Axial plane coverage and torsion measurements in primary osteoarthritis of the hip with good frontal plane coverage and spherical femoral head

Introduction Mechanical factors play a role in pathogenesis of primary osteoarthritis of the hip. Torsion measures were made to detect whether there is a causal relationship between increase or decrease of femoral anteversion, acetabular anteversion, and osteoarthritis. There are no studies in the l...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2010-10, Vol.130 (10), p.1305-1310
Main Authors: Hapa, Onur, Yüksel, Halil Yalçın, Muratlı, Hasan Hilmi, Akşahin, Ertuğrul, Gülçek, Serap, Çelebi, Levent, Biçimoğlu, Ali
Format: Article
Language:English
Subjects:
Adult
Aged
Arthritis
Basic Science
Biomechanical Phenomena
Female
Femur Head
Humans
Male
Medicine
Medicine & Public Health
Middle Aged
Orthopedics
Osteoarthritis, Hip - diagnostic imaging
Osteoarthritis, Hip - etiology
Osteoarthritis, Hip - physiopathology
Pathogenesis
Tomography, X-Ray Computed
Torque
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Summary:Introduction Mechanical factors play a role in pathogenesis of primary osteoarthritis of the hip. Torsion measures were made to detect whether there is a causal relationship between increase or decrease of femoral anteversion, acetabular anteversion, and osteoarthritis. There are no studies in the literature indicating a relationship between axial plane coverage and osteoarthritis of the hip. Deficient axial plane coverage of femoral head may also play a role in pathogenesis of osteoarthritis. Materials and methods Thirty patients with primary osteoarthritis of the hip and 29 control cases were included in the study. We used the method of Anda et al. (Acta Radiol Diagn 27:443–447, 1986 ; Comput Assist Tomogr 15:115–120, 1991 ) to measure axial plane anterior, posterior coverages in patients with primary osteoarthritis of the hip. The computerized tomography sections and pelvic radiographs indicated good frontal plane coverage and spherical femoral head. In addition to anterior acetabular sector angle, posterior acetabular sector angle, horizontal acetabular sector angles for axial plane coverage detection, femoral anteversion, acetabular anteversion, and McKibbin instability index were also measured. Results Posterior coverage was lower at osteoarthritic hips than the control group’s hips (96.0 ± 16.7, 104.2 ± 10.6) ( p  
ISSN:0936-8051
1434-3916
DOI:10.1007/s00402-010-1086-3