Management of cesarean section in a patient with Fontan circulation: a case report of dramatic reduction of maternal oxygen consumption after delivery

JA Clinical Reports

Table 1 Perioperative hemodynamic parameters

Status	Before anesthesia		After anesthesia induction		After delivery
Oxygen (L/min)	None	5	5	5	5	5
ABP (s/d) (mm Hg)	132/65	137/73	109/53	122/60	124/59	117/52
HR (/min)	75	76	71	65	66	69
SaO₂ (%)	92	98	97	95	95	95
ScvO₂ (%)	52.2	54.6	38.6	42.1	67.3	58.7
CI (L/min/m²)	4.69	4.12	4.5	4.44	4.44	4.44
CO (L/min)	7.02	6.16	6.73	6.64	6.64	6.64
SV (mL)	98	85	100	107	106	101
CVP (mm Hg)	10	9	9	9	11	9
Hb (g/dL)	10.5	10.4	10.3	9.8	10.4	10.3
VO₂ (mL/min)	393	373	543	461	256	333

VO₂ (mL/min) = 1.34 × Hb (g/dL) × (SaO₂ − ScvO₂) × CO (L/min) × 10
Abbreviations: ABP(s/d) arterial blood pressure (systolic/diastolic), CI cardiac index, CO cardiac output, CVP central venous pressure, Hb hemoglobin, HR heart rate, SaO₂ arterial oxygen saturation, ScvO₂ central venous oxygen saturation, SV stroke volume, VO₂ oxygen consumption