Shock
Conditions
Interventions
Gold Standard:Pulse Indicator Continuous Cardiac Output (PiCCO)
Index test:Hands-free neck doppler ultrasound
Sponsors
Department of Critical Care Medicine, Peking University First Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age greater than 18 years; 2. Admission to the Intensive Care Unit (ICU); 3. Presence of circulatory failure requiring Pulse Indicator Continuous Cardiac Output (PiCCO) monitoring; 4. Informed consent obtained from the patient or legally authorized representative
Exclusion criteria
Exclusion criteria: 1. Inability to cooperate with the completion of a neck vessel ultrasound, such as in cases of altered mental status or agitation; 2. Presence of cervical trauma or prior cervical surgery, use of a cervical collar, short neck anatomy, or severe cervical kyphosis; 3. Moderate to severe carotid artery stenosis or carotid thromboembolic disease; 4. Bilateral internal jugular or subclavian venous catheter placement; 5. Cardiac arrhythmias, particularly atrial fibrillation; 6. Echocardiographic evidence within the past month of significant mitral or tricuspid regurgitation, or right ventricular dysfunction (defined as tricuspid annular plane systolic excursion 16 mmHg), intracranial hypertension, recent lower limb surgery or trauma; 8. Strong spontaneous respiratory drive leading to irregular Doppler flow patterns in the internal jugular vein.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Carotid Arterial Velocity Time Integral (cVTI);Jugular Venous Distension Index (JVI); | — |
Countries
China
Contacts
Public ContactYan Miao
Peking University First Hospital
Outcome results
None listed