Continuous and noninvasive hemodynamic profile monitoring including aorticblood flow, systolic time intervals and PetCO(2) measurements

The benefit of noninvasive continuous hemodynamic monitoring blood flow and simultaneous follow up of the end tidal CO2 pressure (PetCO(2)) in patient s at risk can be summarized by the following points: 1) the possibility of access to a rapid objective noninvasive diagnosis of hemodynamic and tissue perfusion modifications; 2) the monitoring of the hemodynamic profile, inc luding information on the ABF and on the factors involved in its regulation , particularly on the left ventricular contractility (STI); 3) the preload cannot be assessed directly but can be evaluated either by analytical deduc tion from the changes in the Various parameters, or by a filling test under continuous hemodynamic noninvasive control; 4) simultaneous monitoring of the PetCO2 under restricted conditions of observation gives clear informati on on the state of tissue perfusion during general anesthesia and would als o seem useful in intensive care, but this fact needs to be confirmed by oth er, larger, more thorough comparative studies; and 5) the diagnosis, the ch oice of a treatment and continuous follow up of cardiovascular and tissue p erfusion evolution has gradually and simply become accessible with this new approach to noninvasive monitoring.