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Simple suture and anchor in rabbit hips
Fernando Cal Garcia Filho1, Roberto Guarniero1, Rui Maciel de Godoy Júnior1
1Department of Orthopedics and Traumatology of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
Objective:
USING BIOMECHANICAL STUDIES, THIS RESEARCH AIMS TO COMPARE HIP CAPSULORRHAPHY IN RABBITS, CARRIED OUT WITH TWO DIFFERENT TECHNIQUES: capsulorrhaphy with simple sutures and with anchors.
Method:
Thirteen New Zealand Albino (Oryctolaguscuniculus) male rabbits, twenty-six hip joints, were used. First, a pilot project was performed with three rabbits (six hip joints). This experiment consisted of ten rabbits divided into two groups: group 1 underwent capsulorrhaphy on both right and left hips with simple suture using polyglycolic acid absorbable thread, and group 2 underwent capsulorrhaphy with titanium anchors. After a four-week postoperative period, the animals were euthanized and the hip joints were frozen. On the same day of the biomechanical studies, after the hip joints were previously unfrozen, the following parameters were evaluated: rigidity, maximum force, maximum deformity and energy.
Results:
There was no relevant statistical difference in rigidity, maximum force, maximum deformity and energy between the simple suture and anchor groups.
Conclusion:
Through biomechanical analyses, using parameters of rigidity, maximum force, maximum deformity and energy, it has been shown that capsulorrhaphy with simple suture and with anchors has similar results in rabbit hip joints. Level of Evidence II, Prospective Comparative Study .
