Developmental Dysplasia of the Hip (DDH) is thoroughly manageable if treated correctly. While the standard treatment is using a Pavlik harness, there is not enough research regarding those patients who have stable but immature Graf type 2b and 2c hips and whether a harness is needed. At Maidstone and Tunbridge Wells NHS Trust, all babies who present with Graf type 2b and 2c hip dysplasia are treated using a Pavlik harness, which is worn 24 hours a day for up to 12 weeks. Although the harness is usually very comfortable, it can result in stress and anxiety for parents, and may make caregiving activities such as bathing, feeding and carrying more difficult. Our aim is to run a feasibility trial, recruiting babies with type 2b and 2c hip dysplasia, to determine whether there is any difference in a group which is treated with Pavlik harnessing, or whether these hips do in fact mature on their own. We would like to ensure that Pavlik harness treatment is indeed necessary in these groups. Babies randomised to the comparator group with type 2b and 2c hips would be treated using a Pavlik Harness and following the usual protocol with ultrasound scans at 3 weeks, 8 weeks and 12 weeks post start of treatment, and harness duration is determined by the scan at 8 weeks. Babies randomised to the Intervention group would be monitored via ultrasound scans at 3 weeks, 6 weeks, 8 weeks and 12 weeks post diagnosis, and should it be determined that their hips are not maturing spontaneously, they will be placed in a harness immediately, and follow the treatment-group protocol. Since the scans are done so frequently, and their hips are stable, there is no risk to these babies. Babies in both groups would have x-rays at 9 months and 15 months to determine longer-term outcome. The trial will last for 15 months after diagnosis for each patient, and the end-point of the study would be on achieving a 15-month x-ray for the last recruited patient. Patients will be informed of the results of the study.
Age range
0 Weeks – 16 Weeks
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Ultrasound
Timeframe: 12 weeks after baseline scan
Ultrasound
Timeframe: 12 weeks after initial scan