Enhanced detection services for developmental dysplasia of the hip in Scottish children 1997-2013

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McAllister, David A., Morling, Joanne R., Fischbacher, C.A., Reidy, M., Murray, A. and Wood, R. (2018) Enhanced detection services for developmental dysplasia of the hip in Scottish children 1997-2013. Archives of Disease in Childhood . ISSN 1468-2044 (In Press)

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Abstract

Background

Developmental dysplasia of the hip (DDH) remains common. If detected early, DDH can usually be corrected with conservative management. Late presentations often require surgery, and have worse outcomes.

Objective

We estimated the risk of undergoing surgery for DDH by age 3 years before and after the introduction of enhanced DDH detection services.

Design

Retrospective cohort study

Setting

Scotland, 1997/98 – 2010/11

Patients

All children

Methods

Using routinely collected national hospital discharge records we examined rates of first surgery for DDH by age 3 by March 2014. Using a difference in difference analysis we compared rates in two areas of Scotland before (to April 2002) and after (from April 2005) implementation of enhanced DDH detection services to those seen in the rest of Scotland.

Results

For children born in the study period, the risk of first surgery for DDH by age 3 was 1.18 (95%CI 1.11-1.26) per 1,000 live births (918/777,375). Prior to April 2002, the risk of surgery was 1.13 (95%CI 0.88-1.42) and 1.31 (95%CI 1.16-1.46) per 1,000 live births in the intervention and non-intervention areas respectively. In the intervention areas, from April 2005, this risk halved (RR 0.47; 95%CI 0.32-0.68). The risk remained unchanged in other areas (RR 1.01; 0.86-1.18). The ratio for the difference in change of risk was 0.46 (95%CI 0.31-0.70).

Conclusions

The implementation of enhanced DDH detection services can produce substantial reductions the number of children having surgical correction for DDH.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/910769
Schools/Departments: University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Medicine > Division of Epidemiology and Public Health
Identification Number: https://doi.org/10.1136/archdischild-2017-314354
Depositing User: Eprints, Support
Date Deposited: 18 Jan 2018 11:13
Last Modified: 04 May 2020 19:31
URI: https://eprints.nottingham.ac.uk/id/eprint/49170

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