Why the study?
Does acute caffeine intake influence central and peripheral blood pressure in healthy adults?
Population
20 healthy young adults
Comparison
300 mg caffeine administered orally vs matching placebo
Design
RCT, randomized, double-blind
Follow-up
45 min
Authors
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Central BP rises acutely after caffeine despite stable peripheral readings; extends evidence that brachial cuff underestimates hemodynamic impact.
Does acute caffeine intake influence central and peripheral blood pressure in healthy adults?
Acute caffeine intake significantly increases central blood pressure without affecting peripheral blood pressure, suggesting standard brachial measurements may underestimate its hemodynamic effects.
W. Stephen Waring (2003) studied this question.
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