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Acta Ortopédica Brasileira

Print version ISSN 1413-7852


FREITAS, Anderson et al. Anatomical description of the proximal third of the medial femoral circumflex artery: a cadaveric study. Acta ortop. bras. [online]. 2012, vol.20, n.1, pp.21-24. ISSN 1413-7852.

OBJECTIVE: To describe, in a cadaver study, the anatomical arrangement of the proximal third medial femoral circumflex artery (ACFM). METHODS: We evaluated the anatomic arrangement of the proximal third of the ACFM through dissection in 12 cadaver hips. After measuring their height in meters (M), several parameters were determined: angle of lateralization of ACFM (Â), Depth ACFM in relation to the superomedial origin of the quadratus femoris muscle (P), and distance of ACFM from the superolateral insertion of the muscle quadratus femoris (D). RESULTS: In the comparison of mean parameters between the sexes, it was noted that: Male   = 43.6 degrees, female  = 38.3 degrees. Male D = 6mm, female D = 9.5mm. Male P = 20.8 mm, female P = 18.3mm. The average for parameters A and P were lower in females, but parameter D was higher in females. CONCLUSION: We should use, as the secure surface parameter for the proximal third of the ACFM, the superolateral insertion point of the quadratus femoris muscle. The fact that the parameter D of ACFM is greater in females than in males. Disconnecting the quadratus femoris muscle at its point of origin in the isquio may offer greater security to ACFM than doing it at the point of femoral insertion. Level of Evidence.

Keywords : Anatomy; Hip [surgery]; Femur head necrosis.

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