Predictors of treatment failure for hip and knee prosthetic joint infections in the setting of 1-and 2-stage exchange arthroplasty: a multicenter retrospective cohort

…, BE Hansen, MP Muller, KC Katz… - Open forum …, 2019 - academic.oup.com
Background Prosthetic hip and knee joint infections (PJIs) are challenging to eradicate despite
prosthesis removal and antibiotic therapy. There is a need to understand risk factors for …

The evolving epidemiology of Clostridium difficile infection in Canadian hospitals during a postepidemic period (2009–2015)

KC Katz, GR Golding, KB Choi, L Pelude… - Cmaj, 2018 - Can Med Assoc
Background: The clinical and molecular epidemiology of health care–associated Clostridium
difficile infection in nonepidemic settings across Canada has evolved since the first report …

[HTML][HTML] Risk factors for influenza among health care workers during 2009 pandemic, Toronto, Ontario, Canada

…, J Gubbay, T Hatchette, KC Katz… - Emerging infectious …, 2013 - ncbi.nlm.nih.gov
… Serum specimens were extracted from blood samples and 1 mL aliquots frozen at −70C.
Aliquots were tested by hemagglutination-inhibition (HAI) assay to determine antibody titers …

Trends in severe outcomes among adult and pediatric patients hospitalized with COVID-19 in the Canadian Nosocomial Infection Surveillance Program, March 2020 …

…, G Evans, L Johnston, J Johnstone, KC Katz… - JAMA Network …, 2023 - jamanetwork.com
Importance Trends in COVID-19 severe outcomes have significant implications for the health
care system and are key to informing public health measures. However, data summarizing …

[HTML][HTML] Characterization of healthcare-associated and community-associated Clostridioides difficile infections among adults, Canada, 2015–2019

…, G Han, J Johnstone, P Kibsey, KC Katz… - Emerging Infectious …, 2022 - ncbi.nlm.nih.gov
We investigated epidemiologic and molecular characteristics of healthcare-associated (HA)
and community-associated (CA) Clostridioides difficile infection (CDI) among adult patients …

Verification of the IDI-MRSA Assay for Detecting Methicillin-Resistant Staphylococcus aureus in Diverse Specimen Types in a Core Clinical Laboratory Setting

…, M Latchford, AJ McGeer, KC Katz - Journal of clinical …, 2006 - Am Soc Microbiol
The IDI-MRSA assay has a sensitivity of 96% and a specificity of 96% when used to screen
patients at extranasal sites. This verification study used previously unverified swabs and was …

Emergence of macrolide resistance in throat culture isolates of group A streptococci in Ontario, Canada, in 2001

KC Katz, AJ McGeer, CL Duncan… - Antimicrobial agents …, 2003 - Am Soc Microbiol
Of 500 group A streptococci isolated from pharyngeal swabs, 72 (14.4%) were macrolide
resistant, compared to 2.1% in 1997. Of these, 66 (92%) were of the M phenotype and 6 (8.3%) …

Sensitivities of Nasal and Rectal Swabs for Detection of Methicillin-Resistant Staphylococcus aureus Colonization in an Active Surveillance Program

…, S Waldman, D White, J Tomassi, KC Katz - Journal of clinical …, 2008 - Am Soc Microbiol
All medical and high-risk surgical patients were screened for methicillin-resistant Staphylococcus
aureus colonization over 3.5 years. The sensitivities of nasal and rectal swabs were 68…

Community-associated methicillin-resistant Staphylococcus aureus: prevalence in skin and soft tissue infections at emergency departments in the Greater Toronto …

…, J Rizos, B Borgundvaag, KC Katz… - Canadian Journal of …, 2009 - cambridge.org
Objective:Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA),
which is caused primarily by the Canadian methicillin-resistant Staphylococcus aureus-10 (…

Trends in Clostridioides difficile infection rates in Canadian hospitals during the coronavirus disease 2019 (COVID-19) pandemic

…, C Frenette, J Johnstone, P Kibsey, KC Katz… - Infection Control & …, 2023 - cambridge.org
The coronavirus disease 2019 (COVID-19) pandemic has placed significant burden on
healthcare systems. We compared Clostridioides difficile infection (CDI) epidemiology before …