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CARPREG I Score Calculator

  • Prior cardiac event or arrhythmia?
  • NYHA class III-IV or cyanosis?
  • Left heart obstruction (mitral or aortic stenosis, coarctation)?
  • Reduced systemic ventricular function (EF <40%)?
  • CARPREG I Score: Explanation and Clinical Context
    The CARPREG I Score (Canadian Cardiac Disease in Pregnancy Risk Score) is a validated tool to estimate the risk of maternal cardiac complications during pregnancy.
    It evaluates four predictors: prior cardiac event or arrhythmia, NYHA class III-IV or cyanosis, left heart obstruction (including mitral/aortic stenosis or coarctation), and reduced systemic ventricular function (EF <40%).
    Each predictor scores 1 point, and the total score stratifies patients into low, moderate, or high risk of cardiac complications.
    Risk prediction based on original publication: 0 points = 5%, 1 point = 27%, > 2 points = 75% risk of maternal cardiac events.
    This tool helps clinicians in counseling, risk stratification, and planning multidisciplinary care for pregnant women with heart disease.

    Reference:
    Siu SC, Sermer M, Colman JM, et al. Prospective Multicenter Study of Pregnancy Outcomes in Women With Heart Disease. Circulation. 2001;104:515-521. doi:10.1161/hc2901.092447

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Appcardio may contain errors. Always verify the calculation and its accuracy before clinical use.