Abstract
Objective. To assess the risk factors of bone cement leakage into the spinal canal. Material and Methods . Results of 150 vertebroplasties were analyzed: out of them 56 procedures were performed through bipedicular and 94 - through unipedicular approach. The morphology of vertebrobasilar system was assessed by preoperative CT scans. After surgery the CT study was repeated to assess a degree of intracanal cement leakage and a needle-tip position relative to the midline. The correlation between cement leakage rate and mentioned predictors was estimated using logistic regression analysis. Results . Surgical technique (unipedicular or bipedicular approach) did not influence the rate of intracanal cement leakage. The distance from the midline to the needle-tip and the type of vertebrobasilar system were found to be significant predictive factors. Conclusion . The needle-tip position close to the midline and magistral type of vertebrobasilar system are risk factors of intracanal cement leakage during vertebroplasty, while the applied technique has no significant impact on complication rate.
Highlights
The needle-tip position close to the midline and magistral type of vertebrobasilar system are risk factors of intracanal cement leakage during vertebroplasty, while the applied technique has no significant impact on complication rate
При магистральном строении венобазилярной системы не следует пытаться тотально заполнить тело позвонка цементом, а близкое расположение иглы к средней линии дополнительно увеличит риск осложнения
Summary
Risk factors of intracanal cement leakage during percutaneous vertebroplasty A.E. Bokov, S.G. Mlyavykh, A.Ya. Aleynik, M.V. Rasteryaeva, M.A. Kutlaeva The needle-tip position close to the midline and magistral type of vertebrobasilar system are risk factors of intracanal cement leakage during vertebroplasty, while the applied technique has no significant impact on complication rate. Факторы риска дренирования цемента в позвоночный канал при пункционной вертебропластике // Хирургия позвоночника.
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