Biomechanical comparison of canine median sternotomy closure using suture tape and orthopedic wire cerclage

Author:

Rivenburg Rachel E.1,Maxwell Elizabeth A.1ORCID,Bertran Judith1ORCID,Souza Carlos H. De Mello1ORCID,Smith Benjamin L.2

Affiliation:

1. Department of Small Animal Clinical Sciences University of Florida College of Veterinary Medicine Gainesville Florida USA

2. Arthrex Inc., Department of Orthopedic Research Naples Florida USA

Abstract

AbstractObjectiveTo compare the mechanical properties of suture tape and orthopedic wire cerclage in an ex vivo canine median sternotomy model.Study designEx vivo.AnimalsTwelve large‐breed canine cadaveric sternums.MethodsMedian sternotomies were performed, leaving the manubrium intact. The specimens were randomly assigned to group W (20‐gauge stainless steel orthopedic wire cerclage in a figure‐of‐eight pattern) or group ST (suture tape in a figure‐of‐eight pattern). Each specimen was laterally distracted until failure using an electrodynamic materials‐testing system.ResultsNo differences were observed for displacement, yield load, maximum load, implant failure between the groups. The orthopedic wire construct was stiffer than the suture tape construct.ConclusionSuture tape was biomechanically similar to orthopedic wire cerclage for sternotomy closure in dogs, although wire constructs were stiffer.Clinical significanceSuture tape may represent an alternative to cerclage wire for sternotomy closure in dogs. Additional studies evaluating its clinical use are needed.

Publisher

Wiley

Subject

General Veterinary

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