A. Stroke Volume Variation (SVV)
SV max - SV min / [(SV max + SV min) / 2]
10~15% Intensive care med 2002;28:392-398.
CSA μΈ‘μ μ΄ μ½μ§ μμ μ μ¬μ©νμ§ μμ
B. VTI (SVVμ λ리μ§ν)
delta VTI = 100 x (VTI max - VTI min) / [(VTI max + VTI min) / 2]
VTI variation > 12% β> fluid responsiveness +
C. Peak flow velocity
delta Vpeak = 100 X (Vp max - Vp min) / [(Vp max + Vp min) / 2]
Vpeak variation > 12% ββ fluid responsiveness
Sensitivity 100%, specificity 89% Chest 2001;119(3) : 867-73
D. Passive leg rasing test
β’
Spontaneous breathing νμμμ μ¬μ©
β’
delta SV PLR > 12% β> fluid responsiveness
β’
Vpeak variation : > 12%Β - fluid responsiveness +
β’
VTI variation (SVVμ λ리μ§ν) : >12%Β - fluid responsiveness +
