Status:
NOT_YET_RECRUITING
Ultrasound of the Inferior Vena Cava in the Prevention of Hypotension After Induction of General Anesthesia
Lead Sponsor:
Zhuan Zhang
Conditions:
Elderly Patients Undergoing Elective Non-cardiac Surgery
Eligibility:
All Genders
65-85 years
Brief Summary
Based on the preoperative ultrasound detection of various parametric indicators of the inferior vena cava cross-section, including the ratio of the inferior vena cava's long and short axes, cross-sect...
Eligibility Criteria
Inclusion
- Elderly patients undergoing elective non-cardiac surgery under general anesthesia;
- Age 65-85 years old;
- Body mass index (BMI) 18-28 kg/m2;
- American society of anesthesiologists (ASA) class I-III.
Exclusion
- Patient refusal or lack of cooperation;
- Inability to communicate properly;
- Severe sinus bradycardia, pacemaker implantation, atrioventricular block, and atrial fibrillation;
- Presence of severe hepatic and renal function abnormalities;
- Preoperative cardiac ultrasound suggesting LVEF \<50%;
- Tricuspid valve displacement \<16 mm by preoperative cardiac ultrasound;
- Chronic obstructive pulmonary disease;
- Pulmonary hypertension;
- Administration of drugs that inhibit the renin-angiotensin-aldosterone system;
- Possibility of a difficult airway.
Key Trial Info
Start Date :
September 1 2024
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
March 31 2025
Estimated Enrollment :
100 Patients enrolled
Trial Details
Trial ID
NCT06530901
Start Date
September 1 2024
End Date
March 31 2025
Last Update
August 5 2024
Active Locations (1)
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1
the Affiliated Hospital of Yangzhou University, Yangzhou University
Yangzhou, Jiangsu, China