Clinical Study

Hemodynamic Changes during a Deep Inspiration Maneuver Predict Fluid Responsiveness in Spontaneously Breathing Patients

Table 1

Main characteristics of healthy volunteers.


Age, years 35 ± 3
Sex ratio, M/F 4/2
Body mass index 23.6 ± 3.2
Body surface area, m² 1.83 ± 0.18
HR, beats/min 72 ± 9
RR, cycles/min 17 ± 5
MAP, mm Hg 85 ± 11
PP, mm Hg 44 ± 12
SAP, mm Hg 114 ± 17
DAP, mm Hg 70 ± 8
SVi, mL/m² 33 ± 7
VF, cm/s 74.2 ± 9.8

HR, heart rate; RR, respiratory rate; MAP, mean arterial pressure; PP, pulse pressure; SAP, systolic arterial pressure; DAP, diastolic arterial pressure; SVi, stroke volume index; VF, velocity peak of femoral artery flow. Values are expressed as mean ± SD.