Simultaneous Reduction and Fixation of Concomitant Acetabular Fracture and Ipsilateral Sacroiliac Joint Injury Through the Pararectus Approach: a Technical Report and Early Radiological Outcome

Osteosynthesis for acetabular fractures with ipsilateral sacroiliac joint (SIJ) injuries remains challenging for orthopedic surgeons, despite the evolution of surgical approaches, such as the pararectus approach, and treatment sequences. The study aimed to describe the details of the treatment of acetabular fracture with ipsilateral SIJ injury by the pararectus approach and to report its surgical outcomes. We retrospectively assessed patients with acetabular fractures and ipsilateral SIJ injuries undergoing osteosynthesis by the pararectus approach over a three-year period. Evaluation parameters of the quality of reduction of both acetabulum and pelvis injuries were, among others, Matta’s criteria, Lefaivre’s criteria, inlet/outlet ratios, and maximal gap measured on computed tomography (CT) scans. Ten patients (seven men and three women) were enrolled. Pelvic ring injuries classified as AO B2.3 and acetabular fractures involving two columns were the most common fractures, accounting for 70