Abstract
Several methods of external and internal fixation are used in urgent situations to lessen intrapelvic bleeding associated with unstable pelvic fractures. Pelvic stabilization limits pelvic expansion and thereby restricts the space for potential blood loss. This study compared several fixation methods using cadaveric pelves to determine which method best prevents pelvic expansion. Three methods of internal fixation and three methods of external fixation were compared. Anteroposterior fixation provided the greatest control against pelvic expansion; however, it is clinically impractical for emergency use. Therefore, external fixation provided the most reliable control of pelvic expansion in the emergency setting.
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