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Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 59 - 60
1 Mar 2009
Sohár G Kopasz N Pocsik A Mészáros T Tòth K
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Early detection and management of developmental dysplasia of the hip (DDH) yields simpler and more effective the treatment. Diagnosis by ultrasound has changed the clinical view of the disease. However, the need and the way of ultrasound screening is still controversial. Diagnosis by ultrasound has shown that morphological abnormalities may not be associated with clinical signs.

In Hungary all newborns are screened clinically within the first and also the third week of life, and controlled at the age of four month. Clinical examination is performed by an Ortopaedic specialist. Ultrasound screening is first performed for children with clinical signs and for children at risk at three weeks of age. Radiological examination, when necessary, is first performed at the age of four month.

In the five year timeline (2001–2005) that was re-evaluated 7339 children presented 9706 times for screening for DDH at the University of Szeged (Hungary) Department of Orthopaedics. Out of these cases 6991 (95.2%) children were found to be healthy and 348 (4.8%) were diagnosed for DDH. Children with dysplasia presented 896 times for treatment and follow-up. Patient compliance in the DDH group was average 2.5 visits, while for the healthy group it was only average 1.2 visits. Because of clinical signs or risk factors 1569 (21%) children had ultrasound examination, all-together 2169 times. 84% of the initial ultrasound examination showed Graf stage Ia hip. Out of the diagnosed 348 DDH cases 31 patients (Graf IIa-IIc) were administered with Pavlik harness, and 314 (Graf Ib-IIa) were treated with splinting. Remaining 3 cases were diagnosed late, where no ultrasound examination was performed. In the DDH cases 832 ultrsonographic examination was performed during the treatment (average 2.4 examination/case).

Radiographic control of all treated children excluded avascular necrosis in all cases. For this population 14 first operative procedure was needed so far. In our experience clinical screening and selective ultrasound examination is effective in the screening and early detection of developmental dyspalsia of the hip. In our practice, we promptly treated all patients with detected morphological changes as a deficiency in hip development. This way selective screening has helped us in the management of developmental dyspalsia of the hip. Hopefully, with the selective indication the number of false positive cases was reduced, while the „silent” clinical instabilities were given a chance for better long term development.