Incidence and treatment of developmental hip dysplasia in Mongolia: a prospective cohort study

Munkhuu, Bayalag; Essig, Stefan; Renchinnyam, Erdenesuvd; Schmid, Raoul; Wilhelm, Corina; Bohlius, Julia; Chuluunbaatar, Battulga; Shonkhuuz, Enkhtur; Baumann, Thomas (2013). Incidence and treatment of developmental hip dysplasia in Mongolia: a prospective cohort study. PLoS ONE, 8(10), e79427. Public Library of Science 10.1371/journal.pone.0079427

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BACKGROUND

In Mongolia, adequate early diagnosis and treatment of developmental hip dysplasia (DDH) have been unavailable and its incidence was unknown. We determined the incidence of ultrasonographic DDH in newborns and established adequate procedures for diagnosis and treatment of DDH at the largest maternity hospital in Ulaanbaatar, Mongolia.

METHODOLOGY/PRINCIPAL FINDINGS

During one year (Sept 2010 - Aug 2011) we assessed the hips newborns using ultrasound and Graf's classification of DDH. 8,356 newborns were screened; median age at screening was 1 day. We identified 14,873 Type 1 (89.0%), 1715 Type 2a (10.3%), 36 Type 2c (0.2%), 70 Type D (0.4%), 14 Type 3 (0.08%), and 4 Type 4 hips (0.02%). Children with Type 1 hips (normal) were discharged. Children with Type 2a hips (physiologically immature) received follow-up ultrasounds at monthly intervals. Children with Type 2c to 4 (DDH; deformed or misaligned hip joint) hips were treated with a Tubingen hip flexion splint and also followed up. The hip abnormalities resolved to mature hips in all children who were followed up. There was no evidence for severe treatment related complications.

CONCLUSION/SIGNIFICANCE

This study suggests that the incidence of DDH in Mongolian neonates is comparable to that in neonates in Europe. Early ultrasound-based assessment and splinting treatment of DDH led to mature hips in all children followed up. Procedures are feasible and will be continued.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)

UniBE Contributor:

Essig, Stefan, Bohlius, Julia Friederike

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

1932-6203

Publisher:

Public Library of Science

Language:

English

Submitter:

Doris Kopp Heim

Date Deposited:

11 Mar 2014 10:52

Last Modified:

02 Mar 2023 23:24

Publisher DOI:

10.1371/journal.pone.0079427

PubMed ID:

24205385

Additional Information:

Munkhuu and Essig contributed equally to this work.

BORIS DOI:

10.7892/boris.42189

URI:

https://boris.unibe.ch/id/eprint/42189

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