Choroidal Blood Flow Changes After Skin Warming
Author Information
Author(s): Muacevic Alexander, Adler John R, Ujita Chihiro, Hashimoto Yuki, Noguchi Kota, Nakamura Nao, Yoshimura Miki, Ichiki Sarari, Uehara Moka, Nakazaki Aimi, Taniguchi Takanori, Yoshitomi Takeshi
Primary Institution: Fukuoka International University of Health and Welfare, Fukuoka, JPN
Hypothesis
Does periocular skin warming at 40°C affect choroidal circulation hemodynamics?
Conclusion
Periocular skin warming reduces systemic circulatory activity and choroidal blood flow velocity in healthy individuals.
Supporting Evidence
- Choroidal blood flow velocity decreased significantly after periocular skin warming.
- Systolic and diastolic blood pressure, heart rate, and sympathetic nerve activity also decreased.
- Choroidal thickness increased significantly after warming.
Takeaway
Warming the skin around the eyes can help blood flow in the eyes by making the body relax.
Methodology
The study measured changes in choroidal circulation hemodynamics using laser speckle flowgraphy after warming the periocular skin of 24 healthy participants.
Potential Biases
Potential bias due to the lack of randomization and absence of a control group.
Limitations
The study lacked a control group and had a small sample size, which may affect the generalizability of the results.
Participant Demographics
24 healthy young Japanese adults, 18 women and 6 men, mean age 21.0 years.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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