osteoarthritis or with previous lumbar fusion often have an abnormal spine–hip relation. A preoperative screening of this kind of patient is mandatory to refine THA planning. Definition of the individual’s spine–hip relationship can be carried out using the EOS
Charles Rivière, Stefan Lazic, Louis Dagneaux, Catherine Van Der Straeten, Justin Cobb, and Sarah Muirhead-Allwood
Introduction The concept of spine-hip relation (SHR) defines the interaction between the lumbopelvic complex (LPC) and the hip joint. As the pelvis is a common anatomical structure for these two joints, changes in one joint can potentially
Charles Rivière, Stefan Lazic, Loïc Villet, Yann Wiart, Sarah Muirhead Allwood, and Justin Cobb
Note: SHR, spine-hip relation; SHS, spine-hip syndrome; TAL, transverse acetabular ligament. Table 2. THA considerations for ‘spine’ users compared with ‘hip’ users Stiff LPC/‘hip’ user (e.g. low PI or abnormal LPC kinematics
Luigi Zagra, Francesco Benazzo, Dante Dallari, Francesco Falez, Giuseppe Solarino, Rocco D’Apolito, and Claudio Carlo Castelli
impingement or dislocation according to a patient’s spine–hip relation (SHR) type ( 15 ). A lateral full spine radiograph in the standing and the sitting position is needed for classification. This can also be done with the EOS® imaging system (EOS Imaging