Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.
Translational Health Sciences, Bristol Medical School, University of Bristol, Learning and Research 11 Building (Level 1), Southmead Hospital, Bristol, UK.
J Hum Hypertens. 2018 Feb;32(2):129-138. doi: 10.1038/s41371-017-0008-z. Epub 2017 Dec 21.
Emerging evidence suggests beneficial effects of sauna bathing on the cardiovascular system. However, the effects of sauna bathing on parameters of cardiovascular function and blood-based biomarkers are uncertain. We aimed to investigate whether sauna bathing induces changes in arterial stiffness, blood pressure (BP), and several blood-based biomarkers. We conducted an experimental study including 102 participants (mean age (SD): 51.9 (9.2) years, 56% male) who had at least one cardiovascular risk factor. Participants were exposed to a single sauna session (duration: 30 min; temperature: 73 °C; humidity: 10-20%). Cardiovascular as well as blood-based parameters were collected before, immediately after, and after 30-min recovery. Mean carotid-femoral pulse wave velocity was 9.8 (2.4) m/s before sauna and decreased to 8.6 (1.6) m/s immediately after sauna (p < 0.0001). Mean systolic BP decreased after sauna exposure from 137 (16) to 130 (14) mmHg (p < 0.0001) and diastolic BP from 82 (10) to 75 (9) mmHg (p < 0.0001). Systolic BP after 30 min recovery remained lower compared to pre-sauna levels. There were significant changes in hematological variables during sauna bathing. Plasma creatinine levels increased slightly from sauna until recovery period, whereas sodium and potassium levels remained constant. This study demonstrates that sauna bathing for 30 min has beneficial effects on arterial stiffness, BP, and some blood-based biomarkers. These findings may provide new insights underlying the emerging associations between sauna bathing and reduced risk of cardiovascular outcomes.
新出现的证据表明，桑拿浴对心血管系统有有益的影响。然而，桑拿浴对心血管功能参数和血液生物标志物的影响尚不确定。我们旨在研究桑拿浴是否会引起动脉僵硬、血压（BP）和几种血液生物标志物的变化。我们进行了一项实验研究，包括 102 名参与者（平均年龄（SD）：51.9（9.2）岁，56%为男性），他们至少有一个心血管危险因素。参与者接受了一次单次桑拿浴（持续时间：30 分钟；温度：73°C；湿度：10-20%）。在桑拿浴前、桑拿浴后立即以及 30 分钟恢复后收集心血管和血液参数。颈动脉-股动脉脉搏波速度在桑拿浴前为 9.8（2.4）m/s，桑拿浴后立即降至 8.6（1.6）m/s（p<0.0001）。平均收缩压在桑拿浴后从 137（16）mmHg 降至 130（14）mmHg（p<0.0001），舒张压从 82（10）mmHg 降至 75（9）mmHg（p<0.0001）。桑拿浴后 30 分钟的收缩压仍低于桑拿浴前水平。在桑拿浴期间，血液学变量发生了显著变化。血浆肌酐水平从桑拿浴到恢复期间略有升高，而钠和钾水平保持不变。本研究表明，桑拿浴 30 分钟对动脉僵硬、BP 和一些血液生物标志物有有益的影响。这些发现可能为桑拿浴与降低心血管结局风险之间新出现的关联提供新的见解。
