None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Healthy volunteers aged 18-50 years old; 2.Uniform skin color distribution (can be classified into types I-IV according to Fitzpatrick skin type); 3.Understand the clinical trial, voluntarily participate and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Lesions, trauma, severe pigmentation or application of nail polish exist at the measurement site (finger/ nail bed); 2.Suffering from severe peripheral vascular diseases, Raynaud's syndrome or known microcirculation disorders; 3.Recently taking vasoactive drugs (such as antihypertensive drugs, cold medicines); 4.The skin temperature at the measurement site is too low (e.g. < 26?);
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Capillary reperfusion time; | — |
Countries
China
Contacts
The First Affiliated Hospital of Nanchang University