A Study on the Cerebral Blood Flow Changes according to Controlled Pressure Changes of Valsalva Maneuver

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0009742

Enrollment

Registered

2024-08-30

Start date

2024-09-01

Completion date

Unknown

Last updated

2025-12-08

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

Conditions

None listed

Interventions

Behavioral : Single-group cross sectional study to measure hemodynamic variables at various pressures. Check the changes in hemodynamic variables through Valsalva Maneuver. The Valsalva technique show

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Health adults without neurosurgical and respiratory disorders (age 19 to 40).

Exclusion criteria

Exclusion criteria: Those who have a medical history (cerebrovascular, cardiovascular, respiratory and neurophysiological diseases).

Design outcomes

Primary

Measure	Time frame
Common carotid artery blood vessel diameter measurement;Common carotid artery blood velocity measurement;Vital signs (Heart rate, Blood oxygen saturation);Cerebral oxyhemoglobin and deoxyhemoglobin	—

Secondary

Measure	Time frame
Maximum expiratory pressure;Maximum pressure that can be maintained for 15 seconds	—

Countries

Korea, Republic of

Contacts

Public ContactDa-Eun Lee

Gachon University

ekdmsekdms183@naver.com+82-32-820-4765

Outcome results