Comparative biomechanical evaluation of the U-shaped lumbopelvic stabilization technique in treating unstable sacral fractures.

ABSTRACT:

Introduction

Lumbopelvic fixation is commonly employed to stabilize unstable sacral fractures, particularly U-shaped (US) fractures, which may result in spinopelvic dissociation-leading to significant pain, deformity, and neurological deficits. Due to its superior biomechanical properties, lumbopelvic stabilization (LPS) has become the preferred method for managing such injuries. We aimed to compare the biomechanical stability of US-LPS with conventional LPS and bilateral iliosacral screw (ISS) fixation.

Materials and methods

Six human cadaveric pelvic specimens were subjected to axial (750 N) and torsional (8 Nm) loading using a material testing machine (MTM). Seven configurations of LPS were evaluated. The range of motion (ROM) between three anatomical bony segments-the th

SUBMITTER: Nebel D 

PROVIDER: S-EPMC12255570 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature