Journal
PLOS ONE
Volume 12, Issue 11, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0187648
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Funding
- Instituto de Salud Carlos III [PIE1600050 SEXCOMPLEX]
- Spanish Ministry of Economy and Competitiveness
- Fondo Europeo de Desarrollo Regional FEDER
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Background We sought to examine sex-related differences in the characteristics and outcome in patients presenting with acute symptomatic pulmonary embolism (PE). Methods We conducted a retrospective cohort study of 2,096 patients diagnosed with acute PE. The characteristics were recorded at presentation. Treatment was at the discretion of patients' physicians. The primary study outcome, all-cause mortality, and the secondary outcomes of PE-specific mortality, recurrent venous thromboembolism, and major bleeding were assessed during the first month of follow-up after PE diagnosis. Results Overall, the women were older than the men and had significantly higher rates of immobilization. They had significantly lower rates of chronic obstructive pulmonary disease and cancer. Women had a higher prevalence of syncope and elevated brain natriuretic peptide levels. Thirty-day all-cause mortality was similar between women and men (7.1% versus 6.2%; P= 0.38). Male gender was not independently significantly associated with PE-related death (adjusted odds ratio [OR] 1.02; 95% Cl, 0.50 to 2.07; P= 0.96). Restricting the analyses to haemodynamically stable patients (n = 2,021), female gender was an independent predictor of all-cause (adjusted OR 1.56; 95% Cl, 1.07 to 2.28; P= 0.02) and PE-specific mortality (adjusted OR 1.85; 95% Cl, 1.02 to 3.33; P= 0.04). Compared with men, women were 2.05 times more likely to experience a major bleed. Conclusions Women and men with PE had different clinical characteristics, presentation, and outcomes. Women receiving anticoagulation have a significantly higher risk of major bleeding, suggesting the need for careful monitoring of anticoagulant intensity in women.
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