• Sarah Cole, Sarah Whitaker, Conor O'Neill, James Satalich, Brady Ernst, Le Kang, Rami Hawila, Jibanananda Satpathy, and Stephen Kates.
• Virginia Commonwealth University School of Medicine, Richmond, VA, USA. colesm5@vcu.edu.
• Arch Orthop Trauma Surg. 2024 Dec 18; 145 (1): 7070.

PurposeThis retrospective cohort study aims to compare short-term complication rates between patients receiving open reduction and internal fixation (ORIF) for associated versus elementary acetabular fractures, with a secondary objective of identifying independent risk factors for adverse outcomes.MethodsThe American College of Surgeons (ACS) National Surgical Quality Improvement Program (NSQIP) database was queried using current procedural terminology (CPT) codes to identify patients that underwent ORIF for associated acetabular (CPT 27228) or elementary acetabular fractures (CPT 27226, 27227) from 2010 to 2021. Propensity score matching was employed to account for baseline differences and the short-term complication rates were compared between the cohorts.ResultsWe identified 1,330 patients who underwent ORIF for an acetabular fracture between 2010 and 2021, including 868 patients with elementary fractures and 462 with associated fractures. After matching, there were 462 patients in each cohort. The matched associated acetabular fracture group experienced higher rates of any adverse event (AAE, p = 0.029), transfusion (p = 0.010), and reoperation (p = 0.049). Increased age, increased operative time, higher body mass index (BMI), and prolonged hospital length of stay (LOS) augmented the risk of any complication.ConclusionThe findings of this study identify areas of greater risk of postoperative complications after ORIF in individuals with associated versus elementary acetabular fractures. Discussion of these heightened risks is critical to appropriate patient care. Understanding these risks plays an important role in the clinical decision-making process and may identify areas to monitor patients postoperatively.© 2024. The Author(s).

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