Biomechanical study of cervical spine stabilization with methylmethacrylate

Polymethylmethacrylate (PMMA) has been used to provide immediate fixation in the spine, especially in the cervical region. With its use spreading to nontumor cases and a younger patient population, its biomechanical contribution to the stability and strength of the injured spine becomes increasingly...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 1985-04, Vol.10 (3), p.198-203
Main Authors: PANJABI, M. M, GOEL, V. K, CLARK, C. R, KEGGI, K. J, SOUTHWICK, W. O
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biomechanical Phenomena
Cervical Vertebrae - physiopathology
Cervical Vertebrae - surgery
Diseases of the osteoarticular system
Diseases of the spine
Humans
Male
Medical sciences
Methylmethacrylates - therapeutic use
Middle Aged
Multiple Myeloma - complications
Quadriplegia - etiology
Spinal Diseases - etiology
Spinal Diseases - physiopathology
Spinal Diseases - surgery
Spinal Fusion - methods
Surgical Mesh
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Summary:Polymethylmethacrylate (PMMA) has been used to provide immediate fixation in the spine, especially in the cervical region. With its use spreading to nontumor cases and a younger patient population, its biomechanical contribution to the stability and strength of the injured spine becomes increasingly important. The present study is unique, as it provides, for the first time, results of a three-dimensional stability and flexion strength testing of a surgical specimen removed at autopsy after 7 years. Also tested, in the identical manner, is a normal specimen to provide control data. The PMMA specimen, as compared with the control, was generally found to have less motion. Its flexion strength was at par with that of the control, although it did not exhibit the initial low-stiffness region of the normal spine specimen.
ISSN:0362-2436
1528-1159
DOI:10.1097/00007632-198504000-00003