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Non-invasive, hand-held carotid Doppler ultrasound flow (CADFlow) assessment of intravascular volume status in critically ill patients: a prospective observational study

Non-invasive, hand-held carotid Doppler ultrasound flow (CADFlow) assessment of intravascular volume status in critically ill patients: a prospective observational study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400088731
Enrollment
Unknown
Registered
2024-08-26
Start date
2024-08-27
Completion date
Unknown
Last updated
2024-09-02

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

Conditions

Critically ill

Interventions

Case series:none

Sponsors

Chongqing General Hosptial
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1) Age= 18 years old; 2) Receiving invasive mechanical ventilation therapy without spontaneous breathing; 3) Indwelling internal jugular venous catheter is required due to the condition to monitor CVP to guide clinical treatment; 4) Daily serum creatinine (Cr) and hourly urine output need to be monitored due to the condition; 5) Undergo non-invasive continuous carotid artery Doppler ultrasound blood flow (CADFlow) examination; 5) Undergo bedside handheld ultrasound; 6) All patients' family members have informed consent and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1) severe carotid artery stenosis; 2) Unable to lie flat; 3) internal jugular vein thrombosis; 4) Broken neck skin; 5) After tracheostomy; 6) Receiving extracorporeal membrane oxygenation therapy; 7) Acute active hemorrhage; 8) Pregnant women; 9) cirrhosis with portal hypertension; 10) inferior vena cava or portal vein thrombosis; 11) uremia; 12) Those who refuse to participate in this study.

Design outcomes

Primary

MeasureTime frame
JVI;CVP;VExUS;

Secondary

MeasureTime frame
Urine output;serum cretinine;

Countries

China

Contacts

Public ContactJing Zhang

Chongqing General Hosptial

799138261@qq.com+86 178 4861 8796

Outcome results

None listed

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