To evaluate euthyphoria reduction combined with percutaneous iliosacral screw fixation in the treatment of irreducible sacroiliac dislocation.

From March 2012 to May 2015, 29 patients with irreducible sacroiliac dislocation were treated using euthyphoria reduction followed by percutaneous iliosacral screw fixation. They were 18 men and 11 women, aged from 25 to 68 years (average, 37.9 years). According to the Tile classification, there were 7 cases of type C1, 9 cases of type C2, and 13 cases of type C3. The intervals from injury to surgery ranged from 6 to 32 days (average, 11.3 days).

The operation time for this cohort ranged from 40 to 125 minutes (average, 76.2 minutes). The intraoperative bleeding ranged from 50 to 360 mL (average, 148.6 mL). Their follow-ups ranged from 24 to 41 months (average, 28.9 months). According to the Matta criteria for reduction, 20 cases were rated as excellent and 9 as good, yielding an excellent to good rate of 100%. Their Majeed scores at the final follow-up averaged 90.1 points (range, from 67 to 100 points), giving 20 excellent, 7 good and 2 fair cases (with an excellent to good rate of 93.1%). No screw loosening or lameness of the affected limb was observed during follow-ups.

Euthyphoria reduction combined with percutaneous iliosacral screw fixation can lead to satisfactory outcomes in the treatment of irreducible sacroiliac dislocation. Additionally it may improve operative safety.

Pelvis; Fractures, bone; Fracture fixation, internal; Bone nails; Reduction