YU Hong 1 , DONG Zhenlin 2 , SHI Zhengliang 1 , LI Li 1 , DONG Kaiyan 1 , LIU Haolong 1 , LI Yanlin 1
  • 1. Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China;
  • 2. Department of Imaging, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China;
LI Yanlin, Email: 852387873@qq.com
Anterior cruciate ligament reconstruction; multimodal drug cocktail; local injection; early effectiveness; cartilage
10.7507/1002-1892.202402054
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Objective  To explore the early effectiveness and influence on cartilage of local injection of multimodal drug cocktail (MDC) during anterior cruciate ligament reconstruction (ACLR). Methods  Between February 2022 and August 2023, patients undergone arthroscopic ACLR using autologous hamstring tendons were selected as the study subjects. Among them, 90 patients met the selection criteria and were randomly divided into 3 groups (n=30) according to the different injection drugs after ligament reconstruction. There was no significant difference in baseline data such as gender, age, body mass index, surgical side, disease duration, preoperative thigh circumference, and preoperative levels of tumor necrosis factor α (TNF-α), interleukin 6 (IL-6), IL-1, matrix metalloproteinase 3 (MMP-3), MMP-13, and aggrecan (ACAN) in synovial fluid between groups (P>0.05). After the ligament reconstruction during operation, corresponding MDC (consisting of ropivacaine, tranexamic acid, and betamethasone in group A, and ropivacaine, betamethasone, and saline in group B) or saline (group C) were injected into the joint and tendon site, respectively. The length of hospital stay, postoperative tramadol injection volume, incidence of complications, degree of knee joint swelling and range of motion, visual analogue scale (VAS) score, International Knee Documentation Committee (IKDC) score, Lyshlom score, and Hospital for Special Surgery (HSS) score were recorded and compared between groups. The T2* values in different cartilage regions were detected by MRI examination and the levels of TNF-α, IL-6, IL-1, MMP-3, MMP-13, and ACAN in synovial fluid were detected by ELISA method. Results  The patients in group A, B, and C were followed up (12.53±3.24), (13.14±2.87), and (12.82±3.32) months, respectively. All incisions healed by first intention. Compared with group C, group A and group B had shorter length of hospital stay, less tramadol injection volume, and lower incidence of complications, showing significant differences (P<0.05); there was no significant difference between group A and group B (P>0.05). The degree of knee swelling in group A was significantly less than that in group B and group C (P<0.05), but there was no significant difference between group B and group C (P>0.05). At 3, 6, 12, 24, and 48 hours after operation, VAS scores of group A and group B were significantly lower than those of group C (P<0.05); at 72 hours after operation, there was no significant difference among the three groups (P>0.05). At 3 days, 14 days, and 1 month after operation, the range of motion of knee joint in group A were significantly better than those in group C (P<0.05), and there was no significant difference between the other groups (P>0.05). At 1 month after operation, the IKDC score of group A and group B was significantly higher than that of group C (P<0.05); there was no significant difference among the three groups at other time points (P>0.05). There was no significant difference in Lyshlom score and HSS score among the three groups at each time point (P>0.05). At 14 days after operation, the levels of IL-1 and IL-6 in the synovial fluid in groups A and B were significantly lower than those in group C (P<0.05). There was no significant difference in the levels of TNF-α, MMP-3, MMP-13, and ACAN between groups A and B (P>0.05). At 1 month after operation, there was no significant difference in the above indicators among the three groups (P>0.05). At 3, 6, and 12 months after operation, there was no significant difference in the T2* values of different cartilage regions among the three groups (P>0.05). Conclusion Injecting MDC (ropivacaine, tranexamic acid, betamethasone) into the joint and tendon site during ACLR can achieve good early effectiveness without significant impact on cartilage.

Citation： YU Hong, DONG Zhenlin, SHI Zhengliang, LI Li, DONG Kaiyan, LIU Haolong, LI Yanlin. Early effectiveness of local injection of multimodal drug cocktail during anterior cruciate ligament reconstruction and its influence on cartilage. Chinese Journal of Reparative and Reconstructive Surgery, 2024, 38(5): 562-569. doi: 10.7507/1002-1892.202402054 Copy

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