Biomechanical study demonstrates higher ultimate tensile strength for asymmetric six-strand repair in porcine tendons, suggesting improved clinical performance.
BACKGROUND: This study evaluated the biomechanical performance of a novel asymmetric 6-strand flexor tendon repair technique without locking loops. METHODS: Twenty porcine flexor tendons were equally repaired by using the asymmetric technique and compared with the modified Lim-Tsai repair technique. The ultimate tensile strength, load to 1-mm gap force, stiffness, and mechanism of failure were measured. RESULTS: The asymmetric repair technique had significantly higher tensile strength (63.3 ± 3.7 N) than the modified Lim-Tsai repairs (46.7 ± 8.3 N). CONCLUSIONS: A novel flexor tendon repair technique with improved biomechanical performance may be available for use in flexor tendon repairs.
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Wong et al. (2017) studied this question.
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