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A Novel Technique of Rescuing Capsulorhexis Radial Tear-out using a Cystotome
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Modified Capsulorrhaphy Technique in Open Reduction of Developmental Dysplasia of the Hip

Mohamed M H El-Sayed1, Mostafa E Hammad2, Ahmed M Khalifa3

  • 1Department of Orthopaedic Surgery and Traumatology.

Journal of Pediatric Orthopedics
|June 13, 2023
PubMed

Insights

A new capsulorrhaphy technique for developmental dysplasia of the hip (DDH) in children is safe and effective. This method improved clinical and radiographic outcomes, with a low complication rate in open reduction procedures.

Area of Science:

  • Orthopedic surgery
  • Pediatric orthopedics
  • Hip joint biomechanics

Background:

  • Developmental dysplasia of the hip (DDH) is a common condition requiring surgical intervention.
  • Open reduction is a key procedure for DDH, with capsulorrhaphy being a critical step.
  • Inadequate capsulorrhaphy can lead to higher failure rates in DDH treatment.

Purpose of the Study:

  • To evaluate the clinical and radiographic outcomes of a novel capsulorrhaphy technique for DDH.
  • To assess the safety and reliability of the modified capsulorrhaphy in open reduction procedures.
  • To identify factors influencing functional results and complications in DDH surgery.

Main Methods:

  • Retrospective review of 540 DDH cases in 462 patients (November 2005 - March 2018).
  • All patients underwent a modified capsulorrhaphy technique, with or without additional pelvic/femoral procedures.
  • Clinical and radiological assessments were performed postoperatively, with a follow-up of 36 months to 12 years.

Main Results:

  • 90.3% of patients achieved good to excellent outcomes based on the modified McKay score.
  • Younger patients (under 39 months) showed better functional results.
  • Significant improvements in acetabular index and lateral center edge angle were observed at 3-year follow-ups.
  • Proximal femoral growth disturbance (PFGD) occurred in 92 hips, with classes 4 and 5 correlating to poorer outcomes.
  • Redislocation occurred in 12 hips, with revisions using the same technique.

Conclusions:

  • The novel capsulorrhaphy technique is safe and reliable for DDH surgery.
  • This technique yields favorable functional and radiological outcomes.
  • The modified capsulorrhaphy is associated with a relatively low complication rate in DDH treatment.
Abstract

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