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Measurement of microcirculation perfusion state based on photovolumetric pulse wave analysis

Measurement of microcirculation perfusion state based on photovolumetric pulse wave analysis

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400088872
Enrollment
Unknown
Registered
2024-08-28
Start date
2024-09-01
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

none

Interventions

Measurement group:The invasive blood pressure of the radial artery was changed by gradually applying pressure to the proximal end of the radial artery catheterization, and the invasive blood pressure

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: (1) Age = 18 years and = 55 years (2) The ASA is graded I-III (3) BMI = 19kg/m2, and = 24kg/m2 (4) Patients who require dynamic blood pressure monitoring due to perioperative monitoring, surgery, etc

Exclusion criteria

Exclusion criteria: (1) Patients with symptoms or signs of hemodynamic instability and pathological arrhythmia. (2) abnormal coagulation function (increased capillary fragility or capillary refilling time = 3s, previously diagnosed coagulation dysfunction) or peripheral vascular diseases such as Raynaud syndrome (3) Excessive or low body temperature (forehead temperature > 37.8 ° C, or < 35.8 ° C) (4) The measurement conditions are not met (the tissue at the measurement site has thick cocoons, nail polish is applied, finger amputation surgery has been received, the skin tone is darker than most people, and the Allen test is positive, etc.)

Design outcomes

Primary

MeasureTime frame
AC component;DC component;Peripheral perfusion index;Critical opening pressure;Invasive radial artery systolic blood pressure;Invasive radial artery diastolic pressure;Invasive radial artery mean arterial pressure;

Secondary

MeasureTime frame
Age;Gender;Body Mass Index (BMI);Heart rate;Initial fingertip pulse oximetry;Hemoglobin concentration;

Countries

China

Contacts

Public ContactLing Peng

West China Hospital of Sichuan University

penglingjq@163.com+86 150 0286 9535

Outcome results

None listed

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