Analysis of pathogen distribution and drug resistance of nosocomial infections accompanied in patients with malignant tumor

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Abstract

Objective

To investigate the pathogen distribution and drug resistance of nosocomial infections accompanied in patients with malignant tumor.

Methods

The pathogen culture and drug-sensitivity data of 107 specimens isolated from malignant tumor patients accompanied with nosocomial infection were retrospectively analyzed.

Results

Among 118 strains of pathogens isolated from 107 specimens, 77 were gram-negative bacillus(65.3%), 26 were gram-positive coccus(65.3%), and 15 were fungus(12.7%). Eleven specimens were revealed to have combined infection of bacterium and fungus. Gram-negative bacillus showed high sensitivity to amikacin, ciprofloxacin, and tienam. Gram-positive cocci were highly sensitive to tienam and vancomycin. The bacteria were resistant to other antibiotics in different degrees. Vancomycin-resistant staphylococcus was not detected. Candida was sensitive to antifungals.

Conclusion

Conditional pathogenic bacteria were mainly responsible for nosocomial infections in malignant tumor patients with considerable drug resistance. This shows that bacterial tests and the rational use of antibiotics should be emphasized in clinical practice to prevent the formation of drug resistant strains and further endogenous infections.

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