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Conference Paper: Prediction of sagittal pelvic rotation in plain pelvis x-ray

TitlePrediction of sagittal pelvic rotation in plain pelvis x-ray
Authors
Issue Date2008
PublisherSICOT/SIROT.
Citation
SICOT/SIROT 2008, XXIV Triennial World Congress, Hong Kong, 24-28 August 2008, p. Abstract no.17623 How to Cite?
AbstractDifferent methods had been described to estimate the degree of sagittal pelvic rotation in plain pelvic AP XR. Tang measured the obturator foramen ratio, which was defined as the tallest height over the widest width of the right obturator foramen. Katada and Ando measured the pelvic-tilt index, which was defined as the vertical diameter of the obturator foramen divided by the horizontal diameter of the pelvic foramen. Nishihara estimated the pelvic flexion angle by calculating the ratio of the vertical diameter of the pelvic foramen to the horizontal diameter. In our study, 15 sets of plain pelvic AP XR were randomly selected from our XR database for patients having avascular necrosis of hip. Values were then calculated according to methods described by Tang (Mean 0.86, SD 0.11, Range 0.66- 1.14), Katada and Ando (Mean 0.68, SD 0.09, Range 0.47-0.85), and Nishihara (Mean 0.68, SD 0.09, Range 0.47-0.85) respectively for reference. Plain pelvic AP XR were then taken in 13 sets of cadaveric bony pelvis in pre-determined degree of sagittal pelvic rotation (pelvis in neutral sagittal rotation, in 10°, 20°, 30°, 40°, 50° hyperextension, and in 10°, 20°, 30° hyperflexion). The effect of sagittal pelvic rotation on the values calculated by the methods described by Tang, Katada and Ando, and Nishihara were then studied. CONCLUSION: Sagittal Pelvic rotation can be assessed by using Plain Pelvis X-Ray.
Persistent Identifierhttp://hdl.handle.net/10722/62605

 

DC FieldValueLanguage
dc.contributor.authorChan, PK-
dc.contributor.authorMiao, X-
dc.contributor.authorTang, WM-
dc.contributor.authorChiu, PKY-
dc.date.accessioned2010-07-13T04:04:55Z-
dc.date.available2010-07-13T04:04:55Z-
dc.date.issued2008-
dc.identifier.citationSICOT/SIROT 2008, XXIV Triennial World Congress, Hong Kong, 24-28 August 2008, p. Abstract no.17623-
dc.identifier.urihttp://hdl.handle.net/10722/62605-
dc.description.abstractDifferent methods had been described to estimate the degree of sagittal pelvic rotation in plain pelvic AP XR. Tang measured the obturator foramen ratio, which was defined as the tallest height over the widest width of the right obturator foramen. Katada and Ando measured the pelvic-tilt index, which was defined as the vertical diameter of the obturator foramen divided by the horizontal diameter of the pelvic foramen. Nishihara estimated the pelvic flexion angle by calculating the ratio of the vertical diameter of the pelvic foramen to the horizontal diameter. In our study, 15 sets of plain pelvic AP XR were randomly selected from our XR database for patients having avascular necrosis of hip. Values were then calculated according to methods described by Tang (Mean 0.86, SD 0.11, Range 0.66- 1.14), Katada and Ando (Mean 0.68, SD 0.09, Range 0.47-0.85), and Nishihara (Mean 0.68, SD 0.09, Range 0.47-0.85) respectively for reference. Plain pelvic AP XR were then taken in 13 sets of cadaveric bony pelvis in pre-determined degree of sagittal pelvic rotation (pelvis in neutral sagittal rotation, in 10°, 20°, 30°, 40°, 50° hyperextension, and in 10°, 20°, 30° hyperflexion). The effect of sagittal pelvic rotation on the values calculated by the methods described by Tang, Katada and Ando, and Nishihara were then studied. CONCLUSION: Sagittal Pelvic rotation can be assessed by using Plain Pelvis X-Ray.-
dc.languageeng-
dc.publisherSICOT/SIROT.-
dc.relation.ispartofSICOT/SIROT World Congress-
dc.titlePrediction of sagittal pelvic rotation in plain pelvis x-ray-
dc.typeConference_Paper-
dc.identifier.emailTang, WM: wmtanga@hkucc.hku.hk-
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hk-
dc.identifier.authorityChiu, PKY=rp00379-
dc.identifier.hkuros162574-
dc.identifier.spageAbstract no.17623-
dc.identifier.epageAbstract no.17623-
dc.publisher.placeHong Kong-

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