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FEMORAL ANTEVERSION AND THE NECK-SHAFT ANGLE: RELATIONSHIP WITH HIP OSTEOARTHRITIS
Pedro José Labronici1, Gabriel Novaes Pillar de Oliveira Castro2, Sérgio Ricardo Neto2
1PhD in Medicine from the Federal University of São Paulo - Paulista Medical School. Head of Clinical Medicine of the "Prof. Dr. Donato D'Angelo" Orthopedics and Traumatology Service, Hospital Santa Teresa, Petrópolis, RJ, Brazil.
Objective:
To compare the existence of agreement between measurements of anteversion of the femoral neck and the degrees of osteoarthritis and abnormality of the neck-shaft angle in patients with unilateral idiopathic hip osteoarthritis, among three evaluators.
Methods:
Forty-two patients with unilateral hip osteoarthritis were evaluated by means of simple radiography and computed tomography.
Results:
It was observed that there was no significant variation in femoral anteversion between the diseased and healthy hips. There was strongest agreement between observers 1 and 2 in relation to both the diseased hips (cases) and the healthy hips (controls). Moreover, no significant agreement was found between observers 1 and 3 (p = 0.13) and between observers 2 and 3 (p = 0.12), in relation to the neck-shaft angle of the control hips.
Conclusion:
Although there was no relationship between femoral anteversion and the neck-shaft angle in the patients with unilateral hip osteoarthritis, the present study showed that there was also no relationship with these angular deviations.
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