Acute Effects of Cold Exposure on Cardiovascular System
Acute Effects of Cold Exposure on Cardiovascular System and Potential Mechanism in Healthy Young Adults: A Randomized Controlled Study
Fudan University
40 participants
Oct 16, 2024
INTERVENTIONAL
Conditions
Summary
This is a randomized controlled human exposure crossover study. Investigators aim to assess the acute effects of low temperature exposure on cardiovascular system and the underlying mechanisms.
Eligibility
Inclusion Criteria5
- Living in Shanghai during the study period;
- Body mass index \> 18.5 and ≤ 28;
- Right-handed;
- Receiving or having received higher education;
- With the ability to read and understand Chinese smoothly.
Exclusion Criteria10
- Smoking and alcohol abuse;
- Current drug and dietary supplements intake;
- Subjects with allergic diseases, such as allergic rhinitis, allergic asthma, and atopy;
- Subjects with cardiovascular diseases, such as congenital heart disease, pulmonary heart disease, and hypertension;
- Subjects with respiratory diseases, such as asthma, chronic bronchitis, and chronic obstructive pulmonary disease;
- Subjects with chronic diseases, such as diabetes, chronic hepatitis, and kidney disease;
- Subjects who have a history of major surgery due to cardiovascular, cerebrovascular, respiratory, or neurological diseases;
- Subjects with neurologic disorders, such as stroke, traumatic brain injury, epilepsy, and schizophrenia;
- Abnormal spirometry (FEV1 and FVC ≤ 75% of predicted and FEV1/FVC ≤ 0.65);
- Subjects with color vision disabilities.
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Interventions
The exposure group will be exposed to low temperature (15°C) in a chamber for about 2 hours, resting during the whole periods.
The exposure group will be exposed to thermoneutral temperature (22°C) in a chamber for about 2 hours, resting during the whole periods.
Locations(1)
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NCT06652425