Thibault et al: Poor success rates with double pelvic osteotomy for craniodorsal luxation of total hip prosthesis in 11 dogs
Veterinary Surgery 8, 2023

DPO reduced the angle of lateral opening (ALO) from a median of 66° to 56° (p ≤ .001) and increased the version angle (VA) from 26° to 35° (p ≤ .03).
Luxation recurred in 5/11 dogs, despite DPO, within a median of 7 days.
7/11 dogs eventually required explantation due to aseptic loosening (5) or infection (2), indicating poor long-term outcomes.
Post-DPO ALO values were still above recommended thresholds (35°–45°) in most cases, and only 2 dogs reached target ALO, both of whom still reluxated.
DPO was less effective at reducing ALO compared to triple pelvic osteotomy (TPO), likely due to plate design and patient skeletal maturity.
No ventral luxations occurred, suggesting DPO may avoid cup-stem impingement despite incomplete ALO correction.
High rates of aseptic loosening may result from initial luxation-induced wear debris or suboptimal cup orientation.
Authors do not recommend DPO as a routine management strategy for THR luxation due to high complication and explantation rates.

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DPO reduced the angle of lateral opening (ALO) from a median of 66° to 56° (p ≤ .001) and increased the version angle (VA) from 26° to 35° (p ≤ .03).
Luxation recurred in 5/11 dogs, despite DPO, within a median of 7 days.
7/11 dogs eventually required explantation due to aseptic loosening (5) or infection (2), indicating poor long-term outcomes.
Post-DPO ALO values were still above recommended thresholds (35°–45°) in most cases, and only 2 dogs reached target ALO, both of whom still reluxated.
DPO was less effective at reducing ALO compared to triple pelvic osteotomy (TPO), likely due to plate design and patient skeletal maturity.
No ventral luxations occurred, suggesting DPO may avoid cup-stem impingement despite incomplete ALO correction.
High rates of aseptic loosening may result from initial luxation-induced wear debris or suboptimal cup orientation.
Authors do not recommend DPO as a routine management strategy for THR luxation due to high complication and explantation rates.