Objective: The COVID-19 pandemic has caused a global health crisis and may have affected healthcare-associated infections (HAI) prevention strategies. This study aims to evaluate the impact of the COVID-19 pandemic on HAI incidence in Brazilian ICUs. Methods: This ecological study compared adult patients admitted to the ICU from April through June 2020 (pandemic period) with the same period in 2019 (pre-pandemic period) in 21 Brazilian hospitals. The difference in microbiologically confirmed central line-associated bloodstream infection (CLABSI) and ventilator-associated pneumonia (VAP) incidence density (cases per 1,000 patient days), the proportion of organisms that caused HAI, and antibiotic consumption (DDD) between the pandemic and the pre pandemic periods were compared in a pairwise analysis using the Wilcoxon signed rank sum test. Results: We observed a significant increase in median CLABSI incidence during the pandemic (1.60 [0.44-4.20] vs. 2.81 [1.35-6.89], p = 0.002). There was no difference in VAP incidence between the two periods. In addition, there was a significant increase in the proportion of CLABSI caused by Enterococcus faecalis and Candida species during the pandemic, although only the latter retained statistical significance after correction for multiple comparisons. There was no significant change in ceftriaxone, piperacillin/tazobactam, meropenem, or vancomycin consumption between the studied periods. Conclusions: There was an increase in CLABSI incidence in Brazilian ICUs during the first months of COVID-19 pandemic. Additionally, we observed an increase in the proportion of CLABSI caused by E. faecalis and Candida species in this period. CLABSI prevention strategies must be reinforced in ICUs during the COVID-19 pandemic.

Background Surgical site infections after cardiac surgery are associated with severe outcomes, including reoperation and death. We aimed to describe the effect of a standardized clinical‐care protocol for preventing mediastinitis in patients who underwent coronary artery bypass graft surgery (CABG). Methods In a hospital certified by Joint Commission International, all patients who underwent CABG from January 2011 to December 2016 were compared in two periods according to the moment of implementation of a standardized clinical‐care protocol for prevention of mediastinitis (CCPPM): pre‐protocol (January 2011‐December 2012) and post‐protocol (January 2013‐December 2016). The CCPPM consisted of the patient using a kit containing chlorhexidine 2% for bathing, mupirocin 20 mg/g for nasal topical use and chlorhexidine 0.12% for oral hygiene for 5 days before surgery, in addition to prophylaxis with a glycopeptide antimicrobial and strict glucose control (110‐140 mg/dL) during surgery and immediate postoperative. Results We evaluated 1760 patients who underwent CABG in both periods. The occurrence of mediastinitis before protocol implementation was 1.44% (10 of 692 CABG). After the implementation of the protocol, there was an important reduction in the incidence of mediastinitis to 0.09% (1 of 1068 CABG) (P = 0.002). Although we did not observe a significant difference in mortality between the groups (2.3% vs 1%, P = 0.77), there was fewer in‐hospital mortality due to mediastinitis after the CCPPM (0.2% vs 0%, P < 0.001). Conclusion Implementation of a standardized CCPPM was associated with a significant reduction in the incidence of mediastinitis after CABG and reduction of mortality in the group of patients with mediastinitis.

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