Acute effects of Finnish sauna and cold-water immersion on haemodynamic variables and autonomic nervous system activity in patients with heart failure
Radtke T, Poerschke D, Wilhelm M, Trachsel LD, Tschanz H, Matter F, Jauslin D, Saner H, Schmid JP
European journal of preventive cardiology · 41 citas
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Cómo se estudió
- Diseño
- Ensayo clínico controlado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2015-07-07 · Eur J Prev Cardiol · vol. 23 · número 6 · págs. 593–601
- Editorial
- Oxford University Press
- Citado
- 58 citas · más que el 93% de estudios similares · 3.7× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 27 trabajos
- Acceso
- De pago
- Áreas de investigación
- Thermoregulation and physiological responses · High Altitude and Hypoxia · Cardiovascular and exercise physiology
- Palabras clave
- Medicine, Autonomic nervous system, Hemodynamics, Heart failure, Cardiology, Internal medicine, Anesthesia, Heart rate, Blood pressure
- MeSH
- heart, sympathetic nervous system, humans, chronic disease, water, cardiac output, treatment outcome, steam bath, immersion, blood pressure, heart rate, time factors, aged, middle aged, switzerland, male, coronary artery disease, heart failure, hemodynamics, cold temperature
9 autores
- Thomas Radtke🇨🇭University of Bern
- Daniel Poerschke🇨🇭University of Bern
- Matthias Wilhelm🇨🇭University of Bern
- Lukas D. Trachsel🇨🇭University of Bern
- Hansueli Tschanz🇨🇭Berner Augenklinik am Lindenhofspital
- Friederike Matter🇨🇭Berner Augenklinik am Lindenhofspital
- Daniel Jauslin🇨🇭University of Bern
- Hugo E. Saner🇨🇭University of Bern
- Jean‐Paul Schmid🇨🇭 · autor de correspondenciaUniversity of Bern
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
The haemodynamic response to Finnish sauna and subsequent cold-water immersion in heart failure patients is unknown.
Methods
Haemodynamic response to two consecutive Finnish sauna (80℃) exposures, followed by a final head-out cold-water immersion (12℃) was measured in 37 male participants: chronic heart failure (n = 12, 61.8 ± 9.2 years), coronary artery disease (n = 13, 61.2 ± 10.6 years) and control subjects (n = 12, 60.9 ± 8.9 years). Cardiac output was measured non-invasively with an inert gas rebreathing method prior to and immediately after the first sauna exposure and after cold-water immersion, respectively. Blood pressure was measured before, twice during and after sauna. The autonomic nervous system was assessed by power spectral analysis of heart rate variability. Total power, low-frequency and high-frequency components were evaluated. The low frequency/high frequency ratio was used as a marker of sympathovagal balance. Sauna and cold-water immersion were well tolerated by all subjects.
Results
Cardiac output and heart rate significantly increased in all groups after sauna and cold-water immersion (p < 0.05), except for coronary artery disease patients after sauna exposure. Systolic blood pressure during sauna decreased significantly in all groups with a nadir after 6 min (all p < 0.05). Cold-water immersion significantly increased systolic blood pressure in all groups (p < 0.05). No change in the low/high frequency ratio was found in chronic heart failure patients. In coronary artery disease patients and controls a prolonged increase in low frequency/high frequency ratio was observed after the first sauna exposure.
Conclusions
Acute exposure to Finnish sauna and cold-water immersion causes haemodynamic alterations in chronic heart failure patients similarly to control subjects and in particular did not provoke an excessive increase in adrenergic activity or complex arrhythmias.
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