The effect of fasting duration on the circulating blood volume

The effect of fasting duration on the circulating blood volume - The effect of fasting duration on the circulating blood volume

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005696

Enrollment

160

Registered

2011-06-06

Start date

2011-06-01

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

Patients undergoing elective surgery under general anesthesia

Interventions

Stroke volume variation of 2-hour fast is measured with FloTracTM to estimate the circulating blood volume Stroke volume variation of 4-hour fast is measured with FloTracTM to estimate the circulating

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing elective surgery, who met the criteria of the American Society of Anesthesiologists physical status of 1-2

Exclusion criteria

Exclusion criteria: ASA physical status >=3, Obesity (BMI>30), Height>=185cm, Weight>=80Kg, Age>70 and <20

Design outcomes

Primary

Measure	Time frame
To compare the stroke volume variation of 2-hour fast with that of 4-hour fast to confirm the effect of fast duration on the circulating blood volume	—

Secondary

Measure	Time frame
To assess the quantitative fluid deficits for optimal circulating blood volume	—

Countries

Japan

Contacts

Public ContactYoshihito Fujita

Nagoya City University Graduate School of Medical Sciences Department of Anesthesiology and Medical Crisis Management

fujitayoshihito@yahoo.co.jp052-851-5511

Outcome results

None listed

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