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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (02): 117-123. doi: 10.3877/cma.j.issn.1674-1358.2021.02.008

Special Issue:

• Research Article • Previous Articles     Next Articles

Clinical characteristics and prognostic factors of 25 cases with community-acquired pseudomonas aeruginosa bloodstream infection

Zhangyan Guo1, Juan Wang1,(), Jianping Chu1   

  1. 1. Pediatric Intensive Care Unit, Xi’an Children’s Hospital, Xi’an 710003, China
  • Received:2020-04-19 Online:2021-04-15 Published:2021-06-15
  • Contact: Juan Wang

Abstract:

Objective

To investigate the clinical characteristics and risk factors of prognosis in children with community-acquired Pseudomonas aeruginosa bloodstream infection and to provide basis for clinical diagnosis, treatment and prognosis evaluation.

Methods

The clinical data of 25 cases diagnosed as community-acquired Pseudomonas aeruginosa bloodstream infection in Pediatric Intensive Care Unit, Xi’an Children’s Hospital, from January 2013 to December 2018 were analyzed, retrospectively. The clinical characteristics, laboratory tests, drug sensitivity results and treatment were analyzed, respectively. Univariate and multivariate Cox regression were used to analyze the related factors affecting survival prognosis.

Results

There were 25 cases with community-acquired Pseudomonas aeruginosa bloodstream infection, 21 cases were infants and toddlers. Among the 25 cases, 23 (92%) cases had fever, 23 (92%) cases had poor mental state, 18 (72%) cases had leukopenia, 4 (16%) cases had leukocytosis, C-reactive protein (CRP) and procalcitonin (PCT) increased among 25 cases (100%), which were (76.6 ± 34.3) mg/L and [35.4 (7.67, 43.25)] ng/ml, respectively.Total of 19 cases survived and 6 cases died, with the fatality rate as 76%. White blood cell (Z =-2.132, P = 0.033), blood lactic acid (t = 4.480, P < 0.001), inappropriate pre-hospital antibiotics (P < 0.001), mechanical ventilation (P = 0.031), septic shock (P < 0.001) significantly affected the prognosis of community-acquired Pseudomonas aeruginosa bloodstream infection in children, with significant differences. Multivariate Cox regression analysis showed that inappropriate pre-hospital antibiotics (OR = 0.091, P = 0.027) and septic shock (OR = 3.898, P = 0.038) were risk factors affecting the prognosis of pseudomonas aeruginosa bloodstream infection.

Conclusions

Community-acquired Pseudomonas aeruginosa infection of children presents as fever, poor mental state, increased or decreased white blood cells, significantly increased CRP and PCT, with high fatality rate. Inappropriate pre-hospital antibiotics and septic shock were independent risk factors for prognosis of community-acquired pseudomonas aeruginosa bloodstream infection in children. Rational use of antibiotics and more approriate antimicrobial therapy might improve the outcomes of children with community-acquired Pseudomonas aeruginosa bloodstream infection.

Key words: Pseudomonas aeruginosa, Bloodstream infection, Children, Clinical characteristics, Risk factors of prognosis, Community-acquired infection

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