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Permanent link (DOI): https://doi.org/10.7939/R3CJ87T8B

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

Descriptions

Other title
Subject/Keyword
Hip
Dysplasia
DDH
Infant
3D
Ultrasound
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Mabee, Myles G
Supervisor and department
Jaremko, Jacob (Radiology)
Thompson, Richard (Biomedical Engineering)
Examining committee member and department
Thompson, RIchard (Biomedical Engineering)
Jaremko, Jacob (Radiology)
El-Rich Marwan (Civil Engineering)
Department
Department of Biomedical Engineering
Specialization

Date accepted
2014-08-27T13:55:43Z
Graduation date
2014-11
Degree
Master of Science
Degree level
Master's
Abstract
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.
Language
English
DOI
doi:10.7939/R3CJ87T8B
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
Jaremko JL., Mabee M, Swami VG, et al. Potential for change in the US diagnosis of hip dysplasia solely caused by changes in probe orientation: Patterns of alpha-angle variation revealed by using three-dimensional US. Radiology 2014 (in press). © Radiological Society of North America.Cheng E, Mabee M, Swami VG, et al. Ultrasound Quantification of Acetabular Rounding in Hip Dysplasia: Reliability and Correlation to Treatment Decisions in a Retrospective Study. Ultrasound in Medicine and Biology 2014 (in press).Mabee M, Dulai S., Thompson R.B., Jaremko J.L., Reproducibility of acetabular landmarks and a standardized system obtained from 3D hip ultrasound. Ultrasonic Imaging 2014 (in press).

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