None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) ASA class I-IV (under 70 years old) – Refer to ASA (American society of anesthesiologist) classification 2) Patients undergoing general anesthesia + spine surgery with prone position 3) Patients who have at least one of the following clinical signs after completion of anesthesia induction (Hypotensive, preload-dependent patients) I. Mean arterial pressure(MAP)10%
Exclusion criteria
Exclusion criteria: 1) 70 years or older 2) patients with radial artery malformation; 3) Patients with body mass index (BMI) >30 or <15kg/m2 4) Patients with heart disease (valvular disease or Left ventricular ejection fraction (LVEF)<50% and arrythmia) 5) Patients with lung disease 6) Patients unable to mount the radial artery catheter (arm save); - Patients on dialysis for ESRD or who will be on dialysis -Patients with a history of breast cancer surgery 7) Patients with kidney disease 8) Patients with unstable hemodynamic signs 9) Emergency surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| dynamic arterial elastance | — |
Secondary
| Measure | Time frame |
|---|---|
| Arterial load assessment(systemic vascular resistance, net arterial compliance, effective arterial elastance) | — |
Countries
Korea, Republic of
Contacts
Kangbuk Samsung Medical Center