The Centre-Edge Angle of Wiberg in the Adult Indian Population

Mandal, Subhasis; Bhan, Surya

doi:10.1302/0301-620x.78b2.0780320

Cited by 14 publications

(23 citation statements)

References 12 publications

(15 reference statements)

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“…Values of >25° are considered normal whereas values < 20° are considered dysplastic. The CE angle of Wiberg studied in an adult Indian population by Mandal et al 18. found that in 83% the CE angle was between 28° and 42°.…”

Section: Discussionmentioning

confidence: 98%

Anthropometric study of the hip joint in Northeastern region population with computed tomography scan

2008

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Background:Anthropometric study of the hip joint has important clinical implications and is largely unknown for the northeastern region of India. The purpose of this study is to determine the anatomic variation of the normal hip joint among the people of the northeastern region and to statistically compare them with the available data worldwide.Materials and Methods:We evaluated 104 individuals with normal hip joints and of different ethnic backgrounds (Caucasoid and Mongoloids) clinically and by plain x- ray. One topogram of the hip joint, one axial section of the femoral head and femoral condyles of the individual was taken on CT scan. Twelve cases had center edge angle (CE) angle less than 20° (unilateral/bilateral), were considered to be dysplastic and were excluded from the study. Thus the present study includes 92 individuals (184 normal hips, Mongoloids = 45; Caucasoid = 47) between 20-70 years of age. We calculated the mean of the CE angle, acetabular angle, neck shaft angle, acetabular version, femoral neck anteversion, acetabular depth and joint space width in both sexes.Results:The mean parameters observed were as follows: acetabular angle 39.2°, centre edge angle 32.7°, neck shaft angle 139.5°, acetabular version 18.2°, femoral neck anteversion 20.4°, acetabular depth 2.5 cm and joint space width 4.5 mm.Conclusion:The parameter and its values in our series shows differences when compared to the other western literatures. The neck shaft angle and the femoral neck anteversion in our individuals was 5-6° more than the western literature. The remaining parameters were less or equal to the western literature.

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Section: Discussionmentioning

confidence: 98%

Anthropometric study of the hip joint in Northeastern region population with computed tomography scan

2008

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“…9 In Indians congenital dislocation is also rare and primary osteoarthritis of the hip is uncommon. 10,11 Radiologically, it may appear that primary osteoarthritis of hip joint is rare in Indians but gross examination of the joint reveals that the disease is not as rare as it was earlier thought to be. Erosion of the cartilage was the commonest pathology observed.…”

Section: Introductionmentioning

confidence: 99%

Morphometric study of depth of acetabulum

Khobragade

Vatsalaswamy²

2017

Int J Res Med Sci

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Background: Anatomy of the hip must be taken into account to study the anatomy of various surgical approaches. Reconstruction of the acetabulum in patients with significant acetabular bone deficiency remains a major challenge in revision total hip arthroplasty. Appropriate anatomic concepts for surgery to treat femoroacetabular impingement require a precise appreciation of the native acetabular anatomy. Since the acetabulum is not always of same shape, width or depth, joint congruences are frequent with minor anatomical variations in the shape of the acetabulum. Hence the present study was undertaken as controversies still exist on the importance of these variations and to prevent problems following surgical procedures such as acetabular reconstruction and femoroacetabular impingement.Methods: Material of the study consisted of 110 human hip bones (60 males and 50 females). Depth of Acetabulum (DA) was measured on these hip bones on both the sides. Statistical analysis was done using SPSS (Statistical Package for the Social Sciences) version 11 and Microsoft Excel 2007.Results: The mean depth of acetabulum in male was 26.89 mm and female was 25.31 mm. The mean depth of acetabulum on right side was 26.24 mm and left side was 26.11 mm. Depth of the acetabulum was greater in males as compared to females and the differences were statistically significant. Depth was greater on the right side as compared to the left side but the difference was statistically non-significant.Conclusions: Depth of the acetabulum was greater in males as compared to females.

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“…1,5-7 Some information concerning lateral cover of the femoral head can be obtained from plain radiographs by measuring the centre-edge angle of Wiberg, and about anterolateral cover from the 'false-profile' view of Lequesne and de Seze. 1,[8][9][10][11][12][13] Complicated mathematical estimations of acetabular cover have also been made from plain radiographs but the methods are complex and include many assumptions regarding the geometry of the hip. 8,14 More information may be obtained from CT 7,11,[15][16][17][18][19] and three-dimensional (3D) CT studies, 20,21 but these involve high exposures to radiation and are difficult to interpret.…”

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confidence: 99%

CT evaluation of periacetabular osteotomies

Haddad¹,

Garbuz²,

Duncan³

et al. 2000

The Journal of Bone and Joint Surgery. British volume

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W e have previously described a simple and reproducible three-dimensional technique of CT for the measurement of the cover of the femoral head in acetabular dysplasia in adults. We now describe the application of this technique in ten patients with symptomatic dysplasia to assess the degree and direction of dysplasia and to measure the cover obtained at acetabular osteotomy.The indices obtained gave a useful indication of the degree and direction of the dysplasia and confirmed which components had been used most efficiently to achieve cover. The information is easily presented in graphical form and gives a clearer indication of the cover obtained than the indices derived from plain radiographs. Accurate assessment of indices of dysplasia and of cover of the femoral head is difficult, 1-4 but is essential when planning and evaluating osteotomies around the hip. 1,5-7 Some information concerning lateral cover of the femoral head can be obtained from plain radiographs by measuring the centre-edge angle of Wiberg, and about anterolateral cover from the 'false-profile' view of Lequesne and de Seze. 1,[8][9][10][11][12][13] Complicated mathematical estimations of acetabular cover have also been made from plain radiographs but the methods are complex and include many assumptions regarding the geometry of the hip. 8,14 More information may be obtained from CT 7,11,[15][16][17][18][19] and three-dimensional (3D) CT studies, 20,21 but these involve high exposures to radiation and are difficult to interpret. No MRI techniques have been described for assessing acetabular dysplasia.We have devised a simple and reproducible 3DCT technique to measure cover of the acetabulum in adults. 22 We now describe its use in planning the correction required for periacetabular osteotomy and in assessing the amount obtained. Patients and MethodsWe studied ten women with a mean age of 26 years (16 to 41) who had symptomatic acetabular dysplasia. We measured the centre-edge angles (CEA) on the anteroposterior (AP) and false-profile views (VCA), the acetabular index of the weight-bearing zone (TA), the femoral head extrusion index (FHEI) and the lateral subluxation index (LSI) 1,[8][9][10]13,23,24 (Table I) before and after operation. All measurements were made on standing AP pelvic and falseprofile views by two independent observers. We also carried out 3DCT on all the patients before and after operation to identify the degree and direction of the dysplasia, to plan the correction required at the time of periacetabular osteotomy, to assess the correction obtained subsequently and to compare it with the preoperative plan, the contralateral side and a normal control group (Figs 1 to 6). For CT we used a GE HiLight Scanner (GE Medical Systems, Milwaukee, Wisconsin). The subject was positioned supine with the midline of the body aligned with the central axis of the scanning table. The hips were extended and the feet stabilised with the hips in 15° of external rotation. Care was taken to ensure that there was no pelvic tilt or flexion of the hip ...

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The Centre-Edge Angle of Wiberg in the Adult Indian Population

Cited by 14 publications

References 12 publications

Anthropometric study of the hip joint in Northeastern region population with computed tomography scan

Anthropometric study of the hip joint in Northeastern region population with computed tomography scan

Morphometric study of depth of acetabulum

CT evaluation of periacetabular osteotomies

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