruption. The technique and surgical protocol presented in this study are reproducible and guaranteed good clinical outcomes and infection control. |
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MeSH term(s) | Humans ; Adult ; Middle Aged ; Aged ; Retrospective Studies ; Follow-Up Studies ; Treatment Outcome ; Muscle, Skeletal/surgery ; Knee Joint/surgery ; Arthroplasty, Replacement, Knee/adverse effects ; Arthroplasty, Replacement, Knee/methods ; Knee Prosthesis/adverse effects ; Reoperation |
Language | English |
Publishing date | 2023-02-08 |
Publishing country | Germany |
Document type | Journal Article |
ZDB-ID | 80384-4 |
ISSN | 1432-5195 ; 0341-2695 |
ISSN (online) | 1432-5195 |
ISSN | 0341-2695 |
DOI | 10.1007/s00264-023-05716-x |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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