Journal
ANTIBIOTICS-BASEL
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/antibiotics11050695
Keywords
hospital-acquired infections; antimicrobial stewardship; COVID-19; surveillance; resistance
Categories
Funding
- MERCK SHARP & DOHME CORP (MSD) [60315]
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The COVID-19 pandemic has led to major adjustments in healthcare systems and has caused an increase in multidrug-resistant (MDR) hospital-acquired infections (HAIs) at Molinette Hospital. The study also found changes in antibiotic consumption, with a reduction in fluoroquinolone use and an increase in the use of fourth- and fifth-generation cephalosporins and piperacillin-tazobactam during the COVID-19 period. The findings highlight the need for improved infection control practices and microbiological diagnosis during pandemics.
The pandemic caused by the COVID-19 virus has required major adjustments to healthcare systems, especially to infection control and antimicrobial stewardship. The objective of this study was to describe the incidence of multidrug-resistant (MDR) hospital-acquired infections (HAIs) and antibiotic consumption during the three waves of COVID-19 and to compare it to the period before the outbreak at Molinette Hospital, located in the City of Health and Sciences, a 1200-bed teaching hospital with surgical, medical, and intensive care units. We demonstrated an increase in MDR infections: particularly in K. pneumoniae carbapenemase-producing K. pneumoniae (KPC-Kp), A. baumannii, and MRSA. Fluoroquinolone use showed a significant increasing trend in the pre-COVID period but saw a significant reduction in the COVID period. The use of fourth- and fifth-generation cephalosporins and piperacillin-tazobactam increased at the beginning of the COVID period. Our findings support the need for restoring stewardship and infection control practices, specifically source control, hygiene, and management of invasive devices. In addition, our data reveal the need for improved microbiological diagnosis to guide appropriate treatment and prompt infection control during pandemics. Despite the infection control practices in place during the COVID-19 pandemic, invasive procedures in critically ill patients and poor source control still increase the risk of HAIs caused by MDR organisms.
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