acute circulatory failure
Conditions
Interventions
Gold Standard:Patients in whom volume expansion (inject 500mL crystal solution within 15 minutes) increased cardiac index by more than 15 % were defined as "volume responders" and the remaining ones a
Index test:Unilateral 
test 
Sponsors
Fudan University Shanghai Cancer Center
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Over 18 years old; 2. Tachycardia, mean arterial pressure 12%, central venous pressure or right atrial pressure <5 mmHg, mixed venous oxygen saturation <70%; 3. According to the patient's gender, age, and body temperature, the actual cardiac output is lower than expected.
Exclusion criteria
Exclusion criteria: 1. Increased intra-abdominal pressure of the patient; 2. Arrhythmia, pulmonary hypertension, severe heart valve disease, severe thoracic aortic anatomy; 3. Use external cardiac pacemaker, head trauma; 4. Patients with severe heart failure, patients who wear thrombus elastic stockings; 5. Patients who do not cooperate, the investigator believes that they are not suitable for selection; 6. Those who are not suitable for entry into the group for other reasons, such as patients with clear hemorrhage or active bleeding, and patients who need immediate rescue.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| blood pressure;mean arterial pressure;systolic blood pressure;diastolic blood pressure;heart rate;cardiac index;central venous pressure;stroke volume variation;stroke volume index;pulse pressure variation; | — |
Secondary
| Measure | Time frame |
|---|---|
| SOFA score;APACHE II score; | — |
Countries
China
Contacts
Public ContactZhu Biao
Fudan University Shanghai Cancer Center
Outcome results
None listed