The importance of the muscle and ventilatory blood pumps during exercise in patients without a subpulmonary ventricle (Fontan operation).

@article{Shafer2012TheIO,
  title={The importance of the muscle and ventilatory blood pumps during exercise in patients without a subpulmonary ventricle (Fontan operation).},
  author={Keri M Shafer and Jorge A. Garc{\'i}a and Tony G. Babb and David E. Fixler and Colby R. Ayers and B. D. Levine},
  journal={Journal of the American College of Cardiology},
  year={2012},
  volume={60 20},
  pages={2115-21}
}
OBJECTIVES The aim of this study was to determine the relative contribution of the muscle and ventilatory pumps to stroke volume in patients without a subpulmonic ventricle. BACKGROUND In patients with Fontan circulation, it is unclear how venous return is augmented to increase stroke volume and cardiac output during exercise. METHODS Cardiac output (acetylene rebreathing), heart rate (electrocardiography), oxygen uptake (Douglas bag technique), and ventilation were measured in 9 patients… CONTINUE READING