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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (01): 34-38. doi: 10.3877/ cma.j.issn.1674-134X.2025.01.006

• CLINICAL RESEARCHES • Previous Articles    

Different “cocktail” protocol on early pain control after total knee arthroplasty

Tiancheng Zhang1, Lijie Wang1, Pengyu Gao1, Wangxing Liu1,2,3, Wei Jiang1,2,3,()   

  1. 1. The Second Clinical Medical College of Jinan University,ShenZhen 5108020, China
    2. Bone and Joint Department of Shenzhen People’s Hospital, ShenZhen 5108020,China
    3. The First Affiliated Hospital of Nanfang University of Science and Technology, ShenZhen 5108020, China
  • Received:2024-07-29 Online:2025-02-01 Published:2025-04-25
  • Contact: Wei Jiang

Abstract:

Objective

To explore the effect of different protocol “cocktail” on early pain control after total knee arthroplasty.

Methods

A total of 114 patients undergoing total knee arthroplasty for osteoarthritis in Shenzhen People's Hospital from January 2023 to June 2024 were enrolled, and the patients with bilateral concurrent replacement were excluded.The patients were divided into four groups according to the intraoperative cocktail formula and administration routes: with morphine + intra-articular perfusion group(morphine perfusion group); with morphine + periarticular injection group (morphine injection group); without morphine + intra-articular perfusion group (perfusion group); without morphine + peri-articular injection group(injection group).Analysis of variance (ANOVA) was used to analyze the intraoperative “cocktail” operation time,visual analog scale (VAS) at 24 h and 72 h after surgery, knee joint range of motion (ROM) at 24 h and 72 h after surgery, the proportion of additional analgesic drugs at 72 h after surgery and the occurrence of adverse reactions at 72 h after surgery were analyzed by chi square test.

Results

There was no statistically significant difference inVAS score at 24 h and 72 h after surgery (F=0.363, 0.474), ROM of knee joint at 24 h and 72 h after surgery (F=0.719, 1.606), and the proportion of additional analgesics administered within 72 h (χ2=0.259)(all P>0.05) However, intra-articular perfusion “cocktail” took significantly less operative time (9.5±1.8) s than periarticular injection (41.2±4.9) s (t=-47.60, P<0.01).The overall incidence of adverse reactions within 72 h after surgery was significantly lower in the two groups without morphine than in the two groups with morphine(χ2=8.961, P=0.027), The main manifestations were nausea and vomiting (χ2=7.917, P=0.046).There was no statistically significant difference in incidence of urinary storage, deep vein thrombosis (DVT) or peripheral nerve injury (P>0.05).

Conclusion

Intra-articular perfusion without morphine "cocktail", which is not only effective for early pain control after TKA, but also has shorter intraoperative operation time and lower incidence of early postoperative complications, is worthy of clinical promotion.

Key words: Perfusion, Morphine, Arthroplasty, relacement, knee

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