|
|
2022, Vol. 26 ›› Issue (3): 414-418Stability of balloon dilation with injectable calcium sulfate cement for tibial plateau fracturesChen Jinmin1, Chen Suisheng1, Ding Jing2, Xia Baoquan1, Luo Xiaojia1, Lu Chenghai1
Abstract: BACKGROUND: A metaphyseal cavity will be left after reduction of the tibial plateau collapse fractures. It is an urgent problem to stuff the cavity effectively and maintain satisfied support. OBJECTIVE: To compare the stability of different minimally invasive treatment of Schatzker type III tibial plateau fracture. METHODS: Totally 32 proximal tibia specimens were harvested and were randomly divided into four groups. Specimens were left intact as control group. The remaining three groups uniformly made fresh cadaver models of Schatzker type III tibial plateau fractures. Standard group received conventional treatment of percutaneous reduction by leverage and fixed with two cancellous screws. Bone cement group was reduced with percutaneous balloon distension and strengthened by injectable calcium sulfate cement. Bone cement screw group was reduced with percutaneous balloon distension and strengthened with injectable calcium sulfate cement and two cancellous screws. Stiffness and displacement with 350 N loading, stiffness and loading with 3 mm displacement, and displacement with maximum loading were compared. The position of fractures, bone cement and screws were observed. RESULTS AND CONCLUSION: (1) Under 350 N, the displacement comparison among the groups: control group < bone cement screw group < bone cement group < standard group, the difference was significant (P < 0.05). Comparison of stiffness among groups: control group > bone cement screw group > bone cement group > standard group, the difference was significant (P < 0.05). (2) With 3 mm displacement, load comparison among groups: bone cement screw group > control group > bone cement group > standard group, the difference was significant (P < 0.05). Comparison of stiffness among groups: bone cement screw group > control group > bone cement group > standard group, the difference was significant (P < 0.05). (3) It is concluded that calcium sulfate cement could provide good filling capacity in tibial plateau fractures. Combined with cancellous screws, its support and stability could be improved. There is clinical value for percutaneous balloon distension with calcium sulfate cement in minimally invasive treatment of depressed tibial plateau fracture. Key words:tibial plateau fracture, collapse, autogenous bone transplantation, lag screw, balloon dilatation, calcium sulfate, biomechanics |