Rescue Pelvic Fixation in a Patient with Sacral-2-Alar-Iliac and Triangular Sacroiliac Joint Fusion (Bedrock) Instrumentation

Bryan Ladd; Kristen Jones; David Polly Jr

doi:10.1016/j.wneu.2022.10.045

Rescue Pelvic Fixation in a Patient with Sacral-2-Alar-Iliac and Triangular Sacroiliac Joint Fusion (Bedrock) Instrumentation

World Neurosurg. 2023 Jan:169:10-11. doi: 10.1016/j.wneu.2022.10.045. Epub 2022 Oct 19.

Authors

Bryan Ladd¹, Kristen Jones², David Polly Jr²

Affiliations

¹ Department of Neurosurgery, University of Minnesota, Minneapolis, Minnesota, USA. Electronic address: laddx035@umn.edu.
² Department of Neurosurgery, University of Minnesota, Minneapolis, Minnesota, USA; Department of Orthopedic Surgery, University of Minnesota, Minneapolis, Minnesota, USA.

PMID: 36270593
DOI: 10.1016/j.wneu.2022.10.045

Abstract

The purpose of this report is to demonstrate the creation of a 4-rod lumbosacral construct, when "stacked" sacral-2-alar-iliac (S2AI) screws are not possible due to a concurrent treatment of sacroiliitis with a posterior approach sacroiliac joint fusion device. This technique uses a combined S2AI and subcrestal iliac approach to achieve the 4-rod lumbosacral construct, while simultaneously biomechanically supporting the S2AI screws and treating the sacroiliitis.

Keywords: Bedrock; Deformity; Instrumentation failure; Pelvic fixation; Sacral-2-Alar-Iliac; Surgical navigation.

MeSH terms

Bone Screws
Humans
Ilium / surgery
Sacroiliac Joint / diagnostic imaging
Sacroiliac Joint / surgery
Sacroiliitis* / diagnostic imaging
Sacroiliitis* / surgery
Sacrum / diagnostic imaging
Sacrum / surgery
Spinal Diseases* / surgery
Spinal Fusion* / methods