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PAH-CHD Survival Model Calculator

  • Age (years)
  • Oxygen Saturation (%)
  • WHO Functional Class (I-IV)
  • Pulmonary Vascular Resistance Index (PVRi, WU·m²)
  • Qp/Qs Ratio
  • PAH-CHD Survival Model: Explanation and Clinical Context
    This model estimates the survival probability of patients with pulmonary arterial hypertension associated with congenital heart disease (PAH-CHD).
    It incorporates clinical parameters such as age, oxygen saturation, WHO functional class, pulmonary vascular resistance index (PVRi), and the Qp/Qs ratio.
    The model provides a simplified approach to assist clinicians in assessing prognosis and guiding treatment decisions.

    Reference:
    Chaiwangyen N, et al. Contemporary survival outcomes of congenital systemic-to-pulmonary shunt patients with pulmonary arterial hypertension. Sci Rep. 2024;14(1):12345. doi:10.1038/s41598-024-67899-6

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