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J Hand Microsurg 2012; 04(01): 16-20
DOI: 10.1007/s12593-012-0063-1
Original Article
Thieme Medical and Scientific Publishers Private Ltd.

Tensile Strength of Flexor Tendon Repair Using Barbed Suture Material in a Dynamic Ex Vivo Model

Philip H. Zeplin
,
M. Henle
,
R. K. Zahn
,
R. H. Meffert
,
K. Schmidt
Subject Editor:
Further Information

Publication History

27 November 2011

31 January 2012

Publication Date:
05 September 2016 (online)

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Abstract

The purpose of this study was to compare two sutures; a knotted polydioxane with a knotless barbed in a 4-strand Kirchmayr-Kessler suture technique. Human flexor digitorum tendons were separated into four groups. Group 1 – polydioxane; Group 2 - barbed suture; Group 3 and 4 – same as group 1 and 2 with an additional peripheral running suture. In each group the repaired tendons were subjected to linear and cyclical loads. No difference in maximum tensile strength after linear and cyclical force could be detected between the knotted polydioxane suture and the knotless barbed suture. On linear force tests an additional circumferential repair increased the maximum tensile strength of both sutures. Cyclical force loading did not lead to a reduction of maximum strength. Following linear and cyclical loading the 4-strand barbed suture achieved maximum tensile strengths comparable to the 4-strand repair using the polydioxane suture. Barbed suture repair may offer the advantage of knotless suture techniques.

Keywords

Barbed suture - Load to failure - Tenorrhaphy - Dynamic testing - Tensile strength - Ex vivo

Presented at the

- 41st Annual Meeting of the German College of Plastic, Reconstructive and Aesthetic Surgery, in Dresden, Germany, September 15 through 18, 2010

- 51st Annual Meeting of the German College of Hand Surgery, Nürnberg, Germany, October 7 through 10, 2010

- 16th Congress of the International Confederation for Plastic Reconstructive and Aesthetic Surgery (IPRAS), Vancouver, Canada, May 22 through 27, 2011


 

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