Evidence map›Paper›PMID 29269746›Full record

Trial reportJournal of human hypertension2018

Acute effects of sauna bathing on cardiovascular function.

Tanjaniina Laukkanen, Setor K Kunutsor, Francesco Zaccardi, Earric Lee, Peter Willeit, Hassan Khan, Jari A Laukkanen

Registry-linked trialOpen access · greenAbstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Journal of human hypertension, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04556422 (Standalone Sauna Versus Exercise Followed by Sauna on Cardiovascular Function in Non-naïve Sauna Users), which is not on this map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 pooled it
5.1field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04556422 nacompletednot on this map

Standalone Sauna Versus Exercise Followed by Sauna on Cardiovascular Function in Non-naïve Sauna Users

TypeinterventionalSponsorUniversity of JyvaskylaRan2018 to 2018Enrolled72ConditionsCardiovascular Risk Factor, Blood Pressure, Arterial StiffnessArmsAerobic exercise, Sauna bathing
3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 1 synthesis or guideline pooled it, 85 citations in OpenAlex.

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  19. Serum copper-to-zinc ratio and risk of incident pneumonia in caucasian men: a prospective cohort study.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 6 institutions in 4 countries.

Tanjaniina LaukkanenInstitute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.
Setor K KunutsorTranslational Health Sciences, Bristol Medical School, University of Bristol, Learning and Research 11 Building (Level 1), Southmead Hospital, Bristol, UK.
Francesco ZaccardiDiabetes Research Centre, Leicester General Hospital, University of Leicester, Leicester, UK.ORCID 0000-0002-2636-6487
Earric LeeDepartment of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland.ORCID 0000-0003-3490-4262
Peter WilleitDepartment of Public Health and Primary Care, University of Cambridge, Cambridge, UK.ORCID 0000-0002-1866-7159
Hassan KhanEmory University, Atlanta, GA, USA.
Jari A LaukkanenInstitute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland. jariantero.laukkanen@uef.fi.ORCID 0000-0002-3738-1586
University of Eastern Finland · FIEmory University · USInnsbruck Medical University · ATSouthmead Hospital · GBUniversity of Jyväskylä · FIUniversity of Leicester · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

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.

Indexed as

Blood PressureSteam BathVascular StiffnessAdultBiomarkersBody TemperatureCardiovascular DiseasesFemaleHeart RateHumansMaleMiddle AgedBiomarkers

Identifiers

PMID29269746
OpenAlexW2773581445

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.