![]() ![]() ![]() Right ventricular fractional area change (RVFAC) increased by 2% (p=0.09), tricuspid annular plane systolic excursion (TAPSE) increased by 15% (p<0.0001), and global and free wall right ventricular longitudinal strain (RVLS), (a measurement of longitudinal strain of the right ventricle), increased by 8% (p=0.001) and 5% (p=0.1) respectively.įigure 1: Relative changes from baseline in heart rate, blood pressure and left and right ventricular parameters 1 hour after energy drink consumption Right ventricular function was also improved one hour after consuming energy drinks. Ejection fraction increased by 5% (p=0.01), mitral annular plane systolic excursion (MAPSE) (which evaluates longitudinal ventricular function) increased by 11% (p<0.001), global longitudinal strain increased by 10% (p=0.004), and torsion (left ventricular twisting) increased by 22% (p<0.0001). Left ventricular function improved in comparison to baseline. Dr Cameli said: “This confirms that a standard energy drink consumption induces a light increase in diastolic blood pressure.” Heart rate increased by 1.2% (p=ns ), systolic blood pressure increased by 2.6% (p=ns) and diastolic blood pressure increased by 6% (p=0.02). In the current study the researchers used speckle-tracking echocardiography, the avant-garde technique in echocardiography, and echo Doppler analysis to explore the influence of energy drinks on heart function.įor the study 35 healthy subjects (mean age 25 years), drank a body surface area indexed amount of an energy drink (168 ml/m2) containing caffeine and taurine.Īssessments of heart rate, blood pressure, left ventricular function and right ventricular function were undertaken at baseline and one hour after consumption.įigure 1 shows the relative changes from baseline in heart rate, blood pressure and left and right ventricular parameters one hour after consuming the energy drink. While caffeine increases blood pressure, studies suggest that taurine may stimulate the release of calcium from the sarcoplasmic reticulum.” “With energy drinks containing both caffeine and taurine concerns have been raised of adverse effects on the heart. In recent years the energy drink market has exploded, with more people than ever before turning to these products as quick ‘pick me ups’, whether to stay awake during all night study vigils or gain the edge in sport,” said Dr Cameli. ![]()
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