Michard F., Boussat S, Chemla D, et al. Relation between respiratory changes in arterial pulse pressure and fluid responsiveness in septic patients with acute circulatory failure. American Journal of Respiratory and Critical Care Medicine. Jul 2000;162(1):134-138Best Preload Responsiveness - PPVMichard et al (1999) found PPV gave a
more accurate measure of fluid
responsiveness when compared to SPV,
which it turn was a better measure
than CVP and PAOP.