The Journal of Practical Medicine ›› 2023, Vol. 39 ›› Issue (17): 2215-2220.doi: 10.3969/j.issn.1006-5725.2023.17.011

• Clinical Research • Previous Articles     Next Articles

Correlation of tacrolimus concentration and metabolic rate with prognosis in the early stage after heart transplantation

Lin GUO1,Zhenzhen WANG1,Xiangli ZHANG2,Yunfei LIU1,Mian ZHANG1,Hua ZHENG1,Chang′an. WANG3()   

  1. *.Department of Critical Care Medicine,Zhengzhou Seventh People's Hospital,Zhengzhou 450016,China
  • Received:2023-02-13 Online:2023-09-10 Published:2023-09-27
  • Contact: Chang′an. WANG E-mail:wangchangan1964@163.com

Abstract:

Objective To evaluate the correlation of tacrolimus trough concentration, metabolic rate and their variability with postoperative infection, rejection and death in the early stage of heart transplantation. Methods The information of recipients who underwent heart transplantation in our hospitalwas reviewed, and the tacrolimus trough concentration (C0) monitoring value and tacrolimus dose were collected within 30 days after surgery. The mean C0 value, metabolic rate (C0/D) and their variability were calculated. The postoperative infection, rejection and death of recipients were followed up, and the correlation between early exposure of tacrolimus and these prognosis was analyzed. Results A total of 172 heart transplant recipients were finally included as research subjects. The mean and peak value of tacrolimus C0 had no statistical correlation with prognosis (all P > 0.05). The C0/D values of recipients with overall infection, hospitalized infection and rehospitalization due to infection were significantly higher than those without infection, and the differences were statistically significant (2.044, 2.432 and 2.816, P = 0.007、0.044 and 0.017, respectively). In terms of rejection and death, there was no statistical difference in C0/D value (P > 0.05). The subjects were divided into concentration < 10 ng/mL group (n = 132), 10 ~ 15 ng/mL group (n = 34) and > 15 ng/mL group (n = 6), there was no significant difference in postoperative infection, rejection and death (all P > 0.05). The SD values of C0/D in recipients with hospitalized infection, infection rehospitalization or overall infection were significantly higher than those without infection (Z = 2.044, 2.432 and 2.816, P = 0.041, 0.015 and 0.005, respectively). The SD value of C0/D in death recipients was also higher than that in survival recipients (Z = 2.255, P = 0.024). Conclusion Tacrolimus C0 is not significantly associated with rejection, overall infection, and death; tacrolimus slow metabolizers are more prone to postoperative infection than fast metabolizers; the variability of tacrolimus metabolic rate is related to the incidence of postoperative infection, and the higher variability of metabolic rate of tacrolimus is a risk factor for poor prognosis after heart transplantation.

Key words: heart transplantation, tacrolimus, trough concentration, metabolic rate, variability

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