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Cementless modular intramedullary nail without bone-on-bone fusion as a salvage procedure in chronically infected
Sara Scarponi1, Lorenzo Drago, Delia Romanò
1Centro di Chirurgia Ricostruttiva e delle Infezioni Osteo-articolari, Istituto Ortopedico I.R.C.C.S. Galeazzi, Via Riccardo Galeazzi, 4, Milano, 20161, Italy.
Purpose:
Our purpose was to evaluate long-term results of two-stage cementless intramedullary nailing without achieving bone-to-bone fusion for treating chronically infected total knee arthroplasty (TKA).
Methods:
Thirty-eight patients treated according to the same protocol were retrospectively evaluated for clinical, functional, laboratory and radiological outcomes.
Results:
Spacer exchange was necessary for infection persistence in one case. At a minimum two year follow-up, 34 patients (89.5%) showed no infection recurrence; among these 34 patients, 29 (85.3%) reported no or moderate pain [visual analogue scale (VAS) ≤3]; mild to moderate handicap (Lequesne Algofunctional Index < 7.5) was observed in 18 patients (52.9%). No patient underwent revision for aseptic loosening, and no nail breakage was observed.
Conclusions:
Two-stage cementless intramedullary nailing without achieving bone-to-bone fusion is a viable option for treating chronically infected TKA in selected, complex cases.
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