Document Detail


Ambulatory blood pressure and heart rate responses to vegetarian meals.
MedLine Citation:
PMID:  8387085     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: To determine the effects of a vegetarian diet on daytime ambulatory (Accutracker) blood pressures and heart rates, and to relate these to the estimated peak in plasma glucose to determine whether low-glycaemic-index diets reduce sympathetic activity in response to differences in postprandial glucose and insulin. DESIGN: The subjects were matched for age and body mass index and randomly assigned to one of two parallel diet groups. SETTING: Clinical. PARTICIPANTS: Twenty-one normotensive non-vegetarian male hospital workers volunteered for the study and 20 completed it. INTERVENTION: After 2 weeks of baseline measurement the subjects followed an omnivorous or a lacto-ovovegetarian diet for 6 weeks. MAIN OUTCOME MEASURES: Daytime ambulatory blood pressures and heart rate, and postbreakfast catecholamines, insulin and glucose. RESULTS: Ambulatory systolic blood pressure and heart rates were lower in the vegetarian group during the working day. The preprandial rise in diastolic pressure was attenuated on the vegetarian diet. There were no differences in plasma catecholamine, glucose or insulin levels sampled after breakfast on the two dietary regimes. CONCLUSIONS: The blood pressure-lowering effect of a lacto-ovovegetarian diet, which occurs throughout the working day, is associated with lower heart rates, suggesting a central nervous or cardiac mechanism. The possibility that the lower glycaemic index of a lacto-ovovegetarian diet has some effect needs to be investigated further in relation to major meal-times and studied in both normotensive and hypertensive subjects.
Authors:
S E Sciarrone; M T Strahan; L J Beilin; V Burke; P Rogers; I R Rouse
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hypertension     Volume:  11     ISSN:  0263-6352     ISO Abbreviation:  J. Hypertens.     Publication Date:  1993 Mar 
Date Detail:
Created Date:  1993-05-28     Completed Date:  1993-05-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  277-85     Citation Subset:  IM    
Affiliation:
Department of Medicine, University of Western Australia, Royal Perth Hospital.
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MeSH Terms
Descriptor/Qualifier:
Adult
Blood Glucose / analysis
Blood Pressure / physiology*
Blood Pressure Monitors
Cheese
Diet, Vegetarian*
Eggs
Heart Rate / physiology*
Humans
Insulin / blood
Male
Norepinephrine / blood
Sympathetic Nervous System / physiology
Chemical
Reg. No./Substance:
0/Blood Glucose; 11061-68-0/Insulin; 51-41-2/Norepinephrine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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