Surgical approach of T-type acetabular fractures does not affect quality of reduction on postoperative CT or the likelihood of postoperative complications.

Injury

Department of Orthopedics, Denver Health Medical Center, Denver, CO, USA; Department of Orthopedics, University of Colorado, Aurora, CO, USA. Electronic address:

Published: March 2023

Introduction: T-type acetabular fractures are rare but challenging injuries. The purpose of this study was to evaluate for associations between chosen surgical approach for T-type acetabular fracture fixation, reduction quality, and complications.

Methods: Retrospective, single institution study of T-type acetabular fractures who underwent surgical fixation. Surgical interventions included open reduction and internal fixation (ORIF) through an anterior intrapelvic approach (AIP) (modified Rives-Stoppa) and/or posterior (Kocher-Langenbeck [KL]), or percutaneous screw fixation. The primary outcome was reduction quality on routine postoperative computed tomography (CT) scan and postoperative complications.

Results: During the study period (March 2016 - October 2022), 22 patients presented with T-type acetabular fractures. Surgical approaches included AIP [31.8% (7/22)], percutaneous [27.3% (6/22)], AIP+KL [22.7% (5/22)], and KL [18.2% (4/22)]. On CT scans, 9.0% (2/22) had anatomic reductions, 27.2% (6/22) had fair reductions, and 63.6% (14/22) had poor reductions based on Matta Reduction Criteria. There was no observed difference in reduction quality between surgical approaches. Poor reductions (> 3 mm) were not associated with surgical approach, fracture classification, unstable pelvic ring injuries, posterior wall fractures, T-stem component, transverse component, preoperative articular displacement, preoperative femoral head protrusion, or surgeon experience. Complications occurred in 50.0% (11/22) of patients. No observed difference in complication rates was noted between the surgical approaches.

Conclusion: T-type acetabular fractures are challenging injuries with few patients achieving anatomic reduction on postoperative CT scans and half of patients developing complications.

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Source
http://dx.doi.org/10.1016/j.injury.2023.03.037DOI Listing

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