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Clinical Orthopaedics and Related Research®

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01-08-2012 | Symposium: Disruptions of the Pelvic Ring: An Update

What Are the Patterns of Injury and Displacement Seen in Lateral Compression Pelvic Fractures?

Authors: Michael J. Weaver, MD, Wendy Bruinsma, MD, Eugene Toney, MD, Erica Dafford, MD, Mark S. Vrahas, MD

Published in: Clinical Orthopaedics and Related Research® | Issue 8/2012

Abstract

Background

Lateral compression (LC)-type pelvic fractures encompass a wide spectrum of injuries. Current classification systems are poorly suited to help guide treatment and do not adequately describe the wide range of injuries seen in clinical practice.

Questions/purposes

We therefore (1) defined the spectrum of injuries that compose LC fractures with respect to both anterior and posterior ring injuries, with particular focus on the morphology of sacral fractures, and (2) identified fracture patterns associated with displacement at presentation.

Methods

We retrospectively reviewed 318 LC pelvic fractures. Displacement of the anterior pelvic ring was identified and measured on plain radiographs and posterior displacement was identified by CT.

Results

All 318 patients had an anterior injury and all but 13 (4%) had a posterior injury; 263 of the 318 fractures (87%) included a sacral fracture, with 162 of 318 (51%) having an anterior incomplete sacral fracture, 53 (17%) a complete simple fracture, and 48 (15%) a complete comminuted fracture. Forty-two of 318 (13%) had a crescent fracture. One hundred six of 318 (33%) were displaced at presentation. There was a higher incidence of initial displacement observed in fractures including bilateral rami fractures, a comminuted sacral fracture, or a crescent fracture.

Conclusions

LC pelvic fractures represent a heterogeneous group of injuries with a wide range of associated fracture patterns. In particular, there is a wide range of fracture types represented by injuries classified as LC1 (involving any sacral fracture). Fractures with more complex sacral fractures, crescent fractures, or bilateral pubic rami fractures tend to have higher degrees of initial displacement.

Level of Evidence

Level IV, diagnostic study. See Instructions for Authors for a complete description of levels of evidence.

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Title: What Are the Patterns of Injury and Displacement Seen in Lateral Compression Pelvic Fractures?
Authors: Michael J. Weaver, MD
Wendy Bruinsma, MD
Eugene Toney, MD
Erica Dafford, MD
Mark S. Vrahas, MD
Publication date: 01-08-2012
Publisher: Springer-Verlag
Published in: Clinical Orthopaedics and Related Research® / Issue 8/2012
Print ISSN: 0009-921X
Electronic ISSN: 1528-1132
DOI: https://doi.org/10.1007/s11999-012-2364-x

Keynote webinar | Spotlight on medication adherence

Springer Medicine

What Are the Patterns of Injury and Displacement Seen in Lateral Compression Pelvic Fractures?

Abstract

Background

Questions/purposes

Methods

Results

Conclusions

Level of Evidence

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Questions/purposes

Methods

Results

Conclusions

Level of Evidence

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