Midterm Follow-Up of Vertebral Geometry and Remodeling of the Vertebral Bidisk Unit (VDU) After Percutaneous Vertebroplasty of Osteoporotic Vertebral Fractures

The purpose of this study was to investigate geometrical stability and preservation of height gain of vertebral bodies after percutaneous vertebroplasty during 2 years’ follow-up and to elucidate the geometric remodeling process of the vertebral bidisk unit (VDU) of the affected segment. Patients wi...

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Bibliographic Details
Published in:Cardiovascular and interventional radiology 2009-09, Vol.32 (5), p.1004-1010
Main Authors: Pitton, Michael Bernhard, Koch, Ulrike, Drees, Philip, Düber, Christoph
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
BODY
Bone Cements - therapeutic use
Cardiology
Clinical Investigation
COMPUTERIZED TOMOGRAPHY
DIAGNOSTIC TECHNIQUES
ESTERS
FAILURES
Female
Follow-Up Studies
FRACTURES
Fractures, Compression - diagnosis
Fractures, Compression - etiology
Fractures, Compression - surgery
Humans
Imaging
INJECTION
INTAKE
Magnetic Resonance Imaging
Male
Medicine
Medicine & Public Health
Middle Aged
Nuclear Medicine
ORGANIC COMPOUNDS
ORGANIC POLYMERS
ORGANS
Osteoporosis - complications
PMMA
POLYACRYLATES
POLYMERS
Polymethyl Methacrylate - therapeutic use
POLYVINYLS
Prospective Studies
Radiology
RADIOLOGY AND NUCLEAR MEDICINE
SKELETON
Spinal Fractures - diagnosis
Spinal Fractures - etiology
Spinal Fractures - surgery
TOMOGRAPHY
Tomography, X-Ray Computed
Treatment Outcome
Ultrasound
VERTEBRAE
Vertebroplasty - methods
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Summary:The purpose of this study was to investigate geometrical stability and preservation of height gain of vertebral bodies after percutaneous vertebroplasty during 2 years’ follow-up and to elucidate the geometric remodeling process of the vertebral bidisk unit (VDU) of the affected segment. Patients with osteoporotic vertebral compression fractures with pain resistant to analgetic drugs were treated with polymethylmethacrylate vertebroplasty. Mean ± standard error cement volume was 5.1 ± 2.0 ml. Vertebral geometry was documented by sagittal and coronal reformations from multidetector computed tomography data sets: anterior, posterior, and lateral vertebral heights, end plate angles, and compression index (CI = anterior/posterior height). Additionally, the VDU (vertebral bodies plus both adjacent disk spaces) was calculated from the multidetector computed tomography data sets: anterior, posterior, and both lateral aspects. Patients were assigned to two groups: moderate compression with CI of >0.75 (group 1) and severe compression with CI of
ISSN:0174-1551
1432-086X
DOI:10.1007/s00270-009-9521-y