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Type: Journal article
Title: Measurement of bone defects adjacent to acetabular components of hip replacement
Author: Stamenkov, R.
Howie, D.
Taylor, J.
Findlay, D.
Mc Gee, M.
Kourlis, G.
Carbone, A.
Burwell, M.
Citation: Clinical Orthopaedics and Related Research, 2003; 412(412):117-124
Publisher: Lippincott Williams & Wilkins
Issue Date: 2003
ISSN: 0009-921X
Statement of
Stamenkov, Roumen; Howie, Donald; Taylor, James; Findlay, David; McGee, Margaret; Kourlis, George; Carbone, Angelo; Burwell, Matthew
Abstract: Computed tomography can assist in the detection of periprosthetic osteolysis, but it has not been used to measure the actual volume of bone defects adjacent to hip replacement components because of the scanning artifact caused by metal. The aim of the current study was to develop a spiral computed tomography technique that provides precise and reliable volumetric measurement of bone defects adjacent to uncemented metal-backed acetabular components. Computed tomography scans were taken of small and large defects of known volume created in the ilium in a bovine hemipelvis and a pelvis from a cadaver. Scans were analyzed by two independent observers. The computed tomography operating conditions were determined that enabled volumetric measurements and that were accurate to within 96% for small and large defects and precise to greater than 98% for small and large defects. This computed tomography technique has the capability to measure accurately and precisely the volume of bone defects in the ilium adjacent to metal-backed acetabular components. This technique has clear advantages over plain radiographs. It will allow investigation of the natural history of osteolytic lesions, enhance preoperative planning, and improve monitoring of the outcomes of treatments of osteolysis.
Keywords: Acetabulum; Animals; Cattle; Humans; Osteolysis; Cadaver; Metals; Tomography, Spiral Computed; Arthroplasty, Replacement, Hip; Reproducibility of Results; Models, Animal; Aged; Male
RMID: 0020030546
DOI: 10.1097/01.blo.0000069001.16315.f4
Appears in Collections:Orthopaedics and Trauma publications

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