Physiologic aspects in postoperative cardiac patients.

  title={Physiologic aspects in postoperative cardiac patients.},
  author={Erik H{\aa}kanson and Rolf Svedjeholm and Ingemar Vanhanen},
  journal={The Annals of thoracic surgery},
  volume={59 2 Suppl},
After a cardiac operation, there is reversible myocardial dysfunction that also involves a metabolic disorder. In patients with cardiac failure, care must be taken to reduce the strain on the heart by minimizing systemic oxygen uptake, which is, in fact, the main determinant of cardiac output. Inotropic support may improve cardiac output and tissue oxygenation in cardiac failure, but it also increases myocardial stress directly by increasing myocardial demands and indirectly by increasing… CONTINUE READING

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