Study: NCT02701582

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Phenylephrine
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \< 13 and Cardiac Index is \>=2.2 Phenylephrine is administered

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Phenylephrine
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \< 13 and Cardiac Index is \>=2.2 Phenylephrine is administered

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Epinephrine
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \< 13 and Cardiac Index is \< 2.2 Epinephrine is administered

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Epinephrine
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \< 13 and Cardiac Index is \< 2.2 Epinephrine is administered

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Albumin
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Albumin
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Voluven
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Voluven
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Normal Saline
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Normal Saline
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Packed Red Blood Cells
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Packed Red Blood Cells
Description: if Mean arterial pressure (MAP) is \< = 65, Stroke volume variation (SVV) \> = 13, fluids are administered --OR-- if Mean arterial pressure (MAP) is \> 65, Stroke volume variation (SVV) \> = 13 and Cardiac Index is \<2.2 fluids are administered.

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: FloTrac Monitor
Description: FloTrac monitor is connected for all patients, but only visible to the anesthesiologist for half. Based on a decision tree and the data from monitor, choices of interventions are used.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: FloTrac Monitor
Description: FloTrac monitor is connected for all patients, but only visible to the anesthesiologist for half. Based on a decision tree and the data from monitor, choices of interventions are used.