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The Rational Strategies for Detecting Developmental Dysplasia of the Hip at the Age of 4–6 Months Old Infants: A Prospective Study
Anton Tudor
Branko Šestan
Ivan Rakovac
Tea Schnurrer Luke-Vrbanić
Tomislav Prpić
Dušan Rubinić
Tomislav Đapić
Sažetak
Using ultrasound in evaluation of infant’s hip development can reduce surgical procedures, hospitalization and late
presentation of developmental dysplasia of the hip (DDH). The increasing incidence of DDH after ultrasound examination
is observed and published by many authors. In a prospective study, radiograph of every single ultrasonographic positive
hip in infants older than three months, was taken and analyzed in order to see whether it affects infants splintage
rate in treating DDH. In a period of 30 months, clinical and simple static ultrasonographic examinations according to
Graf were performed on 1430 consecutive infant hips in patients aged between 4 and 6 months. Sonographic positive hips
were radiographed and acetabular index (AI) values on simple AP radiographs were analyzed. The sonographic DDH
incidence was 51.75 per 1000 hips (51.75‰). After X-ray examination of all 74 ultrasonographic positive hips, only 44
remained abnormal and required treatment indicating a true DDH incidence of 30.77 per 1000 hips (30.77‰). The difference
in incidence per ultrasonographic and X-ray positive hips is statistically significant p <0. 01 (t=5,536). The rational
approach in detection of DDH in a child more than 3 months old is to do radiographic assessment of every sonographic
positive hip.
Ključne riječi
dysplasia; congenital hip; ultrasonography; radiographic; diagnosis
Hrčak ID:
27408
URI
Datum izdavanja:
10.4.2007.
Posjeta: 1.039 *