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Joint Diseases and
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Original Article · Open access

Does cranial bone ossification differ in children with developmental dysplasia of the hip?

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Tolga Tolunay

Department of Orthopedics and Traumatology, Gazi University Faculty of Medicine, Ankara, Türkiye

ORCID: 0000-0003-1998-3695

Hüseyin Emre Tepedelenlioğlu

Department of Orthopedics and Traumatology, Ankara Etlik City Hospital, Ankara, Türkiye

ORCID: 0000-0002-3946-8554

Ayşin Hanlı Şahin

Department of Pediatrics, Abdurrahman Yurtaslan Training and Research Hospital, Ankara, Türkiye

ORCID: 0000-0002-8443-4556

Şefik Murat Arıkan

Department of Orthopedics and Traumatology, Gazi University Faculty of Medicine, Ankara, Türkiye

ORCID: 0000-0003-0376-5589

Hakan Atalar

Department of Orthopedics and Traumatology, Gazi University Faculty of Medicine, Ankara, Türkiye

ORCID: 0000-0002-0016-0552

Serkan Savlık

Department of Orthopedics and Traumatology, Gediz State Hospital, Kütahya, Türkiye

ORCID: 0000-0002-2360-2616

Cemil Yıldız

Department of Orthopedics and Traumatology, Gülhane Training and Research Hospital, Ankara, Türkiye

ORCID: 0000-0001-7526-6071

Abstract

Objectives: This study aims to compare cranial bone ossification between patients with developmental dysplasia of the hip (DDH) and healthy individuals.

Patients and methods: Between September 2021 and April 2022, a total of 60 healthy female individuals (median age: 24.5 months; range, 18 to 36 months) and 56 female DDH patients (median age: 23 months; range, 18 to 35 months) were included. Age, head circumference, weight, height, and patency of the anterior fontanel were measured in groups. Percentiles were classified as very low, low, normal, high and very high. All patients were female and those with abnormal thyroid function test, vitamin D, calcium, phosphate and alkaline phosphatase values were not included in the study. For those diagnosed with DDH, they were included in the group regardless of the type of treatment.

Results: No statistically significant difference was found between the groups in terms of age and weight (p>0.05). The very low and very high head circumferences were more frequent, and the normal head circumferences were less frequent in the DDH group (p<0.05). There was no significant difference between groups in terms of fontanel closure (p>0.05). In open fontanels, no significant difference was found in both groups in terms of age (p>0.05).

Conclusion: Our study results showed no significant difference between the fontanel ossifications of children with and without DDH; however, we found that the ossification of the skull bones of children with DDH was different compared to healthy children.

Declarations

Ethics Committee Approval

The study protocol was approved by the Ankara City Hospital Ethics Committee (date: 30.06.2021, no: E2-21-641). The study was conducted in accordance with the principles of the Declaration of Helsinki.

Informed Consent

A written informed consent was obtained from each patient.

Author Contributions

Idea/concept: T.T., H.A.; Design: C.Y., H.A.; Control/supervision: Ş.M.A., H.A., T.T., C,Y.; Data collection and/or processing: H.E.T., A.Ş.H.; Analysis and/or interpretation: H.E.T.; Literature review: H.E.T., Ş.M.A.; Writing the article: H.E.T.; Critical review: T.T., Ş.M.A., H.A.; References and fundings: H.E.T, S.S.; Materials: H.E.T, H.A., A.Ş.H.; Other: S.S.

Conflict of Interest

The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.

Financial Disclosure

The authors received no financial support for the research and/or authorship of this article.

Data Sharing Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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