Epidemiological study of Acinetobacter baumannii nosocomial infections


Acinetobacter baumannii nosocomial infections,
antibiotic resistance.

How to Cite

PRISACARI, V. and ANDRONACHI, N. (2021) “Epidemiological study of Acinetobacter baumannii nosocomial infections ”, One Health & Risk Management , 2(2), pp. 36-41. doi: 10.38045/ohrm.2021.2.05.


Introduction. Acinetobacter baumannii is a pathogen and a major cause of nosocomial infections in the current healthcare system worldwide due to its high resistance to antibiotics, including those considered as a last resort, thus posing threat to severe clinical forms, as well as exhibiting significant economic and clinical impact.

Material and methods. A descriptive longitudinal and cross-sectional epidemiological study was carried out based on the model of multidisciplinary care hospitals.

Results. The generalized clinical forms of Acinetobacter nosocomial infections predominate in 56.30%, including: pulmonary sepsis – 25.59%, abdominal sepsis – 11.81%, septicemia – 9.45%, wound sepsis– 6.30%, biliary sepsis – 1.97%, and urosepsis – 1.18% of cases. Local infections were found in 16.93% of wound infections and in 14.57% of pneumonia cases. A. baumanii was present in the etiological structure of 98.18% of cases, exhibiting an increased resistance to antibiotics, particularly to monobactams – 100.0%, macrolides – 98.82%, penicillins – 98.08%, cephalosporins – 97.65%, penicillins with beta-lactamase inhibitors – 93.20%, fluoroquinolones – 87.16%, and amphenicols – 84.17% of cases. A. baumanii strains isolated from patients with nosocomial infections were found to be multidrug resistant to antibiotics in 93.08% of cases.

Conclusions. Acinetobacter baumannii nosocomial infections represent a major public health issue that requires the implementation of strict surveillance and control strategies, including the rational use of antibiotics.


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