Contrast-enhanced ultrasound to evaluate effect of fluid challenge on renal perfusion in acute oliguric ICU patients

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100046477

Enrollment

Unknown

Registered

2021-05-16

Start date

2021-05-11

Completion date

Unknown

Last updated

2022-01-04

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

Conditions

Acute oliguria

Interventions

case series:Fluid challenge

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. The consecutive patients admitted to ICU; 2. Urine output < 0.5ml/(kg·h)for 2 to 6 hours.

Exclusion criteria

Exclusion criteria: 1. Patients under 18 years old; 2. Fluid challenge intolerance due to acute volume overload judged by physicians; 3. Obstruction of the urinary tract; 4. Patients treated with diuretics from 12 hours before FC to study endpoint; 5. Blood sugar leve > l8.8mmol/L; 6. Serum [Na+] > 145mmol/L; 7. The dose of vasopressors or neotropics changed during the study; 8. Patients with chronic kidney disease; 9. Patients with cirrhosis; 10. Pregnancy or lactation; 11. Moribund patients.

Design outcomes

Primary

Measure	Time frame
The increase of urine output;	—

Countries

China

Contacts

Public ContactLi Wenxiong

Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China

lwx7115@sina.com+86 13601097813

Outcome results

None listed

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