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COMPARATIVE STUDY
JOURNAL ARTICLE
Surgical treatment of achilles tendon rupture: examination of strength of 3 types of suture techniques in a cadaver model.
Acta Orthopaedica 2005 June
BACKGROUND: The mechanical properties of present-day percutaneous repairs of Achilles tendon ruptures are not known.
MATERIAL AND METHODS: Artificially-created ruptures in 24 human cadaveric Achilles tendons were repaired with an open Bunnell repair, a percutaneous calcaneal tunnel or a percutaneous bone-anchor repair. In the open technique no.1 PDS-II absorbable suture material was used, and in the percutaneous techniques either no.1 PDS-II or no.1 Panacryl absorbable suture material was used. The specimens were tested in a materials testing machine until failure occurred.
RESULTS: The common mode of failure was suture breakage in non-anchor repairs, and anchor pullout in anchor repairs. The average strength of the repairs varied from 166 N (SD 60) to 211 N (SD 30), with no differences between the techniques (p = 0.5).
INTERPRETATION: Taking costs into account, the percutaneous calcaneal tunnel technique and the open technique are the methods of choice.
MATERIAL AND METHODS: Artificially-created ruptures in 24 human cadaveric Achilles tendons were repaired with an open Bunnell repair, a percutaneous calcaneal tunnel or a percutaneous bone-anchor repair. In the open technique no.1 PDS-II absorbable suture material was used, and in the percutaneous techniques either no.1 PDS-II or no.1 Panacryl absorbable suture material was used. The specimens were tested in a materials testing machine until failure occurred.
RESULTS: The common mode of failure was suture breakage in non-anchor repairs, and anchor pullout in anchor repairs. The average strength of the repairs varied from 166 N (SD 60) to 211 N (SD 30), with no differences between the techniques (p = 0.5).
INTERPRETATION: Taking costs into account, the percutaneous calcaneal tunnel technique and the open technique are the methods of choice.
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