Is consuming caffeine affect the blood pressure of swimmers?

Caffeine is one of the most commonly used stimulants among athletes, which can be accompanied by increased vigilance and performance. The purpose of this research was to answer the question whether caffeine consum ption affect the blood pressure in swimmers?
Subjects & In this study, 16 young swimmers selected randomly in two groups based on age and body mass index, caffeine and placebo. Young swimmers swam an hour before the 5 mg caffeine per kg of body weight or placebo was ingested in the form of gelatin capsules. Blood pressure of subjects in three stages, before taking caffeine or placebo, one hour after use and immediately after swimming the 100m front crawl was measured. Data, using independent t-test and paired t-test, were analyzed.
The results showed that systolic and diastolic blood pressure and mean arterial blood pressure increased with caffeine intake at rest (p0/05).
According to the findings, caffeine increases blood pressure at rest and do not seem to be taking this matter before swim, considered to be a risk factor.