| Comparison of the Effects of Energy Drink Versus Caffeine Supplementation on Indices of 24-Hour Ambulatory Blood Pressure (February). | |
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MedLine Citation:
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PMID: 22298600 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND:Cardiovascular events associated with energy drink consumption have been reported, but few data exist to delineate the hemodynamic effects of energy drinks.OBJECTIVE:To compare the effects of an energy drink versus caffeine supplementation on blood pressure (BP) indices as measured by 24-hour ambulatory BP monitoring (ABPM).METHODS:Healthy, nonsmoking, normotensive volunteers (aged 18-45 years) taking no medications were enrolled in a single-center, open-label, 2-period crossover pilot study. During each study period, subjects received either an energy drink (Red Bull Energy Drink, each dose containing 80 mg of caffeine and 1000 mg of taurine in an 8.3-oz serving) or a control (compounded caffeine solution, each dose containing 80 mg of caffeine solution in 8 oz of bottled water) at 0800, 1100, 1500, and 1900 hours and underwent 24-hour ABPM. The study periods were separated by a washout period (4-30 days). Mean 24-hour, daytime, and nighttimesystolic (SBP), diastolic (DBP), and mean arterial (MAP) BP; BP load; and percent nocturnal dipping were compared between study periods.RESULTS:Nine subjects (5 females, mean [SD] age 27.7 [5.0] years) completed the study. Mean 24-hour SBP (123.2 vs 117.4 mm Hg, p = 0.04), DBP (73.6 vs 68.2 mmHg, p = 0.02), and MAP (90.1 vs 84.8 mm Hg, p = 0.03) were significantly higher during energy drink supplementation versus caffeine supplementation. Daytime DBP (77.0 vs 72.0 mm Hg, p = 0.04) also was significantly higher with the energy drink versus caffeine supplementation. Trends in higher daytime SBP (127.0 vs 121.9 mm Hg, p = 0.05) and MAP (93.6 vs 88.6 mm Hg, p = 0.05) were recorded with energy drink supplementation versus caffeine supplementation. Nighttime SBP and DBP oads were significantly higher with the energy drink, but nocturnal dippingdid not differ significantly between study periods.CONCLUSIONS:Single-day energy drink supplementation increased mean 24-hour and daytime BP compared to caffeine control in this pilot study. Additional research is warranted to better understand the hemodynamic effects of energy drinkconsumption. |
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Authors:
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Amy M Franks; Julia M Schmidt; Keith R McCain; Mony Fraer |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-31 |
Journal Detail:
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Title: The Annals of pharmacotherapy Volume: - ISSN: 1542-6270 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9203131 Medline TA: Ann Pharmacother Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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< College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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