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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (04): 257-262. doi: 10.3877/cma.j.issn.1674-1358.2021.04.007

• Research Article • Previous Articles     Next Articles

Predictive value of serum heparin binding protein, C-reactive protein and procalcitonin for pulmonary bacterial infection after video-assisted thoracoscopic surgery for lung cancer

Wei Wang1,(), Kun Wang1, Tao Sun1, Yuhang Ru1, Xiao Liu1   

  1. 1. Department of Chest Surgery, Bozhou People’s Hospital, Bozhou 236800, China
  • Received:2020-08-31 Online:2021-08-15 Published:2021-10-13
  • Contact: Wei Wang

Abstract:

Objective

To investigate the predictive value of serum heparin-binding protein (HBP), C-response protein (CRP), and procalcitonin (PCT) for pulmonary bacterial infection of patients with lung cancer after video assisted thoracoscopic surgery.

Methods

Clinical data of 105 patients with lung cancer admitted to Bozhou People’s Hospital from March 2017 to July 2020 were analyzed, retrospectively. The incidence rate of pulmonary bacterial infection of patients with lung cancer after VATS was analyzed. The patients were divided into infection group (18 cases) and control group (87 cases) according to whether occurred pulmonary bacterial infection after operation, and the levels of serum HBP, CRP and PCT were compared between the two group immediately and 24 hours after operation. The predictive value of change rates of serum HBP, CRP, PCT levels and the combination of the three indexes on pulmonary bacterial infection for patients with lung cancer after VATS were analyzed by receiver operating characteristic curve (ROC).

Results

The incidence rate of pulmonary infection after VATS was 17.14% (18/105). The levels of serum HBP, CRP and PCT of the two groups increased at 24 hours after operation compared with those immediately after operation, [Infection group: (12.52 ± 1.53) ng/ml vs. (8.16 ± 1.25) ng/ml; t = 9.363, P < 0.001. (41.83 ± 4.75) mg/ml vs. (21.68 ± 2.18) mg/ml; t = 16.357, P < 0.001. (1.21 ± 0.21) ng/ml vs. (0.32 ± 0.04) ng/ml; t = 17.663, P < 0.001. Control group: (9.94 ± 1.47) ng/ml vs. (7.91 ± 1.17) ng/ml; t = 10.078, P < 0.001. (31.62 ± 3.37) mg/ml vs. (21.27 ± 2.02) mg/ml; t = 24.571, P < 0.001. (0.65 ± 0.07) ng/ml vs. (0.34 ± 0.06) ng/ml; t = 31.363, P < 0.001], which were significantly higher of patients in infection group than those of control group (t = 6.732, 10.850, 20.282; all P < 0.001). The change rates of serum HBP, CRP and PCT of infection group were significantly higher than those of control group [(53.43 ± 6.82)% vs. (25.66 ± 4.51)%, (92.94 ± 8.73)% vs. (48.66 ± 6.12)%, (278.13 ± 34.75) % vs. (91.18 ± 10.36)%], with significant differences (t = 21.596, P < 0.001; t = 25.824, P < 0.001; t = 42.475, P < 0.001). ROC analysis on predicting pulmonary bacterial infection after VATS for patients with lung cancer showed that the best cut-off points of change rates of serum HBP, CRP and PCT were 32.93%, 71.65% and 128.75%, respectively. The area under curve (AUC) of the combined three indexes on predicting pulmonary bacterial infection after VATS was 0.848, which was higher than those of serum HBP (0.689), CRP (0.656) and PCT (0.612) (Z = 2.392, P = 0.017; Z = 2.601, P = 0.009; Z = 2.013, P = 0.048).

Conclusions

The increasing change rates of serum HBP, CRP and PCT levels of patients with pulmonary bacterial infection after VATS were higher than those of patients without pulmonary infection immediately and 24 hours after VATS. The combination of change rates of serum HBP, CRP and PCT levels was more suitable for predicting pulmonary bacterial infection of patients with lung cancer after VATS than those of single index.

Key words: Heparin binding protein, C-reactive protein, Procalcitonin, Lung cancer, Pulmonary bacterial infection, Postoperative complications, Video assisted thoracoscopy

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