Abstract
Besides an effective screening method for developmental dysplasia of the hip, there is certain number of children in whom the condition has been overseen or they have never been screened and the parents have noticed the odd walking pattern in their toddler. Treatment of such patients is controversial. One of the recommended treatment methods because of the short-term hospitalization, but often considered unsuccessful is closed reduction of the hip followed by cast immobilization. Closed hip reduction in late diagnosed developmental dysplasia of the hip gives good results. Our aim in this retrospective study was evaluation of the success of the treatment with closed reduction of hip dislocation in children older than 12 months. In the study, we included 20 patients treated at our clinic from June 2004 to May 2017. Of these 20 patients, 8 had bilateral involvement, 12 had unilateral, in a total of 28 hips. In all patients we noted preoperatively the range of movement, the presence of limp, any limb inequality, and hip pain. We used clinical and radiological parameters for evaluation. Clinically, we examined the range of movement, limb inequality as well as limb function and we classified it according to the modified McKay's criteria. Same examinations were done at 1, 3, and 5 years after closed reduction. At the last follow-up examination, using McKey's criteria for clinical evaluation we rated the hips in two patients (7%) as grade III, i.e. fair grade, 10 hips (36%) were grade II - rated good, and 16 hips (57%) were evaluated as grade I. In four hips, there were signs of avascular necrosis of the hip, while in one patient the avascular necrosis developed after the closed reduction. Radiographic assessment (Figs 3, 4) using Severin's scoring system showed no hips with types V and VI, type IV was observed in 7%, type III in 21%, type II in 29%, while most of the hips (12, 43%) were type I. We concluded that the procedure was justified. An advantage of this method is that it is inexpensive; it entails no direct operative changes of the bone structures and gives good results.
Highlights
Besides an effective screening method for developmental dysplasia of the hip, there is certain number of children in whom the condition has been overseen or they have never been screened and the parents have noticed the odd walking pattern in their toddler
Developmental dysplasia of the hip, walking age Developmental dysplasia of the hip is a sum of hip abnormalities, ranging from instability caused by capsule laxity, diverting to a complete dislocation of the femoral head connected to abnormality of the acetabulum.[1]
In four hips there were signs of avascular necrosis of the hip, while in one patient the avascular necrosis developed after the closed reduction
Summary
Besides an effective screening method for developmental dysplasia of the hip, there is certain number of children in whom the condition has been overseen or they have never been screened and the parents have noticed the odd walking pattern in their toddler There is certain number of children in whom the condition has been overseen or they have never been screened and the parents have noticed the odd walking pattern in their toddler In these patients that are older than 12 months and are in a process of learning to walk or already walk there is noticeable limp in walking as well as inequality of lower limbs, and limited abduction of the hip. The definitive diagnosis is made by a radiogram in antero-posterior direction (Fig. 1).[3]
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