Tendon repair with the strengthened modified Kessler, modified Kessler, and Savage suture techniques: a biomechanical comparison (original) (raw)

Acta Orthopaedica et Traumatologica Turcica, 2007

Abstract

The aim of the study was to develop a suture technique that would be simple and easy to perform, but also strong enough to resist the strength formed during early active exercise protocols. Thirty flexor digitorum profundus muscle tendons were obtained from lambs aged 12 to 16 months. The tendons were assigned to three in situ repair groups, including the modified Kessler technique, six-strand Savage technique, and a strengthened modified Kessler technique, all combined with an epitendinous suture. Each group was subjected to biomechanical tests and the maximum strength of the tendons to rupture and the power exerted to yield a 3-mm separation were recorded. The mean strengths of the tendons repaired with the modified Kessler technique for 3-mm separation and rupture were 29.9+/-2.9 N and 37.0+/-4.0 N, respectively. The corresponding forces were 39.1+/-6.7 N and 51.3+/-6.1 N with the six-strand Savage technique, and 59.9+/-8.3 N and 69.0+/-8.7 N with the strengthened modified Kessle...

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