To determine the effects of cranial displacement on the safe placement of iliosacral screws for zone II sacral fractures.
Design: Computer imaging and dimensional analysis of a human cadaveric sacral fracture model.
Setting: Cadaveric dissection, Orthopaedic Research Laboratories, Newark, New Jersey.
Main Outcome Measures:
Although previous authors have accepted up to 15 mm of cranial displacement, the data demonstrate substantial compromise of available screw space with displacements greater than 1 cm. Fracture reduction is mandatory, as screw placement with residual displacement of 10 mm or more can endanger adjacent neural and vascular structures.
Copyright remains with the authors and publisher.
To determine the effects of cranial displacement on the safe placement of iliosacral screws for zone II sacral fractures.
Design: Computer imaging and dimensional analysis of a human cadaveric sacral fracture model.
Setting: Cadaveric dissection, Orthopaedic Research Laboratories, Newark, New Jersey.
Main Outcome Measures:
Although previous authors have accepted up to 15 mm of cranial displacement, the data demonstrate substantial compromise of available screw space with displacements greater than 1 cm. Fracture reduction is mandatory, as screw placement with residual displacement of 10 mm or more can endanger adjacent neural and vascular structures.
Copyright remains with the authors and publisher.