Three-dimensional anatomy of the hip in osteoarthritis after developmental dysplasia

• Published in: Journal of bone and joint surgery. British volume Vol. 87; no. 9; pp. 1192 - 1196
• Main Authors: ARGENSON, J.-N, RYCMBAULT, E, FLECHER, X, BRASSART, N, PARRATTE, S, AUBANIAC, J.-M
• Format: Journal Article
• Language: English
• Published: London British Editorial Society of Bone and Joint Surgery 01.09.2005; British Editorial Society of Bone & Joint Surgery
• Edition: British volume
• Subjects: Acetabulum - diagnostic imaging; Acetabulum - pathology; Adolescent; Adult; Aged; Aged, 80 and over; Arthroplasty, Replacement, Hip; Biological and medical sciences; Diseases of the osteoarticular system; Female; Femur - diagnostic imaging; Femur - pathology; Femur Head - diagnostic imaging; Femur Head - pathology; Hip Dislocation, Congenital - complications; Humans; Male; Medical sciences; Middle Aged; Miscellaneous. Osteoarticular involvement in other diseases; Orthopedic surgery; Osteoarthritis; Osteoarthritis, Hip - diagnostic imaging; Osteoarthritis, Hip - etiology; Osteoarthritis, Hip - pathology; Severity of Illness Index; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases; Tomography, X-Ray Computed; Femoral neck; Plain film; Dysplasia; Femur; Congenital hip dislocation; Radiodiagnosis; Diseases of the osteoarticular system; Anatomy; Hip; Orthopedic surgery; Treatment; Arthropathy; Tomography; Medical imagery; Hip osteoarthritis; Degenerative disease; Computerized axial tomography; Osteoarthritis
• ISSN: 0301-620X; 2049-4394; 2044-5377; 2049-4408
• DOI: 10.1302/0301-620x.87b9.15928

Using radiography and computer tomography (CT) we studied the morphology of 83 hips in 69 Caucasian adults with osteoarthritis secondary to developmental dysplasia of the hip (DDH). A previously published series of 310 hips with primary osteoarthritis was used as a control group. According to the Crowe classification, 33 of the dysplastic hips were graded as class I, 27 as class II and 23 as class III or class IV. The intramedullary femoral canal had reduced mediolateral and anteroposterior dimensions in all groups compared with the control group. Only in Crowe class II hips was the femoral neck-shaft angle increased. The proximal femur had more anteversion in all the developmental dysplasia of the hip groups, ranging from 2 degrees to 80 degrees. Templated measurement of acetabular dimensions for plain radiography closely matched measurements taken by CT. The results of our study confirm the observations previously confined to the Japanese population.