Effect of aerobic exercise training on blood pressure sensitivity to dietary sodium in older hypertensives

Although aerobic exercise training has been shown to lower blood pressure (BP) in older adults, its effect on BP sensitivity to dietary sodium (Na + ) is unknown. Therefore, the present study was undertaken to examine the effect of aerobic exercise training on BP sensitivity to dietary Na + in older...

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Veröffentlicht in:	Journal of human hypertension 2006-05, Vol.20 (5), p.372-378
Hauptverfasser:	Dengel, D R, Brown, M D, Reynolds, T H, Kuskowski, M A, Supiano, M A
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerobic capacity Aerobic exercises Aerobics Aging - physiology Analysis of Variance Antihypertensive agents Arterial hypertension. Arterial hypotension Biological and medical sciences Blood and lymphatic vessels Blood pressure Body Composition Cardiology. Vascular system Cardiovascular system Care and treatment Clinical manifestations. Epidemiology. Investigative techniques. Etiology Diagnosis Diet Epidemiology Exercise Exercise - physiology Female Fitness training programs Health Administration Health aspects Humans Hypertension Hypertension - physiopathology Male Medical sciences Medicine Medicine & Public Health Middle Aged original-article Oxygen - metabolism Pharmacology. Drug treatments Physical activity Physical fitness Physical training Physiological aspects Public Health Sodium compounds Sodium, Dietary - blood Sodium, Dietary - urine
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Zusammenfassung:	Although aerobic exercise training has been shown to lower blood pressure (BP) in older adults, its effect on BP sensitivity to dietary sodium (Na + ) is unknown. Therefore, the present study was undertaken to examine the effect of aerobic exercise training on BP sensitivity to dietary Na + in older hypertensive individuals. Blood pressure was measured after 8 days of low (20?mEq) and high (200?mEq) Na + diets in 31 older (63±7 years, mean±standard deviation), hypertensive (152±11/88±5?mm Hg) individuals at baseline and following 6 months of aerobic exercise training (at 75% V O 2 max, 3 times/week, 40?min/session). Subjects were grouped on the basis of the difference in mean arterial BP (MAP) between diets (Na + sensitive: ⩾5?mm Hg increase in MAP on high Na + , n =20; Na + resistant:
ISSN:	0950-9240 1476-5527
DOI:	10.1038/sj.jhh.1001989