Abstract
Introduction
Dorsal stabilisation has represented the standard procedure for the treatment of burst fractures of the thoracolumbar spine for a long time, but in the last few years the combined dorsoventral stabilisation has gained in significance due to its higher mechanical stability. However, there are no data yet available indicating whether the patients benefit from the combined operation with regard to their postoperative quality of life and what the advantages are in comparison with the dorsal procedures. Therefore, the question was researched in the framework of a matched-pairs analysis of patients suffering from an unstable fracture of the thoracolumbar transition.
Materials and methods
From a consecutive series of patients treated in our clinic between 1995 and 2000, 10 patients with combined and 10 patients with a purely dorsal stabilisation were selected and included in the study. Their quality of life was summed up in retrospect with the SF-36 questionnaire. The X-rays were analysed, and the Cobb angle as well as the sagittal index were calculated. Only patients with burst fractures of the thoracolumbar transition without accompanying co-morbidity and neurological deficits were included in the study. Both of the treated groups were matched with regard to sex, age and radiological patterns of injury.
Results
Patients who had undergone only a dorsal stabilisation showed a significant loss of correction according to the sagittal index at the time of the examination (0.88±0.02 postoperative vs 0.77±0.03 at 4 years postoperatively, p=0.01). In the group of patients treated with the combined therapy, there was no statistically relevant loss of correction with regard to the sagittal vertebral profile. The SF-36 questionnaire showed a reduced quality of life in both groups compared with an age-referenced norm population, especially concerning the parameters of bodily health. No statistically relevant difference was observed between the two groups. Further, there was no statistically relevant association between the parameters of the SF-36 and the clinical and radiological data. After performing several regression analyses it could be shown that the patient’s mental health is a strong predictor of the postoperative vitality (r=0.803, p<0.01). However, none of the remaining parameters was able to predict the postoperative quality of life.
Conclusion
The patients in this study showed a reduced quality of life, independent of the method of surgical treatment. Although better radiological results could be seen for the combined procedure, regarding the postoperative quality of life no advantage could be proved compared with the dorsally stabilized patients. Furthermore, there was no relation between the radiological results and the quality of life parameters. Therefore, it can be assumed that the injury itself seems to be the main cause of the decreased quality of life after a burst fracture of the thoracolumbar transition.
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Briem, D., Lehmann, W., Ruecker, A.H. et al. Factors influencing the quality of life after burst fractures of the thoracolumbar transition. Arch Orthop Trauma Surg 124, 461–468 (2004). https://doi.org/10.1007/s00402-004-0710-5
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DOI: https://doi.org/10.1007/s00402-004-0710-5