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Davies R, Talbot C, Paton R. Evaluation of primary care 6- to 8-week hip check for diagnosis of developmental dysplasia of the hip: a 15-year observational cohort study. Br J Gen Pract. 2020;70(693):e230-e235doi: 10.3399/bjgp20X708269.
Davies, R., Talbot, C., & Paton, R. (2020). Evaluation of primary care 6- to 8-week hip check for diagnosis of developmental dysplasia of the hip: a 15-year observational cohort study. The British journal of general practice : the journal of the Royal College of General Practitioners, 70(693), e230-e235. https://doi.org/10.3399/bjgp20X708269
Davies, Ronnie, et al. "Evaluation of primary care 6- to 8-week hip check for diagnosis of developmental dysplasia of the hip: a 15-year observational cohort study." The British journal of general practice : the journal of the Royal College of General Practitioners vol. 70,693 (2020): e230-e235. doi: https://doi.org/10.3399/bjgp20X708269
Davies R, Talbot C, Paton R. Evaluation of primary care 6- to 8-week hip check for diagnosis of developmental dysplasia of the hip: a 15-year observational cohort study. Br J Gen Pract. 2020 Mar 26;70(693):e230-e235. doi: 10.3399/bjgp20X708269. Print 2020 Apr. PMID: 32094221; PMCID: PMC7041638.
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Br J Gen Pract. 2020 Mar 26;70(693):e230-e235. doi: 10.3399/bjgp20X708269. Print 2020 Apr.

Evaluation of primary care 6- to 8-week hip check for diagnosis of developmental dysplasia of the hip: a 15-year observational cohort study.

The British journal of general practice : the journal of the Royal College of General Practitioners

Ronnie Davies, Christopher Talbot, Robin Paton

Affiliations

  1. Department of Trauma and Orthopaedics, Royal Manchester Infirmary, Manchester.
  2. Department of Paediatric Trauma and Orthopaedics, Alder Hey Childrens NHS Foundation Trust, Liverpool.
  3. Department of Trauma and Orthopaedics, Royal Blackburn Hospital, Blackburn; honorary professor, School of Medicine, University Central Lancashire, Preston.

PMID: 32094221 PMCID: PMC7041638 DOI: 10.3399/bjgp20X708269

Abstract

BACKGROUND: The current 6- to 8-week Newborn and Infant Physical Examination (NIPE) clinical assessment is a current standard hip-screening test in the community (England) to detect developmental dysplasia of the hip (DDH).

AIM: To assess the value of the primary care 6- to 8-week clinical hip examination for the diagnosis of DDH.

DESIGN AND SETTING: A single-centre 15-year observational cohort study at a district general hospital between 1 January 1996 and 31 December 2010.

METHOD: Those referred by the GP or community practitioner with suspected instability or abnormality of the hip joint (DDH), were clinically and sonographically examined in a specialist hip-screening clinic. Modified Graf Type III and IV, and radiological irreducible hip dislocation were considered to be 'pathological' hips. Screening failures were defined as those who had not been identified by this primary care screening assessment (but had irreducible hip dislocation). Secondary univariate and multivariable analyses were performed to determine which clinical findings are predictive of instability.

RESULTS: Over the study period, there were 70 071 infants who underwent the 6- to 8-week clinical hip assessment. In the specialist hip-screening clinic, six (from the 170 referred) were diagnosed with pathological DDH. The sensitivity, specificity, positive predictive value, and negative predictive value for the 6- to 8-week clinical hip assessment were 16.7%, 99.8%, 3.5%, and 100.0%, respectively. A multivariable model showed a positive Ortolani manoeuvre to be the sole independent predictor of instability at 6 to 8 weeks.

CONCLUSION: This 15-year study highlights the limitations of a hip check at 6 to 8 weeks. These findings support the reassessment of the national guidelines for this aspect of the NIPE DDH screening programme.

© British Journal of General Practice 2020.

Keywords: clinical examination; cohort studies; hip dysplasia; primary healthcare; screening

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