Document Detail


Myocardial strain characterization in different left ventricular adaptative responses to high blood pressure: a study based on 3D-wall motion tracking analysis.
MedLine Citation:
PMID:  20584068     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: High blood pressure increases left ventricular (LV) after-load. Furthermore, LV response to that high blood pressure varies among different subjects. Nevertheless, myocardial deformation behavior in these different adaptative responses has not been analyzed until now.
METHODS: Prospective study in which 66 consecutive hypertensive patients were enrolled in between May and August 2009. Every patient underwent a standard echocardiographic study and a three-dimensional-wall motion tracking (3D-WMT) study. The patients were classified according to parameters derived from echocardiography in four different groups: normal geometry, concentric remodelling, concentric hypertrophy, and eccentric hypertrophy.
RESULTS: Mean age was 68 years (57-74.25; 51.5% male). Comparing the four groups, significant differences were found for the five 3D-WMT-derived parameters. When patients were compared with hypertensive patients with normal geometry, our finding show that: (a) LV average torsion is the only impaired parameter that is found in the LV concentric remodelling group (P < 0.05 vs. group 1); (b) there is a trend for an increase (P = 0.055) in LV average radial strain in the group with concentric hypertrophy and this increase is accompanied by a significant decrease in the remaining studied parameters (P < 0.05); and (c) in the LV eccentric hypertrophy group, there is a significant impairment in all the studied parameters (P < 0.05).
CONCLUSIONS: LV adaptative response to hypertension is accompanied by a modification or even impairment, in LV myocardial deformation evaluated by 3D-WMT. This assessment might be useful to detect early and subtle deformation impairments in hypertensive patients and it could help optimize their clinical management.
Authors:
Adriana Saltijeral; Leopoldo Perez de Isla; Kenia Veras; Maria de Jesus Fernandez; Willem Gorissen; Juan Rementeria; Carlos Almeria; Jose Luis Rodrigo; Covadonga Fernandez-Golfin; Pedro Marcos-Alberca; Carlos Macaya; Jose Zamorano
Related Documents :
6686768 - The beneficial effect of nicardipine on the healing of myocardial infarcts in dogs.
10368118 - Endomyocardial nitric oxide synthase and left ventricular preload reserve in dilated ca...
18095148 - Correction of anemia with erythropoietin in chronic kidney disease (stage 3 or 4): effe...
17896398 - Effects of left ventricular unloading by impella recover lp2.5 on coronary hemodynamics.
1381018 - Comparison of the effect of celiprolol and nifedipine on blood pressure and plasma lipids.
25425058 - Effects of lercanidipine versus amlodipine in hypertensive patients with cerebral ische...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  27     ISSN:  1540-8175     ISO Abbreviation:  Echocardiography     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1238-46     Citation Subset:  IM    
Copyright Information:
© 2010, Wiley Periodicals, Inc.
Affiliation:
Cardiology Department, Hospital Clínico San Carlos, Madrid, Spain.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

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


Previous Document:  Assessment of left ventricular volumes and function by real time three-dimensional echocardiography ...
Next Document:  Echocardiographic determinants of the clinical condition in patients with a systemic right ventricle...