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Biomechanical Analysis of Tendon Suture Tecniques / 대한정형외과학회잡지
The Journal of the Korean Orthopaedic Association ; : 255-264, 1996.
Article in Korean | WPRIM | ID: wpr-769880
ABSTRACT
Successful repair of lacerated tendons must restore continuity of the tendon and should yield a strong tenorrhaphy. Mechanical strength of repair should be adequate to early postoperative motion and mobility, The optimal repair technique must be able to withstand the rigors of early motion and also must not interfere with tendon healing. The relative strength of three suture methods of lacerated tendon were measured by mechanical disruption in effort to determine the strength of suture technique. Fifty-four Calcaneal tendons of 27 the New Zealand white rabbit were transected at mid portion and repaired with the three suture technique group 1, Kessler suture, group 2, Pennington’s modified-Kessler suture and group 3, augmented- Becker suture technique. Each group was composed of 18 calcaneal tendons. Nine rabbits were sacrified immediately after suture, nine in postoperative 2 weeks and nine in postoperative 4 weeks Six calcaneal tendons in each three experimental group were obtained immediately after suture, at postoperative 2 and 4 weeks respectively. Tensile strength, maximum strength and modulus of elasticity of all experimental specimens were measured with Instron-UTM-4-100(Toyo-Baldiwin, Japan). The results were evaluated statistically to compare the strength of the three suture technique at three different periods. The tensile strength was predominantly strongest in augmented-Becker method among three suture technique at immediate suture, postoperative 2 weeks and 4 weeks respectively. The augmented Becker repair was strongest in maximum stress among Kessler and modified Kessler repair at immediate operation, postoperative 2 weeks and 4 weeks respectively. The augmented Becker repair was highest in modulus of elasticity than Kessler method and modified-Kessler method at immediate operation, postoperative 2 weeks and postoperative 4 weeks respectively. Tensile strength, maximum stress and modulus of elasticity were gradually increased from immediate operation to postoperative 4 weeks, but there were not statistically significance between experimental three suture methods at postoperative 4 weeks.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Sutures / Tendons / Tensile Strength / Suture Techniques / Elastic Modulus / Methods / New Zealand Limits: Animals Country/Region as subject: Oceania Language: Korean Journal: The Journal of the Korean Orthopaedic Association Year: 1996 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Sutures / Tendons / Tensile Strength / Suture Techniques / Elastic Modulus / Methods / New Zealand Limits: Animals Country/Region as subject: Oceania Language: Korean Journal: The Journal of the Korean Orthopaedic Association Year: 1996 Type: Article