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Isointegral body surface maps and left ventricular hypertrophy in post-infarction heart failure patients.
MedLine Citation:
PMID:  22425804     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Aim: Ventricular remodeling causes left ventricular hypertrophy (LVH) in myocardial infarction patients. We hypothesized that LVH can be evaluated using isointegral body surface maps. Methods: Thirty-two patients with post-infarction stable chronic heart failure underwent a 64-electrode body surface mapping (isointegral QRS, QRST, ST and STT maps) and 2-D echocardiography. Results: LVH was present in 16 of them (50%) according to 2D-echocardiography. Isointegral maxima increased and the minima were more negative in patients with LVH, and the differences were statistically significant for: isointegral QRS maxima (35±16 versus 60±21 mV.ms, p=0.0085) and minima (25±15 versus 69±14 mV.ms, p=0.0067), isointegral maxima and minima in the second third of the QRS complex, isointegral QRST minima and isointegral ST minima (5±2 versus 10±4 mV.ms, p=0.0026). Isointegral multipolar maps prevalence was increased in patients with LVH (75% versus 50%). Isointegral QRS and QRST maxima correlated best with the left ventricular mass (r=0.73 and 0.81). Conclusion: Body surface mapping is a useful method for the evaluation of patients with left ventricular hypertrophy in post-infarction heart failure. The most sensitive parameters are: isointegral QRS maxima and minima, especially in the second third of the QRS complex, isointegral QRST maps (minima, maxima and multipolarity) and isointegral ST minima.
Authors:
Ioana Mozos; M Hancu; N Jost
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta physiologica Hungarica     Volume:  99     ISSN:  0231-424X     ISO Abbreviation:  Acta Physiol Hung     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309201     Medline TA:  Acta Physiol Hung     Country:  Hungary    
Other Details:
Languages:  eng     Pagination:  18-24     Citation Subset:  IM    
Affiliation:
"Victor Babes" University of Medicine and Pharmacy Department of Pathophysiology Timisoara Romania "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania Department of Pathophysiology T. Vladimirescu Str. 14 Timisoara 300173 Romania.
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