Document Detail


Evaluation of the antihypertensive effect of L-arginine supplementation in patients with mild hypertension assessed with ambulatory blood pressure monitoring.
MedLine Citation:
PMID:  20424555     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Arterial hypertension is one of the most important cardiovascular risk factors, featuring the unsatisfactory efficacy of current therapies. The cardiovascular disease paradigm which assumes a crucial role of the endothelial phenotype in shaping the state of the circulatory system has become increasingly dominant and endothelial dysfunction should be treated as avidly as the diseases of other organs. The most valued current anti-hypertensive therapies exert a positive influence on the endothelium due to their pleiotropic effects, but the search for new effective strategies aimed at improving endothelial function is underway. L-arginine trials are part of this quest. The few L-arginine studies in hypertension have brought inconclusive results. The aim of this study was to evaluate the anti-hypertensive efficacy and safety profile of L- arginine during four weeks of oral supplementation to healthy subjects and patients diagnosed with primary mild hypertension.
MATERIAL/METHODS: The study was completed by 54 participants. Ambulatory blood pressure monitoring (ABPM) was used to allot patients to either a healthy control group (19 subjects) or the hypertensive treatment group (35 patients). Later the patients were randomized to either L-arginine (2 or 4 g three times daily or placebo. All participants underwent physical examination and had all basic lab tests and ABPM performed.
RESULTS: Blood pressure (both systolic and diastolic) by ABPM showed statistically significant lowering after 4 weeks of L-arginine supplementation only in the subgroup of patients treated with 12 g of L-arginine daily, with a stronger hypotensive effect observed during the day.
CONCLUSIONS: The present findings demonstrate a strong association between L-arginine supplementation and blood pressure reduction.
Authors:
Jarosław Ast; Anna Jablecka; Pawel Bogdanski; Iwona Smolarek; Hanna Krauss; Ewa Chmara
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Medical science monitor : international medical journal of experimental and clinical research     Volume:  16     ISSN:  1643-3750     ISO Abbreviation:  Med. Sci. Monit.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-28     Completed Date:  2010-08-05     Revised Date:  2011-06-14    
Medline Journal Info:
Nlm Unique ID:  9609063     Medline TA:  Med Sci Monit     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  CR266-71     Citation Subset:  IM    
Affiliation:
Department of Clinical Pharmacology, Karol Marcinkowski University of Medical Science, Poznan, Poland.
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MeSH Terms
Descriptor/Qualifier:
Antihypertensive Agents / therapeutic use*
Arginine / therapeutic use*
Blood Pressure Monitoring, Ambulatory*
Case-Control Studies
Double-Blind Method
Female
Humans
Hypertension / drug therapy*,  physiopathology
Male
Prospective Studies
Chemical
Reg. No./Substance:
0/Antihypertensive Agents; 74-79-3/Arginine

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


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