A Ten Years Study of The Rates and Resistance Trends of the ESKAPE Bacteria Isolated from Sterile Body Sites (2010 – 2019) at a Single Hospital
Abstract
Background
To assess the rates and trends of resistance among ESKAPE pathogens during 2010 – 2019.
Methods
A retrospective, single-center study between 2010 –2019, non-duplicate isolates from six sterile sources were studied. Pathogens were processed through the automated VITEK-2. The Clinical Laboratory Standards Institute (CLSI) breakpoints were referenced. The aim was to detect the rates and resistance trends of the ESKAPE pathogens, the rates of ESBL-producing K. pneumoniae, and the carbapenem-resistant (CR)-K. pneumoniae, CRAb, CRPa, VRE, and MRSA for the inpatients. Trends for the prevalence and resistance rates were analyzed by linear regression. Missing values were averaged based on the neighboring values. Data analysis was by SPSS version 25, and statistical significance is considered for one-tailed P < 0.05.
Results
The ESKAPE bacteria (4286 isolate) comprised (45.57%) of the inpatients' isolates, the sterile sources consisted of 1421 (33.15%): K. pneumonia 272 isolates, the ESBL-producing K. pneumoniae significantly declined (Pearson R - 0.877, P = 0.001), CR-K. pneumoniae showed no significant trends (P = 0.475). P. aeruginosa 202 isolates; resistance to carbapenem (CRPa) averaged 42%. S. aureus 198 isolates; MRSA rates averaged 45%. A. baumannii 165 isolates; carbapenem-resistance (CRAb) average 93%. Vancomycin-resistant (VR)E. Faecium = 33%, and VRE. faecalis = 15% with a weighted average 17%. Enterobacter spp. resistance rates were: Amikacin 3.6%, Third and fourth generation cephalosporines 28% and 20% respectively, Quinolones 27% ± 3%, Piperacillin/tazobactam resistance 29%, Imipenem 15%, and Meropenem 27.
Conclusion
The ESKAPE pathogens were highly resistant, making treatment more complicated, and compromise the initial empiric treatment.
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