Initial Tension Loss in Cerclage Cables

Abstract Cerclage cables, frequently used in the management of fractures and osteotomies, are associated with a high failure rate and significant loosening during surgery. This study compared the capacity to maintain tension of different types of orthopaedic cable systems. Multifilament Cobalt–Chrom...

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Bibliographic Details
Published in:The Journal of arthroplasty 2013-10, Vol.28 (9), p.1509-1512
Main Authors: Ménard, Jérémie, Eng, MEng, Émard, Maxime, BEng, Canet, Fanny, Eng, MScA, Brailovski, Vladimir, Eng, PhD, Petit, Yvan, Eng, PhD, Laflamme, George Y., MD, FRCS(c)
Format: Article
Language:English
Subjects:
cable
cerclage
Fracture Fixation, Internal - instrumentation
Fracture Healing
fractures
Fractures, Bone - surgery
Humans
Internal Fixators - adverse effects
Mechanical Phenomena
Orthopedics
osteotomie
Osteotomy - instrumentation
Prosthesis Failure
tension loss
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Summary:Abstract Cerclage cables, frequently used in the management of fractures and osteotomies, are associated with a high failure rate and significant loosening during surgery. This study compared the capacity to maintain tension of different types of orthopaedic cable systems. Multifilament Cobalt–Chrome (CoCr) cables with four different crimp/clamp devices (DePuy, Stryker, Zimmer and Smith&Nephew) and one non-metallic Nylon (Ny) cable from Kinamed were instrumented with a load cell to measure tension during insertion. Significant tension loss was observed with crimping for all cables ( P < 0.05). Removing the tensioner led to an additional unexpected tension loss (CoCr-DePuy: 18%, CoCr-Stryker: 29%, CoCr-Smith&Nephew: 33%, Ny: 46%, and CoCr-Zimmer: 52%). The simple CoCr (DePuy) cable system outperformed the more sophisticated locking devices due to its significantly better ability to prevent tension loss.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2013.03.014