Encroachment upon the spinal canal, separation of the pedicles, associated fractures of the laminae are assumed to be related to dural lacerations consequent to burst fractures of the thoracolumbar spine. Owing to the possible occurrence of early or delayed complications of meningeal discontinuations, the predictive value of these signs has been analyzed in a consecutive series of 50 patients, who were submitted to surgery. Dural tears were found to occur at a rate of 60%, without any statistically significant relation with any of the examined signs. The results were not consistent with the thesis that lacerations of the dura can be predicted on the basis of radiological signs.
This report concerns 23 patients, the majority of whom are suffering from low back and chest pain caused by chest, urological or gynaecological cancer. These patients were treated with subarachnoid buprenorphine, administered in a single bolus or by slow infusion from micropumps, at a daily dose adapted to patients need (0.06-0.15 mg). The painful symptomatology was successfully controlled in all the cases treated, allowing the patients to live a virtually normal life. In no cases was respiratory depression or tolerance observed.
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