Andrew D Speirs
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Explore the profile of Andrew D Speirs including associated specialties, affiliations and a list of published articles.
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Articles
18
Citations
161
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Recent Articles
1.
Laboudie P, Fischman D, Speirs A, Salih S, Holc F, Beaule P, et al.
Am J Sports Med
. 2022 Jul;
50(10):2637-2646.
PMID: 35867779
Background: Validated software tools (Clinical Graphics [CG] and HipNorm) permit measurement of the percentage of femoral head coverage (%FHC), which aids in morphological classification and prediction of outcome after hip...
2.
DeVries Z, Speirs A, Salih S, Beaule P, Witt J, Grammatopoulos G
Orthop J Sports Med
. 2021 Oct;
9(10):23259671211030495.
PMID: 34708135
Background: In addition to the relative size of the acetabular rim and how the pelvis is positioned in space, the plane in which the acetabular version is calculated also affects...
3.
Mason D, Murugkar S, Speirs A
J Biophotonics
. 2020 Sep;
14(1):e202000289.
PMID: 32924290
Articular cartilage posesses unique material properties due to a complex depth-dependent composition of sub-components. Raman spectroscopy has proven valuable in quantifying this composition through cartilage cross-sections. However, cross-sectioning requires tissue...
4.
Hodgdon T, Thornhill R, James N, Beaule P, Speirs A, Rakhra K
Eur Radiol
. 2020 Apr;
30(8):4695-4704.
PMID: 32248366
Objectives: The purpose of this study was to determine if the CT texture profile of acetabular subchondral bone differs between normal, asymptomatic cam-positive, and symptomatic cam-FAI hips. In addition, the...
5.
Smolders J, Speirs A, Frei H, Beaule P
J Hip Preserv Surg
. 2018 Nov;
5(3):259-266.
PMID: 30393553
A cam deformity is proposed as a cause of idiopathic osteoarthritis. Increased subchondral bone mineral density (BMD) is associated with this degenerative process of osteoarthritis, and the patient's activity level...
6.
Grammatopoulos G, Speirs A, Ng K, Riviere C, Rakhra K, Lamontagne M, et al.
J Orthop Res
. 2018 Jan;
36(7):1840-1848.
PMID: 29323746
Acetabular and spino-pelvic (SP) morphological parameters are important determinants of hip joint dynamics. This prospective study aimed to determine whether acetabular and SP morphological differences exist between hips with and...
7.
Beaule P, Speirs A, Anwander H, Melkus G, Rakhra K, Frei H, et al.
J Bone Joint Surg Am
. 2017 Aug;
99(16):1373-1381.
PMID: 28816897
Background: Cam morphology in association with femoroacetabular impingement (FAI) is a recognized cause of hip pain and cartilage damage and proposed as a leading cause of arthritis. The purpose of...
8.
Speirs A, Beaule P, Huang A, Frei H
J Biomech
. 2017 Mar;
55:78-84.
PMID: 28259463
Femoro-acetabular impingement (FAI) is associated with significant acetabular cartilage damage and degenerative arthritis. To understand the contact stress and thus biomechanical mechanisms that may contribute to degeneration, the material behaviour...
9.
Speirs A, Beaule P, Ferguson S, Frei H
J Biomech
. 2014 May;
47(10):2348-53.
PMID: 24856886
The understanding of load support mechanisms in cartilage has evolved with computational models that better mimic the tissue ultrastructure. Fibril-reinforced poroelastic models can reproduce cartilage behaviour in a variety of...
10.
Haider I, Speirs A, Beaule P, Frei H
Comput Methods Biomech Biomed Engin
. 2014 Apr;
18(12):1349-57.
PMID: 24697332
Hip resurfacing arthroplasty is an alternative to traditional hip replacement that can conserve proximal bone stock and has gained popularity but bone resorption may limit implant survival and remains a...