• Alberto Di Martino, Giuseppe Geraci, Matteo Brunello, Claudio D'Agostino, Giorgio Davico, Cristina Curreli, Francesco Traina, and Cesare Faldini.
• Ist Orthopaedic Department, IRCCS-Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, 40136, Bologna, Italy. albertocorrado.dimartino@ior.it.
• Arch Orthop Trauma Surg. 2024 Apr 1; 144 (4): 182118331821-1833.

AbstractThe hip-spine relationship is a critical consideration in total hip arthroplasty (THA) procedures. While THA is generally successful in patient, complications such as instability and dislocation can arise. These issues are significantly influenced by the alignment of implant components and the overall balance of the spine and pelvis, known as spinopelvic balance. Patients with alteration of those parameters, in particular rigid spines, often due to fusion surgery, face a higher risk of THA complications, with an emphasis on complications in instability, impingement and dislocation. For these reasons, over the years, computer modelling and simulation techniques have been developed to support clinicians in the different steps of surgery. The aim of the current review is to present current knowledge on hip-spine relationship to serve as a common platform of discussion among clinicians and engineers. The offered overview aims to update the reader on the main critical aspects of the issue, from both a theoretical and practical perspective, and to be a valuable introductory tool for those approaching this problem for the first time.© 2024. The Author(s).

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