TEOT Ortopedia Practice Questions - TEOT - Título De Especialista Em Ortopedia E Traumatologia (Sociedade Brasileira De Ortopedia E Traumatologia AMB) Exam

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A healthy 38-year-old construction worker falls from a scaffolding and sustains an isolated, displaced intracapsular femoral neck fracture. Pelvic radiographs show complete displacement with disruption of the trabecular pattern and femoral head tilting (Garden IV / AO/OTA 31-B3). What is the primary arterial blood supply to the femoral head threatened by this injury, and what is the optimal surgical strategy?

Artery of ligamentum teres; treated definitively with total hip arthroplasty. Ascending branches of the lateral femoral circumflex artery; treated with non-operative touch-down weight-bearing. Lateral epiphyseal branches of the medial femoral circumflex artery; treated with urgent anatomical reduction and rigid internal fixation. Inferior gluteal artery; treated with closed reduction and a single 4.5 mm cortical screw.

Correct Answer:

Lateral epiphyseal branches of the medial femoral circumflex artery; treated with urgent anatomical reduction and rigid internal fixation.

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