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Acta ortopédica mexicana
versión impresa ISSN 2306-4102
Resumen
GUTIERREZ-RAMOS, R; AVALOS-CALDERON, SA y BAHENA-PENICHE, LA. Prevalence of X-ray signs of femoroacetabular impingement in Mexican population. Acta ortop. mex [online]. 2017, vol.31, n.3, pp.134-140. ISSN 2306-4102.
Background:
Femoroacetabular impingement (FAI) is a suggested diagnosis for pain in the hip in the absence of other apparent causes. It is thought to be a cause of progressive arthrosis of the hip. Our objective was to determine the prevalence of radiographic data of FAI in the adult population without hip pathology over a period of six months.
Material and methods:
Analytical, observational, multicentric, ambispective and transverse study based on digital X-rays analysis. Measurements of the lateral center-edge angle of Wiberg, acetabular inclination, Tönnis angle and the neck shaft angle of the proximal femur were made; a pistol grip deformity of the femoral head, the triangular index and the shape of the coxofemoral joint were also evaluated.
Results:
From a total of 212 hips evaluated, 104 were in males and 108 in females, with an average age of 42.81 years; 21 had a pistol grip deformity and a positive triangular index for cam type. The pincer type was found in 12 hips.
Discussion:
In this multicentric study, the FAI cam type predominated in men on the right side; the pincer type predominated in women on the left side; this is similar to what has been reported in other populations. This study is limited by the wide variation in the femoral rotation; as an advantage, it was randomly carried out and provides some data on the prevalence of deformities of the hip, not previously registered.
Palabras llave : Impingement; hip; femoroacetabular; X ray; diagnosis.