| Objective To explore the correlation of balloon pressure in the treatment of osteoporotic vertebral compression fractures by percutaneous kyphoplasty (PKP). Methods From January 2008 to June 2017, 209 patients underwent surgery for osteoporotic vertebral compression fracture, including a total of 269 vertebral bodies. Among them, 177 were female and 32 were male. The average age was 75±8.19 years. According to MRI signal changes, there were 85 cases in the irregular shape group (group A, 67 patients), 56 cases in the ribbon group (group B, 42 patients), 18 cases in the cleft sign group (group C, 18 patients) and 110 cases in the diffuse group (group D, 82 patients). Intraoperative balloon pressure and visual analogue score (VAS) were used to compare the differences between the groups. Results There were 11 cases of intraoperative balloon rupture, including 5 cases in group A, 3 cases in group B, 1 case in group C, and 2 cases in group D. There was no statistically significant difference between the groups (P>0.05). There were statistically significant differences in balloon pressure between group D and groups A, B and C (P<0.05), and the balloon pressure in group D was the lowest. There was no significant pairwise difference in balloon pressure between groups A, B and C (P>0.05). There were statistically significant differences in VAS pain index between pre- and post-operation in each group (P<0.001), but there were no statistically significant differences between the groups pre- and post-operation (P>0.05). Conclusion PKP in the treatment of OVCF could obtain satisfactory efficacy, and the balloon pressure is minimal during the operation for diffuse fractures. Intraoperative balloon pressure should be regulated according to MRI fracture classification to avoid balloon rupture. |