Novel Indices for the Diagnosis of Infant Hip Dysplasia Using Two and Three Dimensional Ultrasound

  • Author / Creator
    Mabee, Myles G
  • Infant developmental dysplasia of the hip (DDH) is a common condition in which the ball and socket joint of the hip is not formed properly. Current diagnosis techniques are controversial and lack firm agreement between physicians. Diagnosis is based on a joint application of physical examination and imaging of the hip, generally by two dimensional (2D) ultrasound. 2D ultrasound techniques are based upon the Graf method, which has many limitations such as high inter/intra- observer variability and large inter-scan variability. Understanding of DDH may be improved by adding secondary indices such as the acetabular radius of curvature discussed in this thesis. With recent improvements in 3D ultrasound, there may be added benefit in using this technology to image infant hips for the purpose of a more reliable diagnosis. The 3D inStability angle introduced in the thesis has high reliability and demonstrates preliminary diagnostic utility for the identification of dysplastic hips.

  • Subjects / Keywords
  • Graduation date
    Fall 2014
  • Type of Item
  • Degree
    Master of Science
  • DOI
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.