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Titolo:
Caffeine, extended stress, and blood pressure in borderline hypertensive men
Autore:
Lovallo, WR; alAbsi, M; Pincomb, GA; Passey, RB; Sung, BH; Wilson, MF;
Indirizzi:
Vet Affairs Med Ctr, Behav Sci Labs 151A, Oklahoma City, OK 73104 USA Vet Affairs Med Ctr Oklahoma City OK USA 73104 klahoma City, OK 73104 USA Univ Oklahoma, Hlth Sci Ctr, Dept Psychiat & Behav Sci, Oklahoma City, OK 73190 USA Univ Oklahoma Oklahoma City OK USA 73190 Sci, Oklahoma City, OK 73190 USA Univ Minnesota, Med Ctr, Dept Behav Sci, Duluth, MN 55812 USA Univ Minnesota Duluth MN USA 55812 , Dept Behav Sci, Duluth, MN 55812 USA Univ Oklahoma, Hlth Sci Ctr, Dept Pathol, Oklahoma City, OK USA Univ Oklahoma Oklahoma City OK USA r, Dept Pathol, Oklahoma City, OK USA SUNY Buffalo, Dept Med, Buffalo, NY 14260 USA SUNY Buffalo Buffalo NY USA14260 uffalo, Dept Med, Buffalo, NY 14260 USA Kalerda Hlth Millard Fillmore Hosp, Buffalo, NY USA Kalerda Hlth Millard Fillmore Hosp Buffalo NY USA Hosp, Buffalo, NY USA
Titolo Testata:
INTERNATIONAL JOURNAL OF BEHAVIORAL MEDICINE
fascicolo: 2, volume: 7, anno: 2000,
pagine: 183 - 188
SICI:
1070-5503(2000)7:2<183:CESABP>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Keywords:
caffeine; blood pressure; stress; hypertension;
Tipo documento:
Editorial Material
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Lovallo, WR Vet Affairs Med Ctr, Behav Sci Labs 151A, 921 NE 13th St, Oklahoma City, OK 73104 USA Vet Affairs Med Ctr 921 NE 13th St Oklahoma City OKUSA 73104
Citazione:
W.R. Lovallo et al., "Caffeine, extended stress, and blood pressure in borderline hypertensive men", INT J BEH M, 7(2), 2000, pp. 183-188

Abstract

Caffeine increases blood pressure (BP), and its presser effects are largerin borderline hypertensive (BH) men than in controls. This article extendsfindings of larger caffeine effects on BP at rest and to brief mental stress in BH to a new analysis of caffeine and prolonged mental stress in BH. In a double-blind, crossover study, 24 male BH (140/90 mmHg < BP < 160/95 mmHg) and 23 normotensive controls who were habitual caffeine consumers (NT; BP < 135/85 mmHg; negative parental history) worked on alternating mental stressors for 35 min after placebo or caffeine (3.3 mg/kg). Caffeine raised systolic blood pressure (SBP) and diastolic blood pressure (DBP) alone and during the extended tasks (all ps < .00001/.00001). BH had larger SEP and DBP increases over all postcaffeine periods (ps < .04/04) and larger DBP rises to the extended tasks after caffeine (p = .007). These combined effects led to undesirably high BPs (> 140/82 mmHg) relative to controls (< 130/75)during the 100 min after caffeine intake. Caffeine taken by BH at times ofextended behavioral stress may elevate BP to a clinically meaningful degree.

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Documento generato il 23/10/20 alle ore 12:09:32