Effects of an increase and a decrease in cardiac filling pressure on muscle and skin sympathetic nerve activity during passive warming in humans

Effects of an increase and a decrease in cardiac filling pressure on muscle and skin sympathetic nerve activity during passive warming in humans - Muscle and skin sympathetic nerve activity during Valsalva's maneuver or continuous negative-pressure breathing

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003887

Enrollment

Registered

2014-07-08

Start date

2010-07-05

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

Heat stroke

Interventions

Passive heating Valsalva&#39

s maneuver Continuos negative-pressure breathing

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Male subjects who desire to participate by voluntary agreement.

Exclusion criteria

Exclusion criteria: #1. History of hepatic, thyroid, renal, metabolic, cardiovascular, or pulmonary diseases. #2. To take any medicines regularly. #3. History of smoking within a year. #4. Abnormal ECG #5. Sytolic or diastolic blood pressures over 130 mmHg or 85 mmHg #6. Persons who should be excluded from the present study by doctor's judgement.

Design outcomes

Primary

Measure	Time frame
Skin sympathetic nerve activity and skin blood flow during Valsalva's maneuver and continuos negative-pressure breathing.	—

Countries

Japan

Contacts

Public ContactYoshi-ichiro Kamijo

Shinshu University Graduate School of Medicine Department of Sports Medical Sciences, Institute of Pathogenesis and Disease Prevention

yoshikmj@shinshu-u.ac.jp0263-37-2682

Outcome results

None listed

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