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Exercise capacity in single-ventricle patients after Fontan correlates with haemodynamic energy loss in TCPC
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  • Published on:
    Does TCPC power loss really affects exercise capacity?
    • T-Y Hsia, Consultant Cardiothoracic Surgen
    • Other Contributors:
      • Ethan Kung, Alison Marsden, Alessandro Giardini, Catriona Baker, Richard Figliola, and the MOCHA Investigators

    We read with interest the article by Khiabani et al.[1], where the authors suggested TCPC power loss could affect exercise performance in Fontan patients. Using indexed Power Loss, "iPL", instead of unadjusted PL, they report higher iPL correlated with worse exercise. We believe that this approach is misleading leading to wrong conclusions.

    iPL was:

    iPL=PL/(pQ^3/BSA^2 )

    where PL, p, Q, and...

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    Conflict of Interest:
    None declared.