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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (02): 178-184. doi: 10.3877/ cma.j.issn.1674-134X.2025.02.007

• CLINICAL RESEARCHES • Previous Articles    

Effects of different administration routes of tranexamic acid during primary total knee arthroplasty

Yuhao Yan1, Xuanze Liu1, Lishuai Bao1, Mingliang He1, Guoqing Xiao1,()   

  1. 1. Department of Orthopedics, Nuclear Corporation 416 Hospital, Chengdu 610051, China
  • Received:2024-09-25 Online:2025-04-01 Published:2025-06-17
  • Contact: Guoqing Xiao

Abstract:

Objective

To observe the clinical application effect on patients with primary total knee arthroplasty (tKA) receiving different administration routes of tranexamic acid combined with cold compress.

Methods

A total of 148 patients with TKA in Chengdu Nuclear Industry 416 Hospital were enrolled from December 2021 to December 2023. The patients were all adult patients who were treated with primary TKA,and there was no contraindication of tranexamic acid nor important organ lesions or diseases. The patients were divided into four groups according to the stratified randomization method by random number table method,including intravenous group (IV group), intra-articular group (IA group), combined group and oral group, 37 cases in each group. The coagulation indicators, inflammatory indicators, total blood loss volume and drainage volume, pain degree, joint range of motion (ROM) and incidence rates of complications were observed among the four groups after medication.One-way analysis of variance was used for measurement data among multiple groups, and chi square or Fisher exact test was used for enumeration data.

Results

The differences were statistically significant in neutrophil to lymphocyte ratio (nLR), monocyte to lymphocyte ratio (MLR), fibrinogen(FIB) and D-dimer (D-D) among the four groups (F=14.580, 19.180, 4.391, 7.974, all P<0.05). FIB (q=6.808,6.407, 8.810), D-D (q=8.055, 7.048, 10.070), NLR (q=3.963, 3.699, 4.668) and MLR (q=4.978, 4.418,6.637) were significantly lower in the combined group than those in the IV group, IA group and oral group(all P<0.05). The differences were statistically significantin total blood loss volume and drainage volume among the four groups (F=5.27, 4.959, both P<0.05). Total blood loss volume (q=4.262, 4.060, 5.157) and drainage volume (q=3.095, 4.135, 5.012) were significantly lower in the combined group than those in the IV group, IA group and oral group (all P<0.05). The visual analogue scale scores at three and seven days after surgery and knee ROM at three days after surgery revealed no statistically significant differences among the four groups (all P>0.05), but there was a statistically significant difference in knee ROM at seven days after surgery (F=6.083,P<0.05). The ROM in the combined group at seven days after surgery was significantly higher than that in oral group (q=6.030, P<0.05). The incidence rates of complications exhibited no statistically significant differences among the four groups (P>0.05).

Conclusions

Different administration routes combined with cold compress for TKA patients can help to improve coagulation function, inflammatory response and perioperative blood loss.Intravenous medication combined with intra-articular medication may have certain advantages in improving inflammation, inhibiting FIB and D-D levels and improving knee ROM.

Key words: Arthroplasty, replacement, knee, Tranexamic acid, Infusions, intravenous, Injections, intra-articular

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