Document Detail


The effects of angiotensin receptor blockers vs. calcium channel blockers on the acute exercise-induced inflammatory and thrombotic response.
MedLine Citation:
PMID:  22951521     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Arterial hypertension is an established risk factor for acute coronary syndromes, and physical exertion may trigger the onset of such an event. The mechanisms involved include the rupture of a small, inflamed, coronary plaque and the activation of thrombogenic factors. Blood pressure (BP)-lowering treatment has been associated with beneficial effects on subclinical inflammation and thrombosis at rest and during exercise. This prospective study sought to compare the effect of different antihypertensive drugs on the inflammatory and thrombotic response during exercise. A total of 60 never-treated hypertensive patients were randomized to an angiotensin receptor blocker (ARB)- or non-dihydropyridine calcium channel blocker (CCB)-based regimen. Patients with inflammatory or coronary artery disease were excluded. Six months after pharmaceutical BP normalization, the patients underwent a maximal treadmill exercise testing. High-sensitivity C-reactive protein (hsCRP), serum amyloid A (SAA), white blood cells (WBC), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), total fibrinogen (TF) and von Willebrand factor (vWF) levels, as well as plasminogen activator inhibitor-1 (PAI-1) activity were measured in blood samples taken while the patients were at rest and during peak exercise. All of these biomarkers increased with exercise, except PAI-1, which decreased (P<0.05 for the difference between resting and peak exercise for all biomarkers). The ARB group had less marked (P<0.05) exercise-induced changes than the CCB group in hsCRP (5.8% vs. 7.7%), SAA (4.2% vs. 7.2%), WBC (46.8% vs. 52.6%), TNF-α (16.3% vs. 24.3%), TF (9.5% vs. 16.9%) and PAI-1 (-9.5% vs. -12.3%) but a similar (P=NS) change in IL-6 (39.4% vs. 38.6%) and vWF (29.2% vs. 28.6%). In conclusion, ARBs are most likely more effective than CCBs at suppressing the exercise-induced acute phase response. Potential protection against exercise-related coronary events remains to be elucidated.Hypertension Research advance online publication, 6 September 2012; doi:10.1038/hr.2012.134.
Authors:
Charalampos I Liakos; Gregory P Vyssoulis; Andreas P Michaelides; Evangelos I Chatzistamatiou; George Theodosiades; Marina G Toutouza; Maria I Markou; Andreas G Synetos; Ioannis E Kallikazaros; Christodoulos I Stefanadis
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-06
Journal Detail:
Title:  Hypertension research : official journal of the Japanese Society of Hypertension     Volume:  -     ISSN:  1348-4214     ISO Abbreviation:  Hypertens. Res.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9307690     Medline TA:  Hypertens Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1st Department of Cardiology, University of Athens Medical School, Hippokration Hospital, Athens, Greece.
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