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Decrease in pulse pressure variations after passive leg raising can predict fluid responsiveness in postoperative critically ill patients

Decrease in pulse pressure variations after passive leg raising can predict fluid responsiveness in critically ill patients

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060363
Enrollment
Unknown
Registered
2022-05-29
Start date
2022-05-18
Completion date
Unknown
Last updated
2024-05-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

acute circulatory failure

Interventions

Gold Standard:Fluid responsiveness was defined as an increase > 10% in SV (measured by TTE) after PLR maneuver
Index test:Decrease in pulse pressure variations after passive leg raising

Sponsors

The First Affiliated Hospital of Soochow University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Acute circulatory failure in patients transferred to the ICU after surgery: systolic blood pressure less than 90 mmHg, mean arterial pressure less than 65 mmHg (or need norepinephrine for maintenance); 2. Urine output is less than 0.5 ml/kg per hour and lasts for more than 2 hours; 3. Lactic acid > 2 mmol/L; 4. Tachycardia, heart rate greater than 100 beats/min; 5. Skin mottling.

Exclusion criteria

Exclusion criteria: 1. Age < 18 years old; 2. Left ventricular (LV) dysfunction (ejection fraction < 40%); 3. Intracranial hypertension, active bleeding, intra-abdominal hypertension, arrhythmia, lower limb disability; 4. Pregnant women; 5. PLR manipulation contraindications; 6. The echocardiogram cannot be obtained, and the echo is not clear.

Design outcomes

Primary

MeasureTime frame
pulse pressure variation;

Secondary

MeasureTime frame
central venous pressure;mean arterial pressure;stroke volume;

Countries

China

Contacts

Public ContactJin Xie

The First Affiliated Hospital of Soochow University

xiejin728310@163.com+86 15806215256

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026