Publications by authors named "P R Fortin"

Background: In June 2021, the Injury Research Engagement Project (I-REP) was established. In 2022, we preformed focus group analysis with patients/caregiver and researchers that resulted in themes in preferences, motivations, and best practices to increase participation in trauma research. The importance of trust and well-established relationships was common across all groups.

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  • - This study examined the occurrence and effects of antinuclear antibodies (ANA) in patients with antiphospholipid antibodies (aPL) but without other systemic autoimmune diseases, using data from the APS ACTION Registry.
  • - Among the 430 analyzed patients, 56% tested positive for ANA, revealing significant links between ANA positivity and various autoimmune features like hematologic issues and joint involvement.
  • - Despite the presence of these autoimmune characteristics in ANA-positive patients, the study found no connection between ANA status and complications related to thrombosis or pregnancy; interestingly, ANA-negative patients had more pregnancies and live births.
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  • - SARS-CoV-2 is still a major cause of death in North America, and this study examines how methotrexate and tumor necrosis factor inhibitors (TNFi) affect vaccine responses in patients with immune-mediated inflammatory diseases (IMID).
  • - Researchers collected and analyzed serum samples from 479 adults with conditions like inflammatory bowel disease (IBD) and rheumatoid arthritis (RA) across Canada to evaluate neutralization responses to COVID-19 vaccination.
  • - The results indicated that both methotrexate and TNFi independently reduced the ability to neutralize the virus, underscoring the need for careful vaccination strategies as COVID-19 remains widespread.
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We were tasked by Canada's COVID-19 Immunity Task Force to describe severe adverse events (SAEs) associated with emergency department (ED) visits and/or hospitalizations in individuals with immune-mediated inflammatory diseases (IMIDs). At eight Canadian centres, data were collected from adults with rheumatoid arthritis (RA), axial spondyloarthritis (AxS), systemic lupus (SLE), psoriatic arthritis (PsA), and inflammatory bowel disease (IBD). We administered questionnaires, analyzing SAEs experienced within 31 days following SARS-CoV-2 vaccination.

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Background: In 2021, an EULAR task force published a definition of difficult-to-treat rheumatoid arthritis (D2T RA). Our current knowledge of D2T RA with the EULAR definition is based on European and Asian cohorts, and no North American cohort has yet to be published. The aim of this study was to compare D2T RA patients to non-D2T RA who are good responders to advanced therapy, and to describe their evolution in an university health center patient cohort.

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