The impact of induction anesthesia on the accuracy of non-invasive continuos hemoglobin measurement

The impact of induction anesthesia on the accuracy of non-invasive continuos hemoglobin measurement - Induction of anesthesia and the accuracy of non-invasive continuous hemoglobinmeasurement

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011231

Enrollment

Registered

2013-07-19

Start date

2013-07-20

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

Patients who need an operation under fgeneral anesthesia

Interventions

Continuous infusion of phenylephrine (0.5mcg/kg/min) during induction of anesthesia No drug infusion

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients aged >= 20 years to =< 80 years at informed consent 2. Patients who need an operation under general anesthesia 3. ASA 1 or 2

Exclusion criteria

Exclusion criteria: 1. Past history of hypertension 2. Past history of intra cerebral hemorrhage 3. Past history of cerebral aneurysm and thoracic or abdominal aortic aneurysm 4. Past history of hypersensitivity for Phenylephrine

Design outcomes

Primary

Measure	Time frame
The difference between non-invasive continuous hemoglobin (SpHb) and hemoglobin before and after induction of anesthesia	—

Countries

Japan

Contacts

Public ContactJunichi Saito

Hirisaki University Graduate School of Medicine Department of Anesthesiology

fix-you@hotmail.co.jp0172-33-5111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026