Volume 2, 2016
|Number of page(s)||6|
|Published online||05 February 2016|
The SIGN nail for knee fusion: technique and clinical results
Soddo Christian Hospital, Soddo, Ethiopia
2 University of Utah Department of Orthopaedics, Salt Lake City, Utah, USA
* Corresponding author: email@example.com
Accepted: 30 November 2015
Purpose: Evaluate the efficacy of using the SIGN nail for instrumented knee fusion.
Methods: Six consecutive patients (seven knees, three males) with an average age of 30.5 years (range, 18–50 years) underwent a knee arthrodesis with SIGN nail (mean follow-up 10.7 months; range, 8–14 months). Diagnoses included tuberculosis (two knees), congenital knee dislocation in two knees (one patient), bacterial septic arthritis (one knee), malunited spontaneous fusion (one knee), and severe gout with 90° flexion contracture (one knee). The nail was inserted through an anteromedial entry point on the femur and full weightbearing was permitted immediately.
Results: All knees had clinical and radiographic evidence of fusion at final follow-up and none required further surgery. Four of six patients ambulated without assistive device, and all patients reported improved overall physical function. There were no post-operative complications.
Conclusion: The technique described utilizing the SIGN nail is both safe and effective for knee arthrodesis and useful for austere environments with limited fluoroscopy and implant options.
Key words: Knee fusion / Intramedullary nail / SIGN nails
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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