Limitations of arterial pulse pressure variation and left ventricular stroke volume variation in estimating cardiac pre-load during open heart surgery.

@article{Rex2007LimitationsOA,
  title={Limitations of arterial pulse pressure variation and left ventricular stroke volume variation in estimating cardiac pre-load during open heart surgery.},
  author={Steffen Rex and Gereon Sch{\"a}lte and Sylvia Schroth and Eric E C de Waal and Sebastian M Metzelder and Y. Overbeck and Rolf Rossaint and Wolfgang Buhre},
  journal={Acta anaesthesiologica Scandinavica},
  year={2007},
  volume={51 9},
  pages={
          1258-67
        }
}
BACKGROUND In addition to their well-known ability to predict fluid responsiveness, functional pre-load parameters, such as the left ventricular stroke volume variation (SVV) and pulse pressure variation (PPV), have been proposed to allow real-time monitoring of cardiac pre-load. SVV and PPV result from complex heart-lung interactions during mechanical ventilation. It was hypothesized that, under open-chest conditions, when cyclic changes in pleural pressures during positive-pressure… CONTINUE READING
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