Incidence of hip dysplasia in idiopathic clubfoot

Brian T Carney1, Edward A Vanek

  • 1Shriners Hospital for Children, Lexington, KY, USA. bcarney58@hotmail.com

Insights

This study investigated hip dysplasia in infants with idiopathic clubfoot. Results indicate a potential association, with 16% of infants showing radiographic signs of hip dysplasia.

Area of Science:

  • Pediatric Orthopedics
  • Developmental Biology

Background:

  • Developmental dysplasia of the hip (DDH) is a condition affecting hip joint stability.
  • Idiopathic clubfoot is a common congenital foot deformity.
  • Previous reports suggested no increased DDH risk in infants with idiopathic clubfoot.

Purpose of the Study:

  • To determine the incidence of radiographic hip dysplasia in infants diagnosed with idiopathic clubfoot.
  • To investigate the association between idiopathic clubfoot and DDH.

Main Methods:

  • A cohort of 51 infants with idiopathic clubfoot underwent surgical release.
  • Anterior-posterior pelvic radiographs were obtained at 4 months or older.
  • Radiographs were analyzed to screen for signs of DDH, including acetabular index measurements.

Main Results:

  • Radiographic hip dysplasia was identified in 8 out of 51 infants (16%).
  • The acetabular index exceeded 28 degrees in affected infants, indicating potential hip dysplasia.

Conclusions:

  • This study suggests a possible association between idiopathic clubfoot and developmental dysplasia of the hip.
  • Findings contradict previous reports and highlight the need for further investigation into DDH screening in infants with clubfoot.