[Source:  Medical X-Press]

Statistical shape modeling of ultrasound (US) images of well-centered stable dysplastic hips in infants can predict persistent hip dysplasia (development of Graf type II hips) that could benefit from treatment, according to a study published in the May issue of Radiology.

Joshua M. Bonsel, M.D., from the University Medical Center Utrecht in the Netherlands, and colleagues used statistical shape modeling on US images to identify acetabular shape characteristics of Graf type II hips to enable prediction of the development and outcome of well-centered stable dysplastic hips. A statistical shape model was developed on baseline images from 104 infants aged 3 to 4 months with Graf type IIb or IIc hip dysplasia. Shape modes were correlated with the outcomes of persistent hip dysplasia on US images after 12-week follow-up and with residual hip dysplasia on pelvic radiographs around 1 year of age.

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