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The Bone & Joint Journal
Vol. 105-B, Issue 2 | Pages 209 - 214
1 Feb 2023
Aarvold A Perry DC Mavrotas J Theologis T Katchburian M

Aims

A national screening programme has existed in the UK for the diagnosis of developmental dysplasia of the hip (DDH) since 1969. However, every aspect of screening and treatment remains controversial. Screening programmes throughout the world vary enormously, and in the UK there is significant variation in screening practice and treatment pathways. We report the results of an attempt by the British Society for Children’s Orthopaedic Surgery (BSCOS) to identify a nationwide consensus for the management of DDH in order to unify treatment and suggest an approach for screening.

Methods

A Delphi consensus study was performed among the membership of BSCOS. Statements were generated by a steering group regarding aspects of the management of DDH in children aged under three months, namely screening and surveillance (15 questions), the technique of ultrasound scanning (eight questions), the initiation of treatment (19 questions), care during treatment with a splint (ten questions), and on quality, governance, and research (eight questions). A two-round Delphi process was used and a consensus document was produced at the final meeting of the steering group.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_VI | Pages 4 - 4
1 Mar 2012
Ashby E Katchburian M Paterson M Neyt J Roposch A
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Purpose

To determine the impact of sonographic information on surgeons' diagnostic thinking and decision-making in the management of infants with clinically suspicious hip dysplasia.

Four experienced consultant surgeons examined 66 hips referred for possible hip dysplasia and reported for each hip (i) the confidence level (visual analogue scale 0-100) about the diagnosis of this hip, and (ii) how they would manage the hip. Each infant was referred to ultrasound and the same surgeon repeated the rating with the sonographic information available. We determined the efficiency in diagnostic thinking and calculated the mean gain in diagnostic confidence that was provided by the sonographic information. We also determined the therapeutic efficacy, ie the impact of ultrasound information on surgeons’ management plans.

The ultrasound led to a change in diagnosis in 34/66 (52%) hips. However, the management plan only changed in 21/66 (32%) hips. The mean gain in reported diagnostic confidence was 19.37 (95% CI = 17.27, 21.47). If the treatment plan did not change, there still was a gain in diagnostic confidence but this gain was small with a mean value of 8 (95% CI = 5.29, 10.70). However, if the ultrasound led to a change of the treatment plan, the mean gain in diagnostic confidence was much higher with 46 (95% CI = 30.53, 60.79). The difference was -37.67 (P < 0.0001). Ultrasound was most useful (mean gain >30) in hips demonstrating limited abduction or a positive Galeazzi sign.

Conclusion

In this study, the sonographic information only led to a modest gain in diagnostic confidence. Ultrasound was particularly helpful for surgeons in clarifying hips with limited abduction or signs of leg length difference.