The SIGN nail for knee fusion: technique and clinical results

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The SIGN nail for knee fusion: technique and clinical results

Authors
  • Anderson, Duane Ray
  • Anderson, Lucas Aaron
  • Haller, Justin M.
  • Feyissa, Abebe Chala
Type
Published Article
Journal
SICOT-J
Publisher
EDP Sciences
Publication Date
Feb 05, 2016
Volume
2
Identifiers
DOI: 10.1051/sicotj/2015038
Source
EDP Sciences
Keywords
Disciplines
  • Original Article
License
Green

Abstract

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.

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