Clinical study on the influence of source of infection on the pathophysiology and prognosis of sepsis
Objective To investigate the similarities and differences in the pathophysiological responses caused by different infection sites in sepsis patients and to evaluate the clinical significance of the source of infection on the prognosis of patients.Methods A total of 159 patients with a clear source of infection in Foshan Hospital of Traditional Chinese Medicine from January 1,2021 to January 1,2023 were selected and divided into survival group(n=98)and death group(n=61)based on their survival status within 28 days.The independent risk factors affecting the prognosis of sepsis patients were determined by multivariate Logistic regression analysis.The 28-day mortality rates of different infection source groups were compared,and the distribution differences of serum biomarkers in different infection source groups were explored by analysis of variance.Results Among the 159 patients,the frequency of infection source distribution was as follows in descending order:Respiratory tract(62.89％),urinary tract(13.84％),abdomen(13.21％),skin and soft tissue(10.06％).Multivariate Logistic regression analysis showed that age,procalcitonin,sepsis-related organ failure assessment score,and respiratory tract infection source were significant risk factors affecting the 28-day mortality of sepsis patients(P＜0.05).Different infection source groups showed different degrees of differences in inflammation,coagulation,and organ dysfunction,with heterogeneity.Conclusion The differences in the source of infection lead to significant differences in the pathophysiological features(inflammatory response,coagulation activation,and organ dysfunction)and short-term prognosis(28-day mortality)of sepsis.
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