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Rearch on measurement of nociception during intubation based on photoplethysmorgraphic pulse wave

A novel photoplethysmographic variable (area difference ratio) for assessing nociceptive balance during laryngoscopy and intubation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-OCC-12002843
Enrollment
Unknown
Registered
2012-11-28
Start date
2011-01-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

nociception

Interventions

Gold Standard:
Index test:

Sponsors

Women‘s hospital, School of Medicine, Zhejiang University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 18-60 years old, ASA I or II, body mass index < 30kg m-2

Exclusion criteria

Exclusion criteria: Patients with nervous system disease (e.g. neurological disorders, head injury, seizure disorders) or cardiovascular disease, chronic use of psychoactive medication or abuse of alcohol or illicit drugs, and any clinical significant renal, hepatic, or endocrine disorders were excluded

Design outcomes

Primary

MeasureTime frame
area difference ratio;PPG amplitude (PPGA),;pulse rate interval (PBI);decay time constant(RC);—

Countries

China

Contacts

Public Contactchenxinzhong
chenxinz@zju.edu.cn+86 0571-89992041

Outcome results

None listed

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