Sonographic Evaluation of Developmental Hip Dysplasia using Graf’s Method
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 7
Abstract
The aim of the current study was to evaluate the hip joint for infants who were clinically diagnosed to have Developmental hip dysplasia (DDH) focusing mostly on the Graf’s method using ultrasonography, by measuring the α and β angles and correlate the results with the anatomical findings related the hip. Between December 2011- December 2014 the hips of 536 newborn infants were examined by ultrasound by routines screening program for DDH at age 0day up to 4 months. Sample including 145(27.1%) females and 391(72.9%) males .Participant's age were <30 days were 506(94.4%),31-60 days were 9(1.7%),61-90 days were 11(2.1%) ,and ages between 91-120 days were 10(1.9%).All infants were examined clinically and underwent Ultrasonography of the hip Ultrasonographic examination was performed with a 7.5-3.5 ,5 MHZ, linear transducer (Toshiba, Philips 2010, volusum4000, Son layer SSA-270A, Japan) The sonograms were classified according to Graf’s method in terms of the α and β angles. Anatomical landmarks to be evaluated were; femoral head, hip joint capsule, acetabular labrum, acetabular hyaline cartilage, acetabular bony roof and acetabular bony rim , using the standard plane where the bony ilium in the depth of the acetabular fossa, the apparent acetabular labrum and a straight iliac wing contour were clear . Results revealed that there is significant association between the β angle and acetabulum development, normality of the acetabuler labrum and normal presence of femoral head within the acetabuler cavity, at p =0.000,0.000,0.000 however the α angle should be considered if there is abnormal presentation of the labrum . Ischia development and acetabular bony roof , acetabular bony rim , joint capsule , acetabular hyaline cartilage and femoral head ligament normality were well correlated with the β angle at p= 0.006 and 0.000 and revealed that it was better to measure the α and β angle than to define the hip morphology and pathology alone .Application of ultrasonography using Graf’s method meets the necessities for identification of the hip anatomy ,morphology and pathology .This study recommended to screen the newborn hip beside the clinical examination, because of its ability to measure the angles objectively beside the evaluation the surrounding anatomy subjectively in order to detect the dysplasia as early as possible, so that early treatment can took place.
Authors and Affiliations
Wedad Abdalla Ali Abdelmagid, Elsafi Ahmed Abdalla, Caroline Edward Ayad
Keywords
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- EP ID EP377223
- DOI 10.9790/0853-1707036367.
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