Authors of section

Authors

Rahul Banerjee, Peter Brink, Matej Cimerman, Tim Pohlemann, Matevz Tomazevic

Executive Editor

Peter Trafton

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Bilateral complete disruption of posterior arch

Definition

Bilateral complete disruption of posterior arch  is classified as a AO/OTA 61C3 injury.

Bilateral unstable pelvic ring injury, extrasacral on both sides

Posterior injury
Both posterior arch disruptions lie outside the sacrum.

This is classified as an AO/OTA 61C3.1 injury.

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis (uni/bilateral, ipsi/contralateral)
  • Ramus (uni/bilateral, ipsi/contralateral)
definition
definition

Bilateral unstable pelvic ring injury, one side sacral and contralateral extrasacral

On one side there is a complete vertical fracture through the sacrum. On the other side there is a fracture through the ilium.

This is classified as an AO/OTA 61C3.2 injury.

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis (uni/bilateral, ipsi/contralateral)
  • Ramus (uni/bilateral, ipsi/contralateral)
definition
definition
definition

Bilateral unstable sacral fractures

Posterior injury
Both posterior injuries are complete vertical fractures through the sacrum. These include complex lumbosacral dissociations and suicidal jumpers' fractures. (See sacral fractures)

This is classified as an AO/OTA 61C3.3 injury.

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis (uni/bilateral, ipsi/contralateral)
  • Ramus (uni/bilateral, ipsi/contralateral)
definition
definition