Experimental study on rotator cuff repair.

Rotini R , Giardino R , Veronesi CA , Baleani M , Shrader S
La Chirurgia degli organi di movimento
It was the purpose of the experimental study to use laboratory experience to verify the effectiveness of different methods used to repair the rotator cuff. The sheep was used as an animal model because its infraspinous tendon is the most similar to that in the human. Three static trials were conducted using Instron machines, comparing the repair systems used most by the same authors in their clinical work, the hold of the suturing wires with two different threading procedures in the bone tunnels and two types of knotting, and the breakage loading of the suturing wires in the two different miniplate systems. The authors conclude that tendinous anchoring must be entrusted to reinforced suturing systems (modified SCOI and Mason Allen), the threading of wires in pairs in a single bone tunnel makes surgery easier and shortens the amount of time required, with threading of wires similar to or better than threading with a single wire. There are no differences in breakage loading of the wire at the level of the holes in the two miniplates considered in this study.

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