聚左旋乳酸可吸收内固定系统在颌骨骨折中应用

doi:10.3760/cma.j.issn.1007-1245.2022.08.019

摘要/Abstract

摘要： 目的　观察聚左旋乳酸可吸收内固定系统在颌骨骨折中的应用效果。方法　采用前瞻性研究，选取2020年1月至2021年7月于粤北人民医院接受治疗的120例颌骨骨折患者，采用随机数字表法分为两组，各60例。对照组男23例、女37例，年龄（30.25±2.37）岁，给予微型钛板及螺钉固定；观察组男24岁、女36例，年龄（30.49±2.28）岁，给予聚左旋乳酸可吸收内固定系统治疗。比较两组治疗前后咬合力、咀嚼效率、固定力及骨折愈合时间、手术时间，对比两组并发症发生率及治疗效果。计量资料组间比较采用独立样本t检验，组内采用配对t检验，计数资料采用χ²检验。结果　治疗后，观察组咬合力、咀嚼效率、固定力分别为（160.92±4.18）lbs、（0.75±0.22）、（4.58±0.32）N，均高于对照组（100.28±4.46）lbs、（0.61±0.17）、（3.58±0.29）N，差异均有统计学意义（均P<0.05）。两组颌骨骨折患者手术时间比较，差异无统计学意义（P>0.05）；观察组骨折愈合时间为（1.28±0.27）个月，短于对照组（3.20±0.46）个月，差异有统计学意义（P<0.05）。观察组并发症发生率为10.00%（6/60），低于对照组31.67%（19/60），差异有统计学意义（P<0.05）。观察组治疗有效率为93.33%（56/60），高于对照组70.00%（42/60），差异有统计学意义（P<0.05）。结论　聚左旋乳酸可吸收内固定系统可显著改善颌骨骨折患者咬合关系，固定及复位的稳定性较高，可显著减少骨折愈合时间，并避免了金属残留引发的并发症，效果较好。

关键词: 聚左旋乳酸可吸收内固定系统, 颌骨骨折, 咬合力, 咀嚼效能

Abstract: Objective　To observe the application effect of poly-L-lactic acid absorbable internal fixation system in jaw fractures. Methods　A prospective study was used to select 120 patients with jaw fractures who received treatment in Yuebei People's Hospital from January 2020 to July 2021. They were divided into an observation group and a control group by the random number table method. The control group included 23 males and 37 females, aged (30.25±2.37) years; the observation group included 24 males and 36 females, aged (30.49±2.28) years. The control group was given micro titanium plate and screw fixation, while the observation group was given poly-L-lactic acid absorbable internal fixation system treatment. The occlusal forces, chewing efficiencies, and fixation forces before and after treatment, fracture healing time, operation time, incidence of complications, and treatment effect were compared between the two groups. Independent sample t test was used for inter-group comparison of the measurement data, paired t test was used for intra-group comparison of the measurement data, and χ² test was used for the count data. Results　After treatment, the occlusal force, chewing efficiency, and fixation force in the observation group were (160.92±4.18) lbs, (0.75±0.22), and (4.58±0.32) N, respectively, which were higher than those in the control group [(100.28±4.46) lbs, (0.61±0.17), and (3.58±0.29) N], with statistically significant differences (all P<0.05). There was no statistically significant difference in the operation time between the two groups (P>0.05); the fracture healing time of the observation group was (1.28±0.27) months, which was shorter than that of the control group [(3.20±0.46) months], with a statistically significant difference (P<0.05). The incidence of complications in the observation group was 10.00% (6/60), which was lower than that in the control group [31.67% (19/60)], with a statistically significant difference (P<0.05). The effective rate of treatment in the observation group was 93.33% (56/60), which was higher than that in the control group [70.00% (42/60)], with a statistically significant difference (P<0.05). Conclusion　The poly-L-lactic acid absorbable internal fixation system can significantly improve the occlusal relationship in patients with jaw fractures, significantly reduce the fracture healing time, and avoid the complications caused by metal residues, with high stability of fixation and reduction and good effect.

Key words: Poly-L-lactic acid absorbable internal fixation system, Jaw fractures, Occlusal force, Chewing performance

肖斌, 黄子成, 李建民, 杨一鸣, 邝融. 聚左旋乳酸可吸收内固定系统在颌骨骨折中应用[J]. 国际医药卫生导报, 2022, 28(8): 1118-1122.

Xiao Bin, Huang Zicheng, Li Jianmin, Yang Yiming, Kuang Rong. Application effect of poly-L-lactic acid absorbable internal fixation system in jaw fractures[J]. International Medicine and Health Guidance News, 2022, 28(8): 1118-1122.

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