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  • Author: Gudrun Lamm x
  • Athletic Training, Therapy, and Rehabilitation x
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Johann Auer, Robert Berent, Markus Prenninger, Thomas Weber, Klaus Kritzinger, Martin Veits, Gudrun Lamm, Elisabeth Lassnig and Bernd Eber

Context:

Effects of a single bout of exercise at moderate altitude on blood pressure (BP) are largely unknown.

Objective:

To evaluate the effect of a single exercise bout at moderate altitude on BP.

Design:

Prospective, observational.

Setting:

Field study, Alpine mountains.

Participants:

127 men, 71 women (138 normotensive, 60 hypertensive).

Intervention:

Exercise duration: 2.5 ± 0.4 h; 650-m difference in altitude.

Main Outcome Measures:

BP and heart rate (HR).

Results:

Hypertensives had (1) higher systolic BP (SBP) and diastolic BP (DBP) before exercise (P < .01), whereas this difference was lost during exercise; (2) increased HR during the entire duration of exercise; and (3) significantly decreased SBP and DBP (P < .05) throughout the entire period of exercise.

Conclusions:

Exposure to a single exercise bout at moderate altitude is associated with a transient decrease in SBP and DBP, which is more pronounced in hypertensives.