ArticleEuropean journal of applied physiology2018
Heart rate variability and plasma nephrines in the evaluation of heat acclimatisation status.
Article in European journal of applied physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled 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.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Quantifying Exercise Heat Acclimatisation in Athletes and Military Personnel: A Systematic Review and Meta-analysis.Sports medicine (Auckland, N.Z.) · 2024Pooled it
- Trial
- Seven days of mixed-method heat acclimation improved markers of cardiovascular and fluid-regulatory strain during exercise-heat stress.Experimental physiology · 2025Article
- Molecular biomarkers for assessing the heat-adapted phenotype: a narrative scoping review.The journal of physiological sciences : JPS · 2023Article
- Sex differences in adaptation to intermittent post-exercise sauna bathing in trained middle-distance runners.Sports medicine - open · 2021Article
- Echocardiographic changes following active heat acclimation.Journal of thermal biology · 2020Article
- Impacts of previous heatstroke history on physiological parameters eHSP72 and biomarkers of oxidative stress in military working dogs.Cell stress & chaperones · 2019Article
- Heat Adaptation in Military Personnel: Mitigating Risk, Maximizing Performance.Frontiers in physiology · 2019Review
- Heat acclimatization blunts copeptin responses to hypertonicity from dehydrating exercise in humans.Physiological reports · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeHeat adaptation (HA) is critical to performance and health in a hot environment. Transition from short-term heat acclimatisation (STHA) to long-term heat acclimatisation (LTHA) is characterised by decreased autonomic disturbance and increased protection from thermal injury. A standard heat tolerance test (HTT) is recommended for validating exercise performance status, but any role in distinguishing STHA from LTHA is unreported. The aims of this study were to (1) define performance status by serial HTT during structured natural HA, (2) evaluate surrogate markers of autonomic activation, including heart rate variability (HRV), in relation to HA status.
methodsParticipants (n = 13) were assessed by HTT (60-min block-stepping, 50% VO
resultsSignificant (P < 0.05) interactions existed for Tc, logLF:HF, cortisol and nephrines (two-way ANOVA; HTT by Day). Relative to LTHA, POST results differed significantly for Tc (Day 2, 6 and 9), HR (Day 2), logRMSSD (Day 2 and Day 6), logLF:HF (Day 2 and Day 6), cortisol (Day 2) and nephrines (Day 2 and Day 9). POST differences in HRV (Day 6 vs. 23) were + 9.9% (logRMSSD) and - 18.6% (logLF:HF).
conclusionsEarly reductions in HR and cortisol characterised STHA, whereas LTHA showed diminished excitability by Tc, HRV and nephrine measures. Measurement of HRV may have potential to aid real-time assessment of readiness for activity in the heat.
Indexed as
Identifiers
What OpenQuestion holds
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.