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Comparison of urine volume measured by cup and visually estimated in surgical patients

Comparison of urine volume measured by cup and visually estimated in surgical patients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600117734
Enrollment
Unknown
Registered
2026-01-28
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Urine volume

Interventions

Observational group:None

Sponsors

Affiliated Hospital of North Sichuan Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. No gender restriction; 2. Age >= 18 years; 3. Require indwelling urinary catheterization; 4. Urine collection bag is intact and has not been replaced; 5. Informed and accept the research method.

Exclusion criteria

Exclusion criteria: 1. Presence of hematuria/blood clots in the urine bag, making measurement difficult; 2. Urine bag damage/leakage.

Design outcomes

Primary

MeasureTime frame
Visual estimation of urine volume in collection bags versus measurement by graduated cylinder;—

Secondary

MeasureTime frame
Gender;Age;BMI;Surgery Duration;Intraoperative Fluid Administration Volume and Types;Blood Loss;Blood Transfusion Volume;Urine Bag Brand;Nurses‘ Years of Experience;Urine Color (Clear / Yellow / Blood-Stained);—

Countries

China

Contacts

Public ContactLi Jinjie

Affiliated Hospital of North Sichuan Medical College

277822509@qq.com+86 152 9821 3512

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 7, 2026