Key result
Following periacetabular osteotomy for developmental dysplasia of the hip, a postoperative lateral center-to-edge angle > 38° was associated with a significantly higher risk of adverse outcomes (OR 16.573).
Why the study?
Few follow-up outcomes of PAO in China have been reported internationally, and risk factors affecting patient-reported outcomes have not been discussed in recent studies.
Does Bernese periacetabular osteotomy (PAO) improve patient-reported outcomes in patients with developmental dysplasia of the hip (DDH)?
Population
71 patients (79 hips) undergoing PAO for DDH
Comparison
Risk factors influencing patient-reported adverse vs preserved hip outcomes
Design
Cohort study
Follow-up
Average 2.98 years
Authors
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Excessive postoperative LCEA may increase complications after PAO; hypothesis-generating and requires prospective validation before guiding practice.
Cohort (n=71)
No
Does Bernese periacetabular osteotomy (PAO) improve patient-reported outcomes in patients with developmental dysplasia of the hip (DDH)?
Odds Ratio: 16.573 (95% CI 2.912–94.323)
p-value: p=0.002
Periacetabular osteotomy significantly improves patient-reported outcomes in developmental dysplasia of the hip, with optimal results achieved when postoperative LCEA is <38.1° and Tönnis angle is between -9° and 0°.
Fan et al. (2021) conducted a cohort in Developmental dysplasia of the hip (DDH) (n=71). Postoperative lateral center-to-edge angle (LCEA) > 38° vs. Postoperative LCEA 20°-38° was evaluated on Adverse outcome (symptomatic hip defined as Harris Hip Score < 80) (OR 16.573, 95% CI 2.912-94.323, p=0.002). Following periacetabular osteotomy for developmental dysplasia of the hip, a postoperative lateral center-to-edge angle > 38° was associated with a significantly higher risk of adverse outcomes (OR 16.573).
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