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. 2020 Jul;8(4):511-518.
doi: 10.22038/abjs.2020.42128.2167.

Isolated Buttress Plating of Posterior Wall Acetabular Fractures: Is it Sufficient?

Reza Firoozabadi  1 , Eric Yu Chen  2 , Moamen Elhaddad  1 , Paul Tornetta Iii  2
Affiliations

Isolated Buttress Plating of Posterior Wall Acetabular Fractures: Is it Sufficient?

Reza Firoozabadi et al. Arch Bone Jt Surg. 2020 Jul.

Abstract

Background: Conventional fixation methods of posterior wall acetabular fractures feature the use of plating and lag screws. However, fixation of posterior wall fractures with buttress plating alone offers potential advantages by avoiding the hardware complications related to hardware placement through the wall fragment. The purpose of this study was to examine if buttress plating alone, without screw fixation through the wall would be a viable method of treating these fractures. Our hypothesis was that this technique would not result in loss of reduction.

Methods: Consecutive series of patients with isolated posterior wall acetabular fractures treated by two independent surgeons at two Level I Trauma centers without screw fixation across the fracture (Boston Medical Center/Harborview Medical Center).

Results: All 72 fractures treated without a screw through the posterior wall fragment maintained reduction at an average of 1.6 years post-operatively. For fractures fixed with buttress plating alone, 92 % were reduced within 2 mm of being anatomic compared to 94 % of fractures that had screws cross the fracture.

Conclusion: The described buttress plating technique without screw fixation in the wall is an acceptable form of fixation for posterior wall acetabular fractures without the theoretical risk of intra-wall screw fixation.

Keywords: Acetabular fractures; Buttress plating; Loss of reduction; Marginal impaction; Posterior wall.

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Figure 1
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Figure 2
Radiographic Measurements
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Figure 3
Intraoperative Images
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