Blood Pressure Response and Pulse Arrival Time During Exercise Testing in Well-Trained Individuals
Sondre Heimark1,2, Ingrid Eitzen3, Isabella Vianello3,4
1Department of Nephrology, Oslo University Hospital, Oslo, Norway.
Frontiers in Physiology
|July 28, 2022
Summary
Well-trained cyclists exhibit an exaggerated systolic blood pressure response (BPR) during exercise. Pulse arrival time (PAT) shows potential as a continuous, non-invasive surrogate for systolic blood pressure (SBP) monitoring in this population.
Area of Science:
- Exercise Physiology
- Cardiovascular Physiology
- Sports Medicine
Background:
- Limited data exists on blood pressure response (BPR) in well-trained individuals during exercise.
- Continuous bio-signal monitoring is emerging as an alternative to intermittent cuff-based blood pressure (BP) measurements.
- Systolic blood pressure (SBP) assessment during exercise is crucial for evaluating cardiovascular health.
Purpose of the Study:
- To assess the BPR in well-trained individuals during a cycle ergometer test.
- To specifically examine the systolic blood pressure (SBP) response.
- To investigate pulse arrival time (PAT) as a continuous surrogate for SBP during exercise.
Main Methods:
- Eighteen well-trained male cyclists performed stepwise and continuous incremental cycle ergometer tests.
- Blood pressure (BP) was measured using a standard automated cuff.
- Pulse arrival time (PAT) was continuously measured using a non-invasive device (IsenseU).
Main Results:
- Systolic blood pressure (SBP) increased from resting values (136 ± 9 mmHg) to maximal values of 219 ± 21 mmHg at lactate threshold and 231 ± 18 mmHg at maximal intensity.
- A strong intra-individual association was found between pulse arrival time (PAT) and SBP (mean r² = 0.81 ± 0.17).
Conclusions:
- The study observed a more exaggerated systolic blood pressure response (BPR) in well-trained individuals compared to previous research.
- Further research is needed to clarify the clinical implications of this exaggerated BPR.
- Pulse arrival time (PAT) demonstrates potential as a reliable surrogate for continuous SBP monitoring during exercise in well-trained athletes.
Keywords:
blood pressure responsecontinuous cuff-less measurement methoddiastolic blood pressure (DBP)endurance athletespulse arrival time (PAT)systolic blood pressure (SBP)More Related Videos
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