Comparison of morphologic and dynamic US methods in examination of newborn hip

Follow-up Sonographic Results for Graf Type 2a Hips

“…Instability is independent of the morphologic characteristics of the hip and may be observed in hips with normal characteristics as well as dysplastic hips. In a recent publication from our center including 3400 infants, instability was detected in 8.52% of type 1 hips and 7.63% of type 2 hips 22 . This study shows that persistent instability is a predictor of abnormal morphologic development regardless of the initial sonographic morphologic characteristics, although various other studies have stated that instability coexisting with normal morphologic characteristics is of no importance 22 – 24 .…”

“…In a recent publication from our center including 3400 infants, instability was detected in 8.52% of type 1 hips and 7.63% of type 2 hips 22 . This study shows that persistent instability is a predictor of abnormal morphologic development regardless of the initial sonographic morphologic characteristics, although various other studies have stated that instability coexisting with normal morphologic characteristics is of no importance 22 – 24 . In addition, 90% of stable hips with abnormal sonographic findings normalize without treatment 20 .…”

Ultrasound screening for developmental dysplasia of the hip after 4 weeks increases exam accuracy and decreases follow-up visits

“…23 Some case outcomes were found to be inconclusive and required sufficient observation time in order to form a conclusive diagnosis. 24,25 However, follow-ups increase the cost of conducting the screening program. 26 Reducing follow-ups could lead to a more efficient and cost-effective screening program.…”

The Importance of the First Ultrasonic exam of Newborn Hips

“…Kosar P. and associates did a study on 3400 newborn infants in Ankara during 2009, comparing standard (morphometric) and dynamic methods (Graph's and Harcke's method), and ascertained 81.47% of type I -normal hip by Graph, and 91.48% stable hip by Harcke. Dynamic test (Harcke) was not done with hips IIb and worse and hence aberration in the percentage of normal and stable hips is possible (18). At the University Hospital in Stockholm a comparison of Ultrasonic findings by Harcke and by Graph on 536 patients with clinical signs of unstable hips was made.…”