Why the study?
The appropriate position of the shelf in shelf acetabuloplasty has not been determined, particularly regarding avoiding range of motion loss in patients with developmental dysplasia of the hip.
Does the 3D position of the shelf in shelf acetabuloplasty affect range of motion in patients with developmental dysplasia of the hip?
Population
15 patients with DDH who underwent shelf acetabuloplasty
Comparison
Actual shelf acetabuloplasty vs virtual surgery computer simulation models
Design
Computer simulation analysis study
Authors
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May warrant 3D-guided shelf positioning to limit ROM loss in DDH; leaves open optimal parameters for prospective trials.
Does the 3D position of the shelf in shelf acetabuloplasty affect range of motion in patients with developmental dysplasia of the hip?
A higher center-edge angle and anterior position of the shelf during acetabuloplasty are significant factors causing range of motion inhibition, indicating optimal shelf location is needed to avoid iatrogenic impingement.
Miyajima et al. (2023) studied this question.
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