Toksvig-Larsen S, Johnsson R, Strömqvist B
Department of Orthopedics, University Hospital in Lund, Sweden.
Eur Spine J. 1995;4(1):15-7. doi: 10.1007/BF00298412.
For metastatic disease of the spine, anterior operations on the vertebral bodies often include methylmethacrylate cementation. The cement curing process may produce high temperatures in the surroundings, as demonstrated in joint replacement surgery, and there is a risk of thermal injury to the spinal nerves. In cadavers, we studied the heat arising during curing of cement on the dural sac, and the temperature of the cement surface was measured when the vertebral body was reconstructed using acrylic cement in the same way as in tumor surgery. The temperature increase on the surface of the dural sac during polymerization was between 4 degrees and 12 degrees C, depending on the amount of protection. Only a moderate temperature elevation was measured on the surface of the dural sac, provided that the posterior cortex of the vertebra was retained together with 0.5 cm of the spongious bone or a silicone membrane.
对于脊柱转移性疾病，椎体前路手术通常包括甲基丙烯酸甲酯骨水泥固定。正如关节置换手术中所显示的那样，骨水泥固化过程可能会在周围产生高温，存在对脊神经造成热损伤的风险。在尸体上，我们研究了骨水泥在硬脊膜囊上固化过程中产生的热量，并且当按照肿瘤手术相同的方式使用丙烯酸骨水泥重建椎体时，测量了骨水泥表面的温度。聚合过程中硬脊膜囊表面的温度升高在4摄氏度至12摄氏度之间，这取决于保护的程度。如果保留椎体的后皮质以及0.5厘米的松质骨或硅膜，则在硬脊膜囊表面仅测量到适度的温度升高。
