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<p>In mechanically ventilated COVID-19 patients, a higher degree of coronary artery calcification (CAC) has been associated with increased severity of multi-organ failure. Furthermore, non-survivors showed worse development of multi-organ failure over time compared to survivors with COVID-19. Nevertheless, it remains unclear whether more CAC is associated with worse long-term survival. Therefore, we studied the association between CAC and one-year survival. In a prospective cohort of 241 mechanically ventilated patients who underwent chest CT scans for clinical evaluation of critical disease, CAC was scored using a semi-quantitative 12-point grading system. Cox proportional hazards analyses were used to investigate the association between CAC score (continuous and tertiles) and one-year survival in crude models and models adjusted for risk factors. In the crude model, a 1-point higher CAC score was associated with a higher hazard ratio (HR) (with 95% confidence interval (CI)) of 1.13 (95%CI: 1.08;1.19, p-value: &lt;0.001). Compared to the lowest tertile (<i>n</i> = 85), a higher mortality was shown for the medium (<i>n</i> = 81) and the highest (<i>n</i> = 75) tertiles, HR 1.21 (95%CI: 0.73;2.02, p-value:0.443) and HR 3.32 (95%CI: 2.10;5.27, p-value:&lt;0.001), respectively. After adjustment for age, sex and APACHE-II score, and comorbidities, a higher CAC score was associated with statistically significant worse one-year survival HR 2.07 (95% CI: 1.18–3.63, p-value:0.012). More coronary artery calcifications (CAC) are associated with worse one-year survival in patients on mechanical ventilation for severe COVID-19.</p>

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Coronary artery calcification is associated with reduced survival in mechanically ventilated COVID-19 patients in the MaastrICCht cohort

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月20日

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  • Esmee Baldussu,
  • Lloyd Brandts,
  • Francesca Pennetta,
  • Frank van Rosmalen,
  • Hanke J. Schalkx,
  • Martijn W. Smulders,
  • Iwan C.C. van der Horst,
  • Joachim E. Wildberger,
  • Thijs T.W. van Herpt,
  • Casper Mihl,
  • Bas C.T. van Bussel,
  • Bibi Martens,
  • Rob G.H. Driessen

摘要

In mechanically ventilated COVID-19 patients, a higher degree of coronary artery calcification (CAC) has been associated with increased severity of multi-organ failure. Furthermore, non-survivors showed worse development of multi-organ failure over time compared to survivors with COVID-19. Nevertheless, it remains unclear whether more CAC is associated with worse long-term survival. Therefore, we studied the association between CAC and one-year survival. In a prospective cohort of 241 mechanically ventilated patients who underwent chest CT scans for clinical evaluation of critical disease, CAC was scored using a semi-quantitative 12-point grading system. Cox proportional hazards analyses were used to investigate the association between CAC score (continuous and tertiles) and one-year survival in crude models and models adjusted for risk factors. In the crude model, a 1-point higher CAC score was associated with a higher hazard ratio (HR) (with 95% confidence interval (CI)) of 1.13 (95%CI: 1.08;1.19, p-value: <0.001). Compared to the lowest tertile (n = 85), a higher mortality was shown for the medium (n = 81) and the highest (n = 75) tertiles, HR 1.21 (95%CI: 0.73;2.02, p-value:0.443) and HR 3.32 (95%CI: 2.10;5.27, p-value:<0.001), respectively. After adjustment for age, sex and APACHE-II score, and comorbidities, a higher CAC score was associated with statistically significant worse one-year survival HR 2.07 (95% CI: 1.18–3.63, p-value:0.012). More coronary artery calcifications (CAC) are associated with worse one-year survival in patients on mechanical ventilation for severe COVID-19.