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. 2011 Dec;469(12):3451-61.
doi: 10.1007/s11999-011-2066-9. Epub 2011 Sep 28.

Standardized diagnostic criteria for developmental dysplasia of the hip in early infancy

Andreas Roposch  1 , Liang Q Liu, Fritz Hefti, Nicholas M P Clarke, John H Wedge
Affiliations

Standardized diagnostic criteria for developmental dysplasia of the hip in early infancy

Andreas Roposch et al. Clin Orthop Relat Res. 2011 Dec.

Abstract

Background: Clinicians use various criteria to diagnose developmental dysplasia of the hip (DDH) in early infancy, but the importance of these various criteria for a definite diagnosis is controversial. The lack of uniform, widely agreed-on diagnostic criteria for DDH in patients in this age group may result in a delay in diagnosis of some patients.

Questions/purposes: Our purpose was to establish a consensus among pediatric orthopaedic surgeons worldwide regarding the most relevant criteria for diagnosis of DDH in infants younger than 9 weeks.

Material and methods: We identified 212 potential criteria relevant for diagnosing DDH in infants by surveying 467 professionals. We used the Delphi technique to reach a consensus regarding the most important criteria. We then sent the survey to 261 orthopaedic surgeons from 34 countries.

Results: The response rate was 75%. Thirty-seven items were identified by surgeons as most relevant to diagnose DDH in patients in this age group. Of these, 10 of 37 (27%) related to patient characteristics and history, 13 of 37 (35%) to clinical examination, 11 of 37 (30%) to ultrasound, and three of 37 (8%) to radiography. A Cronbach alpha of 0.9 for both iterations suggested consensus among the panelists.

Conclusion: We established a consensus regarding the most relevant criteria for the diagnosis of DDH in early infancy and established their relative importance on an international basis. The highest ranked clinical criteria included the Ortolani/Barlow test, asymmetry in abduction of 20° or greater, breech presentation, leg-length discrepancy, and first-degree relative treated for DDH.

Level of evidence: Level IV, diagnostic study. See the Guidelines for Authors for a complete description of levels of evidence.

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Figures

Fig. 1
Fig. 1
The country of practice and number of responding participants for each country for iterations 1 and 2 are shown.
Fig. 2
Fig. 2
The single steps (left) of the study and their objectives (right) are outlined. In total, three surveys were conducted.
See this image and copyright information in PMC

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