Reconstruction of Chronic Quadriceps Tendon Rupture: The Quadriceps Advancement and Imbrication Technique.

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Abstract

[Indexed for MEDLINE] 9. Eur J Orthop Surg Traumatol. 2015 Dec;25(8):1307-12. doi: 10.1007/s00590-015-1707-1. Epub 2015 Oct 1. Knee arthrodesis with modular nail after failed TKA due to infection. Gallusser N(1), Goetti P(2), Luyet A(2), Borens O(3). Author information: (1)Département de l'appareil locomoteur, Centre Hospitalier Universitaire Vaudois, Service d'orthopédie et traumatologie, University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, Switzerland. nicolas.gallusser@chuv.ch. (2)Département de l'appareil locomoteur, Centre Hospitalier Universitaire Vaudois, Service d'orthopédie et traumatologie, University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, Switzerland. (3)Département de l'appareil locomoteur, Centre Hospitalier Universitaire Vaudois, Service d'orthopédie et traumatologie, University of Lausanne, Rue du Bugnon 46, 1011, Lausanne, Switzerland. olivier.borens@chuv.ch. INTRODUCTION: Knee arthrodesis is an established procedure for limb salvage after failed total knee arthroplasty (TKA) in cases of recurrent infection, soft tissue damage, reduced bone stock or with a deficient extensor mechanism. Walking with an arthrodesis is more efficient and less costly in terms of energy expenditure than above-knee amputation. Surgical options include an arthrodesis nail, external fixator or compression plate. We present our results of knee arthrodesis using the modular Wichita Fusion Nail(®) in patients after infected TKA. METHODS: Fifteen patients with irretrievably failed TKA, due to infection, who underwent arthrodesis with the Wichita Fusion Nail(®) from 2004 to 2012 were retrospectively reviewed to assess fusion rate, time to fusion, complication rate, including new infections, and ambulatory status. RESULTS: Three patients were lost to follow-up. Mean follow-up was 33 months (6-132 months). At their most recent follow-up, all patients were walking with full weight bearing on a fused arthrodesis. Mean time to union was 9 months (3-29 months). Three patients necessitated a revision arthrodesis to achieve union after a mean of 5 months after the last procedure. CONCLUSION: Arthrodesis with the Wichita Fusion Nail(®) provides satisfactory results in patients with failure after infected TKA, with 75 % primary union rate and no new or persistent infection at last follow-up visit. Although burdened with a high complication rate, it represents an acceptable option for limb salvage in this particular pathology. DOI: 10.1007/s00590-015-1707-1