Ultrasound screening of hips at risk for CDH. Failure to reduce the incidence of late cases

Clarke, N.M., Clegg, J. and Al-Chalabi, A.N. (1989) Ultrasound screening of hips at risk for CDH. Failure to reduce the incidence of late cases. Journal of Bone and Joint Surgery, 71-B (1), 9-12. (PMID:2644290)

Abstract

Of 4,617 babies born in Coventry in 1986, a total of 448 (9.7%) had either clinical abnormality of the hip or at risk factors for CDH. All were examined by ultrasound, but only 17 required treatment (3.7 per 1,000); in five of these no clinical abnormality had been detected. An additional 81 babies had ultrasound abnormalities but did not require treatment, despite the fact that ultrasound at first showed major hip displacement in 17 of them. Three late cases of CDH have presented among the babies born in 1986, but not examined by ultrasound. This incidence of late CDH is unchanged compared with the previous nine years, although ultrasound had detected covert displacement in a number of hips.

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