The Strengthening Effect of Percutaneous Vertebroplasty

AIM: To examine whether single-needle vertebroplasty is effective in strengthening vertebrae. MATERIALS AND METHODS: Four adjacent intact lumbar vertebrae were removed from each of nine adult post-mortem subjects. One or two vertebra of each set was injected with low viscosity acrylic bone cement us...

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Bibliographic Details
Published in:Clinical radiology 2000-06, Vol.55 (6), p.471-476
Main Authors: DEAN, J.R., ISON, K.T., GISHEN, P.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Biological and medical sciences
Biomechanical Phenomena
Bone Cements - therapeutic use
Compressive Strength - drug effects
Diseases of the osteoarticular system
Diseases of the spine
Dose-Response Relationship, Drug
Female
Humans
Investigative techniques, diagnostic techniques (general aspects)
Lumbar Vertebrae - diagnostic imaging
Lumbar Vertebrae - drug effects
Lumbar Vertebrae - physiology
Male
Medical sciences
Middle Aged
Osteoarticular system. Muscles
Polymethyl Methacrylate - therapeutic use
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Radiography
Statistics, Nonparametric
vertebroplasty, bone cement, methyl methacrylate, lumbar spine
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Summary:AIM: To examine whether single-needle vertebroplasty is effective in strengthening vertebrae. MATERIALS AND METHODS: Four adjacent intact lumbar vertebrae were removed from each of nine adult post-mortem subjects. One or two vertebra of each set was injected with low viscosity acrylic bone cement using a single-track posterolateral approach. Vertebral strength was measured during constant rate axial compression. RESULTS: Single-needle injection delivered different quantities of cement (1–8ml) in an asymmetric distribution. Injected vertebrae were stronger than controls in 10 out of 12 cases (P
ISSN:0009-9260
1365-229X
DOI:10.1053/crad.2000.0478