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dc.contributor.authorKyriakides, Z. S.en
dc.contributor.authorManolis, A. G.en
dc.contributor.authorKolettis, T. M.en
dc.date.accessioned2015-11-24T19:41:36Z-
dc.date.available2015-11-24T19:41:36Z-
dc.identifier.issn1874-1754-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/24507-
dc.rightsDefault Licence-
dc.subjectAnimalsen
dc.subjectCoronary Circulation/*physiologyen
dc.subjectHeart/*physiopathologyen
dc.subjectHeart Conduction System/*physiopathologyen
dc.subjectHeart Failure/*physiopathologyen
dc.subjectHeart Ventricles/physiopathologyen
dc.subjectHumansen
dc.subjectMyocardial Contraction/*physiologyen
dc.subjectVentricular Function, Left/physiologyen
dc.titleThe effects of ventricular asynchrony on myocardial perfusionen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1016/j.ijcard.2006.03.091-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/17056140-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0167527306009880/1-s2.0-S0167527306009880-main.pdf?_tid=0327e0a8425e45d1b44b916801bb3211&acdnat=1333699575_af9f5636a3aa50dd787d27c620bb7553-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2007-
heal.abstractAsynchronous depolarization and contraction sequence, secondary to intraventricular conduction defects or to permanent right ventricular apical pacing, is associated with adverse effects that may be clinically evident in the failing heart. Experimental and clinical studies have suggested that asynchronous ventricular contraction deteriorates left ventricular performance and induces unfavourable left ventricular remodelling. Although such contraction does not appear to affect resting coronary artery blood flow, it increases endomyocardial pressure during diastole and decreases regional myocardial perfusion in the interventricular septum. The magnitude of these effects may correlate with the duration of the asynchrony. Despite these detrimental effects, there is no evidence that ventricular asynchrony reduces collateral myocardial blood flow, myocardial oxygen consumption or cardiac efficiency, neither in patients with normal coronary arteries, nor in patients with coronary artery disease. Furthermore, in patients with acute ischaemic syndromes, ventricular asynchrony exerts a neutral effect on the ischaemic myocardium. Cardiac resynchronization therapy improves left ventricular systolic and diastolic function without an increase in myocardial oxygen consumption or energy cost. This therapy may decrease the inhomogeneity in regional oxidative metabolism, myocardial perfusion and cardiac efficiency. Further experimental and clinical studies are needed on this area.en
heal.journalNameInt J Cardiolen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ

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