Device and surgical procedure-related infections in Canadian acute care hospitals, 2018-2022
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Insights
Healthcare-associated infections (HAIs) surveillance in Canada revealed increased central line-associated bloodstream infections (CLABSIs) and decreased paediatric cardiac surgical site infections (SSIs). These trends inform infection control strategies.
Area of Science:
- Infectious Diseases
- Public Health Surveillance
- Epidemiology
Background:
- Healthcare-associated infections (HAIs) represent a substantial burden on the Canadian healthcare system.
- The Canadian Nosocomial Infection Surveillance Program (CNISP) monitors HAIs in sentinel acute care hospitals nationwide.
Purpose of the Study:
- To analyze the epidemiology of device- and surgical procedure-related HAIs in Canada from 2018 to 2022.
- To identify trends in infection rates, pathogens, and antimicrobial resistance for key HAIs.
Main Methods:
- Data collected from over 60 Canadian sentinel acute care hospitals between 2018 and 2022.
- Surveillance focused on central line-associated bloodstream infections (CLABSIs), surgical site infections (SSIs) including hip/knee arthroplasty, cerebrospinal fluid shunt (CSF) SSIs, and paediatric cardiac SSIs.
- Analysis included case counts, rates, patient/hospital characteristics, pathogen distribution, and antimicrobial resistance.
Main Results:
- Between 2018-2022, 2,258 device-related and 987 surgical procedure-related infections were reported.
- A significant increase in adult mixed ICU CLABSIs (1.07-1.93/1000 line days, p=0.05) and a non-significant increase in knee arthroplasty SSIs (0.31-0.42/100 surgeries) were observed.
- Paediatric cardiac SSIs significantly decreased by 68% (7.5-2.4/100 surgeries, p=0.01), while CSF shunt SSIs showed fluctuating trends.
Conclusions:
- Monitoring epidemiological and microbiological trends of HAIs is crucial for national and international benchmarking.
- These trends help identify changes in infection and antimicrobial resistance patterns.
- Findings inform hospital infection prevention, control, and antimicrobial stewardship policies.
Background:
Healthcare-associated infections (HAIs) are a significant healthcare burden in Canada. National surveillance of HAIs at sentinel acute care hospitals is conducted by the Canadian Nosocomial Infection Surveillance Program.
Objective:
This article describes device and surgical procedure-related HAI epidemiology in Canada from 2018 to 2022.
Methods:
Data were collected from over 60 Canadian sentinel acute care hospitals between January 1, 2018, and December 31, 2022, for central line-associated bloodstream infections (CLABSIs), hip and knee surgical site infections (SSIs), cerebrospinal fluid shunt (CSF) SSIs and paediatric cardiac SSIs. Case counts, rates, patient and hospital characteristics, pathogen distributions and antimicrobial resistance data are presented.
Results:
Between 2018 and 2022, 2,258 device-related infections and 987 surgical procedure-related infections were reported. A significant rate increase was observed in adult mixed intensive care unit CLABSIs (1.07-1.93 infections per 1,000 line days, p=0.05) and a non-significant rate increase was observed in SSIs following knee arthroplasty (0.31-0.42 infections per 100 surgeries, p=0.45). A fluctuating rate trend was observed in CSF shunt SSIs over the time period and a significant rate decrease in paediatric cardiac SSIs was observed (68%, from 7.5-2.4 infections per 100 surgeries, p=0.01). The most commonly identified pathogens were coagulase-negative staphylococci (22.8%) among CLABSIs and Staphylococcus aureus (42%) among SSIs.
Conclusion:
Epidemiological and microbiological trends among selected device and surgical procedure-related HAIs are essential for benchmarking infection rates nationally and internationally, identifying any changes in infection rates or antimicrobial resistance patterns and helping inform hospital infection prevention and control and antimicrobial stewardship policies and programs.
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