Hypotension associated with lower limb tourniquets
Conditions
Interventions
Observation group:None
Sponsors
General Hospital Of Eastern Theater Command
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients expected to undergo surgery entirely under intravenous anesthesia; 2. ASA I or II; 3. Age 18-65 years; 4. 15 kg/m^2 < BMI < 30 kg/m^2.
Exclusion criteria
Exclusion criteria: 1. Non-sinus rhythm; 2. Preoperative use of a- and ß-blockers; 3. MAP >120 mmHg before anesthesia induction; 4. Thyroid dysfunction; 5. Surgery duration 120 min; 6. Lateral or prone position surgery; 7. History of overt heart failure; 8. History of myocardial infarction; 9. Left ventricular ejection fraction <50%; 10. Cardiac valvular disease or cardiomyopathy; 11. Massive intraoperative bleeding.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Heart rate deceleration capacity;Heart rate variability;Mean Arterial Pressure at Baseline;Baseline Heart Rate;Heart Rate at Lowest Mean Arterial Pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Minimum Mean Arterial Pressure; | — |
Countries
China
Contacts
Public ContactKangli Hui
General Hospital Of Eastern Theater Command
Outcome results
None listed