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Patients with acetabular retroversion may have less optimal outcomes after femoroacetabular osteoplasty
Published results show femoroacetabular osteoplasty appears to have less optimal outcomes in patients with acetabular retroversion compared to patients without acetabular retroversion.
Researchers compared minimum 2-year clinical and radiological outcomes between 51 patients with acetabular retroversion who underwent femoroacetabular osteoplasty and 550 patients without dysplasia or retroversion who underwent femoroacetabular osteoplasty. Researchers preoperatively and postoperatively determined alpha angle, center-edge angle, Tönnis grade, joint space and presence of labral tear and chondral lesion.
Results showed no difference in the mean preoperative SF-36 Health Survey and modified Harris hip score between the two groups. However, compared with the control group, researchers noted patients in the retroversion group had a significantly lower mean modified Harris hip score and SF-36 Health Survey result at latest follow-up. The retroversion group had a higher rate of failure at 13.7% vs. 2.5% in the control group.
“Hip preservation surgeons should be aware of this developmental anatomic variation and the possible inferior treatment results after [femoroacetabular osteoplasty] FAO in patients with acetabular retroversion,” the authors wrote. “One may consider reverse [periacetabular osteotomy] PAO to correct the abnormal acetabular version and focal overcoverage at the same time when performing FAO to address the underlying anatomic disorder.” – by Casey Tingle
Disclosures: Vahedi reports no relevant financial disclosures. Please see the full study for a list of all other authors’ relevant financial disclosures.