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Comparative Analysis of Knee Joint Fusion with Long Locking Nail and Ilizarov Apparatus in Patients with Deep Infection after Arthroplasty

Leonid Nikolaevich Solomin , E. A. Shchepkina, K. L. Korchagin, F. K. Sabirov
Traumatology and Orthopedics of Russia , Volume 26; doi:10.21823/2311-2905-2020-26-3-109-118

Abstract: Relevance. Deep infection after knee arthroplasty requires radical surgical treatment of the infection site, removal of endoprosthesis components, and an antimicrobial spacer placement. If revision knee arthroplasty is impossible, the «gold standard» for this kind of patients is knee joint arthrodesis. The purpose of the study was the comparative analysis of knee joint fusion by external and internal fixation. Materials and Methods. The analysis of 60 cases of knee arthrodesis was carried out. The patients were divided into two groups with 30 patients in each. In the first group, knee arthrodesis was performed with long locking nail, in the second group — with external ring fixation. We compared the groups by intraoperative and drainage blood loss, the inpatient treatment duration, the terms of fusion and complications registered. The patients quality of life was evaluated using the SF-36 questionnaire before surgery, for the periods of 3, 6, and 12 months after the surgery. Results. The comparison of two methods of knee arthrodesis showed that blood loss in the internal fixation compared with external one, was 2.03 times more, the duration of inpatient treatment was 1.4 times less, and the total number of complications was 4.4 times less. However, the complications that affected the treatment outcome in long nail group were 1.5 times more. The differences in the average time of ankylosis formation were not statistically significant (pConclusion. The results of our study suggests us to think, knee joint arthrodesis by long fusion nail should be prefereble. If the nail insertion is technically impossible, and there is the high risk of deep infection recurrence, the external osteosynthesis should be used.
Keywords: Treatment / quality of life / arthroplasty / nail / deep / Long Fusion / Knee Joint Arthrodesis

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