COMPARISON OF FIXATION METHODS FOR PREVENTING PELVIC RING EXPANSION

Several methods of external and internal fixation are used in urgent s ituations to lessen intrapelvic bleeding associated with unstable pelv ic fractures. Pelvic stabilization limits pelvic expansion and thereby restricts the space for potential blood loss. This study compared sev eral fixation methods using cadaveric pelves to determine which method best prevents pelvic expansion. Three methods of internal fixation an d three methods of external fixation were compared. Anteroposterior fi xation 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.