• 1. Department of Pharmacy, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangshu, P. R. China;
  • 2. Department of Vascular Surgery, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214023, Jiangshu, P. R. China;
MA Bingbing, Email: jsmabingbing@163.com
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Objective  To analyze the clinical characteristics and risk factors of noninfectious fever after endovascular repair of aortic dilatation diseases, and explore the management strategy. Methods  We reviewed 468 patients who received endovascular aortic repair from January 2021 to October 2023. The patients who were selected were classified into a febrile group and an afebrile group according the fever after operation. The fever data were analyzed, and the demographics, operative data were researched to sieve out the correlation factors. Logistic regression analysis was conducted for the risk factors of postoperative fever if the P value≤0.05 in the univariate analysis, and receiver operating characteristic curve (ROC) was used to analyze the predictive indexes of postoperative noninfectious fever. Results 75.08% (229/305) patients had noninfectious fever after aortic repair and 98.25% of them had fever within 2 days. There were 229 patients in the febrile group, mean age 65 (53.0,73.0) years (83.4% males , and 76 patients in the afebrile group, mean age 71(65.0,76.7) years(84.2% males). Univariate analysis showed that the number of patients with coronary heart disease, using statins before operation and aortic aneurysm in the febrile group were significantly lower than those in the afebrile group, and patients were younger in the febrile group. The logistic regression showed that age, surgical site, type of disease, preoperative hyperthermia, type of stent were positively correlated with noninfectious fever, while statin use was negatively associated with noninfectious fever. And age, surgical site, preoperative hyperthermia and stent type were analyzed by means of ROC curve (P<0.01). Conclusion  Noninfectious fever is very common after aortic repair. The relationship between fever and infection should be comprehensively judged according to the risk factors of noninfectious fever and the disease status to promote rational use of antibiotics.