Appendix
Page E-12
Operator’s Manual PiCCO
2
Version 3.1
5.2
Output
PCCO = cal
x
HR
x
³
[P(t) / SVR + C(P)
x
dP/dt] dt
where
PCCO
=
Pulse Contour Cardiac Output (l/min)
cal
=
Patient specific calibration factor (determined by thermodilution)
HR
=
Heart Rate (1/min)
P(t) / SVR
=
Area under pressure curve
C(P)
=
Characteristic compliance of the aorta (determined by
thermodilution)
dP/dt
=
Shape of pressure curve
PCCI = PCCO / BSA
where
PCCI
=
Pulse Contour Cardiac Output Index (l/min/m
2
)
PCCO
=
Pulse Contour Cardiac Output (l/min)
BSA
=
Body Surface Area (m
2
)
SV = (PCCO / HR)
x
1000
where
SV
=
Stroke Volume (ml)
PCCO
=
Pulse Contour Cardiac Output (l/min)
HR
=
Heart Rate (1/min)
'
PCCI = (PCCO
–
TDCO) / TDCO * 100%
where
'
PCCI
=
Relative Change of PCCI
PCCO
=
Pulse Contour Cardiac Output (l/min)
TDCO
=
Mean of all (selected) TDs used for PCCO-calibration (l/min)
Â
Note: The indexing factor BSA is irrelevant.
SVI = SV / BSA
where
SVI
=
Stroke Volume Index (ml/m
2
)
SV
=
Stroke Volume (ml)
BSA
=
Body Surface Area (m
2
)
