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Conference Paper: Three-dimensional Acetabular Morphology in Chinese

TitleThree-dimensional Acetabular Morphology in Chinese
Authors
Issue Date2013
PublisherHong Kong Academy of Medicine Press.
Citation
The 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), Hong Kong, China, 23-24 November 2013. In the Abstracts of the 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), 2013, p. 36, abstract no. 4.6 How to Cite?
AbstractIntroduction: The study aimed to determine the gender differences in 3-dimensional (3D) acetabular morphology in Chinese adults, which would provide useful information on the aetiology of hip arthritis and the design of total hip arthroplasty prostheses. Methods: Volumetric computed tomographic data on 112 subjects without hip symptoms were used; Mimics and SolidWorks softwares were utilised for 3D construction. The acetabular parameters, including acetabular abduction angle (ABA), anteversion angle (AVA), acetabular width (AcW), and acetabular depth (AcD) were measured. The acetabular index of depth to width (AcD/AcW) was calculated by depth / width × 100. Results: Among the 66 female subjects, the mean (± standard deviation) age was 32.1 ± 2.8 years, and the mean ABA, AVA, AcW, and AcD were 42.5 ± 3.5 degrees, 19.8 ± 2.3 degrees, 51.6 ± 4.9 mm, and 17.8 ± 2.1 mm, respectively. For the 46 males, the mean age was 30.5 ± 3.9 years, and the mean ABA, AVA, AcW, and AcD were 38.3 ± 2.3 degrees, 17.1 ± 2.6 degrees, 57.1 ± 3.8 mm, and 17.9 ± 2.5 mm, respectively. Compared with male subjects, significant increases in ABA and AVA (p < 0.05), as well as significant decreases in AcW (p < 0.05) and AcD/AcW (p < 0.05) were noted in women. Discussion and Conclusion: The complex geometry of the concave acetabulum benefits from 3D visualisation and quantification. We provided a set of reference ranges for normal 3D acetabular morphology in the Chinese population. The ABA and AVA were significantly larger in women than in men.
DescriptionConference Theme: Defying the Aging Spine
Concurrent Free Papers 4: Hips and Knees I
Persistent Identifierhttp://hdl.handle.net/10722/204330

 

DC FieldValueLanguage
dc.contributor.authorQiu, Yen_US
dc.contributor.authorYan, CHen_US
dc.contributor.authorYau, WPen_US
dc.contributor.authorChiu, PKYen_US
dc.date.accessioned2014-09-19T22:41:14Z-
dc.date.available2014-09-19T22:41:14Z-
dc.date.issued2013en_US
dc.identifier.citationThe 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), Hong Kong, China, 23-24 November 2013. In the Abstracts of the 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), 2013, p. 36, abstract no. 4.6en_US
dc.identifier.urihttp://hdl.handle.net/10722/204330-
dc.descriptionConference Theme: Defying the Aging Spine-
dc.descriptionConcurrent Free Papers 4: Hips and Knees I-
dc.description.abstractIntroduction: The study aimed to determine the gender differences in 3-dimensional (3D) acetabular morphology in Chinese adults, which would provide useful information on the aetiology of hip arthritis and the design of total hip arthroplasty prostheses. Methods: Volumetric computed tomographic data on 112 subjects without hip symptoms were used; Mimics and SolidWorks softwares were utilised for 3D construction. The acetabular parameters, including acetabular abduction angle (ABA), anteversion angle (AVA), acetabular width (AcW), and acetabular depth (AcD) were measured. The acetabular index of depth to width (AcD/AcW) was calculated by depth / width × 100. Results: Among the 66 female subjects, the mean (± standard deviation) age was 32.1 ± 2.8 years, and the mean ABA, AVA, AcW, and AcD were 42.5 ± 3.5 degrees, 19.8 ± 2.3 degrees, 51.6 ± 4.9 mm, and 17.8 ± 2.1 mm, respectively. For the 46 males, the mean age was 30.5 ± 3.9 years, and the mean ABA, AVA, AcW, and AcD were 38.3 ± 2.3 degrees, 17.1 ± 2.6 degrees, 57.1 ± 3.8 mm, and 17.9 ± 2.5 mm, respectively. Compared with male subjects, significant increases in ABA and AVA (p < 0.05), as well as significant decreases in AcW (p < 0.05) and AcD/AcW (p < 0.05) were noted in women. Discussion and Conclusion: The complex geometry of the concave acetabulum benefits from 3D visualisation and quantification. We provided a set of reference ranges for normal 3D acetabular morphology in the Chinese population. The ABA and AVA were significantly larger in women than in men.-
dc.languageengen_US
dc.publisherHong Kong Academy of Medicine Press.-
dc.relation.ispartofAnnual Congress of the Hong Kong Orthopaedic Association (HKOA)en_US
dc.rightsAnnual Congress of the Hong Kong Orthopaedic Association (HKOA). Copyright © Hong Kong Academy of Medicine Press.-
dc.titleThree-dimensional Acetabular Morphology in Chineseen_US
dc.typeConference_Paperen_US
dc.identifier.emailYan, CH: yanchoi@hku.hken_US
dc.identifier.emailYau, WP: peterwpy@hkucc.hku.hken_US
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hken_US
dc.identifier.authorityYan, CH=rp00303en_US
dc.identifier.authorityYau, WP=rp00500en_US
dc.identifier.authorityChiu, PKY=rp00379en_US
dc.identifier.hkuros235772en_US
dc.identifier.hkuros240331-
dc.identifier.spage36, abstract no. 4.6en_US
dc.identifier.epage36, abstract no. 4.6en_US
dc.publisher.placeHong Kong, China-

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