http://www.cnr.it/ontology/cnr/individuo/prodotto/ID179343
Different substrates of non-sustained ventricular tachycardia in post-infarction patients with and without left ventricular dilatation (Articolo in rivista)
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- Different substrates of non-sustained ventricular tachycardia in post-infarction patients with and without left ventricular dilatation (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.cardfail.2009.09.001 (literal)
- Alternative label
Gianluca Di Bella; Claudio Passino; Giovanni Donato Aquaro; Daniele Rovai; Elisabetta Strata; Francesco Arrigo; Michele Emdin; Massimo Lombardi; Alessandro Pingitore. (2010)
Different substrates of non-sustained ventricular tachycardia in post-infarction patients with and without left ventricular dilatation
in Journal of cardiac failure (Print); Elsevier, Amsterdam (Paesi Bassi)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gianluca Di Bella; Claudio Passino; Giovanni Donato Aquaro; Daniele Rovai; Elisabetta Strata; Francesco Arrigo; Michele Emdin; Massimo Lombardi; Alessandro Pingitore. (literal)
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- http://www.sciencedirect.com/science/article/pii/S1071916409010446 (literal)
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- ISI Web of Science (WOS) (literal)
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- Istituto di Fisiologia Clinica, CNR (literal)
- Titolo
- Different substrates of non-sustained ventricular tachycardia in post-infarction patients with and without left ventricular dilatation (literal)
- Abstract
- BACKGROUND: We investigated the relationship between nonsustained ventricular tachycardia (NSVT) and left ventricular (LV) dilatation, function, remodeling, and scar tissue extent in patients with previous myocardial infarction (MI).
METHODS AND RESULTS: Eighty-two patients (ages 64+/-10 years) with first previous MI were referred for 24-hour electrocardiogram recording and cine and delayed enhancement (DE) cardiac magnetic resonance (CMR). LV volumes, ejection fraction, systolic wall thickening, sphericity index, and core and peri-infarctual areas of scar tissue by CMR were evaluated. LV dilatation was observed in 39 patients. Episodes of NSVT were recorded in 32 patients: 23 with LV dilatation and 9 without. In the entire population, NSVT was related to ejection fraction, LV volumes, LV mass, and sphericity index; end-systolic volume (P=.001) resulted in the only independent predictor at multivariate analysis. In patients without LV dilatation, the occurrence of NSVT was only positively related with percentage of contracting segments with DE (P=.008). Conversely, in patients with LV dilatation, increase in LV mass (P=.020) and end-systolic volume (P=.038) were independent predictors of NSVT.
CONCLUSIONS: Necrotic and viable myocardium coexistence within the same wall segments predicted occurrence of NSVT in patients without LV dilatation, whereas LV mass and end-systolic volume were predictors of NSVT in those with LV dilatation. (literal)
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