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Validity and reliability of radiological methods to assess proximal hip geometry in children with cerebral palsy: a systematic review
Author(s) -
Pons Christelle,
RémyNéris Olivier,
Médée Béatrice,
Brochard Sylvain
Publication year - 2013
Publication title -
developmental medicine and child neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.658
H-Index - 143
eISSN - 1469-8749
pISSN - 0012-1622
DOI - 10.1111/dmcn.12169
Subject(s) - cerebral palsy , reliability (semiconductor) , medicine , radiological weapon , validity , cochrane library , inclusion and exclusion criteria , nuclear medicine , magnetic resonance imaging , radiology , medical physics , physical therapy , orthodontics , meta analysis , psychometrics , physics , pathology , clinical psychology , power (physics) , alternative medicine , quantum mechanics
Aim The aim of this systematic review was to assess the current validity and reliability of radiological methods used to measure proximal hip geometry in children with cerebral palsy. Method A search was conducted using relevant keywords and inclusion/exclusion criteria of the MEDLINE , CINALH Plus, Embase, Web of Science, Academic Search Premier, The Cochrane Library, and Psych INFO databases. Results The migration percentage using X ‐rays showed excellent reliability and concurrent validity with three‐dimensional (3 D ) measurements from computed tomography ( CT ) scans. The acetabular index, measured using X ‐rays had good reliability but moderate concurrent validity with 3 D CT measurements; 3 D CT scan indexes had greater reliability. The measurement of the neck shaft angle using X ‐rays showed excellent concurrent validity with measurements from 3 D CT scans and excellent reliability. Regarding femoral anteversion, one study found an excellent correlation between two‐dimensional CT and clinical assessment and excellent reliability. Two others showed less evidence for the use of CT ultrasounds. Interpretation Most of the X ‐ray‐based measurements showed good to excellent metrological properties. More metrological evidence is needed for the assessment of femoral anteversion. Magnetic resonance imaging and ultrasound‐based measurements have great potential although very little metrological evidence is available.