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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Veröffentlicht in:	Clinical radiology 2000-06, Vol.55 (6), p.471-476
Hauptverfasser:	DEAN, J.R., ISON, K.T., GISHEN, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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