Abstract
Purpose
To investigate the impact of failed Pavlik harness (PH) treatment on the outcomes following closed reduction (CR) or open reduction (OR) in developmental dysplasia of the hip (DDH).
Methods
Ninety-three DDH patients treated with CR or OR were enrolled. One group of which received previous PH treatment (F group) and the other (L group) not. The clinical outcomes were evaluated according to McKay’s criteria. Radiographs were evaluated for acetabular index (AI) and the degree of dislocation of the hips.
Results
A higher rate of CR was found in F group (P = 0.034). Before CR/OR, the mean AI in F group was significantly lower than that in L group (P = 0.000), while at the last follow-up, the AIs in both groups were all improved. In F group, there were 7 (16.67%), 18 (42.86%) and 17 (40.48%) hips were classified as Graf type II, III and IV pathologic changes, respectively, when PH treatment started, while the corresponding data were 17 (40.48%), 17 (40.48%) and 8 (19.05%) after PH treatment (P = 0.024). At the last follow-up, no significant difference was found concerning the complications between the two groups (P > 0.05).
Conclusions
PH treatment, even if failed, may have the ability of accelerating the development of the acetabulum and increasing the rate of successful CR. Thus we advocate a trial of PH treatment for all DDH patients less than 6 months of age. Meanwhile, a close monitoring by dynamic ultrasonography is required due to the risk of AVN.
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Data Availability
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
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This work was supported by the Natural Science Foundation of Anhui Province (Grant number 1808085MH288).
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by YL, LK, JS and YZ. The first draft of the manuscript was written by LK and YL commented on previous versions of the manuscript. All authors read and approved the final manuscript. The authors YL and LK contributed equally to this work and should be considered as co-first authors.
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This is an observational study. The Research Ethics Committee of the Affiliated Provincial Pediatric Hospital of Anhui Medical University has confirmed that no ethical approval is required.
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Liu, Y., Kan, L., Sun, J. et al. Impact of Failed Pavlik Harness Treatment on the Outcomes Following Closed or Open Reduction in Developmental Dysplasia of the Hip. JOIO 56, 1634–1639 (2022). https://doi.org/10.1007/s43465-022-00680-x
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DOI: https://doi.org/10.1007/s43465-022-00680-x