Measuring physiological and pathological femoral anteversion using a biplanar low-dose X-ray system: validity, reliability, and discriminative ability in cerebral palsy.
Objective: The aims of this study were to evaluate the concurrent validity and reliability of a low-dose biplanar X-ray system (Ld-BPR) for the measurement of femoral anteversion (FA) by comparing Ld-BPR-based three-dimensional measures with CT-scan-based measures and to assess the discriminative ab...
| Publicado en: | Skeletal Radiology Vol. 45; no. 2; pp. 243 - 251 |
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| Autores principales: | , , , , , , , |
| Formato: | diagnostic images pictorial research tables/charts Journal Article |
| Publicado: |
Springer Nature
Feb2016
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=111870767&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 111870767 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 03642348 O14 jtl: Skeletal Radiology issn: 03642348 maglogo: N pubinfo: dt: Feb2016 vid: 45 iid: 2 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 111870767 111870767 NLM26611255 111870767 10.1007/s00256-015-2298-y NLM26611255 111870767 ppf: 243 ppct: 8 formats: fmt: @attributes: type: P tig: atl: Measuring physiological and pathological femoral anteversion using a biplanar low-dose X-ray system: validity, reliability, and discriminative ability in cerebral palsy. aug: au: Thépaut, Matthias Brochard, Sylvain Leboucher, Julien Lempereur, Mathieu Stindel, Eric Tissot, Valentin Borotikar, Bhushan Thépaut, Matthias Borotikar, Bhushan S affil: Laboratoire de Traitement de l'Information Médicale, INSERM U1101, Batiment 1, Premier etage, CHRU Morvan - 2 Ave. Foch Brest France 29609 sug: subj: Reproducibility of Results Tomography, X-Ray Computed Femur Radiography Imaging, Three-Dimensional Cerebral Palsy Radiography Child Adolescence Human Child, Preschool Child: 6-12 years Adolescent: 13-18 years Child, Preschool: 2-5 years ab: Objective: The aims of this study were to evaluate the concurrent validity and reliability of a low-dose biplanar X-ray system (Ld-BPR) for the measurement of femoral anteversion (FA) by comparing Ld-BPR-based three-dimensional measures with CT-scan-based measures and to assess the discriminative ability of this method in children with cerebral palsy.Materials and Methods: Fifty dry femora were scanned using both a CT scan and the Ld-BPR system. Ten femora were artificially modified to mimic a range of anteversion from -30° to +60° and scanned by both modalities. FA was quantified using the images from both modalities and statistically compared for concurrent validity. Intra- and inter-observer reliability of the Ld-BPR system was also determined. Further, Ld-BPR data from 16 hemiplegic and 22 diplegic children were analyzed for its discriminative ability.Results: The concurrent validity between the Ld-BPR and CT-scan measures was excellent (R (2) = 0.83-0.84) and no significant differences were found. The intra- and inter-trial reliability were excellent (ICCs = 0.98 and 0.97) with limits of agreement of (-2.28°; +2.65°) and (-2.76°; +3.38°) respectively. Further, no significant effects of angle or method were found in the sample of modified femora. Ld-BPR measures for FA were significantly different between healthy and impaired femora.Conclusions: The excellent concurrent validity with the CT scan modality, the excellent reliability, and the ability to discriminate pathological conditions evaluated by this study make this radiological method suitable for a validated use across hospitals and research institutes. pubtype: Academic Journal doctype: diagnostic images pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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