Measurement of microcirculation perfusion state based on photovolumetric pulse wave analysis
- Conditions
- none
- Registration Number
- ChiCTR2400088872
- Lead Sponsor
- West China Hospital of Sichuan University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- All
- Target Recruitment
- Not specified
(1) Age = 18 years and = 55 years <br>(2) The ASA is graded I-III<br>(3) BMI = 19kg/m2, and = 24kg/m2 <br>(4) Patients who require dynamic blood pressure monitoring due to perioperative monitoring, surgery, etc
(1) Patients with symptoms or signs of hemodynamic instability and pathological arrhythmia.<br>(2) abnormal coagulation function (increased capillary fragility or capillary refilling time = 3s, previously diagnosed coagulation dysfunction) or peripheral vascular diseases such as Raynaud syndrome<br>(3) Excessive or low body temperature (forehead temperature > 37.8 ° C, or < 35.8 ° C)<br>(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.)
Study & Design
- Study Type
- Interventional study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 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 Outcome Measures
Name Time Method Age;Gender;Body Mass Index (BMI);Heart rate;Initial fingertip pulse oximetry;Hemoglobin concentration;