Fan Jingyi,Zhang Xuejun,Li Chenxin,et al.Application and effect of the S2AI screws and iliac screw in lumbosacral surgery in children[J].Journal of Clinical Pediatric Surgery,,21():463-467.[doi:10.3760/cma.j.cn101785-202012005-012]
Application and effect of the S2AI screws and iliac screw in lumbosacral surgery in children
- Keywords:
- Lumbosacral Region/SU; Ilium/SU; Internal Fixators; Child
- Abstract:
- Objective To summarize the experience in applying the Second Sacral alar-iliac (S2AI) screw and the Iliac screw. Methods Retrospective analysis was conducted for 38 lumbosacal malformation ca- ses treated by S2AI screw (n=21) and iliac screw (n=17) techniques from July 2015 to June 2020. Data of patients’ age, sex, follow-up time, number of revision, blood loss, average time of screwing, wound expansion, wound infection, screw loosening, screw breakage, connection devices application, screwing success rate, screw diameter, pain level, healing time, postoperative length of stay, spontaneous thoracic curve correction, lumbar curve correction, sacrum pelvic angle correction was recorded. Results There were 5 cases (23. 8%) and 12 cases (70. 5%) of wound expansion in the S2AI group and ailiac screw group respectively with a statistical sig- nificant difference (χ2=8. 315, P=0. 004). There were 2 cases (9. 5%) and 8 cases (40. 1%) had internal fixation loosening in the S2AI group and ailiac screw group respectively with a statistical significant difference (χ2=5. 028, P=0. 025). There were 1 case (4. 7%) and 14 cases (82. 3%) applying connection devices in the S2AI group and ailiac screw group respectively with a statistical significant difference (χ2=3. 673, P < 0. 01). Conclusion It is difficult to treat congenital spinal deformity in children. Compared with iliac screw technique, S2AI screw technique has the advantages of smaller stripping surface, lower loosening rate of internal fixation and less use of additional connection devices. However, long-term study and practice are needed to mas- ter its technical essentials and standard. Long-term follow-up is also required to evaluate postoperative sacroiliac joint pain.
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Memo
收稿日期:2020-12-3。
基金项目:国家重点研发计划（2016YFC1000806）
通讯作者:张学军,Email:zhang-x-j04@163.com