Acta orthopaedica et traumatologica turcica · 2023
A new 4-strand tendon repair technique in a rabbit Achilles tendon model: Is 4 better than 6?
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Öztürk Fatih Alp, Demirdöver Cenk, Hüsemoğlu Reşit Buğra, Çakmak Süleyman, Ulukaya Hüseyin Emre, Atalmış Safa Eren
Аннотация
OBJECTIVE: This study aimed to present a new modification of the modified Kessler tendon repair technique and share results of an animal study scrutinizing mainly the biomechanical properties and comparing it to other techniques.
METHODS: Eighteen New Zealand rabbits were used and divided into 3 groups: 1 experiment and 2 control groups. Four-strand modified Kessler and 6-strand Tang repairs were used for the control groups. The new modification was used in the experiment group. Two surgeries were conducted 8 weeks apart, repairing 1 Achilles tendon in the first, repairing the contralateral tendon and harvesting specimens in the second. The repair times were recorded. In addition, biomechanical tests were conducted to determine mechanical strength.
RESULTS: There was a statistically significant difference between the 3 groups in load-to-failure values for the strength after repair model, with the experiment group superior to the other 2 (P = .002; P < .05). Although there was a noticeable difference between the mean loadto- failure values of each group in the healing model, we could not demonstrate a statistically significant difference(P > .05). The new modification took significantly less time than the other 2 techniques (P = .001).
CONCLUSION: Our new modification was biomechanically stronger and faster than the other 2 techniques. The technique offers a new, suitable, practical option for human flexor tendon repair.
METHODS: Eighteen New Zealand rabbits were used and divided into 3 groups: 1 experiment and 2 control groups. Four-strand modified Kessler and 6-strand Tang repairs were used for the control groups. The new modification was used in the experiment group. Two surgeries were conducted 8 weeks apart, repairing 1 Achilles tendon in the first, repairing the contralateral tendon and harvesting specimens in the second. The repair times were recorded. In addition, biomechanical tests were conducted to determine mechanical strength.
RESULTS: There was a statistically significant difference between the 3 groups in load-to-failure values for the strength after repair model, with the experiment group superior to the other 2 (P = .002; P < .05). Although there was a noticeable difference between the mean loadto- failure values of each group in the healing model, we could not demonstrate a statistically significant difference(P > .05). The new modification took significantly less time than the other 2 techniques (P = .001).
CONCLUSION: Our new modification was biomechanically stronger and faster than the other 2 techniques. The technique offers a new, suitable, practical option for human flexor tendon repair.