Role of QT interval prolongation in the creation of spiral wave type reentry.

Abstract:

:The inducibility of reentry was compared for four QT patterns in a heart conduction simulation model. Local (L) and gradual (G) QT prolongation models are more susceptible to reentry induction than the no (N) QT prolongation model (reentry induced episodes for N, L, and G numbered 90, 120, and 122, respectively). This increased vulnerability was diminished when the QT interval was prolonged at all simulation sites (reentry induced episodes for the diffuse QT prolongation model, D model, numbered 82). Decreased QT dispersion might be important for the prevention of reentry induction regardless of whether the QT interval is increased.

journal_name

Heart Vessels

journal_title

Heart and vessels

authors

Shibata N,Watanabe H,Sakuma I,Kodama I,Niwa R,Fukui Y,Toyama J,Hosoda S

subject

Has Abstract

pub_date

1997-01-01 00:00:00

pages

228-31

eissn

0910-8327

issn

1615-2573

journal_volume

Suppl 12

pub_type

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