Goal-directed Fluid Therapy in Elderly Patients Undergoing Lumbar Surgery
Lactate Blood Increase, Fluid Overload, Postoperative Complications
About this trial
This is an interventional prevention trial for Lactate Blood Increase focused on measuring goal-directed fluid therapy, lactate acid level, postoperative complications, elderly patient, prone position, intraoperative hemodynamics
Eligibility Criteria
Inclusion Criteria:
- age > 60 years, American Society of Anesthesiologists score II-III, and expected duration of operation > 2 h
Exclusion Criteria:
- Patients with severe cardiac arrhythmia (which would affect the accuracy of stroke volume variation as an indicator of fluid responsiveness), vascular disease (which would prohibit radial artery cannulation), and mental disorder were excluded
Sites / Locations
- Peking Union Medical College Hospital
Arms of the Study
Arm 1
Arm 2
Experimental
No Intervention
GDT group
Control group
The fluid in GDT group (Goal-directed fluid therapy) will be administered based upon real-time monitoring stroke volume variation and cardiac output achieved by the LiDCO monitoring system.
Patients in the control group received conventional fluid therapy, decided by the attending anesthesiologists based on the patient's hemodynamic condition and responses, to maintain MAP >65 mm Hg, heart rate 50-100 bpm, and urine output >0.5 ml/kg/h.