经皮椎体成形术Mimics软件骨水泥弥散率评估的意义
作者:
作者单位:

徐州医科大学第二附属医院,江苏徐州 221006

作者简介:

李华,主任医师,研究方向:脊柱外科,(电子信箱)xuzhoulih@126.com

中图分类号:

R687

基金项目:

徐州市重点研发计划项目(编号:KC22204)


Significance of Mimics software calculated bone cement distribution rate for evaluation of percutaneous vertebroplasty
Author:
Affiliation:

The Second Affiliated Hospital, Xuzhou Medical University, Xuzhou 221006 , China

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    摘要:

    [目的]利用 Mimics 软件计算经皮椎体成形术(percutaneous vertebroplasty, PVP)后骨水泥弥散率,探讨其对经皮椎体成形术的意义。[方法]回顾性分析 2021 年 3 月—2022 年 12 月在本院行 PVP 治疗患者的临床资料,依据骨水泥弥散率随机选取高弥散率组(弥散率≥20%)、中弥散率组(10%<弥散率<20 %)、低弥散率组(弥散率≤10%)各 40 例患者,比较三组围手术期、随访及影像资料,计算弥散率与末次随访临床和影像资料的相关性。[结果]高弥散率组的骨水泥注入量显著大于中弥散率组和低弥散率组 [(7.5±1.1) ml vs (6.6±1.3) ml vs (6.4±1.2) ml , P<0.001],高弥散率组骨水泥弥散率显著大于中弥散率和低弥散率组 [(22.4±1.5)% vs (14.8±2.4)% vs (8.2±1.0)% , P<0.001] 。高弥散率组二次骨折率显著低于中弥散率组和低弥散组 [例 (%), 2 (5.0) vs 5 (12.5) vs 10 (25.0), P<0.001] 。三组患者术后 VAS 及 ODI 评分均显著减少(P<0.05),高弥散率组术后 1 年 VAS 评分显著小于中弥散率组和低弥散率组 [(1.7±0.7) vs (2.2±0.8) vs (2.3±0.5), P<0.001] 。影像方面,三组患者术后椎体前缘高度、椎体前缘高度比、局部后凸角均显著改善 (P<0.05)。术后 1 年时,高弥散率组及中弥散率组椎体前缘高度显著大于低弥散率组 [(23.1±2.1) mm vs (22.2±3.1) mm vs (21.6±1.5) mm, P<0.001],高弥散率组及中弥散率组椎体前缘高度比均显著大于低弥散率组 [(82.6±7.9)% vs (80.7± 4.9)% vs (77.0±5.0)%, P<0.001]。两两相关分析表明,弥散率与 VAS 评分呈显著负相关(r=-0.333, P<0.001),与椎体前缘高度比 (r=0.345, P<0.001)和椎体前缘高度(r=0.285, P=0.002)呈显著正相关。[结论]本研究中 Mimics 软件计算的弥散率越高,患者的临床与影像结果就越优,术后二次骨折率越低。

    Abstract:

    [Objective] To evaluate the significance of Mimics software calculated bone cement distribution rate (DR) for evaluation of percutaneous vertebroplasty (PVP). [Methods] A retrospective study was conducted on the patients who received PVP in our hospital from March 2021 to December 2022. According to the bone cement DR measured on the Mimics software, 40 patients with high distribution rate (HDR) (DR≥20%), 40 with medium diffusion rate (MDR) (10%[Results] The HDR cohort proved significantly greater than the MDR and LDR cohorts in terms of bone cement injection volume [(7.5±1.1) ml vs (6.6±1.3) ml vs (6.4±1.2) ml, P<0.001], and the bone cement diffusion [(22.4±1.5)% vs (14.8±2.4)% vs (8.2±1.0)%, P<0.001]. However, the HDR cohort was significantly less than the MDR and LDR cohorts in the secondary fracture occurrence [case (%), 2 (5.0) vs 5 (12.5) vs 10 (25.0), P<0.001]. The VAS and ODI scores significantly decreased with time in all three groups (P<0.05), and the VAS score in the HDR group was significantly lower than those in the MDR group and LDR group at 1 year after surgery [(1.7±0.7) vs (2.2±0.8) vs (2.3±0.5), P<0.001]. As for imaging, the vertebral anterior margin height, vertebral anterior margin height ratio, and local kyphotic angle significantly improved in all three groups postoperatively compared with those preoperatively (P<0.05). At 1 year after surgery, the vertebral anterior margin he、‘ight in HDR and MDR groups was significantly highe r thanthat in LDR group [(23.1±2.1) mm vs (22.2±3.1) mm vs (21.6±1.5) mm, P<0.001], while the vertebral anterior margin height ratio in th e HDRand MDR groups was significantly higher than that in the LDR group [(82.6±7.9)% vs (80.7±4.9)% vs (77.0±5.0)%, P<0.001]. As re sults ofpaired correlation analysis, the DR was a significant negative correlated with VAS score (r=-0.333, P<0.001), while positively correlated with the height of the anterior vertebral margin (r=0.345, P<0.001) and vertebral anterior margin height (r=0.285, P=0.002). [Conclusion] In this study, the higher the distribution rate calculated by Mimics software, the better the clinical and imaging results of patients, and the lower the postoperative secondary fracture rate.

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李华,王云清,乔梁,等. 经皮椎体成形术Mimics软件骨水泥弥散率评估的意义[J]. 中国矫形外科杂志, 2024, 32 (15): 1359-1365. DOI:10.20184/j. cnki. Issn1005-8478.100492.
LI Hua, WANG Yun-qing, QIAO Liang, et al. Significance of Mimics software calculated bone cement distribution rate for evaluation of percutaneous vertebroplasty[J]. Orthopedic Journal of China , 2024, 32 (15): 1359-1365. DOI:10.20184/j. cnki. Issn1005-8478.100492.

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  • 收稿日期:July 12,2023
  • 最后修改日期:March 04,2024
  • 在线发布日期: August 06,2024