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A Study on the Correlation between Perioperative Circulatory Volume and Microcirculation Perfusion Assessed by Capillary Refill Time Based on Automated Monitoring

A Study on the Correlation between Perioperative Circulatory Volume and Microcirculation Perfusion Assessed by Capillary Refill Time Based on Automated Monitoring

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600123793
Enrollment
Unknown
Registered
2026-04-29
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-05-04

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

Conditions

Capillary Refill Time, CRT

Interventions

Observation group:None

Sponsors

The first affiliated hostipal of nanchang university
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >= 18 years old;2. ASA classification between 1 and 4 grades;3. Estimated operation duration >= 120 minutes;4. Blood loss greater than 100 ml.

Exclusion criteria

Exclusion criteria: 1. Known neurovascular or peripheral arterial occlusive diseases; 2. Hypothermia, pigmentation of the extremities (affecting observation); 3. Refusal to participate in the study; 4. Pregnancy; 5. Minor abdominal surgery.

Design outcomes

Primary

MeasureTime frame
Capillary reperfusion time;—

Secondary

MeasureTime frame
Mean arterial pressure, stroke volume variability;Central venous oxygen saturation;Non-invasive perfusion index (PPI), urine output (mL/h);—

Countries

China

Contacts

Public ContactXiaoping Zhu

The first affiliated hostipal of nanchang university

13907915506@163.com+86 791 86319437

Outcome results

None listed

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