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A PROSPECTIVE STUDY OF THE VERTEBRAL BODY AUGMENTATIONS IN SENILE COMPRESSION FRACTURES: ONE-YEAR REPORT



Abstract

Since September 1999, a total of 45 senile patients with vertebral compression fractures have been randomly selected for this study. Three treatment modalities were performed including the medical treatment only(15; control group), PMMA cement(15; PMMA group) and HA cement(15; HA group) augmentation. The transpedicular injections of PMMA and HA cements were performed on the latter two groups respectively via posterior approach.

For all these patients, the subjective feeling and physical performance were evaluated by questionnaire (Modified Oswestry Questionnaire). The preop and postop X-rays, CT, bone density and bone markers were performed regularly for comparison and analysis.

In general, the subjective feeling and physical performance had at least one grade improvement. Even though the short-term results using questionnaire did not have significant differences among these three groups, many parameters did show the advantages of using cements. The back pain, self-esteem and quality of life resolved much earlier and persistent than that of control group. The non-progression in local kyphosis was also noted in the cement groups.

In addition, there were no significant differences between PMMA and HA cement groups. Both could be regarded as effective and reliable. However, due to the unique biological properties, HA cement is more promising in the future management of osteoporotic fractures.

The abstracts were prepared by Professor Jegan Krishnan. Correspondence should be addressed to him at the Flinders Medical Centre, Bedford Park 5047, Australia.