Hypotension
Conditions
Interventions
Experimental group :Fluid administration protocol guided by IVC-CI:
If IVC-CI > 40%: Administer a 3 ml/kg bolus over 5-10 minutes. Re-measure IVC-CI 5 minutes after completion of the fluid bolus.
If I
Control group:IVC-CI was measured and recorded at the same time point as the experimental group, but the infusion was not based on IVC-CI. Lactated Ringer's sodium was infused at the rate of 4 ml·kg-1
Sponsors
Yanan University Affiliated Hospital
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: 1,Voluntarily sign the informed consent form; 2.Age >= 65 years; 3.Scheduled for elective painless gastrointestinal endoscopy; 4.ASA physical status classification II-III; 5.Preoperative fasting for >= 8 hours and clear fluid restriction for >= 4 hours.
Exclusion criteria
Exclusion criteria: 1.Cardiac insufficiency (NYHA class III–IV); 2.Anticipated difficult airway; 3.Gastrointestinal obstruction, delayed gastric emptying, or high risk of reflux; 4.Communication disorders or dementia; 5.Inadequate bowel preparation; 6.Inability to obtain a clear ultrasonographic view of the inferior vena cava; 7.Current participation in another interventional clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Quality of recovery, QoR-15;Incidence of hypotension; | — |
Secondary
| Measure | Time frame |
|---|---|
| Demographic and baseline characteristics were collected, including sex, age, weight, height, body mass index (BMI), history of allergy, past medical history, underlying comorbidities, alcohol consumption history, smoking history, and cardiopulmonary function.;blood pressure;Heart rate;Oxygen saturation of the finger pulse, Spo2;Vasoactive agent consumption;Safety outcomes; | — |
Countries
China
Contacts
Public ContactLiu Arong
Yanan University Affiliated Hospital
Outcome results
None listed