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Scintigraphic assessment of bone status at one year following hip resurfacing : comparison of two surgical approaches using SPECT-CT scan

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Amarasekera, Hiran W., Roberts, P., Costa, Matthew L., Parsons, Nicholas R., Achten, Juul, Griffin, Damian R. and Williams, N. R. (2012) Scintigraphic assessment of bone status at one year following hip resurfacing : comparison of two surgical approaches using SPECT-CT scan. Bone & Joint Research, 1 (5). pp. 86-92. doi:10.1302/2046-3758.15.2000046

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Official URL: http://dx.doi.org/10.1302/2046-3758.15.2000046

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Abstract

Objectives: To study the vascularity and bone metabolism of the femoral head/neck following hip resurfacing arthroplasty, and to use these results to compare the posterior and the trochanteric-flip approaches.
Methods: In our previous work, we reported changes to intra-operative blood flow during hip resurfacing arthroplasty comparing two surgical approaches. In this study, we report the vascularity and the metabolic bone function in the proximal femur in these same patients at one year after the surgery. Vascularity and bone function was assessed using scintigraphic techniques. Of the 13 patients who agreed to take part, eight had their arthroplasty through a posterior approach and five through a trochanteric-flip approach.
Results: One year after surgery, we found no difference in the vascularity (vascular phase) and metabolic bone function (delayed phase) at the junction of the femoral head/neck between the two groups of patients. Higher radiopharmaceutical uptake was found in the region of the greater trochanter in the trochanteric-flip group, related to the healing osteotomy.
Conclusions: Our findings using scintigraphic techniques suggest that the greater intra-operative reduction in blood flow to the junction of the femoral head/neck, which is seen with the posterior approach compared with trochanteric flip, does not result in any difference in vascularity or metabolic bone function one year after surgery.

Item Type: Journal Article
Subjects: R Medicine > RD Surgery
Divisions: Faculty of Medicine > Warwick Medical School > Health Sciences
Faculty of Medicine > Warwick Medical School
Faculty of Medicine > Warwick Medical School > Health Sciences > Clinical Trials Unit
Library of Congress Subject Headings (LCSH): Orthopedic surgery, Hip joint -- Surgery, Bones -- Metabolism
Journal or Publication Title: Bone & Joint Research
Publisher: British Editorial Society of Bone and Joint Surgery
ISSN: 2046-3758
Official Date: 28 May 2012
Dates:
DateEvent
28 May 2012Published
9 May 2012Accepted
Volume: 1
Number: 5
Page Range: pp. 86-92
DOI: 10.1302/2046-3758.15.2000046
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: British Orthopaedic Association. Joint Action

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