Bankart lesion repair: biomechanical and anatomical analysis of Mason-Allen and simple sutures in a swine model

Revista Brasileira De Ortopedia
Ricardo Barreto Monteiro Dos SantosSaulo Monteiro Dos Santos

Abstract

To evaluate the labral height and pullout resistance after the repair of Bankart lesions in the glenohumeral joint of swine models, using double-loaded anchors with two suture configurations: simple and Mason-Allen. Ten swine shoulders were used, in which Bankart lesions were created. For each specimen, the lesion was sutured randomly with Mason-Allen sutures or simple sutures. The labral height was measured before the lesion was created and after the labral repair. The specimens were submitted to a tensile test for biomechanical evaluation. In specimens submitted to simple suture (n = 5), the mean labral height observed before the lesion was 3.86 mm, and after suturing, 3.33 mm. In specimens submitted to Mason-Allen suture (n = 5), it was observed that the mean labral height before the lesion was 3.92 mm, and after suturing, 3.48 mm. When comparing the labral height after simple suture and Mason-Allen suture, no significant difference was observed. The pullout force at the end of the tensile test on specimens with single suture was 130 N, and in specimens with Mason-Allen suture, 128.6 N. No statistically significant differences were observed between the shoulders treated with single suture and Mason-Allen suture; p = 0.885. R...Continue Reading

References

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Methods Mentioned

BETA
pullout
transmission electron microscopy

Software Mentioned

SPSS

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