INTRODUCTION: Rotational acetabular osteotomy (RAO) has been recognized as an useful procedure, especially for early stage of osteoarthritis of the hip, with satisfactory intermediate and long-term results. In RAO, it is important to rotate the acetabular roof sufficiently, contributing to improvement of the acetabular roof coverage. On the other hand, femoroacetabular impingement due to acetab...

OBJECTIVE The objective of this study was to investigate a possible relation between congenital hip dysplasia and acetabular retroversion and to explore the eventual influence of the latter in the surgical decision for periacetabular osteotomy. MATERIALS AND METHODS We assessed the classical morphological characteristics of both hips, with an additional newly described retroversion index. The...

BACKGROUND Pelvic incidence (PI) has been linked to several degenerative processes within the spinopelvic system. Acetabular retroversion is a recognised risk factor for osteoarthritis of the hip. We therefore hypothesised that these two factors might be part of a specific anatomical variant associated with degenerative changes. This study was performed to clarify this issue. METHODS The pelv...

results at follow-up, the nonoperatively treated patients had better functional outcomes than the operatively treated patients. nonoperatively treated patients also scored better on pain intensity and satisfaction. there were no significant differences in cesd, pcs, and sf-36 physical- and mental health summary scores between cohorts. conclusions the results of this study suggest that operative...

BACKGROUND Numerous structural deformities of the acetabulum are associated with hip osteoarthritis (OA). Acetabular retroversion has been implicated in the development of femoroacetabular impingement. However, it is unknown if retroversion occurs from isolated excessive bone in the superior acetabulum or a torsional phenomenon of the entire pelvic segment. QUESTIONS/PURPOSES A method was dev...

BACKGROUND The conventional measuring method for glenoid version is greatly influenced by the scapular body shape that varies widely between patients. We postulated that the glenoid vault version could be more useful than the conventional glenoid version in clinical cases. OBJECTIVES The purposes of this study were to compare the values of glenoid version measured with the conventional method...

[Purpose] The purpose of this study was to investigate the relationship between age and the maximum pelvic anteversion and retroversion angles, as well as the associated pelvic range of motion, measured in a sitting position with free knee movement. [Subjects] A total of 132 healthy volunteers (74 women, 58 men; age range, 20-79 years) were divided into six groups based on age (20-29, 30-39, 40...