Comparison between peripheral perfusion index and nailfold microcirculation: a single-center prospective observational study

Comparison between peripheral perfusion index and nailfold microcirculation: a single-center prospective observational study - Comparison between peripheral perfusion index and nailfold microcirculation: a single-center prospective observational study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060795

Enrollment

Registered

2026-03-10

Start date

2026-03-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Healthy adults

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Healthy adults (staff of Department of Anesthesiology, operating room nurses, and clinical engineers at Nagasaki University Hospital). 2. Able to provide written informed consent.

Exclusion criteria

Exclusion criteria: 1. Nail polish or other decorations on fingers. 2. Current smoker. 3. Underlying disease under active treatment. 4. People without cuticles

Design outcomes

Primary

Measure	Time frame
Correlation (Pearson r with 95% CI) between PAI/PI and simultaneously measured nailfold capillary blood flow velocity and capillary diameter under each temperature condition (16 C, 22 C, 28 C).	—

Secondary

Measure	Time frame
Regression-based conversion equations between PAI and PI	—

Countries

Japan

Contacts

Public ContactTAKAYUKI MORIMOTO

Nagasaki University Hospital Department of Anesthesiology

tmorimoto@nagasaki-u.ac.jp095-819-7370

Outcome results