Cardiac Index Measured Using the Fick Principle Versus Thermodilution in Children Following Orthotopic Heart Transplantation - Takeaways - MDSpire

Cardiac Index Measured Using the Fick Principle Versus Thermodilution in Children Following Orthotopic Heart Transplantation

  • By

  • Elyssa Cohen

  • Conor O’Halloran

  • Nicholas Pilli

  • Paul Tannous

  • June 26, 2026

  • 0 min

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  • 1

    Cardiac index (CI) is crucial for assessing graft function post-orthotopic heart transplantation (OHT) in pediatric patients.

  • 2

    This study compares CI measurements via the Fick principle and thermodilution in pediatric patients after OHT.

  • 3

    The median CI via thermodilution was 2.7 L/min/m2, while the Fick method yielded a median of 3.7 L/min/m2.

  • 4

    There was a median difference of +0.99 L/min/m2 between the Fick method and thermodilution, indicating low agreement.

  • 5

    The absolute difference in CI measurements did not significantly vary based on pre-transplant characteristics.

Original Source(s)

Cardiac Index Measured Using the Fick Principle Versus Thermodilution in Children Following Orthotopic Heart Transplantation

  • by Elyssa Cohen, Conor O’Halloran, Nicholas Pilli, Paul Tannous

  • June 26, 2026

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