• 1. Department of Respiratory and Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu 210000, P. R. China;
  • 2. Department of Respiratory and Critical Care Medicine, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu 210000, China;
SU Xin, Email: suxinjs@163.com
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Objective To investigate the application value of fibrinogen and other serological indicators in the management of patients with bronchiectasis. Methods  Basic information, serological indicators such as blood routine items, biochemical, blood coagulation, and inflammation index of 121 patients with bronchiectasis in Nanjing Jinling Hospital and Nanjing Drum Tower Hospital from July 2021 to June 2023 were collected. The value of fibrinogen and other serological indicators in identifying patients with acute exacerbation and severely impaired lung function (FEV1%pred<60%) was evaluated. Results  The levels of leukocytes, neutrophils, platelets, C-reactive protein and fibrinogen were higher in the patients with acute exacerbation and in the FEV1%pred<60% group, negatively correlated with FEV1%pred. While the level of albumin was higher in the patients of the stable group and FEV1%pred≥60% group, and positively correlated with FEV1%pred. Compared with leukocytes, neutrophils, platelets, C-reactive protein and albumin, fibrinogen demonstrated the best recognition ability for the patients with FEV1%pred<60% (AUC=0.839). The sensitivity of identifying patients with FEV1%pred<60% was 91.18% and the specificity was 71.26% when the level of fibrinogen was over 3.35 g/L. Conclusions  Leukocytes, neutrophils, platelets, C-reactive protein, albumin and fibrinogen have shown certain application value in recognition of patients with bronchiectasis in acute exacerbation stage and FEV1%pred<60%. These serological indicators may be helpful in precision treatment and individual management of patients with bronchiectasis.