ArticleJournal of cardiovascular development and disease2026
Association Between ABO Blood Group, COVID-19 Status, and Early Respiratory Outcomes in Acute Pulmonary Embolism: An Interaction Analysis.
Article in Journal of cardiovascular development and disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The influence of COVID-19 infection on the association between ABO blood groups and early outcomes in patients with acute pulmonary embolism (PE) remains uncertain. We conducted a retrospective, single-center cohort study including adult patients admitted with a first episode of acute pulmonary embolism (PE). The interaction between ABO blood group (non-O vs. O) and COVID-19 status was evaluated using multivariable logistic regression models adjusted for PE severity assessed by the Pulmonary Embolism Severity Index (PESI). A total of 211 patients were included, of whom 95 (45.0%) were COVID-19-positive. Among COVID-19-positive patients, non-O blood groups were associated with significantly higher odds of invasive mechanical ventilation (IMV) compared with group O (adjusted odds ratio [aOR] 12.87, 95% CI 4.17-39.75), whereas no association was observed among COVID-19-negative patients (aOR 1.20, 95% CI 0.45-3.23). No interaction was identified for 24 h mortality (
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