El-Sayed MMH, Hammad ME, Khalifa AM, Eltanahy AF, Nada AA. Modified Capsulorrhaphy Technique in Open Reduction of Developmental Dysplasia of the Hip.
J Pediatr Orthop 2023;
Publish Ahead of Print:01241398-990000000-00305. [PMID:
37311652 DOI:
10.1097/bpo.0000000000002445]
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Abstract
BACKGROUND
Neglected patients with developmental dysplasia of the hip (DDH) are not uncommon. Various treatment modalities have been used. Capsulorrhaphy is one of the most critical steps during the process of open reduction of DDH. Inadequate capsulorrhaphy technique can increase the failure rate of open reduction procedures. This study presented the clinical and radiographic results of using a new capsulorrhaphy technique.
METHODS
Between November 2005 and March 2018, 540 DDH in 462 patients were retrospectively reviewed. The mean age at surgery was 31 months. All patients underwent a modified capsulorrhaphy technique developed by the main author (with or without additional pelvic or femoral procedures). Postoperative patient assessment during the follow-up period was performed both clinically and radiologically.
RESULTS
Follow-up period ranged between 36 months and 12 years. Based on the modified McKay score, good and excellent outcomes were obtained in 90.3%. Functional results were better in younger age (less than 39 mo). Both acetabular index and lateral center edge angle showed significant improvement at 3 years follow-ups. Proximal femoral growth disturbance (PFGD) was encountered in 92 hips. Classes 2 and 3 did not affect the functional results, whereas patients with PFGD classes 4 and 5 had fair to poor functional outcomes. There were 12 hips with redislocation. Revision was done using the same capsulorrhaphy technique.
CONCLUSION
Using the index technique of capsulorrhaphy in DDH surgery is safe, reliable, and yields good functional and radiologic outcomes with a relatively low complication rate.
LEVEL OF EVIDENCE
Level IV-therapeutic retrospective case series.
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