Healthy Clinical Trial
Official title:
The Effectiveness of the Wim Hof Method on Cardiac Autonomic Function, Blood Pressure, Arterial Compliance, and Different Psychological Parameters
Verified date | May 2023 |
Source | University of Bern |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The Wim Hof Method is a multi-disciplinary approach to physical and mental well-being combining cold exposure, breathing exercises, and meditation. This study evaluated the effects of a 15-day WHM intervention on cardiovascular parameters at rest and during a cold pressor test, as well as on various psychological parameters.
Status | Completed |
Enrollment | 42 |
Est. completion date | September 30, 2022 |
Est. primary completion date | July 30, 2022 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - Being male - No underlying health conditions - Not using antihypertensive or other cardiovascular medications - Not engaging in regular exercise training - Written informed consent Exclusion Criteria: - Having prior experience with any of the components of the intervention (breathing, meditation, or cold exposure) |
Country | Name | City | State |
---|---|---|---|
Switzerland | University of Bern | Bern |
Lead Sponsor | Collaborator |
---|---|
University of Bern |
Switzerland,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change from baseline in the mean systolic blood pressure | Participants were instructed to rest in a supine position for 10 minutes prior to the measurement. At least two readings were taken on the right upper arm, using custom-fitted arm cuffs. | 15 days | |
Primary | Change from baseline in the mean diastolic blood pressure | Participants were instructed to rest in a supine position for 10 minutes prior to the measurement. At least two readings were taken on the right upper arm, using custom-fitted arm cuffs. | 15 days | |
Secondary | Change from baseline in the mean pulse wave velocity | Participants were instructed to rest in a supine position for 10 minutes prior to the measurement. At least two readings were taken on the right upper arm, using custom-fitted arm cuffs. | 15 days | |
Secondary | Change from baseline in the mean heart rate variability | Heart rate variability (HRV) was measured using a heart rate monitor and chest strap. Participants were instructed to empty their bladder before the measurement, which was conducted after a 5-minute supine rest period with a stabilized HRV signal. The measurement consisted of a 5-minute recording of intervals between successive heartbeats at a 1000 Hz sampling rate. Participants were instructed to breathe normally, remain quiet, and maintain a calm state throughout the measurement. | 15 days | |
Secondary | Change from baseline in positive affect | The German version of the Positive and Negative Affect Schedule was used. | 15 days | |
Secondary | Change from baseline in negative affect | The German version of the Positive and Negative Affect Schedule was used. | 15 days | |
Secondary | Change in subjective vitality | The German 6-item Version of the Subjective Vitality Scale was used. | 15 days |
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